Igneous rock. Letters A, B, and C represent three different minerals in the rock sample. The table Base your answers to question 10 on the diagram and table below. The diagram represents a felsic
describes the physical properties of minerals A, B, and C found in the igneous rock sample.
Key
Mineral
A
B
с
Physical Properties
pink, cleaves in two directions at 90°
white, cleaves in two directions, striations visible
colorless or clear with a glassy luster
(Actual size)
10.a) State the texture of this igneous rock. Course nonvesialar, big crystals
b) State two processes responsible for the formation of an igneous rock.
1)_Corling
2 solidification
c) Using the Properties of Common Minerals chart (see page 207), give the name of:
Mineral A
Mineral B
Volcanic
Mineral c Obsidian
11. What is the difference between the composition of felsis and mafic igneous