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OpenStudy (dr.gray):
Another name for the texture made of extra-large crystals is _____. A. aphanitic B. phaneritic C. pegmatitic D. porphyritic
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OpenStudy (anonymous):
I will help you, but give me what you think the answer should be
OpenStudy (beautifulmystery.):
porphyritic is the answer
OpenStudy (beautifulmystery.):
Porphyritic Rock. Porphyritic rock is igneous rock which is characterized by large crystals surrounded by a background of material with very small crystals. The scenario for the production of such rocks involves the formation of certain types of mineral crystals over a long period deep in the earth.
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