Civil Engineering - Building Materials - Discussion
Discussion Forum : Building Materials - Section 7 (Q.No. 39)
39.
Basalt is
Discussion:
6 comments Page 1 of 1.
AWAIS WAZIR said:
3 years ago
C is the correct answer.
MJM Gcek said:
4 years ago
Basalt is a mafic extrusive igneous rock.
Pavi said:
6 years ago
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. It has a composition similar to gabbro.
Prava gupta said:
7 years ago
Extrusive igneous rocks form when magma reaches the Earth's surface a volcano and cools quickly.
Most extrusive (volcanic) rocks have small crystals. Examples include basalt, rhyolite, andesite, and obsidian.
Most extrusive (volcanic) rocks have small crystals. Examples include basalt, rhyolite, andesite, and obsidian.
Anoop Boora said:
8 years ago
And Granite is intrusive igneous rock.
Deepakrawat said:
8 years ago
Basalt is an intrusive igneous rock because it found in shallow depth inside the earth.
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