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Raman spectroscopy of shocked gypsum from a meteorite impact crater
International Journal of Astrobiology
Impact craters and associated hydrothermal systems are regarded as sites within which life could originate on Earth, and on Mars. The Haughton impact crater, one of the most well preserved craters on Earth, is abundant in Ca-sulphates. Selenite, a transparent form of gypsum, has been colonized by viable cyanobacteria. Basement rocks, which have been shocked, are more abundant in endolithic organisms, when compared with un-shocked basement. We infer that selenitic and shocked gypsum are moredoi:10.1017/s1473550416000367 fatcat:dj5pcyqwgncitcp6t7o7tcv3zq