Carbonaceous chondrites, generally considered to be the most primitive surviving materials
from the early solar system, form a distinctive group in terms of bulk Mg/Si, Ca/Si, and Al/Si …

Detailed study of the petrographic and chemical properties of carbonaceous chondrites
shows that the four distinct petrographic subtypes may be related to one of two distinct …

C3 (O) chondrites comprise a metamorphic sequence. The following order reflects
increasing grade: Kainsaz. Felix. Ornans. Lance. Isna, Warrenton. Assignment of Karoonda …

Bulk chemical compositions of matrix material in Antarctic CM chondrites and other non-
Antarctic CM and CI chondrites have been determined using microprobe defocused beam …

New analytical data combined with recent studies by other researchers allow the definition
of a Renazzo (CR) group of carbonaceous chondrites. We analyzed nine CR chondrites …

Bulk chemical compositions of the various petrographie types of chondrules and inclusions
in Type 3 carbonaceous chondrites (excluding those affected by metamorphism) have been …

Twenty carbonaceous chondrites were analyzed by instrumental and radiochemical neutron
activation analysis for Na, Mg, Al, K, Ca, Sc, V. Cr, Mn. Fe, Co, Ni, Zn, Ga, Ge, As, Se. Br. Ru …

The degree of compositional variation of fine-grained minerals displayed by the members
within any carbonaceous chondrite group (ie, CI, CM, CV, CR) is a direct reflection of the …

Petrographie and bulk compositional data reveal the existence of a new group of
carbonaceous chondrites consisting of the observed fall, Karoonda, one large find from …

Abstract Seven carbonaceous chondrites (Allan Hills A77307, Adelaide, Al Rais, Coolidge,
Grosnaja, Karoonda and Renazzo) with uncertain classifications were analyzed by …