Ancient Cosmic Dust from Triassic Halite

Davidson, J.; Genge, M. J.; Mills, A. A.; Johnson, D. and Grady, M. (2007). Ancient Cosmic Dust from Triassic Halite. In: 38th Lunar and Planetary Science Conference, 12-16 Mar 2007, Houston, Texas, USA.



We describe the discovery of fossil micrometeorites in ancient Triassic rock salt; the first to be found in salt and the oldest complete micrometeorites found to date. We present an estimated flux rate of micrometeorites to Earth at this time.

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