Archive for February 23rd, 2019

Primordial, thermal, and shock features of ordinary chondrites: Emulating bulk X‐ray diffraction using in‐plane rotation of polished thin sections

23/02/2019 19:41 · by karmaka · in H, L, LL, ordinary chondrite, shock metamorphism, thermal metamorphism

Naoya Imae, Makoto Kimura, Akira Yamaguchi, Hideyasu Kojima Meteoritics & Planetary Science First Published: 22 February 2019 LINK “Using an X‐ray diffractometer, powder‐like diffraction patterns were acquired from in‐plane rotation of polished thin sections (PTSs)…

The Maribo CM2 meteorite fall—Survival of weak material at high entry speed

23/02/2019 19:37 · by karmaka · in carbonaceous chondrite, CM, meteor/meteoroid/bolide, witnessed fall

Jiří Borovička, Olga Popova, Pavel Spurný Meteoritics & Planetary Science First Published: 22 February 2019 LINK “High entry speed (>25 km s−1) and low density (<2500 kg m−3) are the two factors that lower the…