Author Question: Match the corresponding characteristics with the correct igneous rock. A) course-grained, mafic ... (Read 19 times)

codyclark · **on:** Jul 14, 2018

Match the corresponding characteristics with the correct igneous rock.

A) course-grained, mafic composition
B) glassy texture
C) ultramafic composition
D) vesicular texture
E) course-grained, felsic composition
F) fine-grained, felsic composition
G) intermediate composition
H) fine-grained, mafic composition
9) Obsidian
10) Granite
11) Basalt
12) Pumice
13) Peridotite
14) Rhyolite
15) Diorite
16) Gabbro

Question 2

Match the textural term to the correct rock.

A) nonfoliated rock with large calcite crystals
B) coarse-grained rock containing plagioclase, quartz, potassium feldspar, and hornblende
C) biochemical rock comprising shells made from calcite
D) pyroclastic rock with particles less than 4 mm in diameter
E) coarse-grained rock with large angular particles cemented with mud
F) foliated rock exhibiting banding
17) Marble
18) Breccia
19) Tuff
20) Granite
21) Coquina
22) Gneiss

wergv · **Reply #1 on:** Jul 14, 2018

Answer to Question 1

Answers: 9) B 10) E 11) H 12) D 13) C 14) F 15) G 16) A

Answer to Question 2

Answers: 17) A 18) E 19) D 20) B 21) C 22) F