Which igneous texture indicates two, distinctly different sizes of mineral grains?
A) aphanitic
B) porphyritic
C) phaneritic
D) glassy
Correct Answer:
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Q50: Lava flows are typically finer grained than
Q51: Which of the following best describes an
Q52: Match the description with the appropriate texture.
-_
Q53: Name the texture that requires a magnifying
Q54: A(n)_ texture would be most unlikely to
Q56: Vesicles are _.
A)cavities or bubble-shaped holes formed
Q57: Which of the following are used for
Q58: The main factors which directly govern the
Q59: Light coloured aphanitic rocks _.
A)always form deep
Q60: In what texture are mineral grains of
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