Premium
The Cerro los Calvos and La Banderia chondrites
Author(s) -
Whitlock Randall,
Lewis Charles F.,
Clark James C.,
Moore Carleton B.
Publication year - 1991
Publication title -
meteoritics
Language(s) - English
Resource type - Journals
eISSN - 1945-5100
pISSN - 0026-1114
DOI - 10.1111/j.1945-5100.1991.tb01034.x
Subject(s) - chondrite , meteorite , geology , geochemistry , olivine , mineralogy , astrobiology , physics
— The Cerro los Calvos meteorite is a single stone of 68.5 g found in the Nuevo Mercurio strewn field of Zacatecas, Mexico (24°20′N, 102°8′W). It is an unusual H4 chondrite. Its olivine (Fa 12.5 ) and orthopyroxene (Fs 11.7, Wo 0.8) are reduced relative to typical H chondrites. The La Banderia meteorite of 54.3 g from the same vicinity is an LL5 chondrite of shock classification e.