NASA NTRS · 20140000729
Early Solar System Cryovolcanics in the Laboratory
Abstract
Two thermally-metamorphosed ordinary chondrite regolith breccias, Monahans 1998 (H5) and Zag (H3-6) contain fluid inclusion-bearing halite (NaCl) crystals, dated by K-Ar, Rb-Sr and I-Xe systematics to be approx. 4.5 billion years old. Heating/freezing studies of the aqueous fluid inclusions demonstrated that they were trapped near 25 C, and their continued presence in the halite grains requires that their incorporation into the H chondrite asteroid was post metamorphism.
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Zolensky, M., Fries, M., Bodnar, R., Yurimoto, H., Itoh, S., Steele, A., Mikouchi, T., Hagiya, K., Ohsumi, K., Le, L., Rahman, Z.. 2013-07-29. Early Solar System Cryovolcanics in the Laboratory. https://ntrs.nasa.gov/citations/20140000729
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