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PHYLLITE Phyllite is a metamorphic rock resulting from the low grade metamorphism of slate. Phyllite is strongly layered, and may be split along these layers. More extreme metamorphism would result in a gneiss (visible layers that do not split), or a schist (no layering). |
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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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