Fossiliferous limestone is any type of

limestone Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms whe ...

, made mostly of calcium carbonate (CaCO₃) in the form of the

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. ( ...

calcite Calcite is a Carbonate minerals, carbonate mineral and the most stable Polymorphism (materials science), polymorph of calcium carbonate (CaCO3). It is a very common mineral, particularly as a component of limestone. Calcite defines hardness 3 on ...

or aragonite, that contains an abundance of

fossil A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...

s or fossil traces. The fossils in these rocks may be of macroscopic or

microscopic The microscopic scale () is the scale of objects and events smaller than those that can easily be seen by the naked eye, requiring a lens (optics), lens or microscope to see them clearly. In physics, the microscopic scale is sometimes regarded a ...

size. The sort of macroscopic fossils often include crinoid stems, brachiopods, gastropods, and other hard shelled

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

remains. In some cases, microfossils such as siliceous

diatom A diatom (Neo-Latin ''diatoma''), "a cutting through, a severance", from el, διάτομος, diátomos, "cut in half, divided equally" from el, διατέμνω, diatémno, "to cut in twain". is any member of a large group comprising sev ...

shells in deposition may convert over time to

opal Opal is a hydrated amorphous form of silica (SiO2·''n''H2O); its water content may range from 3 to 21% by weight, but is usually between 6 and 10%. Due to its amorphous property, it is classified as a mineraloid, unlike crystalline forms ...

and

chert Chert () is a hard, fine-grained sedimentary rock composed of microcrystalline or cryptocrystalline quartz, the mineral form of silicon dioxide (SiO2). Chert is characteristically of biological origin, but may also occur inorganically as a prec ...

, providing the only inferred evidence of bioactivity preserved in limestone. Fossiliferous limestone is termed biosparite limestone under the Folk classification of

sedimentary rock Sedimentary rocks are types of rock that are formed by the accumulation or deposition of mineral or organic particles at Earth's surface, followed by cementation. Sedimentation is the collective name for processes that cause these particles ...

Lagerstätte A Lagerstätte (, from ''Lager'' 'storage, lair' '' Stätte'' 'place'; plural ''Lagerstätten'') is a sedimentary deposit that exhibits extraordinary fossils with exceptional preservation—sometimes including preserved soft tissues. These for ...

are a class of fossil bearing rocks that includes fossiliferous limestone.

Use

Fossils in general provide geologic clues to the environment of deposition, rock formation, and the types of biological activities present at the time. Index fossils are more helpful in providing geologic references or reference markers. When polished as tiles or slabs, fossil bearing rocks are used as attractive building facades and pavements. They are also carved as ornamental stones, and used in jewelry making. Limestone etched section KopeFm new

Common rock types

* Carboniferous limestone *

Coquina Coquina () is a sedimentary rock that is composed either wholly or almost entirely of the transported, abraded, and mechanically sorted fragments of the shells of mollusks, trilobites, brachiopods, or other invertebrates. The term ''coquina'' ...

* Coral rag * Coral sand *

Fossil beach A fossil beach, also known as a paleo-beach, fossil strandline or raised beach, is an ancient oceanic or lacustrine beach preserved in fossil form due to a change in water level or sea level, or because of a shift in terrain elevation. It is often ...

* Shelly limestone * Keystone

Less fossil bearing types

Lithographic limestone Lithographic limestone is hard limestone that is sufficiently fine-grained, homogeneous and defect free to be used for lithography. Geologists use the term "lithographic texture" to refer to a grain size under 1/250 mm. The term "sublithog ...

Marl Marl is an earthy material rich in carbonate minerals, clays, and silt. When hardened into rock, this becomes marlstone. It is formed in marine or freshwater environments, often through the activities of algae. Marl makes up the lower part o ...

Millstone Millstones or mill stones are stones used in gristmills, for grinding wheat or other grains. They are sometimes referred to as grindstones or grinding stones. Millstones come in pairs: a convex stationary base known as the ''bedstone'' and ...

* Plattenkalk *

Tufa Tufa is a variety of limestone formed when carbonate minerals precipitate out of water in unheated rivers or lakes. Geothermally heated hot springs sometimes produce similar (but less porous) carbonate deposits, which are known as travertine. ...

Geological layers

* Alum Bluff Formation * Angoumian * Arenig *

Bioclast Bioclasts are skeletal fossil fragments of once living marine or land organisms that are found in sedimentary rocks laid down in a marine environment—especially limestone varieties around the globe. some of which take on distinct textures and col ...

