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This is a list of important publications in
geology Geology () is a branch of natural science concerned with Earth and other astronomical objects, the features or rocks of which it is composed, and the processes by which they change over time. Modern geology significantly overlaps all other Ear ...
, organized by field. Some reasons why a particular publication might be regarded as important: *Topic creator – A publication that created a new topic *Breakthrough – A publication that changed scientific knowledge significantly *Influence – A publication which has significantly influenced the world or has had a massive impact on the teaching of geology. Compilations of important publications can be found in
Further reading Further or Furthur may refer to: * ''Furthur'' (bus), the Merry Pranksters' psychedelic bus *Further (band), a 1990s American indie rock band *Furthur (band), a band formed in 2009 by Bob Weir and Phil Lesh * ''Further'' (The Chemical Brothers alb ...
.


Foundations

* ::Established the following stratigraphical principles:
law of superposition The law of superposition is an axiom that forms one of the bases of the sciences of geology, archaeology, and other fields pertaining to geological stratigraphy. In its plainest form, it states that in undeformed stratigraphic sequences, the ...
,
principle of original horizontality The principle of original horizontality states that layers of sediment are originally deposited horizontally under the action of gravity. It is a relative dating technique. The principle is important to the analysis of folded and tilted strata. ...
,
principle of lateral continuity The principle of lateral continuity states that layers of sediment initially extend laterally in all directions; in other words, they are laterally continuous. As a result, rocks that are otherwise similar, but are now separated by a valley or oth ...
and the
principle of cross-cutting relationships Cross-cutting relationships is a principle of geology that states that the geologic feature which cuts another is the younger of the two features. It is a relative dating technique in geology. It was first developed by Danish geological pioneer ...
* ::First publication to clearly articulate the principle of
deep time Deep time is a term introduced and applied by John McPhee to the concept of geologic time in his book ''Basin and Range'' (1981), parts of which originally appeared in the ''New Yorker'' magazine. The philosophical concept of geological time w ...
, and to recognize that rocks record the evidence of the past action of processes which still operate today. These ideas were to grow into the idea of
uniformitarianism Uniformitarianism, also known as the Doctrine of Uniformity or the Uniformitarian Principle, is the assumption that the same natural laws and processes that operate in our present-day scientific observations have always operated in the universe in ...
. Hutton is widely regarded as the "Father of Modern Geology". * ::Hutton's book is widely regarded as unreadable, and may have remained obscure if not for this work by the brilliant prose stylist John Playfair. * ** ** ** ::The work's subtitle was "An Attempt to Explain the Former Changes of the Earth's Surface by Reference to Causes now in Operation", and this explains Lyell's impact on science: he was, along with the earlier
John Playfair John Playfair FRSE, FRS (10 March 1748 – 20 July 1819) was a Church of Scotland minister, remembered as a scientist and mathematician, and a professor of natural philosophy at the University of Edinburgh. He is best known for his book ''Illu ...
, a major advocate of the then-controversial idea of
uniformitarianism Uniformitarianism, also known as the Doctrine of Uniformity or the Uniformitarian Principle, is the assumption that the same natural laws and processes that operate in our present-day scientific observations have always operated in the universe in ...
; that is, that the Earth was shaped entirely by slow-moving forces acting over a very long period of time. This was in contrast to the antiquated geologic idea of
catastrophism In geology, catastrophism theorises that the Earth has largely been shaped by sudden, short-lived, violent events, possibly worldwide in scope. This contrasts with uniformitarianism (sometimes called gradualism), according to which slow increment ...
, which went hand-in-hand with the
age of the Earth The age of Earth is estimated to be 4.54 ± 0.05 billion years This age may represent the age of Earth's accretion, or core formation, or of the material from which Earth formed. This dating is based on evidence from radiometric age-dating of ...
suggested by
biblical The Bible (from Koine Greek , , 'the books') is a collection of religious texts or scriptures that are held to be sacred in Christianity, Judaism, Samaritanism, and many other religions. The Bible is an anthologya compilation of texts of a ...
chronology. In various revised editions (twelve in all, through 1872), ''
Principles of Geology ''Principles of Geology: Being an Attempt to Explain the Former Changes of the Earth's Surface, by Reference to Causes Now in Operation'' is a book by the Scottish geologist Charles Lyell that was first published in 3 volumes from 1830–1833. Ly ...
'' was the most influential geological work in the middle of the 19th century, and did much to put geology on a modern footing.
Charles Darwin Charles Robert Darwin ( ; 12 February 1809 – 19 April 1882) was an English naturalist, geologist, and biologist, widely known for his contributions to evolutionary biology. His proposition that all species of life have descended fr ...
frequently acknowledged his deep debt to this book.


