Q114
Rocks which are formed by the solidification of lava on the earth's surface are ________
A.
Sandstone
B.
Limestone
C.
Granites
D.
Basalts
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Rocks which are formed by the solidification of lava on the earth's surface are Basalts. Basalt is a dark-colored, fine-grained, igneous rock composed mainly of plagioclase and pyroxene minerals. It most commonly forms as an extrusive rock, such as a lava flow, but can also form in small intrusive bodies, such as an igneous dike or a thin sill.