The Lavic Lake volcanic field is a

volcanic field A volcanic field is an area of Earth's crust that is prone to localized volcanic activity. The type and number of volcanoes required to be called a "field" is not well-defined. Volcanic fields usually consist of clusters of up to 100 volcanoes ...

with

extinct Extinction is the termination of a kind of organism or of a group of kinds (taxon), usually a species. The moment of extinction is generally considered to be the death of the last individual of the species, although the capacity to breed and ...

cinder cones in the

Mojave Desert The Mojave Desert ( ; mov, Hayikwiir Mat'aar; es, Desierto de Mojave) is a desert in the rain shadow of the Sierra Nevada mountains in the Southwestern United States. It is named for the indigenous Mojave people. It is located primarily in ...

, in San Bernardino County, California,

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

, at elevation. Its cones lie directly alongside historic

Route 66 U.S. Route 66 or U.S. Highway 66 (US 66 or Route 66) was one of the original highways in the United States Numbered Highway System. It was established on November 11, 1926, with road signs erected the following year. The h ...

and modern Interstate 40, between Barstow to the west and Ludlow to the east.Global Volcanism Program, 2013. Lavic Lake (323190) in Volcanoes of the World, v. 4.6.7. Venzke, E (ed.). Smithsonian Institution. Downloaded 15 May 2018 (http://volcano.si.edu/volcano.cfm?vn=323190). https://doi.org/10.5479/si.GVP.VOTW4-2013

Description

The Lavic Lake volcanic field is a

basalt Basalt (; ) is an aphanite, aphanitic (fine-grained) extrusive igneous rock formed from the rapid cooling of low-viscosity lava rich in magnesium and iron (mafic lava) exposed at or very near the planetary surface, surface of a terrestrial ...

ic pahoehoe lava plain and has four

Holocene The Holocene ( ) is the current geological epoch. It began approximately 11,650 cal years Before Present (), after the Last Glacial Period, which concluded with the Holocene glacial retreat. The Holocene and the preceding Pleistocene togethe ...

(approximately 10,000 years ago)

cinder cone A cinder cone (or scoria cone) is a steep conical hill of loose pyroclastic fragments, such as volcanic clinkers, volcanic ash, or scoria that has been built around a volcanic vent. The pyroclastic fragments are formed by explosive eruptions o ...

type

volcano A volcano is a rupture 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 found where tectonic plates are ...

s, three in the Lavic Dry Lake area, and a fourth located southwest in the

Rodman Mountains The Rodman Mountains are located in the Mojave Desert, in San Bernardino County, California, United States. The range is located south of Interstate 40 and Newberry Springs, and east of the Ord Mountains and northwest of the Bullion Mountains. They ...

. The oldest cinder cone, Pisgah Crater may be pre-Holocene, erupting around 25,000 years ago. Of the four cinder cones, Pisgah Crater stands as the most accessible and prominent volcano in the volcanic field with a height of above the field with a peak elevation of , at . The cone of Pisgah Crater has been modified by mining operations that provide a source of road aggregate. The

biome A biome () is a biogeographical unit consisting of a biological community that has formed in response to the physical environment in which they are found and a shared regional climate. Biomes may span more than one continent. Biome is a broader ...

is the deserts and xeric shrublands, with smaller plants growing in soil pockets formed by

erosion Erosion is the action of surface processes (such as water flow or wind) that removes soil, rock, or dissolved material from one location on the Earth's crust, and then transports it to another location where it is deposited. Erosion is distin ...

, sedimentation and wind deposits.

References

External links

* Natural history of the Mojave Desert Volcanic fields of California Mountain ranges of the Mojave Desert Volcanoes of San Bernardino County, California Landforms of San Bernardino County, California Cinder cones of the United States Mojave Desert Volcanoes of California {{volcano-stub

Description

See also

References

External links