Economic geology

* Lindgren, W. (1933) Mineral Deposits. 930 pp. McGraw-Hill, New York. * ::Descriptions of major ore deposits in USA. Updates the earlier Lindgren volume. A basic reference work for economic geologists *Pohl, W.L., 2011. Economic Geology, Principles and Practice: Metals, Minerals, Coal and Hydrocarbons – an Introduction to Formation and Sustainable Exploitation of Mineral Deposits. 663 Pages, Wiley-Blackwell, Oxford.


Geochemistry

* ::Laid the foundations of
geochemistry Geochemistry is the science that uses the tools and principles of chemistry to explain the mechanisms behind major geological systems such as the Earth's crust and its oceans. The realm of geochemistry extends beyond the Earth, encompassing the e ...
, including the
Goldschmidt classification The Goldschmidt classification, developed by Victor Goldschmidt (1888–1947), is a geochemical classification which groups the chemical elements within the Earth according to their preferred host phases into lithophile (rock-loving), siderophile ...
elements. * ::A highly cited guide to the use of isotope geochemistry in solving geological problems, and the methods involved. Has been cited more than 3200 times. A second edition was published in 1986. A third edition, with Teresa M. Mensing, was published in 2005, under the title ''Isotopes: Principles and Applications''.


Geochronology

* ::The speech recorded by this volume of Transactions represents the final version of the theory of the
age of the Earth The age of Earth is estimated to be 4.54 ± 0.05 billion years This age may represent the age of Earth's accretion, or core formation, or of the material from which Earth formed. This dating is based on evidence from radiometric age-dating of ...
which Thomson had been refining since 1862. In it, he proposed that the age of the Earth was "more than 20 and less than 40 million year old, and probably much nearer 20 than 40". His analysis was based on the time it would take the Earth to cool from a completely molten state, and his estimate was consistent with a number of other physical estimates from, amongst others,
George Darwin Sir George Howard Darwin, (9 July 1845 – 7 December 1912) was an English barrister and astronomer, the second son and fifth child of Charles Darwin and Emma Darwin. Biography George H. Darwin was born at Down House, Kent, the fifth chil ...
,
Hermann von Helmholtz Hermann Ludwig Ferdinand von Helmholtz (31 August 1821 – 8 September 1894) was a German physicist and physician who made significant contributions in several scientific fields, particularly hydrodynamic stability. The Helmholtz Association, ...
, and
Simon Newcomb Simon Newcomb (March 12, 1835 – July 11, 1909) was a Canadian–American astronomer, applied mathematician, and autodidactic polymath. He served as Professor of Mathematics in the United States Navy and at Johns Hopkins University. Born in Nov ...
. This strikingly young age put Thomson in direct conflict with both
Uniformitarian Uniformitarianism, also known as the Doctrine of Uniformity or the Uniformitarian Principle, is the assumption that the same natural laws and processes that operate in our present-day scientific observations have always operated in the universe in ...
geologists and
evolutionary biologists Evolutionary biology is the subfield of biology that studies the evolution, evolutionary processes (natural selection, common descent, speciation) that produced the Biodiversity, diversity of life on Earth. It is also defined as the study of ...
, both of whose theories required much longer spans of time to take effect. This paradox of the age of the Earth was resolved only by fuller understanding of the roles of
convection Convection is single or multiphase fluid flow that occurs spontaneously due to the combined effects of material property heterogeneity and body forces on a fluid, most commonly density and gravity (see buoyancy). When the cause of the convec ...
and radioactivity in the planet's interior in the early 20th century, and it required understanding of
thermonuclear fusion Thermonuclear fusion is the process of atomic nuclei combining or “fusing” using high temperatures to drive them close enough together for this to become possible. There are two forms of thermonuclear fusion: ''uncontrolled'', in which the re ...
in the Sun developed only in the 1930s to fully explain the stability of the whole solar system over multi-billion year timescales. * ::With this work based on his thesis Holmes describes the first accurate uranium–lead
radiometric dating Radiometric dating, radioactive dating or radioisotope dating is a technique which is used to date materials such as rocks or carbon, in which trace radioactive impurities were selectively incorporated when they were formed. The method compares t ...
(specifically designed to measure the age of a rock), assigning an age of 370  Ma to a
Devonian The Devonian ( ) is a geologic period and system of the Paleozoic era, spanning 60.3 million years from the end of the Silurian, million years ago (Mya), to the beginning of the Carboniferous, Mya. It is named after Devon, England, whe ...
rock from
Norway Norway, officially the Kingdom of Norway, is a Nordic country in Northern Europe, the mainland territory of which comprises the western and northernmost portion of the Scandinavian Peninsula. The remote Arctic island of Jan Mayen and t ...
, improving on the work of Boltwood who published nothing more on the subject. * De Geer, G. (1912). A geochronology of the last 12,000 years. ''Congr. Géol. Int. Stockholm 1910, C.R.'', 241–253. ::In the 1910 International Geological Congress held in Stockholm Gerard De Geer presented to international community his research on
glacial lake A glacial lake is a body of water with origins from glacier activity. They are formed when a glacier erodes the land and then melts, filling the depression created by the glacier. Formation Near the end of the last glacial period, roughly 10,0 ...
varve A varve is an annual layer of sediment or sedimentary rock. The word 'varve' derives from the Swedish word ''varv'' whose meanings and connotations include 'revolution', 'in layers', and 'circle'. The term first appeared as ''Hvarfig lera'' (var ...
s showing that they represented annual layers and were useful in the study of
deglaciation Deglaciation is the transition from full glacial conditions during ice ages, to warm interglacials, characterized by global warming and sea level rise due to change in continental ice volume. Thus, it refers to the retreat of a glacier, an ice shee ...
.


