Aphanitic,phaneritic,and porphyritic are textural terms that:
A) refer to fine-grained,course-grained,and mixed-grained crystal sizes,respectively.
B) refer to formation by slow cooling,fast cooling,and mixed cooling rates,respectively.
C) are indicative of volcanic,plutonic,and mixed plutonic-volcanic origins,respectively.
D) refer to fine-grained,course-grained,and mixed-grained crystal sizes,respectively,AND are indicative of volcanic,plutonic,and mixed plutonic-volcanic origins,respectively.
E) all of these.
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