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rock > aphanitic rock > microcrystaline rock
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microcrystaline rock
subjectfact 
microcrystaline rockis a kind of aphanitic rock2000-12-14 14:18:20.0
has definition2000-12-14 14:18:20.0
has grain size 0.01 to 0.1 mm2000-12-14 14:18:20.0
rockhas part mineral2000-12-14 14:18:20.0
has texture2000-12-14 14:18:20.0
has genesis2000-12-14 14:18:20.0