0
Igneous rocks are formed by the cooling of lava (above Earth's surface) or magma (below). Rocks in general are classified by their mineral composition, texture, and origin. Igneous rocks all have the origin of molten material, there are two categories within this: intrusive and extrusive. Intrusive rocks formed below earth's surface and extrusive rocks above. Their mineral composition varies greatly and depends on each individual rock. The classification of igneous rocks in texture is linked to their origin. The texture of a rock is defined by its grain: can you see and feel the little rocks that make it up? If you can, that rock has a coarse grain, if you can't see the bits, it is fine grained. Intrusive igneous rocks are usually fine grained; extrusive, coarse grained.
What else can I help you with?
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.
Was igneous rocks were classified by their their origin texture and shape?
No, igneous rocks are not classified by their shape. They are primarily classified based on their origin (either intrusive or extrusive) and their texture (coarse-grained, fine-grained, glassy, etc.). Shape or form is not a major factor in the classification of igneous 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 rocks physically classified?
they are classified into 3 major kinds of rocksthey are the ;IGNEOUS ROCKS,SEDIMENTARY ROCKS,AND METAMORPHIC ROCKS
what are igneous rock classified based upon?
Igneous rocks can be classified by their method of formation and by their mineralogy.
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.
Can a rock be classified as sedimentary igneous or metamorphic by its method of formation?
Yes, a rock can be classified as sedimentary, igneous, or metamorphic based on its method of formation. Sedimentary rocks form from the accumulation and cementation of sediments, igneous rocks form from the solidification of magma or lava, and metamorphic rocks form from the alteration of existing rocks due to heat and pressure.
Was igneous rocks were classified by their their origin texture and shape?
No, igneous rocks are not classified by their shape. They are primarily classified based on their origin (either intrusive or extrusive) and their texture (coarse-grained, fine-grained, glassy, etc.). Shape or form is not a major factor in the classification of igneous 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.
When molten rocks cools what rocks form?
igneous rocks
What are the main two types of igneous rocks?
Igneous rocks are classified as either extrusive or intrusive. Extrusive rocks form from lava at or above the ground, and intrusive rocks form from magma below the ground. Granite is intrusive, pumice is extrusive.
How are rocks physically classified?
they are classified into 3 major kinds of rocksthey are the ;IGNEOUS ROCKS,SEDIMENTARY ROCKS,AND METAMORPHIC ROCKS
what are igneous rock classified based upon?
Igneous rocks can be classified by their method of formation and by their mineralogy.
Igneous rocks are classified among there?
Igneous rocks are classified into two main categories: intrusive (or plutonic) and extrusive (or volcanic) rocks. Intrusive igneous rocks form from the slow cooling and solidification of magma beneath the Earth's surface, resulting in larger crystals, while extrusive igneous rocks form from the rapid cooling of lava at the surface, leading to smaller crystals. Additionally, they can be further categorized based on their mineral composition into felsic, intermediate, mafic, and ultramafic types.
What rocks are classified as?
Mantle rock is classified as ultramafic igneous rock.
Are all rocks volcanic?
No. Rocks can be classified into three general groups: Igneous rocks, which form from molten rock Sedimentary rocks, which form from broken-down rocks turned back into stone Metamorphic rocks, which form as rocks change due to heat and pressure without melting. Igneous rocks are further divided into intrusive rocks, which cool underground, and extrusive rocks, which cool above ground. Only extrusive igneous rocks are considered volcanic.
Igneous rocks that result when lava solidifies are classified as what?
Igneous rocks that result from lava solidifying above ground are classified as extrusive igneous rocks. These rocks cool quickly, leading to small mineral grains and a fine-grained texture. Examples include basalt and rhyolite.