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 ...

* Blue Lias * Carnian *

Chalk Group The Chalk Group (often just called the Chalk) is the lithostratigraphic unit (a certain number of rock strata) which contains the Upper Cretaceous limestone succession in southern and eastern England. The same or similar rock sequences occur acr ...

* Ediacara biota *

Elk Point Group The Elk Point Group is a stratigraphic unit of Early to Middle Devonian age in the Western Canada and Williston sedimentary basins. It underlies a large area that extends from the southern boundary of the Northwest Territories in Canada to Nor ...

Eramosa The Eramosa is a Silurian stratigraphic unit exposed along the Niagara Escarpment in Ontario and western New York State. In the late nineteenth century it was an important source of building stone in Hamilton, Ancaster and Waterdown, and in th ...

* Galena Group * Hirnantian *

La Tour-Blanche Anticline The La Tour-Blanche Anticline, also called Chapdeuil Anticline or Chapdeuil-La Tour-Blanche Anticline, is a tectonically caused, dome-like upwarp in the sedimentary succession of the northeastern Aquitaine Basin in France. The structure is oriented ...

Mannville Group The Mannville Group is a stratigraphical unit of Cretaceous age in the Western Canadian Sedimentary Basin. It takes the name from the town of Mannville, Alberta, and was first described in the ''Northwest Mannville 1'' well by A.W. Nauss in 1945 ...

* Madison Group *

Mareuil Anticline The Mareuil Anticline, also called Mareuil-Meyssac Anticline, is a structural high within the sedimentary sequence of the northeastern Aquitaine Basin. The northwest-southeast trending anticline was caused by tectonic movements probably starting i ...

* Marcellus Formation *

Morrison Formation The Morrison Formation is a distinctive sequence of Late Jurassic, Upper Jurassic sedimentary rock found in the western United States which has been the most fertile source of dinosaur fossils in North America. It is composed of mudstone, sandsto ...

* Orsten * Ostracod Beds *

Redknife Formation The Redknife Formation is a stratigraphical unit of Devonian age in the Western Canadian Sedimentary Basin. It takes the name from Redknife River, a tributary of the Mackenzie River, and was first described in the banks of the Trout River, nor ...

Red River Formation The Red River Formation is a stratigraphical unit of Late Ordovician age in the Williston Basin. It takes the name from the Red River of the North, and was first described in outcrop in the Tyndall Stone quarries and along the Red River Valley ...

* Rock-cut basin * Stoddart Group *

Tithonian In the geological timescale, the Tithonian is the latest age of the Late Jurassic Epoch and the uppermost stage of the Upper Jurassic Series. It spans the time between 152.1 ± 4 Ma and 145.0 ± 4 Ma (million years ago). It is preceded by the K ...

Wenlock Group The Wenlock Group (Wenlockian), in geology, is the middle series of strata in the Silurian (Upper Silurian) of Great Britain. This group in the typical area in the Welsh border counties contains the following formations: Much Wenlock Limestone Form ...

White Limestone Formation The White Limestone Formation is a Bathonian geologic formation in the United Kingdom, dating to the Middle Jurassic, 168.3 to 166.1 million years ago. Fossil sauropod tracks have been reported from the formation.Weishampel, et al. (2004). "Dino ...

Locations on Earth

Alquézar Alquézar ( Aragonese: ''Alquezra'') is a municipality in the province of Huesca, in the autonomous community of Aragon, Spain. As of 2012, its population was 301. Overview Situated on a limestone outcrop of the Eocene age to the west of the can ...

* Aquitaine Basin *

Aymestry Limestone The Aymestry Limestone is a fossiliferous limestone of Gorstian age (Upper Silurian) deposited in a warm shallow sea near the eastern margin of the Iapetus Ocean. It occurs in England in the Ludlow Group, between the Upper Ludlow Shale group, Upp ...

Barstow Formation The Barstow Formation is a series of limestones, conglomerates, sandstones, siltstones and shales exposed in the Mojave Desert near Barstow in San Bernardino County, California.Dibblee, T.W., Jr. (1967). Areal Geology of the Western Mojave De ...

Bear Gulch Limestone The Bear Gulch Limestone is a limestone-rich geological lens in central Montana, renowned for the quality of its late Mississippian-aged fossils. It is exposed over a number of outcrops northeast of the Big Snowy Mountains, and is often considere ...

