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What is grain according to geologists?
Grain refers to particle or crystal size in rock.
What else does rock texture include besides grain size and arrangement?
Grain shape.
What rock has the finest grain size?
The rock with the finest grain size is typically shale. Shale is a sedimentary rock composed of clay particles that are less than 1/256 millimeter in diameter, giving it a very fine texture. This fine grain size allows shale to split easily into thin layers, which is a characteristic feature of the rock.
What is the Size of granite grain?
Granite is considered a coarse grained rock.
What are 3 characteristics of a rocks grain?
Three characteristics of a rock's grain include size (fine, medium, coarse), shape (angular, rounded), and sorting (well-sorted, poorly sorted). These characteristics can provide information about the rock's origin and history.
What is a small grain size rock?
clay
What sedimetary rock has the smallest grain size?
Shale is a sedimentary rock that typically has the smallest grain size due to its fine-grained and compacted nature.
What is grain according to geologists?
Grain refers to particle or crystal size in rock.
What is the grain size of an extrusive igneous?
The grain size of an extrusive igneous rock is typically fine-grained to aphanitic, meaning the individual mineral grains are not visible to the naked eye. This rapid cooling at the Earth's surface prevents large crystals from forming, resulting in a fine texture.
What are 3 characteristics of a rock?
1.Grain Size 2.Grain Shape 3.Grain Pattern
What else does rock texture include besides grain size and arrangement?
Grain shape.
Which features tells you how large the grains of a sedimentary rock are?
The size of the grains in a sedimentary rock can be determined by examining the texture of the rock. Coarser grains indicate a larger grain size, while finer grains indicate a smaller grain size. Other features that can provide clues to grain size include the sorting (uniformity of grain sizes) and rounding of the grains.
What rock has the finest grain size?
The rock with the finest grain size is typically shale. Shale is a sedimentary rock composed of clay particles that are less than 1/256 millimeter in diameter, giving it a very fine texture. This fine grain size allows shale to split easily into thin layers, which is a characteristic feature of the rock.
How does texture affect grain size in rock?
It doesn't. The grain size effects the texture. If a rock has a small grain size, it will have a smooth texture. If the grain size is large, such as pebbles, the texture will be rough. For example, siltstone is one of the smoothest rocks because it contains silt particles, which are .0004cm to .006cm. Conglomerate though contains various particles including cobbles and boulders, which are from 10cm to 100cm.
Wind mostly erodes pieces of rock that are what size?
the size of a sand grain or smaller
What are the grains of rock?
Grains: Grains that are not crystals in rock do not have flat shiny faces. They are rounded, like grain of sand, or jagged, like a piece of broken rock. Grain Size: Grain size in rocks can mean the size of crystal grains or of fragments: Coarse Grained: most of the rock is made of grains as largeas rice, or larger.
What are the size shape and positions of the grain that makes up a rock?
These characteristics determine a rock's texture.
