Nature and degree of aqueous alteration in CM and CI carbonaceous chondrites

@article{Takir2013NatureAD,
  title={Nature and degree of aqueous alteration in CM and CI carbonaceous chondrites},
  author={Driss Takir and Joshua P. Emery and Harry Y. McSween and Charles A. Hibbitts and Roger N. Clark and Neil C. Pearson and Alian Wang},
  journal={Meteoritics \& Planetary Science},
  year={2013},
  volume={48}
}
We investigated the petrologic, geochemical, and spectral parameters that relate to the type and degree of aqueous alteration in nine CM chondrites and one CI (Ivuna) carbonaceous chondrite. Our underlying hypothesis is that the position and shape of the 3 μm band is diagnostic of phyllosilicate mineralogy. We measured reflectance spectra of the chondrites under dry conditions (elevated temperatures) and vacuum (10−8 to 10−7 torr) to minimize adsorbed water and mimic the space environment, for… 
Characterising the CI and CI-like carbonaceous chondrites using thermogravimetric analysis and infrared spectroscopy
The CI and CI-like chondrites provide a record of aqueous alteration in the early solar system. However, the CI-like chondrites differ in having also experienced a late stage period of thermal
Aqueous Alteration Studies on Mukundpura (MK) Carbonaceous Chondrite using FTIR, TGA and Raman spectroscopy and its CM classification
FTIR measurement on MK immediately after its fall, shows a unique doublet around 10 micrometer, significantly different from many ordinary CM2 chondrites, where only a singlet around 10 micrometer is
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The mineralogy and geochemistry of Ceres, as constrained by Dawn's instruments, are broadly consistent with a carbonaceous chondrite (CM/CI) bulk composition. Differences explainable by Ceres’s more
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The surface mineralogy of dwarf planet Ceres appears to be dominated by products of rock–fluid interactions, such as phyllosilicates—some of which are NH4-bearing—and carbonates1–3. Elemental
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