ANHYDRITE Anhydrite is an evaporative sedimentary rock, formed when a very salty brine containing a large percentage of calcium sulfate evaporates in hot conditions. These conditions allow the precipitation of the mineral anhydrite instead of the hydrated mineral gypsum. |
See Steve's video interview about asteroid capture at Moonandback: Part 1 Part 2 Part 3 |
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See Steve's blog Ramblings On The Future Of Humanity (recent post) A Project Plan for Space Based Solar Power
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