Other
Scientific paper
Mar 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27..595j&link_type=abstract
Lunar and Planetary Science, volume 27, page 595
Other
2
Chondrites: Rumuruti, Chondrites: Unequilibrated, Impact Melt: Fragments, Isotopes: Oxygen, Regolith: Breccia
Scientific paper
The Rumuruti (R) chondrite group has a new member, Dar al Gani 013. Like most R-chondrites Dar al Gani 013 is a chondritic breccia consisting of various types of lithic and mineral clasts embedded in a fine-grained, olivine-rich matrix. These include highly unequilibrated type <3.5 clasts, type 4 and type 6 fragments, brecciated clasts and impact melt fragments. The oxygen isotope composition of Dar al Gani 013 shows high delta ^17O (5.38) and high delta ^18O (5.88) values. These data are very similar to those of Acfer 217 another Saharan R-chondrite. In the delta ^17O vs. delta ^18O-diagram they lie directly side by side. Based on the find locations and on significant petrographic differences these two meteorites are not paired. The chemical composition of Dar al Gani 013 is given by Palme et al.
Bischoff Addi
Clayton Robert N.
Jäckel Annette
Mayeda Toshiko K.
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