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When molten rock cools slowly, it will have a lot of time to form crystals, so the crystal size will be quite big. Take granite, for example. With the naked eye, you can see the individual crystals. The grain size is quite large.
The kind of mineral that forms is dependent on the composition of the magma.
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What is grain according to geologists?
Grain refers to particle or crystal size in rock.
Do large grain rocks form from lava or magma?
Large grain rocks, such as granite, form from magma as it cools slowly beneath the Earth's surface. This slow cooling allows for the growth of large mineral grains within the rock. Rocks formed from lava, such as basalt, typically have much smaller grain sizes due to the rapid cooling at the Earth's surface.
What happens to the grain when igneous rock cools more quickly and solidifies?
it getys harder
What type of crystal grain forms when molten rocks cool slowly?
Quartz
What is the crystal grain size of dolomite?
The crystal grain size of dolomite typically ranges from very fine to fine. Dolomite is a mineral composed of calcium magnesium carbonate and is commonly found in sedimentary rocks. The size of its crystals can vary depending on the specific geological conditions under which it forms.
What type of crystal grain forms when magma cools slowly?
the crystals are large
What type of crystal grain is formed when molten rock cools slowly?
Large crystals with a coarse crystal grain texture.
What is a type of crystal grain which is formed when molten rock cools slowly?
It is mineral
Crystal grain that forms when molten rock cools quickly?
Fine
What type of crystals grain that forms when molten rock cools slowly?
Quartz
What is a 4 letter word for a type of crystal grain that forms when molten rock cools quickly?
lava
Type of crystal grain that forms when molten rocks cool slowly?
Visible or coarse.
Type or crystal grain that form when molten rock cools quickly?
Fine crystal grain.
What type of crystal texture is formed when magma cools slowly within warm rock underground?
When magma cools slowly within warm rock underground, it forms crystals with a coarse-grained texture. This type of crystal texture indicates that the minerals had time to grow larger before the magma solidified, reflecting a slow cooling process. Examples of rocks with coarse-grained textures include granite and diorite.
What is the type of crystal grain that forms when molten rock cools quickly?
Small crystal grains form from rapid cooling of magma resulting in an aphanitic rock texture.
What is the name of the crystal grain that is formed when molten rock cools slowly?
The texture of the rock product of slow cooling magma is referred to as coarse grained.
When magma cools slowly what type of grain do you get?
Large crystalline grains.