Geomorphology

* ::In 1837, Agassiz was the first to scientifically propose that the Earth had been subject to a past ice age.E.P. Evans:
The Authorship of the Glacial Theory
", ''North American review'' Volume 145, Issue 368, July 1887. Accessed on February 25, 2008.
This book lays out his theories in print. It represents his theories that vast areas of northern Europe had in the past been covered in ice, extending down to the Caspian and Mediterranean seas. The book represents the birth of the fields of
glaciology Glaciology (; ) is the scientific study of glaciers, or more generally ice and natural phenomena that involve ice. Glaciology is an interdisciplinary Earth science that integrates geophysics, geology, physical geography, geomorphology, climato ...
and glacial
geomorphology Geomorphology (from Ancient Greek: , ', "earth"; , ', "form"; and , ', "study") is the scientific study of the origin and evolution of topographic and bathymetric features created by physical, chemical or biological processes operating at or n ...
. * ::G. K. Gilbert lays the groundwork for many ideas in modern geomorphology, such as the diffusive profiles of hillslopes and the formation of
pediment Pediments are gables, usually of a triangular shape. Pediments are placed above the horizontal structure of the lintel, or entablature, if supported by columns. Pediments can contain an overdoor and are usually topped by hood moulds. A pedimen ...
s. In addition to its geomorphic significance, it is a description of the last major mountain range to be mapped by Europeans in the contiguous United States. (the
Henry Mountains The Henry Mountains is a mountain range located in the southeastern portion of the U.S. state of Utah that runs in a generally north-south direction, extending over a distance of about . They were named by Almon Thompson in honor of Joseph Henry ...
being located in a remote part of
Utah Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to it ...
) and a description of its formation as a
laccolith A laccolith is a body of intrusive rock with a dome-shaped upper surface and a level base, fed by a conduit from below. A laccolith forms when magma (molten rock) rising through the Earth's crust begins to spread out horizontally, prying ap ...
. * ::Founding work on
karst Karst is a topography formed from the dissolution of soluble rocks such as limestone, dolomite, and gypsum. It is characterized by underground drainage systems with sinkholes and caves. It has also been documented for more weathering-resistant ro ...
geomorphology. The study focus on karst phenomena in the Balcans.
Albrecht Penck Albrecht Penck (25 September 1858 – 7 March 1945) was a German geographer and geologist and the father of Walther Penck. Biography Born in Reudnitz near Leipzig, Penck became a university professor in Vienna, Austria, from 1885 to 1906, ...
was Cvijić's PhD advisor. * ::In his 1899 publication William Morris Davis outlines in detail the
cycle of erosion The geographic cycle, or cycle of erosion, is an idealized model that explains the development of relief in landscapes. The model starts with the erosion that follows uplift of land above a base level and ends, if conditions allow, in the formatio ...
model laying the foundations for the study of
peneplain 390px, Sketch of a hypothetical peneplain formation after an orogeny. In geomorphology and geology, a peneplain is a low-relief plain formed by protracted erosion. This is the definition in the broadest of terms, albeit with frequency the usage ...
s, relief development and
denudation chronology Denudation chronology is the study of the long-term evolution of topography seen as sequence. Denudation chronology revolves around episodes of landscape-wide erosion, better known as denudation. The cycle of erosion The geographic cycle, or cycle ...
. * Łozinski, W. (1912). Die periglaziale fazies der mechanischen Verwitterung. Comptes Rendus, XI Congres Internationale Geologie, Stockholm 1910. ::In this work Walery Łoziński publishes his presentation at the 1910 International Geological Congress held in Stockholm and establishes periglacial geomorphology as a new field of study. * ::This work of Walther Penck challenges the cycle of erosion theory of Davis by proposing for the first time a comprehensive alternative model to landscape evolution. The work was published posthumously by his father
Albrecht Penck Albrecht Penck (25 September 1858 – 7 March 1945) was a German geographer and geologist and the father of Walther Penck. Biography Born in Reudnitz near Leipzig, Penck became a university professor in Vienna, Austria, from 1885 to 1906, ...
. * ::With this work Filip Hjulström marks a shift towards quantitative geomorphology and process geomorphology in Sweden and Europe. The publication is founding stone of the Uppsala School of Physical Geography. It influences the Ph.D. students of Hjulström
Anders Rapp Anders Rapp (1927–1998) was a Swedish geomorphologist and geographer who pioneered quantitative geomorphological approach on mass movements and erosion. He was the first to make a comprehensive study on avalanche boulder tongues. Most of Rapp's ...
,
Valter Axelsson Axel Gunnar Valter Axelsson (born 30 May 1924) was a Swedish geomorphologist and educator who made significant contributions to the understanding of the delta Delta commonly refers to: * Delta (letter) (Δ or δ), a letter of the Greek alphabet ...
,
Åke Sundborg Åke Sundborg (15 October 1921 – 23 May 2007) was a Swedish geographer and geomorphologist known for his contributions to the hydrology and geomorphological dynamics of rivers. He was active at Uppsala University where he studied under the s ...
and John O. Norrman. * ::Laid the foundations of the scientific investigation of the transport of sand by wind. * ::In this book King establishes for the first time the major landform of Africa namely the
African Surface The African Surface or African Erosion Surface is a land surface formed by erosion covering large swathes of Africa.Burke & Gunnell 2008, pp. 6–7. The type area of the surface lies in South Africa where the surface was first identified as such ...
. Subsequently the concept would be expanded and modified. King did also argued for
scarp retreat Scarp retreat is a geological process through which the location of an escarpment changes over time. Typically the cliff is undermined, rocks fall and form a talus slope, the talus is chemically or mechanically weathered and then removed through ...
and pediplanation in the book. * ::With this publication Linton "stimulated discussion" on the origin of tors. In 1994 it was noted by John Gerrard that the article had been widely cited. * ::Championed the concept of
dynamic equilibrium In chemistry, a dynamic equilibrium exists once a reversible reaction occurs. Substances transition between the reactants and products at equal rates, meaning there is no net change. Reactants and products are formed at such a rate that the conc ...
in geomorphology. * ::One of the first measurements of chemical erosion and one of the first quantitative assessments on the relative role of chemical and mechanical weathering in cold climates. * ::An article by Stoddart that proved "devastating" for the field of
climatic geomorphology Climatic geomorphology is the study of the role of climate in shaping landforms and the earth-surface processes. An approach used in climatic geomorphology is to study relict landforms to infer ancient climates. Being often concerned about past cl ...
that has been credited as a contributing factor for the decline in the popularity in field the late 20th century. * ::Widely cited version of the Varnes system of landslide classification first introduced in 1958.


