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What type of igneous rock has two distinct grain sizes, indicating two stages of cooling? A. phaneritic B. aphanitic C. porphyritic D. glassy
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What type of igneous rock has two distinct grain sizes, indicating two stages of cooling? A. phaneritic B. aphanitic C. porphyritic D. glassy
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Jun 23, 2018
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What type of igneous rock has two distinct grain sizes, indicating two stages of cooling?
A. phaneritic
B. aphanitic
C. porphyritic
D. glassy
Biology
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TC Zhang
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it is C Porphyritic ;)
Sundiata
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Jun 26, 2018
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Sundiata
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