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What are rocks called with alternating bands of light and dark silicate minerals?
Rocks with alternating bands of light and dark silicate minerals are called gneiss. Gneiss is a metamorphic rock formed under high temperature and pressure conditions, which causes the minerals within it to align in bands or layers.
What determines whether a metamorphic is foliated or non- foliated?
The presence of aligned minerals in the rock determines if it is foliated or non-foliated. Foliated metamorphic rocks have minerals that are arranged in layers or bands, while non-foliated rocks do not show any preferred orientation of minerals. The amount of pressure and temperature the rock experiences during metamorphism also influences whether it will develop a foliated or non-foliated texture.
How does a foliated metamorphic rock form?
Foliated metamorphic rocks form through directed pressure and heat acting on existing rocks, causing minerals to align in a preferred orientation. This alignment creates distinct layers or bands within the rock, giving it a foliated texture. Examples of foliated metamorphic rocks include schist, gneiss, and slate.
Metamorphic rocks having a banded or striped appearance?
Metamorphic rocks with a banded or striped appearance are called foliated rocks. These bands or stripes are formed due to the alignment of mineral grains or the presence of alternating layers of different minerals. Examples of foliated metamorphic rocks include gneiss, schist, and slate.
What type of rock texture results when extreme pressure causes minerals in metamorphic rock to realign or when minerals separate out into dark and light bands?
I do believe that the answer is "foliated". However I am not positive, but I do know that... Banding is another word for foliation, which is the grouping of certain minerals with the rock forming parallel bands that are perpendicular to the pressure that causes its formation. Banding of different minerals give some metamorphic rocks a striped appearance, involving the segregation of light and dark minerals into layers. Good luck with your question and I hope that this information has helped.
What is metamorphic rocks that have parellel bands of minerals?
It is foliated
Do all foliated metamorphic rocks have bands of minerals?
i believe they do yes.
What are rocks called with alternating bands of light and dark silicate minerals?
Rocks with alternating bands of light and dark silicate minerals are called gneiss. Gneiss is a metamorphic rock formed under high temperature and pressure conditions, which causes the minerals within it to align in bands or layers.
What kind of metamorphic has its minerals grains arrange in planes or band?
Metamorphic rock with mineral grains arranaged in bands or lamellar planes are called foliated metamorphic rocks.
What are metamorphic rocks that have banded appearance due to alignment of materials called?
Metamorphic rocks that have a banded appearance due to the alignment of minerals are called foliated metamorphic rocks. This banding occurs as a result of directional pressure during metamorphism, causing the minerals to realign and form distinct layers or bands. Common examples of foliated metamorphic rocks include schist and gneiss.
Metamorphic rocks that do not have distinct layers or bands?
non-foliated.
What determines whether a metamorphic is foliated or non- foliated?
The presence of aligned minerals in the rock determines if it is foliated or non-foliated. Foliated metamorphic rocks have minerals that are arranged in layers or bands, while non-foliated rocks do not show any preferred orientation of minerals. The amount of pressure and temperature the rock experiences during metamorphism also influences whether it will develop a foliated or non-foliated texture.
How does a foliated metamorphic rock form?
Foliated metamorphic rocks form through directed pressure and heat acting on existing rocks, causing minerals to align in a preferred orientation. This alignment creates distinct layers or bands within the rock, giving it a foliated texture. Examples of foliated metamorphic rocks include schist, gneiss, and slate.
A metamorphic rock with visible layers or bands is said to be what?
A metamorphic rock with visible layers or bands is said to be foliated. The layers are due to the alignment of minerals or the presence of alternating light and dark bands. Examples of foliated metamorphic rocks include slate, schist, and gneiss.
What are metamorphic rocks that have a banded appearance due to the alignment of minerals called?
Metamorphic rocks that have a banded appearance due to the alignment of minerals are called foliated metamorphic rocks. This banding occurs when pressure causes the minerals to align perpendicular to the direction of the stress, creating distinct layers or bands. Common examples include schist and gneiss. The foliation reflects the mineral composition and the conditions under which the rock was formed.
Is metamorphic a type of mineral?
Metamorphic is a group of rocks with similar characteristics. There are minerals in the rocks so they could be considered made of minerals but they are not minerals themselves.
Which type of rock is foliated?
Foliated rocks are typically metamorphic rocks that have undergone deformation and recrystallization due to high pressure and temperature, resulting in the alignment of minerals in bands or layers. Common examples of foliated rocks include schist, gneiss, and slate.
