High abundances of circumstellar and interstellar C-anomalous phases in the primitive CR3 chondrites QUE 99177 and MET 00426
C Floss, FJ Stadermann - The Astrophysical Journal, 2009 - iopscience.iop.org
ABSTRACT QUE 99177 and MET 00426 are the first known CR3 chondrites and have
largely escaped the aqueous alteration experienced by most of the CR chondrite group. In …
largely escaped the aqueous alteration experienced by most of the CR chondrite group. In …
Origin of isotopic diversity among carbonaceous chondrites
Carbonaceous chondrites are some of the most primitive meteorites and derive from
planetesimals that formed a few million years after the beginning of the solar system. Here …
planetesimals that formed a few million years after the beginning of the solar system. Here …
Early solar system processes recorded in the matrices of two highly pristine CR3 carbonaceous chondrites, MET 00426 and QUE 99177
NM Abreu, AJ Brearley - Geochimica et Cosmochimica Acta, 2010 - Elsevier
The mineralogy and bulk compositions of the matrices of the CR chondrites MET 00426 and
QUE 99177 have been studied using a combination of SEM, EPMA, and TEM techniques …
QUE 99177 have been studied using a combination of SEM, EPMA, and TEM techniques …
Isotopic evidence for two chondrule generations in CR chondrites and their relationships to other carbonaceous chondrites
Among primitive meteorites, CR chondrites have peculiar isotopic compositions, the origin of
which is uncertain and may have involved contributions from primordial molecular cloud …
which is uncertain and may have involved contributions from primordial molecular cloud …
Chromium isotopic insights into the origin of chondrite parent bodies and the early terrestrial volatile depletion
Chondrites are meteorites from undifferentiated parent bodies that provide fundamental
information about early Solar System evolution and planet formation. The element Cr is …
information about early Solar System evolution and planet formation. The element Cr is …
High abundances of presolar grains and 15N-rich organic matter in CO3. 0 chondrite Dominion Range 08006
Abstract NanoSIMS C-, N-, and O-isotopic mapping of matrix in CO3. 0 chondrite Dominion
Range (DOM) 08006 revealed it to have in its matrix the highest abundance of presolar O …
Range (DOM) 08006 revealed it to have in its matrix the highest abundance of presolar O …
Circumstellar and interstellar material in the CO3 chondrite ALHA77307: An isotopic and elemental investigation
We have carried out a NanoSIMS C, N and O ion imaging study of the CO3. 0 chondrite
ALHA77307. The distribution of O-anomalous grains in ALHA77307 is similar to that …
ALHA77307. The distribution of O-anomalous grains in ALHA77307 is similar to that …
Coordinated NanoSIMS and FIB-TEM analyses of organic matter and associated matrix materials in CR3 chondrites
The organic matter in the primitive CR3 chondrites QUE 99177 and MET 00426 exhibits, as
in other CR chondrites, N isotopic compositions characterized by large enrichments in 15 N …
in other CR chondrites, N isotopic compositions characterized by large enrichments in 15 N …
The CR (Renazzo-type) carbonaceous chondrite group and its implications
MK Weisberg, M Prinz, RN Clayton… - … et Cosmochimica Acta, 1993 - Elsevier
A petrologic, geochemical and oxygen isotopic study of eight meteorites, identified as CR
(Renazzo-type) chondrites, reveals that they have a set of similar properties that …
(Renazzo-type) chondrites, reveals that they have a set of similar properties that …
Matrix and whole‐rock fractionations in the Acfer 094 type 3.0 ungrouped carbonaceous chondrite
We used the electron microprobe to study matrix in the ungrouped type 3.0 carbonaceous
chondrite Acfer 094 using 7× 7‐point, focused‐beam arrays; data points attributable to …
chondrite Acfer 094 using 7× 7‐point, focused‐beam arrays; data points attributable to …