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What kind of rocks make up most of the igneous group?
Most igneous rocks are formed from two main types of rocks: basalt and granite. Basalt is a fine-grained, dark-colored rock that forms from rapidly cooled lava, while granite is a coarse-grained, light-colored rock that forms from slowly cooled magma beneath the Earth's surface.
What is the dark colored igneous rock with rich in iron and magnesium?
The dark-colored igneous rock rich in iron and magnesium is called basalt. Basalt is a fine-grained rock that is commonly found in volcanic areas and oceanic crust. It is characterized by its dark color due to the presence of minerals like pyroxene and olivine.
What is a dark colored low silica rock?
Basalt is a dark-colored, low-silica igneous rock commonly found as a result of volcanic activity. Its composition typically contains around 50% silica, making it relatively low in silica compared to other igneous rocks like granite.
What is the difference between trap rock and granite rock?
Traprock is any of the various, dark-colored, fine-grained igneous rocks, such as basalt, that is primarily used as crushed rock for road construction. Granite rock on the other hand, is any of the various light-colored, coarse-grained igneous rocks that is used in building construction and architectural design.
What is a dark colored rock with a relatively low silica content?
If it is also an igneous rock, it would be described as a mafic rock, like basalt. There are many other rocks, not necessarily igneous, that would also fit this description.
How does the density of a light colored igneous rock differ from that of a dark colored igneous rock?
Normally, light colored igneous rocks are less dense compared to dark colored igneous rocks. This is because the light colored rocks have a less iron in them.
How does the density of a light colored rock differ from the density of dark colored rock?
Normally, light colored igneous rocks are less dense compared to dark colored igneous rocks. This is because the light colored rocks have a less iron in them.
In general how does the density of a light colored igneous rock differ from that of a dark colored igneous rock?
Light-coloured igneous rocks, such as granite, have a higher silica content and lower iron and magnesium than darker ones, such as basalt. Since iron and magnesium are very dense minerals, this makes darker igneous rocks more dense than lighter ones.
What is an example of an igneous rock besides granite and pumice and obsidian?
The word "igneous" comes from the Greek word for fire. Two other igneous rocks are Basalt dark grey to black, and Gabbro dark grey to black.
Which igneous rock has a dark color?
Mafic
What kind of rocks make up most of the igneous group?
Most igneous rocks are formed from two main types of rocks: basalt and granite. Basalt is a fine-grained, dark-colored rock that forms from rapidly cooled lava, while granite is a coarse-grained, light-colored rock that forms from slowly cooled magma beneath the Earth's surface.
What is an intrusive igneous rock that is dark colored?
gabbro
What igneous rock is dense and has dark color?
aids
Balstic rock will form what color on igneuus rock?
Dark colored igneous rock
What is the dark colored igneous rock with rich in iron and magnesium?
The dark-colored igneous rock rich in iron and magnesium is called basalt. Basalt is a fine-grained rock that is commonly found in volcanic areas and oceanic crust. It is characterized by its dark color due to the presence of minerals like pyroxene and olivine.
What is dark fine-textured rock?
Could be basalt, an extrusive igneous rock.
Is basalt a dark and green igneous rock?
Basalt is a dark-colored igneous rock that ranges from black to dark green in color. It is commonly found in volcanic areas and is rich in iron and magnesium minerals.
