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Lavic Lake volcanic field
The Lavic Lake volcanic field is a volcanic field with extinct cinder cones in the Mojave Desert, in San Bernardino County, California, United States. The lava field, at elevation, and its cones can be seen from historic Route 66 and from Interstate 40, between Barstow to the west and Needles to the east, and is located southeast of Ludlow, California.〔http://www.volcano.si.edu/world/volcano.cfm?vnum=1203-19- accessed 7/11/2010〕〔http://www.volcano.si.edu/world/volcano.cfm?vnum=1203-19-&volpage=photos accessed 7/11/2010〕
==Description==
The Lavic Lake volcanic field is a basaltic pahoehoe lava plain and has four Holocene (approximately 10,000 years ago) cinder cone type volcanos, three in the Lavic Dry Lake area, and a fourth located southwest in the Rodman Mountains.〔〔(【引用サイトリンク】title=Lavic Lake Volcanic Field )〕 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 is the deserts and xeric shrublands, with smaller plants growing in soil pockets formed by erosion, sedimentation and wind deposits.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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