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How are foliated metamorphic rocks different from nonfoliated metamorphic rocks?
Foliated are made of interlocking crystals, non-foliated are not.
Foliated and nonfoliated are terms used to describe the texture of?
Foliated and nonfoliated are terms used to describe the texture of metamorphic rocks. Foliated rocks have a banded or layered appearance due to the alignment of minerals, while nonfoliated rocks lack this layered structure and have a more uniform texture.
What property distinguishes foliated metamorphic rocks such as gneiss and schist from nonfoliated metamorphic rocks?
a banded texture
What are the classes of metamorphic rocks?
The classes of metamorphic rocks include foliated rocks, which have a layered or banded appearance due to the alignment of minerals, and non-foliated rocks, which lack a layered structure. Foliated rocks include slate, schist, and gneiss, while non-foliated rocks include marble and quartzite.
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 non-foliated. Foliated metamorphic rocks have a layered or banded appearance due to the alignment of minerals, while non-foliated rocks do not exhibit this feature.
Where are foliated and nonfoliated metamorphic rocks formed?
At varying depths under the surface.
What are some examples of nonfoliated metamorphic rocks?
Examples of non-foliated metamorphic rocks are quartzite and marble.
What property distinguishes foliated metamorphic rock such as gneiss and schist from nonfoliated metamorphic rocks?
A banded texture
Is coal foliated or nonfoliated?
Coal is a nonfoliated metamorphic rock. It does not have a planar arrangement of minerals and lacks the distinct layering seen in foliated rocks like slate or schist.
Why is this important when trying to classify nonfoliated metamorphic rocks?
A non-foliated texture is cataclastic: the result of mechanical fracturing of rocks by the application of directional strain. The texture is chararcterised by the presence of brecciated and bent minerals and rock fragments.
Which characteristic helps identify nonfoliated metamorphic rocks?
Nonfoliated metamorphic rocks do not have a layered or banded appearance like foliated rocks. Instead, they exhibit a uniform texture and lack the alignment of minerals seen in foliated rocks. Nonfoliated rocks are typically composed of minerals that have recrystallized without forming distinct layers.