Geophysics

* * ::A classic reference on the Earth's magnetic field and related topics in
meteorology Meteorology is a branch of the atmospheric sciences (which include atmospheric chemistry and physics) with a major focus on weather forecasting. The study of meteorology dates back millennia, though significant progress in meteorology did not ...
,
solar Solar may refer to: Astronomy * Of or relating to the Sun ** Solar telescope, a special purpose telescope used to observe the Sun ** A device that utilizes solar energy (e.g. "solar panels") ** Solar calendar, a calendar whose dates indicate t ...
and
lunar Lunar most commonly means "of or relating to the Moon". Lunar may also refer to: Arts and entertainment * ''Lunar'' (series), a series of video games * "Lunar" (song), by David Guetta * "Lunar", a song by Priestess from the 2009 album ''Prior t ...
physics, the
aurora An aurora (plural: auroras or aurorae), also commonly known as the polar lights, is a natural light display in Earth's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic). Auroras display dynamic patterns of bri ...
, techniques of spherical harmonic analysis and treatment of periodicities in geophysical data. Its comprehensive summaries made it the standard reference on geomagnetism and the
ionosphere The ionosphere () is the ionized part of the upper atmosphere of Earth, from about to above sea level, a region that includes the thermosphere and parts of the mesosphere and exosphere. The ionosphere is ionized by solar radiation. It plays an ...
for at least 2 decades.


Geotechnical engineering

* * Hoek, E. (1994) "Strengths of rock and rock masses" ''ISRM News Journal'', 2(2): 4–16. ::Introduced the
Geological Strength Index The Geological Strength Index (GSI) system, proposed in 1994 by Evert Hoek, is used for the estimation of the rock mass strength and the rock mass deformation modulus. The GSI system concentrates on the description of two factors, rock structure ...
.


