Carbon-rich aggregates in type 3 ordinary chondrites: Characterization, origins, and thermal history

AJ Brearley - Geochimica et Cosmochimica Acta, 1990 - Elsevier
Carbon-rich aggregates from 3 type 3.4–3.6 ordinary chondrites and 2 chondritic clasts have
been characterized in detail using transmission electron microscope techniques. The …

Formation processes of compound chondrules in CV3 carbonaceous chondrites: Constraints from oxygen isotope ratios and major element concentrations

T Akaki, T Nakamura - Geochimica et Cosmochimica Acta, 2005 - Elsevier
We found thirty compound chondrules in two CV3 carbonaceous chondrites. The
abundance in each meteorite relative to single chondrules is 29/1846 (1.6%) in Allende and …

Chemical and petrographic constraints on the origin of chondrules and inclusions in carbonaceous chondrites

HY McSween Jr - Geochimica et Cosmochimica Acta, 1977 - Elsevier
Bulk chemical compositions of the various petrographie types of chondrules and inclusions
in Type 3 carbonaceous chondrites (excluding those affected by metamorphism) have been …

New petrographic and trace element data on thermally metamorphosed carbonaceous chondrites

ME Lipschutz, ME Zolensky, MS Bell - Antarctic Meteorite …, 1999 - nipr.repo.nii.ac.jp
Mineral grains and matrix of heated chondrites Yamato (Y)-82162, Belgica (B)-7904, Y-
86720, and Asuka (A)-881655 were examined for major elements and, where appropriate …

Chemical and petrographic correlations among carbonaceous chondrites

WR Van Schmus, JM Hayes - Geochimica et Cosmochimica Acta, 1974 - Elsevier
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 …

Petrology of types 4–6 carbonaceous chondrites

ERD Scott, J Taylor - Journal of Geophysical Research: Solid …, 1985 - Wiley Online Library
We have studied the petrology of three type 4 carbonaceous chondrites, Coolidge,
Karoonda, and Pecora Escarpment 82500, which was previously classified as an LL6 …

The compositional classification of chondrites: V. The Karoonda (CK) group of carbonaceous chondrites

GW Kallemeyn, AE Rubin, JT Wasson - Geochimica et Cosmochimica Acta, 1991 - Elsevier
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 …

Acfer 182 and paired samples, an iron-rich carbonaceous chondrite: Similarities with ALH85085 and relationship to CR chondrites

A Bischoff, H Palme, L Schultz, D Weber… - … et Cosmochimica Acta, 1993 - Elsevier
Three samples of a new, Fe-rich chondrite were found in the Sahara in 1990 and 1991
(Acfer 182, Acfer 207, Acfer 214). The samples are paired and the meteorite will be …

The compositional classification of chondrites: III. Ungrouped carbonaceous chondrites

GW Kallemeyn, JT Wasson - Geochimica et Cosmochimica Acta, 1982 - Elsevier
Abstract Seven carbonaceous chondrites (Allan Hills A77307, Adelaide, Al Rais, Coolidge,
Grosnaja, Karoonda and Renazzo) with uncertain classifications were analyzed by …

Chromite and olivine in type II chondrules in carbonaceous and ordinary chondrites: Implications for thermal histories and group differences

CA Johnson, M Prinz - Geochimica et Cosmochimica Acta, 1991 - Elsevier
Analyses of chromite and olivine in type II chondrules in CM, CO, CV, CR, H, L, LL, and two
ungrouped chondrites indicate that chromites are extremely sensitive indicators of thermal …