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by their texture. : )
What else can I help you with?
How are magma and igneous rock compositions categorized?
They are classified by the amount of silica vs the amount of alkalies are in the rocks or magma.
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.
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
Besides texture how else are rocks classified?
Rocks can also be classified based on their mineral composition and how they were formed. The three major rock types are igneous (formed from cooling and solidification of magma), sedimentary (formed from accumulation and compaction of sediments), and metamorphic (formed from existing rocks that were altered by heat and pressure).
What are the 4 textures and 4 compositions about igneous rocks?
in geology
What is metamorphic rocks are classified according to?
They are classified by their composition.
Are sedimentary rocks classified tofoliated sedimentary rocks?
No, sedimentary rocks are not classified as foliated. Foliation is a textural feature found in certain types of metamorphic rocks where minerals are aligned in layers or bands due to pressure and heat. Sedimentary rocks are formed by the accumulation and cementation of sediments and do not exhibit foliation.
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.
Rocks that originated from the liquid phase are classified as?
Igneous rocks are classified as rocks that originated from the liquid phase, specifically from the cooling and solidification of magma or lava.
How are igneous metamorphic and sedimentary rocks classified?
Igneous rocks are classified based on mineral composition and texture, metamorphic rocks are classified by texture and mineral composition, and sedimentary rocks are primarily classified by their grain size and composition. These classifications help scientists understand the origin and characteristics of each type of rock.
What rocks are classified as?
Mantle rock is classified as ultramafic igneous rock.