Hydrogeology

* ::The work contains the first determination of
Darcy's law Darcy's law is an equation that describes the flow of a fluid through a porous medium. The law was formulated by Henry Darcy based on results of experiments on the flow of water through beds of sand, forming the basis of hydrogeology, a branch of e ...
. * ::Inferred the fact that both "water and the porous structure" of an aquifer are "elastically compressible". * ::The work establishes the well function, permitting calculations of transmissivity and storability and from
aquifer test An aquifer test (or a pumping test) is conducted to evaluate an aquifer by "stimulating" the aquifer through constant pumping, and observing the aquifer's "response" ( drawdown) in observation wells. Aquifer testing is a common tool that hydrogeol ...
data under ideal conditions.


Mineralogy and petrology

* ::Systematic treatise of then known
mineral In geology and mineralogy, a mineral or mineral species is, broadly speaking, a solid chemical compound with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form.John P. Rafferty, ed. ( ...
s and
gemstone A gemstone (also called a fine gem, jewel, precious stone, or semiprecious stone) is a piece of mineral crystal which, in cut and polished form, is used to make jewelry or other adornments. However, certain rocks (such as lapis lazuli, opal, ...
s as well as other rocks, the first since
Pliny Pliny may refer to: People * Pliny the Elder (23–79 CE), ancient Roman nobleman, scientist, historian, and author of ''Naturalis Historia'' (''Pliny's Natural History'') * Pliny the Younger (died 113), ancient Roman statesman, orator, w ...
's '' Natural History''. * ::" e first modern textbook on mineralogy." * :: The first mapping of "progressive
metamorphism Metamorphism is the transformation of existing rock (the protolith) to rock with a different mineral composition or texture. Metamorphism takes place at temperatures in excess of , and often also at elevated pressure or in the presence of chem ...
through the use of mineral isograds". * ::Established the concept of
metamorphic facies A metamorphic facies is a set of mineral assemblages in metamorphic rocks formed under similar pressures and temperatures.Essentials of Geology, 3rd Edition, Stephen Marshak The assemblage is typical of what is formed in conditions corresponding ...
. * ::Originally published in 1928, it applied the principles of chemistry to petrological problems. * :: Considered a benchmark paper in the study of
fluid inclusion image:Inclumed.gif, 250px, Trapped in a time capsule the same size as the diameter of a human hair, the ore-forming liquid in this inclusion was so hot and contained so much dissolved solids that when it cooled, crystals of halite, sylvite, gypsum, ...
s. * :: Considered a benchmark paper in the study of
coal Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. Coal is mostly carbon with variable amounts of other elements, chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed when dea ...
petrology. * :: Demostrated experimentally that granite can crystallize from
felsic In geology, felsic is a modifier describing igneous rocks that are relatively rich in elements that form feldspar and quartz.Marshak, Stephen, 2009, ''Essentials of Geology,'' W. W. Norton & Company, 3rd ed. It is contrasted with mafic rocks, whi ...
melt Melt may refer to: Science and technology * Melting, in physics, the process of heating a solid substance to a liquid * Melt (manufacturing), the semi-liquid material used in steelmaking and glassblowing * Melt (geology), magma ** Melt inclusions, ...
. Results are presented in a chemical-mineralogical
ternary diagram A ternary plot, ternary graph, triangle plot, simplex plot, Gibbs triangle or de Finetti diagram is a barycentric plot on three variables which sum to a constant. It graphically depicts the ratios of the three variables as positions in an equ ...
. * ::A condensation of ''Rock-Forming Minerals'' (1962), a 5-volume comprehensive treatise of the physical, chemical, mineralogical, petrological and optical properties of essentially all minerals with nontrivial abundances to be found in terrestrial rocks. Also presents information regarding common origins and associations of each mineral, as well as a practical commentary on how to distinguish each mineral from others which may appear similar. * ::One of the firsts outlines of the
International Union of Geological Sciences The International Union of Geological Sciences (IUGS) is an international non-governmental organization devoted to international cooperation in the field of geology. About The IUGS was founded in 1961 and is a Scientific Union member of the Inte ...
classification of
plutonic rock Intrusive rock is formed when magma penetrates existing rock, crystallizes, and solidifies underground to form '' intrusions'', such as batholiths, dikes, sills, laccoliths, and volcanic necks.Intrusive RocksIntrusive rocks accessdate: March ...
s. * ::Established the
TAS classification The TAS classification can be used to assign names to many common types of volcanic rocks based upon the relationships between the combined alkali content and the silica content. These chemical parameters are useful, because the relative proportion ...
of
volcanic rock Volcanic rock (often shortened to volcanics in scientific contexts) is a rock formed from lava erupted from a volcano. In other words, it differs from other igneous rock by being of volcanic origin. Like all rock types, the concept of volcanic r ...
s. * ::''Igneous Petrogenesis'' has long been a key reference and advanced introductory book to the science of
igneous petrology Igneous petrology is the study of igneous rocks—those that are formed from magma. As a branch of geology, igneous petrology is closely related to volcanology, tectonophysics, and petrology in general. The modern study of igneous rocks utilizes a ...
. * ::Originally published in 1993; presents the thermodynamic basis for modern, quantitative petrology and systematically reviews metamorphism for most rock types. Popularly also known as the "big blue book".


