Author Question: Aphanitic, phaneritic, and porphyritic are terms that indicate ____, respectively. A)fine-grained, ... (Read 39 times)

gonzo233 · **on:** Jul 13, 2018

Aphanitic, phaneritic, and porphyritic are terms that indicate ____, respectively.
A)fine-grained, course-grained, and mixed grained crystal sizes
B)formation by fast cooling, slow cooling, and mixed cooling rates
C)plutonic, volcanic, and mixed plutonic-volcanic origins
D)course-grained, fine grained, and mixed grained crystal sizes
E)Mixed-grain, course-grained, and fine-grained crystal sizes

Question 2

Sandstone-carbonate-shale assemblages occur along continental rift margins and intracratonic basins.
Indicate whether the statement is true or false