Deflation and Meteorite Exposure on Playa Lakes in the Southwestern United States: Unpaired Meteorites at Lucerne Dry Lake, California

Details Deflation and Meteorite Exposure on Playa Lakes in the Southwestern United States: Unpaired Meteorites at Lucerne Dry Lake, California Deflation and Meteorite Exposure on Playa Lakes in the Southwestern United States: Unpaired Meteorites at Lucerne Dry Lake, California

Jan 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000lpico.997...74v&link_type=abstract

Workshop on Extraterrestrial Materials from Cold and Hot Deserts, p. 74

Other

Meteorites, Mojave Desert (Ca), Crusts, Sediments, Rocks, Playas, Lakes, Vegetation, Alkalies, Deserts, Valleys

Scientific paper

Numerous dry lakes (playas) dot the Mojave Desert in Southern California and adjacent desert regions in Nevada and Arizona. Most have been significantly affected by deflation processes aided by the lack of protective vegetation and occurrence of fine-grained sediments. Meteorites have been found on several playas including Lucerne Dry Lake,Rogers (formerly Muroc) Dry Lake, Rosamond Dry Lake, Roach Dry Lake, Alkali Dry Lake, and an unnamed dry lake near the town of Bonnie Claire in Nye County, Nevada. Unpaired meteorites have been found near one another on the same playa. Since 1963, 17 meteorite specimens (1.2-37.4 g), collectively called Lucerne Valley, have been found on Lucerne Dry Lake. Most appear to be completely covered with fusion crust, suggesting that their small size is due to fragmentation in the atmosphere and not to terrestrial weathering. The collection of meteorites on Lucerne Dry Lake is aided by the paucity of terrestrial rocks coarser than small pebbles; this is unusual for dry lakes in the region. Sixteen of the meteorite specimens from Lucerne Dy Lake were available for analysis.

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