Petroleum geology

* ::Original work on seismic
sequence stratigraphy Sequence stratigraphy is a branch of geology, specifically a branch of stratigraphy, that attempts to discern and understand historic geology through time by subdividing and linking sedimentary deposits into unconformity bounded units on a variety ...
.


Plate tectonics

* ::First book to marshall considerable geological evidence that the
continents A continent is any of several large landmasses. Generally identified by convention rather than any strict criteria, up to seven geographical regions are commonly regarded as continents. Ordered from largest in area to smallest, these seven ...
are mobile relative to each other around the North Atlantic (mainly). It uses Evan Hopkins booklet (''On the connection of geology with terrestrial magnetism'', 1844), but adapts its data to a plutonist point-of-view. * ::First book to show geological evidence that some
continents A continent is any of several large landmasses. Generally identified by convention rather than any strict criteria, up to seven geographical regions are commonly regarded as continents. Ordered from largest in area to smallest, these seven ...
were linked with each other: Suess set out his belief that across geologic time, the rise and fall of sea levels were mappable across the earth—that is, that the periods of ocean transgression and regression were correlateable from one continent to another. His theory was based upon ''glossopteris'' fern fossils occurring in South America, Africa, and India. His explanation was that the three lands were once connected in a supercontinent, which he named ''Gondwána-Land'' (nowadays usually written ''Gondwanaland''). However Suess mistakenly believed that the oceans flooded the spaces currently between those lands. ::Moreover, Suess expressed views in this book on the connection between Africa and Europe. Eventually, he concluded that the Alps to the north were once at the bottom of an ocean, of which the Mediterranean was a remnant. Suess was not correct in his analysis, which was predicated upon the notion of "contractionism"—the idea that the Earth is cooling down and, therefore, contracting. Nevertheless, he is credited with postulating the earlier existence of the
Tethys Ocean The Tethys Ocean ( el, Τηθύς ''Tēthús''), also called the Tethys Sea or the Neo-Tethys, was a prehistoric ocean that covered most of the Earth during much of the Mesozoic Era and early Cenozoic Era, located between the ancient continents ...
, which he named in 1893. ::Suess also introduced in this book the concept of the
biosphere The biosphere (from Greek βίος ''bíos'' "life" and σφαῖρα ''sphaira'' "sphere"), also known as the ecosphere (from Greek οἶκος ''oîkos'' "environment" and σφαῖρα), is the worldwide sum of all ecosystems. It can also be ...
, which was later extended by
Vladimir I. Vernadsky Vladimir Ivanovich Vernadsky (russian: link=no, Влади́мир Ива́нович Верна́дский) or Volodymyr Ivanovych Vernadsky ( uk, Володи́мир Іва́нович Верна́дський;  – 6 January 1945) was ...
in 1926. * ::''Die Entstehung der Kontinente und Ozeane'' was the second book to marshall considerable geological evidence that the
continents A continent is any of several large landmasses. Generally identified by convention rather than any strict criteria, up to seven geographical regions are commonly regarded as continents. Ordered from largest in area to smallest, these seven ...
are mobile relative to each other on the surface of the Earth. His theory was based upon numerous matches between the
topography Topography is the study of the forms and features of land surfaces. The topography of an area may refer to the land forms and features themselves, or a description or depiction in maps. Topography is a field of geoscience and planetary sci ...
,
paleontology Paleontology (), also spelled palaeontology or palæontology, is the scientific study of life that existed prior to, and sometimes including, the start of the Holocene epoch (roughly 11,700 years before present). It includes the study of fossi ...
and past
climate Climate is the long-term weather pattern in an area, typically averaged over 30 years. More rigorously, it is the mean and variability of meteorological variables over a time spanning from months to millions of years. Some of the meteorologic ...
of continents now separated by
oceans The ocean (also the sea or the world ocean) is the body of salt water that covers approximately 70.8% of the surface of Earth and contains 97% of Earth's water. An ocean can also refer to any of the large bodies of water into which the worl ...
. At the time of publication his ideas were not taken seriously by most of the geological community as he could not provide a mechanism for continental motion, but his ideas form the foundations of the modern theory of
plate tectonics Plate tectonics (from the la, label=Late Latin, tectonicus, from the grc, τεκτονικός, lit=pertaining to building) is the generally accepted scientific theory that considers the Earth's lithosphere to comprise a number of large ...
. * :: Summarized geological arguments for
continental drift Continental drift is the hypothesis that the Earth's continents have moved over geologic time relative to each other, thus appearing to have "drifted" across the ocean bed. The idea of continental drift has been subsumed into the science of pla ...
. Considered a benchmark paper in tectonics.