* Bennett Island * Bissett Formation *

Bladen Nature Reserve Bladen Nature Reserve is a landscape of caves, sinkholes, pristine streams and rivers, undisturbed old growth rainforest and an abundance of highly diverse flora and fauna which includes a great deal of rare and endemic species. Widely described ...

* Bluegrass Region * Boodjamulla National Park * Borschiv * Bullock Creek *

Bunda Cliffs The Bunda Cliffs, also known as the Nullarbor Cliffs, are a coastal scarp on the southern coast of Australia, extending from the western coast of South Australia to the south-eastern corner of Western Australia. Geography The Bunda Cliffs ex ...

Bungonia State Recreation Area The Bungonia State Recreation Area (SRA) is a nature reserve near the city of Goulburn, New South Wales Australia. The SRA is about east of Goulburn and about south-west of Sydney, and it adjoins the Morton National Park. The area features dr ...

* Caves of the Tullybrack and Belmore hills * Cedar Mountain Formation * Chazy Formation *

Chestnut Ridge, Bedford County Chestnut Ridge is an elongate hill trending northeast-southwest in west-central Bedford County, Pennsylvania. It is partially forested with rural homes, farms, and notably apple orchards. Four small towns surround it: Schellsburg, New Paris ...

* Chocolate Hills * Colemans Quarry *

Columbus Limestone The Columbus Limestone is a mapped bedrock unit consisting primarily of fossiliferous limestone, and it occurs in Ohio, Pennsylvania, and Virginia in the United States, and in Ontario, Canada. Description Depositional environment The depositiona ...

Coniston Limestone The Dent Group is a group of Upper Ordovician sedimentary and volcanic rocks in north-west England. It is the lowermost part of the Windermere Supergroup, which was deposited in the foreland basin formed during the collision between Laurentia and ...

* Coon Creek Formation *

Cowan Lake (Ohio) Cowan Lake, also known as Cowan Creek Reservoir, is a lake within Cowan Lake State Park in Clinton County, Ohio, United States. Its surface area is . Cowan Lake lies near the Cincinnati Arch, an uplifting of bedrock that occurred during the Appal ...

Crab Island (Lake Champlain) Crab Island is a roughly limestone island situated in Lake Champlain just outside Plattsburgh Bay in the town of Plattsburgh in Clinton County in upstate New York. During the War of 1812, the island was utilized as a military field hospital f ...

Cradle of Humankind The Cradle of Humankind is a paleoanthropological site and is located about northwest of Johannesburg, South Africa, in the Gauteng province. Declared a World Heritage Site by UNESCO in 1999, the site is home to the largest concentration of ...

* Crato Formation *

Cumnor Hurst Hurst Hill or Cumnor Hurst is a biological and geological Site of Special Scientific Interest west of Oxford in Oxfordshire. It is a Geological Conservation Review site. The site is owned by All Souls College, Oxford, and its mosses and liverw ...

Cunswick Scar Cunswick Scar is a limestone ''scar'' (cliff or steep rock face) in the Lake District, England. There are extensive views from the large cairn at the top (). The scar is listed in the Scout Scar chapter of Wainwright's ''The Outlying Fells of La ...

Dinosaur Valley State Park Dinosaur Valley State Park is a state park near Glen Rose, Texas, United States. History Dinosaur Valley State Park, located just northwest of Glen Rose in Somervell County, Texas, is a scenic park set astride the Paluxy River. The land for ...

Durupınar site The Durupınar site ( tr, Durupınar sitesi) is geological formartion of made of limonite on Mount Tendürek, adjacent to the village of Üzengili in eastern Anatolia or Turkey. The site is north of the Iranian border, southeast of Doğubayazı ...

* Dudley Tunnel *

East Kirkton Quarry East Kirkton Quarry is a former limestone quarry in West Lothian, Scotland (East Kirkton Limestone), now better known as a fossil site known for terrestrial fossils from the fossil-poor Romer's gap, a 15 million year period at the beginning of th ...

* Elliot Formation *

English Riviera Geopark The English Riviera Geopark (ERG) in Torbay is one of eight UNESCO Global Geoparks in the United Kingdom, and one of over one hundred and seventy worldwide.It is one of only two urban Geoparks in the UK, and joined the Global Geoparks Network on ...

* Falls of the Ohio State Park * Front Range *

Gem Valley Gem Valley is a rural valley in Caribou County, Bannock, and Franklin counties in Idaho, United States, so named for its local gemstones which can be found throughout the valley. It is approximately wide at its widest point east to west, and ...

