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Most simply, rocks are classified by how they are formed:
- igneous rocks are made by the setting of molten magma or lava
- sedimentary rocks are made when grains weathered from existing rocks settle to the bottom of water bodies, then get buried and compressed into rocks
- metamorphic rocks are made by the effects of heat and pressure on existing rocks, which cause them to recrystallise without melting.
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Are sedimentary rocks classified tofoliated sedimentary rocks?
Metamorphic rocks are classified by foliation or lack there of, not sedimentary rocks. They are classified into Clastic Sedimentary, and Chemical Sedimentary.
How are rocks physically classified?
they are classified into 3 major kinds of rocksthey are the ;IGNEOUS ROCKS,SEDIMENTARY ROCKS,AND METAMORPHIC ROCKS
How can sedimentary rocks can be classified?
sedimentary rocks can be classified by detrial, chemical ,or organic
How are sedimentary rocks classified?
classified by weathering
What is metamorphic rocks are classified according to?
They are classified by their composition.
How are igneous rocks classified acording to their..?
Igneous rocks are classified by either being intrusive or extrusive, then mafic or felsic then they are classified by either fine grain or course grained textures.
Four criteria governments can be classified as?
The four criteria used to classify a government are who is a regulator, who is a provider, who has power, and who hold restrictions. A monarchy would be classified by asking who has the power?
How are intrusive classified?
Intrusive features are typically classified as plutonic rocks, especially inside of a volcano. Comparatively, extrusive features are also classified as volcanic rocks.
How are intrusive features classified?
Intrusive features are typically classified as plutonic rocks, especially inside of a volcano. Comparatively, extrusive features are also classified as volcanic rocks.
What rocks are classified as?
Mantle rock is classified as ultramafic igneous rock.
Besides being classified by their compositions how else are rocks classified?
by their texture. : )
Metamorphic rocks are classified into two groups?
The two main groups metamorphic rocks are classified are foliated rocks (meaning they have "bands"), and there are non-foliated rocks.
