Malpaís, in the
Southwestern United States
The Southwestern United States, also known as the American Southwest or simply the Southwest, is a geographic and cultural list of regions of the United States, region of the United States that includes Arizona and New Mexico, along with adjacen ...
,
Spain
Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...
,
Mexico
Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...
, and other Spanish-speaking regions, are rough and barren landscapes that consist of relict and largely uneroded
lava field
A lava field, sometimes called a lava bed, is a large, mostly flat area of lava flows. Such features are generally composed of highly fluid basalt lava, and can extend for tens or hundreds of kilometers across the underlying terrain.
Morp ...
s exhibiting recognizable
lava flow
Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a Natural satellite, moon onto its surface. Lava may be erupted at a volcano or through a Fissure vent, fractu ...
s,
volcanic cone
Volcanic cones are among the simplest volcanic landforms. They are built by ejecta from a volcanic vent, piling up around the vent in the shape of a cone with a central crater. Volcanic cones are of different types, depending upon the nature and s ...
s, and other
volcanic
A volcano is commonly defined as a vent or fissure in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.
On Earth, volcanoes are most often fo ...
landforms. This type of volcanic landscape is extremely rough and difficult to traverse. It is characteristic of arid environments because in more humid climates, such rough terrains are smoothed by
erosion and vegetation.
While the term describes many
xeric
Deserts and xeric shrublands are a biome defined by the World Wide Fund for Nature. Deserts and xeric (Ancient Greek 'dry') shrublands form the largest terrestrial biome, covering 19% of Earth's land surface area. Ecoregions in this habita ...
places, it is strongly associated with Spanish-speaking countries and the Southwestern United States, where Spanish settlers named this landform.
[Strahler, A. N., 1970, ''Introduction to Physical Geography'', 2nd ed. John Wiley and Sopns. New York, New York. 486 pp. ][Neuendorf, K.K.E., J.P. Mehl, Jr., and J.A. Jackson, eds. (2005) ''Glossary of Geology'' (5th ed.). Alexandria, Virginia, American Geological Institute. 779 pp. ]
Etymology
A
loanword
A loanword (also a loan word, loan-word) is a word at least partly assimilated from one language (the donor language) into another language (the recipient or target language), through the process of borrowing. Borrowing is a metaphorical term t ...
from
Spanish
Spanish might refer to:
* Items from or related to Spain:
**Spaniards are a nation and ethnic group indigenous to Spain
**Spanish language, spoken in Spain and many countries in the Americas
**Spanish cuisine
**Spanish history
**Spanish culture
...
, malpaís is in wide use in
English in the
southwest United States. The literal translation of ''malpaís'' is "badland." Other Spanish terms for badlands are ''
tierras baldías'' and ''
cárcava''.
Badlands landform
The word 'malpaís' in Spanish translates to "
badland
Badlands are a type of dry terrain where softer sedimentary rocks and clay-rich soils have been extensively eroded."Badlands" in '' Chambers's Encyclopædia''. London: George Newnes, 1961, Vol. 2, p. 47. They are characterized by steep slopes ...
," and this describes the area as being extremely rough and difficult to traverse and unusable for crops. Although a malpaís is often another word for the
badlands
Badlands are a type of dry terrain where softer sedimentary rocks and clay-rich soils have been extensively eroded."Badlands" in '' Chambers's Encyclopædia''. London: George Newnes, 1961, Vol. 2, p. 47. They are characterized by steep slopes, ...
that form by erosion of sedimentary rocks in the same environment, a malpaís is often associated with such types of
lava plain terrain as found in a
volcanic field
A volcanic field is an area of Earth's Earth's crust, crust that is prone to localized volcano, volcanic activity. The type and number of volcanoes required to be called a "field" is not well-defined. Volcanic fields usually consist of clusters ...
. The geology of malpaís terrain is bare to thin layers of soil over lava with sparse vegetation. The lava fields usually consist of
lava tube
A lava tube, more rarely called a pyroduct, is a 'roofed conduit through which molten lava travels away from its vent'. If lava in the tube drains out, it will leave an empty cave. Lava tubes are common in low-viscosity volcanic systems. La ...
systems,
sinkhole
A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer. The term is sometimes used to refer to doline, enclosed depressions that are also known as shakeholes, and to openings where surface water ...
s,
pyroclastic deposits from
cinder cone
A cinder cone or scoria cone is a steep, volcanic cone, conical landform of loose pyroclastic rock, pyroclastic fragments, such as volcanic ash, clinkers, or scoria that has been built around a volcanic vent. The pyroclastic fragments are forme ...
volcanoes, and
ʻaʻā
Lava is molten or partially molten rock (magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface. Lava may be erupted at a volcano or through a fracture in the crust, on land or unde ...
and
pāhoehoe lava flows. The lava tubes can vary from intact caves to partial or completely collapsed passages. The collapsed tubes, sinkholes, and jagged ʻaʻā surfaces are what make malpaís terrain so difficult to navigate and cultivate, thereby earning their name.
Examples
El Malpaís National Monument is an example of this landform in
New Mexico
New Mexico is a state in the Southwestern United States, Southwestern region of the United States. It is one of the Mountain States of the southern Rocky Mountains, sharing the Four Corners region with Utah, Colorado, and Arizona. It also ...
.
Other examples are the
Carrizozo Malpaís,
Potrillo Malpaís and
Jornada del Muerto Volcano lava plain, in the
Jornada del Muerto
Jornada del Muerto was the name given by the Spanish conquistadors to the Jornada del Muerto desert Endorheic basin, basin, and the almost waterless trail across the Jornada beginning north of Las Cruces, New Mexico, Las Cruces and ending sout ...
Desert. The
Malpaís de Güímar is an example in the Spanish
Canary Islands
The Canary Islands (; ) or Canaries are an archipelago in the Atlantic Ocean and the southernmost Autonomous communities of Spain, Autonomous Community of Spain. They are located in the northwest of Africa, with the closest point to the cont ...
.
References
Volcanic landforms
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