* Geology of Australia *

Geology of the Canyonlands area The exposed geology of the Canyonlands area is complex and diverse; 12 formations are exposed in Canyonlands National Park that range in age from Pennsylvanian to Cretaceous. The oldest and perhaps most interesting was created from evaporites ...

Geology of the Capitol Reef area The exposed geology of the Capitol Reef area presents a record of mostly Mesozoic-aged sedimentation in an area of North America in and around Capitol Reef National Park, on the Colorado Plateau in southeastern Utah. Nearly 10,000 feet (3, ...

* Geology of the Dallas–Fort Worth Metroplex *

Geology of Ethiopia 300px, Tigray Escarpment in northern Ethiopia exposing the layers of the Ethiopia-Yemen Continental Flood Basalts. The geology of Ethiopia includes rocks of the Neoproterozoic East African Orogeny, Jurassic marine sediments and Quaternary rift-re ...

Geology of the Grand Canyon area The geology of the Grand Canyon area includes one of the most complete and studied sequences of rock (geology), rock on Earth. The nearly 40 major sedimentary rock layers exposed in the Grand Canyon and in the Grand Canyon National Park area rang ...

Geology of the Grand Teton area The geology of the Grand Teton area consists of some of the oldest rocks and one of the youngest mountain ranges in North America. The Teton Range, partly located in Grand Teton National Park, started to grow some 9 million years ago. An older feat ...

* Geology of the Iberian Peninsula *

Geology of Nepal The geology of Nepal is dominated by the Himalaya, the highest, youngest and a very highly active mountain range. Himalaya is a type locality for the study of on-going continent-continent collision tectonics. The Himalayan arc extends about fro ...

* Geology of the Pyrenees * Geology of Somerset * Geology of the Zion and Kolob canyons area * Gilwern Hill, Powys * Glen Rose Formation *

Gurney Slade quarry Gurney Slade quarry, is a limestone quarry near Gurney Slade between Binegar and Holcombe, on the Mendip Hills, Somerset, England. Gurney Slade quarry exhibits pale to very dark grey Carboniferous Limestone overlain by red and purple-coloured T ...

* Haile Quarry site *

Halecombe Halecombe, is a limestone quarry near Leigh-on-Mendip on the Mendip Hills, Somerset, England. The quarry exhibits pale to dark grey well-bedded Carboniferous Limestone, about 350-320 million years old, dipping steeply and consistently northw ...

Hamilton Group The Hamilton Group is a Devonian-age geological group in the Appalachian region of the United States. It is present in New York, Pennsylvania, Maryland, Ohio, West Virginia, northwestern Virginia and Ontario, Canada. It is mainly composed of mar ...

* Hawkesbury Quarry * Hessilhead Limestone * Hill Country State Natural Area *

Hotavlje Hotavlje (; in older sources also ''Hotovlje'',''Leksikon občin kraljestev in dežel zastopanih v državnem zboru,'' vol. 6: ''Kranjsko''. 1906. Vienna: C. Kr. Dvorna in Državna Tiskarna, p. 64. german: Hotaule) is a village in the Sora (river), ...

House Range The House Range is a north-south trending mountain range in Millard County, of west-central Utah. The House Range was named in 1859 by James H. Simpson. It was named by Simpson because "...of its well-defined stratification and the resemblance ...

Humpback Rock Humpback Rocks is a massive greenstone outcropping near the peak of Humpback Mountain in the Blue Ridge Mountains of Augusta County and Nelson County, Virginia, United States, with a summit elevation of . The rock formation is so named for the ...

Hunstanton Hunstanton () is a seaside town in Norfolk, England, which had a population of 4,229 at the 2011 Census. It faces west across The Wash, making it one of the few places on the east coast of Great Britain where the sun sets over the sea. Hunstant ...

* Indiana Limestone *

Isle La Motte, Vermont Isle La Motte is an island in Lake Champlain in northwestern Vermont, United States. At 7 mi (11 km) by 2 mi (3 km), it lies close to the place that the lake empties into the Richelieu River. It is incorporated as a New England town in Grand Isle ...

Ixkun Ixkun (Ixcún or Ixkún in Spanish orthography) is a pre-Columbian Maya archaeological site, situated in the Petén Basin region of the southern Maya lowlands. It lies to the north of the town of Dolores, in the modern-day department of Petén, ...

