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Granite, Basalt, Gabbro, and Obsidian
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∙ 14y ago
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Are igneous rocks the most common rocks?
Igneous rock is by far the most common rock of the crust.
Which type of rocks are most abundent on earth?
Igneous rocks are the most common type of rocks on earth.
What type of rock contains no fossils?
Igneous rocks and most metamorphic rocks, of an igneous origin.
What property is common to most dark-colored igneous rocks?
Most dark-colored igneous rocks have a high density.
What property is common to most dark colored igneous rocks?
Most dark-colored igneous rocks have a high density.
How are minerals arranged in igneous rocks?
Most igneous rocks have a relatively homogenous mix of minerals which are interlocked.
What type of rocks is graphite found in?
Graphite can be found in all types of rock (igneous, metamorphic, and sedimentary). Although, it originates from igneous rocks, and is generally most economic in metamorphic rocks.
Why sedimentary rocks are found as a veneer covering large areas of continental igneous rock?
Sedimentary rocks are the result of broken down igneous rocks so they cover up most of igneous rocks.
How can you determine if a igneous rock has had an intrusive or extrusive origin?
== Grain size. Most intrusive igneous rocks will have visible crystals. Crystals in most extrusive igneous rocks are not easily visible.
What kind of rocks make up most of the igneous group?
Basalt and other dark colored igneous rocks are the most with % of 66% and granite and other light to medium colored igneous rocks fill the other half with 44%
What rocks are formed belows Earth's surface?
Most sedimentary rocks, most metamorphic rocks, and intrusive igneous rocks.
Which igneous rocks are fine grained to due to fast cooling?
Extrusive igneous rocks are fine grained due to fast cooling. They cool at a faster rate than most igneous rocks.
