Heterogeneity within refractory organic matter from CM2 Carbonaceous Chondrites: Evidence from Raman spectroscopy

· by · in , , ,

Christian Potiszil, Wren Montgomery, Mark A. Sephton Earth and Planetary Science LettersVolume 574, 15 November 2021, 117149 LINK “Highlights • The refractory organic matter Raman response is indistinct from bulk meteorite.• Meteorite refractory organic matter…

Quantitative determination of the shock stage of L6 ordinary chondrites using X-ray diffraction

· by · in , , ,

Naoya Imae, Makoto Kimura American MineralogistSeptember 01, 2021, Vol.106, 1470-1479. doi:https://doi.org/10.2138/am-2021-7554 LINK “The shock stages of 14 L6 ordinary chondrites are estimated using the random X-ray diffraction patterns of polished thin section samples and the…

An evolutionary system of mineralogy, Part V: Aqueous and thermal alteration of planetesimals (~4565 to 4550 Ma)

· by · in

Robert M. Hazen, Shaunna M. Morrison American MineralogistSeptember 01, 2021, Vol.106, 1388-1419 LINK “Part V of the evolutionary system of mineralogy explores phases produced by aqueous alteration, metasomatism, and/or thermal metamorphism—relicts of ancient processes that…

Stress and strain during shock metamorphism

· by · in ,

Auriol S.P. Rae, Michael H. Poelchau, Thomas Kenkmann Icarus In Press, Journal Pre-proof, Available online 1 September 2021 LINK “Highlights • We show the orientation and magnitude of stress and strain in shock waves during…

error: