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The composition of the magma or lava that it cools from.
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∙ 13y ago
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When silica is in a rock does it make it lighter or darker?
Generally, igneous rocks with more silica are lighter in color.
What is an igneous rock composed of calcium carbonate?
Carbonatite is an igneous rock composed of more than 50% Calcium Carbonate.
What rock type is aluminum?
igneous rocks
How was the rock obsidian made?
Obsidian is a volcanic or igneous rock. It is formed when lava dries up.
Uses for rhyolite?
Rhyolite is a fine grained textured igneous rock. Fine grained igneous rocks form rapidly at the surface, their crystals are to small to be seen by an unaided eye.
What characteristics determines the chemical composition of an igneous rock?
An igneous rock is any crystalline or glassy rock that forms from cooling of a magma. Color and texture help determine the chemical composition of the rock.
What size of rock texture refers to igneous rock?
The size of the mineral crystals in an igneous rock determines the rock's texture.
What determines the texture of an igneous rock'?
the rate the melted rock cools
What is igneous rock color mainly determined by?
An igneous rock's color is mainly determined by its silica content.
Relationship between silica content and overall color of igneous rock?
They both are the color of an igneous rock.
What determines the mineral grain size in an igneous rock?
The cooling rate of the rock.
What color will igneous rock with high levels of silica be?
An igneous rock with a high level of silica will have a light color.
What color rock is syenite?
Igneous Rock
How is the color of an igneous rock?
Any type of color it depends on the facture of the rock..................
What is an igneous rocks color determined by?
An igneous rock's color is mainly determined by its silica content.
What is an igneous rocks color mainly determined by?
An igneous rock's color is mainly determined by its silica content.
What determines how large the crystals in an igneous rock will be?
How fast the magma or lava cooled. How fast the rock cooled