Sedimentology and stratigraphy

* ::First statement of three fundamental laws of geology: the
law of superposition The law of superposition is an axiom that forms one of the bases of the sciences of geology, archaeology, and other fields pertaining to geological stratigraphy. In its plainest form, it states that in undeformed stratigraphic sequences, the ...
, the
principle of original horizontality The principle of original horizontality states that layers of sediment are originally deposited horizontally under the action of gravity. It is a relative dating technique. The principle is important to the analysis of folded and tilted strata. ...
, and the
principle of cross-cutting relationships Cross-cutting relationships is a principle of geology that states that the geologic feature which cuts another is the younger of the two features. It is a relative dating technique in geology. It was first developed by Danish geological pioneer ...
. * ::A foundational work in
biostratigraphy Biostratigraphy is the branch of stratigraphy which focuses on correlating and assigning relative ages of rock Stratum, strata by using the fossil assemblages contained within them.Hine, Robert. “Biostratigraphy.” ''Oxford Reference: Dictiona ...
. "...Cuvier and Brongniart integrated that enriched
geognosy Abraham Gottlob Werner (; 25 September 174930 June 1817) was a German geologist who set out an early theory about the stratification of the Earth's crust and propounded a history of the Earth that came to be known as Neptunism. While most tene ...
with the geohistorical perspective: the structural sequence of formations and their fossils was turned into a temporal sequence or narrative of ecologically distinctive periods punctuated by occasional sudden changes". * ::The first geological map covering such a large area in detail, and is one of the first stratigraphical analyses to utilize paleontological indices. A rough sketch of the map was drawn in 1801 possibly influencing
Alexandre Brongniart Alexandre Brongniart (5 February 17707 October 1847) was a French chemist, mineralogist, geologist, paleontologist, and zoologist, who collaborated with Georges Cuvier on a study of the geology of the region around Paris. Observing fossil content ...
when he visited England in 1802. * * ::Argument for the existence and relevance of
deep sea The deep sea is broadly defined as the ocean depth where light begins to fade, at an approximate depth of 200 metres (656 feet) or the point of transition from continental shelves to continental slopes. Conditions within the deep sea are a combin ...
deposist on land. * ::The basis for the widely used
folk classification The Folk classification, in geology, is a technical descriptive classification of sedimentary rocks devised by Robert L. Folk, an influential sedimentary petrologist and Professor Emeritus at the University of Texas. Folk's sandstone (clastic) c ...
for clastic and carbonate rocks * ::Provided new evidence and revived interest for the
Precambrian The Precambrian (or Pre-Cambrian, sometimes abbreviated pꞒ, or Cryptozoic) is the earliest part of Earth's history, set before the current Phanerozoic Eon. The Precambrian is so named because it preceded the Cambrian, the first period of the ...
world-wide glaciations.


Structural geology

* ::''"one of the first reports of an attempt to scale deformation experiments on a rock-analogue material (clay) and to conduct detailed kinematic and strain analyses of the three end-member types of faulting (thrust, normal, and strike-slip)"''. * ::Began a whole school of
structural geology Structural geology is the study of the three-dimensional distribution of rock units with respect to their deformational histories. The primary goal of structural geology is to use measurements of present-day rock geometries to uncover informatio ...
that used the techniques of
continuum mechanics Continuum mechanics is a branch of mechanics that deals with the mechanical behavior of materials modeled as a continuous mass rather than as discrete particles. The French mathematician Augustin-Louis Cauchy was the first to formulate such m ...
to understand rock structures. * ::Widely cited publication on the microstructure of
mylonite Mylonite is a fine-grained, compact metamorphic rock produced by dynamic recrystallization of the constituent minerals resulting in a reduction of the grain size of the rock. Mylonites can have many different mineralogical compositions; it is a cl ...
s. It is credited for contributing to a transition in tectonic structural geology towards a
kinematic Kinematics is a subfield of physics, developed in classical mechanics, that describes the motion of points, bodies (objects), and systems of bodies (groups of objects) without considering the forces that cause them to move. Kinematics, as a fie ...
approach. * ::Authoritative reference work in microtectonics.


