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When mineral grains in a metamorphic rock do not form layers the rock has what texture?
no texture
What texture does and extrusive igneous rock have?
fined grain texture
What type of rock is slate?
A metamorphic rock.
What is a non-foliated contact metamorphic rock called?
A non-foliated contact metamorphic rock is called a hornfels. Hornfels is called so because of its exceptional toughness and texture both reminiscent of animal horns.
What is a rock's texture?
The texture of a rock consists of it's grain or mineral crystal size, the arrangement of the grains or crystals, and the degree of uniformity of the grains or crystals. Examples of rock texture would be: * Coarse grained--visible crystals or grains as in granite. * Fine grained--small grains, invisible to the unaided eye as in shale. * Porphyritic--large visible crystals in a fine grained matrix as in granite porphyry. * Schistose--layers of flattened micaceous minerals such as in mica schist. * Foliated--a metamorphic rock texture of parallel mineral banding as in gneiss. * Homogenous--same grain apperance in all directions as in basalt.
What type of metamorphic rock has a grain texture?
Because of the gravity ..
Which is metamorphic rock has a nonfoiled texture?
Limestone is a metamorphic rock. Limestone is also has non-foiled texture.
Is Gneiss a sedimentary metamorphic or igneous rock?
Gneiss is a metamorphic rock that forms from the recrystallization of pre-existing rocks under high temperature and pressure conditions. It is characterized by its banded texture and coarser grain size compared to other types of metamorphic rocks.
Which metamorphic rock had a nonfoliated texture?
Quartzite
How do you describe a metamorphic rock?
a foliated rock is a metamorphic rock with a texture that gives the rock a layered appearance.
When mineral grains in a metamorphic rock do not form layers the rock has what texture?
no texture
Does the rocks pigments give the rock its texture?
No, the texture of a rock is determined by its mineral composition, grain size, and how the rock formed (igneous, sedimentary, or metamorphic). Pigments refer to the coloration of a rock, which can be caused by the presence of specific minerals or impurities. Texture and pigmentation are separate characteristics of rocks.
What determines is a rock is metamorphic?
by the texture
Texture term for metamorphic rock which lack banding?
The Texture term for metamorphic rock which are not banded or layered is non-foliated metamorphic rock. Good examples are marble and quartzite.
When a mineral grains in a metamorphic rock do not form layers the rock has a?
no texture
What texture does and extrusive igneous rock have?
fined grain texture
A metamorphic rock that has grains arranged in parallel layers has a what texture?
It has a foliated texture.