John Boyd Thacher State Park John Boyd Thacher State Park is a state park located 15 miles (24 km) southwest of Albany, New York, near Voorheesville, in Albany County on State Route 157. Located mostly atop the Helderberg Escarpment, the park has several hiking trail ...

Kaibab Limestone The Kaibab Limestone is a resistant cliff-former, cliff-forming, Permian geologic formation that crops out across the U.S. states of northern Arizona, southern Utah, east central Nevada and southeast California. It is also known as the Kaibab Fo ...

Kakanui The small town of Kakanui lies on the coast of Otago, in New Zealand, fourteen kilometres to the south of Oamaru. The Kakanui River and its estuary divide the township in two. The part of the settlement south of the river, also known as Kakanui ...

* Kennetcook River *

Keyser Formation The Late Silurian to Early Devonian Keyser Formation is a mapped limestone bedrock unit in Pennsylvania, Maryland, Virginia, and West Virginia. Description The Keyser is a nodular limestone overlain by thick- and thin-bedded limestone and lamina ...

* Kotelny Island *

Latyan Dam Latyan Dam ( fa, سد لتيان, also Romanized as ''Sadd-e Latyān'') is a buttress dam on the Jajrood River, located less than 25 km from Tehran in the south of city of Lavasan. It is one of the main sources of water for Tehran metropolitan ...

* Lincolnshire limestone * Llandovery Group *

Madar, Yemen Madar is a village about north of the Yemeni capital of Sanaa. In 2003 a local journalist noted the existence of dinosaur footprints in limestone bedrock and brought them to the attention of geologists at the University of Sanaa. The main site o ...

Majlis al Jinn Majlis al Jinn, also ''Majlis al-Jinn'' ( ar, مجلس الجن, ) is the second-largest known cave chamber in the world, as measured by the surface area of the floor. It ranks lower when measured by volume. The cave is located in a remote are ...

Michigan Basin The Michigan Basin is a geologic basin centered on the Lower Peninsula of the U.S. state of Michigan. The feature is represented by a nearly circular pattern of geologic sedimentary strata in the area with a nearly uniform structural dip toward ...

Middridge Quarry Middridge Quarry is a Site of Special Scientific Interest in the Sedgefield district of County Durham, England. It is a disused quarry, situated alongside the railway line between Newton Aycliffe and Shildon, 1 km south of the village of ...

Mooreville Chalk Formation The Mooreville Chalk is a geological formation in North America, within the U.S. states of Alabama and Mississippi, which were part of the subcontinent of Appalachia. The strata date back to the early Santonian to the early Campanian stage of t ...

Mortimer Forest Mortimer Forest is a forest on the Shropshire/Herefordshire border in England, near the town of Ludlow.

* Mugarra *

Naracoorte Caves National Park Naracoorte Caves National Park is a national park near Naracoorte in the Limestone Coast tourism region in the south-east of South Australia (Australia). It was officially recognised in 1994 for its extensive fossil record when the site was ins ...

Neckar The Neckar () is a river in Germany, mainly flowing through the southwestern state of Baden-Württemberg, with a short section through Hesse. The Neckar is a major right tributary of the Rhine. Rising in the Schwarzwald-Baar-Kreis near Schwenn ...

Notch Peak Notch Peak is a distinctive summit located on Sawtooth Mountain in the House Range, west of Delta, Utah, United States. The peak and the surrounding area are part of the Notch Peak Wilderness Study Area (WSA). Bristlecone pines, estimated to ...

* Nullarbor Plain *

Old Rag Mountain Old Rag Mountain is a mountain near Sperryville in Madison County, Virginia. A part of the Blue Ridge Mountains, the peak is located within Shenandoah National Park and is the most popular hiking destination within the park. In contrast to ...

* Onondaga Formation *

Ottawa Valley The Ottawa Valley is the valley of the Ottawa River, along the boundary between Eastern Ontario and the Outaouais, Quebec, Canada. The valley is the transition between the Saint Lawrence Lowlands and the Canadian Shield. Because of the surroundi ...

* Owl's Hill Nature Center *

Öland Öland (, ; ; sometimes written ''Øland'' in other Scandinavian languages, and often ''Oland'' internationally; la, Oelandia) is the second-largest Swedish island and the smallest of the traditional provinces of Sweden. Öland has an area ...

Palm Islands Nature Reserve The Palm Islands Nature Reserve consists of three flat, rocky islands of eroded limestone and the surrounding sea area, located offshore and northwest of the city of Mina El Mina, Lebanon, to the west of Tripoli, Lebanon. The overall area of t ...

