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How is the size of the mineral grains affect by the rate at which molten rock material rock?
The slower the rate of cooling the larger the size of the crystals that can develop.
What are the grains of a rock-?
The grains of a rock are the individual mineral particles that make up the rock's composition. These grains can vary in size, shape, and color, depending on the type of rock and the process by which it was formed. Fine-grained rocks have smaller grains, while coarse-grained rocks have larger grains.
What rock has large mineral grains?
Fine grains of rocks are referred to as "clasts." The word "clast" comes from the Greek word "klastos," meaning "broken."
What term denotes the larger mineral grains in a porphyritic igneous rock?
Phenocrysts are the larger mineral grains in a porphyritic igneous rock. These crystals are surrounded by a finer-grained matrix known as the groundmass. The presence of phenocrysts helps in understanding the cooling history of the rock.
What rock has parallel bands of dark and light mineral grains?
Gneiss is a type of rock that has parallel bands of dark and light mineral grains. These bands are a result of the rock being subjected to high temperatures and pressures during its formation, causing the minerals to align in distinct layers.
If you found a rock with flat mineral grains which rock would it be?
It is likely a type of metamorphic rock, such as schist or gneiss, which form under high temperature and pressure conditions leading to the alignment of mineral grains into flat layers.
How is the size of the mineral grains affect by the rate at which molten rock material rock?
The slower the rate of cooling the larger the size of the crystals that can develop.
Is sandstone a mineral?
No. Sandstone is not a mineral, it is a rock type.
A rock whose mineral grains are not formed in bands is called?
Rock
When a mineral grains in a metamorphic rock do not form layers the rock has a?
no texture
What are the grains of a rock-?
The grains of a rock are the individual mineral particles that make up the rock's composition. These grains can vary in size, shape, and color, depending on the type of rock and the process by which it was formed. Fine-grained rocks have smaller grains, while coarse-grained rocks have larger grains.
When mineral grains in a metamorphic rock do not form layers the rock has what texture?
no texture
What kind of metamorphic rock has its mineral grains arranged in planes of bands?
Metamorphic rock with mineral grains arranaged in bands or lamellar planes are called foliated metamorphic rocks.
What is loose material consisting of rock or mineral grains?
Sand
What rock has large mineral grains?
Fine grains of rocks are referred to as "clasts." The word "clast" comes from the Greek word "klastos," meaning "broken."
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 Metamorphic rock that lacks mineral grains with long axes in one direction?
The metamorphic rock that lacks mineral grains with long axes in one direction is called marble. Marble is formed from the metamorphism of limestone or dolomite, and its grains do not exhibit a preferred orientation or alignment. It often has a smooth and uniform appearance, making it a popular material for sculptures and architectural purposes.