Paleontology

* ::A definitive multi-authored work of some 50 volumes, written by more than 300 paleontologists, and still a work in progress. It covers every phylum, class, order, family, and genus of fossil and extant (still living) invertebrate animals.
Raymond C. Moore Raymond Cecil Moore (February 20, 1892, Roslyn, Washington – April 16, 1974, Lawrence, Kansas) was an American geologist and paleontologist.Daniel F. Merriam (2007), "Raymond Cecil Moore: Legendary Scholar and Scientist, World-Class Geologist ...
was the founder and first editor. * ::and * ::With these two publications
Adolf Seilacher Adolf "Dolf" Seilacher (February 24, 1925 – April 26, 2014) was a German palaeontologist who worked in evolutionary and ecological palaeobiology for over 60 years. He is best known for his contributions to the study of trace fossils; constructi ...
established the concept of
ichnofacies An ichnofacies is an assemblage of trace fossils that provides an indication of the conditions that their formative organisms inhabited. Concept Trace fossil assemblages are far from random; the range of fossils recorded in association is constra ...
.


Seismology



The first scientific paper written by a woman and published in the Transactions of the Geological Society, London. * * ::Defined a version of elastic anisotropy using transversely isotropic media that could be analyzed through the use of
Thomsen parameters A transversely isotropic material is one with physical properties that are symmetric about an axis that is normal to a plane of isotropy. This transverse plane has infinite planes of symmetry and thus, within this plane, the material properties ar ...
. Most cited paper in the history of geophysics.


Tectonics

* ::An influential review of fault properties, dynamics and growth, how they fail, and how this links to seismology. Highly cited (>2700 citations). * ::The first paper to lay out the now widely accepted model for formation of sedimentary basins by tectonic stretching of the lithosphere (mechanical thinning), followed by lowering of the basin by the cooling of upwelled, hot asthenosphere at depth below it (isostatic deepening). Highly cited (>2200 citations).


Volcanology

*Plinius Caecilius Secundus, Gaius (
Pliny the Younger Gaius Plinius Caecilius Secundus, born Gaius Caecilius or Gaius Caecilius Cilo (61 – c. 113), better known as Pliny the Younger (), was a lawyer, author, and magistrate of Ancient Rome. Pliny's uncle, Pliny the Elder, helped raise and educate ...
)(97–112). '' Letters of Pliny the Younger, Book Six, 16 and 20.'' ::Contains the first detailed description of a volcanic eruption in western culture – the eruption of
Mount Vesuvius Mount Vesuvius ( ; it, Vesuvio ; nap, 'O Vesuvio , also or ; la, Vesuvius , also , or ) is a somma-stratovolcano located on the Gulf of Naples in Campania, Italy, about east of Naples and a short distance from the shore. It is one of s ...
in what is now known as a plinian eruption in 79 CE. * ::Summarized scientific knowledge obtained from the
1902 eruption of Mount Pelée The 1902 eruption of Mount Pelée was a volcanic eruption on the island of Martinique in the Lesser Antilles Volcanic Arc of the eastern Caribbean, which was one of the deadliest eruptions in recorded history. Eruptive activity began on 23 Apri ...
. * ::The 1980 eruption of Mount St. Helens in Washington state, USA, allowed volcanologists to document first hand a large number of volcanic processes which hitherto had been only inferred. It spurred a revitalization of the whole discipline of volcanology. This anthology of papers was amongst the first to present new data gained during the eruption.


See also

*
History of geology The history of geology is concerned with the development of the natural science of geology. Geology is the scientific study of the origin, history, and structure of Earth. Antiquity Some of the first geological thoughts were about the ori ...
*
List of geologists A geologist is a contributor to the science of geology. Geologists are also known as earth scientists or geoscientists. The following is a list of Notability in the English Wikipedia, notable geologists. Many have received such awards as the Pen ...
*
List of geophysicists This is a list of geophysicists, people who made notable contributions to geophysics, whether or not geophysics was their primary field. These include historical figures who laid the foundations for the field of geophysics. More recently, some of ...
*
List of mineralogists The following is a list of notable mineralogists and other people who made notable contributions to mineralogy. Included are winners of major mineralogy awards such as the Dana Medal and the Roebling Medal. Mineralogy is a subject of geology spec ...


References


Further reading

* * * *


External links

* {{Important publications Geology literature
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Publications in geology
Geology Geology () is a branch of natural science concerned with Earth and other astronomical objects, the features or rocks of which it is composed, and the processes by which they change over time. Modern geology significantly overlaps all other Ear ...
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