* Paluxy River *

Penmon Penmon is a promontory, village and ecclesiastical parish on the eastern tip of the Isle of Anglesey in Wales, about east of the town of Beaumaris. It is in the community of Llangoed. The name comes from cy, pen (which can mean "head", "end" ...

* Perth Basin *

Pipe Creek Sinkhole The Pipe Creek Sinkhole near Swayzee in Grant County, Indiana, is one of the most important paleontological sites in the interior of the eastern half of North America. It is preserved because it was buried by glacial till. Uncovered in 1996 by work ...

* Purbeck Limestone Formation * Riversleigh *

Rock Point Provincial Park Rock Point Provincial Park is a park located on the north shore of Lake Erie near the mouth of the Grand River in the Carolinian zone of southwestern Ontario. It occupies an area of . Habitats within the park include wetlands, forests and dunes ...

Sacul, El Petén Sacul is an archaeological site of the Maya civilization located in the upper drainage of the Mopan River, in the Petén department of Guatemala. The city occupied an important trade route through the Maya Mountains. The main period of occupatio ...

St. Louis Limestone The St. Louis Limestone is a large geologic formation covering a wide area of the midwest of the United States. It is named after an exposure at St. Louis, Missouri. It consists of sedimentary limestone with scattered chert beds, including the ...

* Santana Formation * Solnhofen Plattenkalk * Somervell County, Texas * Stephen Formation *

Suwannee Limestone The Suwannee Limestone is an Early Oligocene geologic formation of exposed limestones in North Florida, United States. Description Suwannee Limestone is found in the peninsula carbonate outcroppings on the northwestern, northeastern and southwe ...

* Swartkrans *

Tamiami Formation The Tamiami Formation is a Late Miocene to Pliocene geologic formation in the southwest Florida peninsula. Age Period: Neogene Epoch: Late Miocene to Pliocene Faunal stage: Clarendonian through Blancan ~13.06–2.588 mya, calculates to a ...

* Taynton Limestone Formation *

Tennessee marble Tennessee marble is a type of crystalline limestone found only in East Tennessee, in the southeastern United States. Long esteemed by architects and builders for its pinkish-gray color and the ease with which it is polished, this stone has been ...

Torreya Formation The Torreya Formation is a Miocene geologic formation with an outcrop in North Florida. It is within the Hawthorn Group. Age Period: Neogene Epoch: Early Miocene Faunal stage: Aquitanian through early Messinian ~19–15.3 mya, calculates to a ...

Tyndall Limestone Tyndall Stone is a registered trademark name by Gillis Quarries Ltd. Tyndall Stone is a dolomitic limestone that is quarried from the Selkirk Member of the Ordovician Red River Formation in the vicinity of Garson and Tyndall, Manitoba, Can ...

* Upper Elliot Formation * Walcott-Rust quarry *

Warrior Formation The Cambrian Warrior Formation is a mapped limestone bedrock unit in Pennsylvania. Description The Warrior Formation is described by Berg and others as gray, thin- to medium-bedded, fossiliferous, cyclic limestone bearing stromatolites, interbedde ...

Washtenaw Community College Washtenaw Community College (WCC) is a public community college in Ann Arbor Charter Township, Michigan.Weardale *

Wetterstein limestone The Wetterstein Formation is a regional geologic formation of the Northern Limestone Alps and Western Carpathians extending from southern Bavaria, Germany in the west, through northern Austria to northern Hungary and western Slovakia in the east. ...

Wills Creek Formation Wills Creek Formation is a mapped Silurian bedrock unit in Pennsylvania, Maryland, Virginia, and West Virginia. Description The Wills Creek is defined as a moderately well bedded greenish-gray shale containing local limestone and sandstone zon ...

Wren's Nest The Wren's Nest is a geological Site of Special Scientific Interest in the Dudley Metropolitan Borough, north west of the town centre of Dudley, in the West Midlands of England. It is one of the most important geological locations in Britain. ...

Zhoukoudian Zhoukoudian Area () is a town and an area located on the east Fangshan District, Beijing, China. It borders Nanjiao and Fozizhuang Townships to its north, Xiangyang, Chengguan and Yingfeng Subdistricts to its east, Shilou and Hangcunhe Towns to ...

Zitai Formation The Zitai or Zhitai Formation ...

{{Div col end

Use

Common rock types

Less fossil bearing types

Geological layers

Locations on Earth

See also