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Foaliated rock can form in one or two ways. Extreme pressure may cause the mineral crystals in the rock to realign or regrow to form parallel bands. Foaliation also occurs as minerals that have different compositions separate to produce a series of alternation dark and light bands. Most nonfoliated metamorphic rocks share at least one or two main characteristics. First, the original rock that is metamorphosed may contain grains of only one mineral or contains very small amounts of other minerals.
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∙ 14y ago
kaylannlinto
- The Process. Both foliated and nonfoliated rocks begin their lives as either sedimentary, igneous or another metamorphic rock.
- Type of Pressure. If the pressure applied to the recrystallizing rock is unequal, then a foliated rock will form.
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∙ 12y agoFoliated metamorphic is when the rock texture is arranged in planes or bands. Nonfoliated is when the rock texture is not arranged in planes or bands.
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∙ 14y agoA foliated metamorphic rock is one with a strong metamorphic layering (like slate).
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∙ 12y agofoliated metamorphic describes the texture of metamorphic rock
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∙ 12y agobecause its just a question
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Metamorphic rocks that do not have distinct layers or bands?
non-foliated.
What property distinguishes foliated metamorphic rocks such as gneiss and schist from nonfoliated metamorphic rocks?
a banded texture
What are the two categories of metamorphic rocks?
Foliated--those exhibiting layering (gneiss, slate, schists), and non-foliated--without layers (marble, quartzite).
What property distinguishes foliated metamorphic rock such as gneiss and schist from nonfoliated metamorphic rocks?
A banded texture
What are the classes of metamorphic rocks?
Geologist classify metamorphic rocks according to the arrangement of the grains that make up the rocks and also it either being foliated or nonfoliated
How are foliated metamorphic rocks different from nonfoliated metamorphic rocks?
Foliated are made of interlocking crystals, non-foliated are not.
Is andesite foliated or nonfoliated?
Neither. The terms foliated and nonfoliated apply to metamorphic rocks. Andesite is igneous.
Metamorphic rocks that do not have distinct layers or bands?
non-foliated.
What property distinguishes foliated metamorphic rocks such as gneiss and schist from nonfoliated metamorphic rocks?
a banded texture
A classification of metamorphic rocks would inculde whether they are?
foliated and nonfoliated
What classification of metamorphic rocks would include whether they are?
foliated or nonfoliated
Where are foliated and nonfoliated metamorphic rocks formed?
At varying depths under the surface.
What are the two categories of metamorphic rocks?
Foliated--those exhibiting layering (gneiss, slate, schists), and non-foliated--without layers (marble, quartzite).
What are some examples of nonfoliated metamorphic rocks?
Examples of non-foliated metamorphic rocks are quartzite and marble.
What are metamorphic rocks with grains arranged randomly said to be?
They are called foliated metamorphic rocks, and are said to exhibit foliation.
What property distinguishes foliated metamorphic rock such as gneiss and schist from nonfoliated metamorphic rocks?
A banded texture
Is sandstone rock foliated or nonfoliated?
Foliation is an attribute of certain metamorphic rocks. Sandstone is a sedimentary rock that is not described as foliated or non-foliated.
