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A crystal is a homogeneous solid substance that has a natural geometrically regular form. The crystals that form in slowly cooled magma produce large grains.

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A slowly cooled magma will most likely result in a rock with which one What textures?

A slowly cooled magma is likely to result in a rock with a coarse-grained texture because the crystals have more time to grow larger. Examples of rocks with coarse-grained textures from slowly cooled magma include granite and diorite.


What factor affects the size of the crystals in minerals that form from magma or lava?

If the lava cools quickly the crystals will be smaller than if it cooled slowly.


Why would granite have larger crystals than rocks formed from lava cooled above earth surface?

Because crystals in granite had more time to form as the magma cooled slowly. Crystals that form on the surface are smaller because they cooled really quickly.


What feature in igneous rocks is the best indication of how rapidly the magma crystallized?

The size of the crystals. Large crystals mean the magma cooled slowly, small crystals are a sign that the magma was cooled quickly.


What type of rock that forms from magma or lava is rock?

Igneous rock is formed from the cooling of magma or lava.


Do rocks that cool slowly from magma contain more crystals?

Yes, rocks that cool slowly from magma have more time for crystals to grow, resulting in a coarse-grained texture with larger crystals. In contrast, rocks that cool rapidly have a fine-grained texture with smaller crystals due to the lack of time for crystal growth.


Do igneous rocks have large crystals?

It depends on the cooling rate of the magma. If the magma cools slowly underground, large crystals can form, creating intrusive igneous rocks. If the magma cools rapidly on the Earth's surface, small crystals or glassy textures can result in extrusive igneous rocks.


What do the large crystals in this igneous rock tell about the rock?

Large crystals in an igneous rock suggest that the rock cooled slowly, allowing for the crystals to grow to a larger size. This slow cooling process typically occurs deeper within the Earth's crust or in a magma chamber, resulting in the formation of coarse-grained rocks such as granite or diorite.


What do the large crystals in igneous rocks tell about the rock?

That it cooled very slowly.


What determines how large the crystals in the igneous rock will be?

How fast the magma or lava cooled. How fast the rock cooled


Is there magma on Mars?

No. Mars has cooled so that i can no longer produce magma.


Which would have larger crystals an igneous rock formed from magma below the surface or igneous rock cooled from lava on the surface?

Crystals are generally formed when magma or molten rock cools and solidifies. Rapid cooling of the molten rock generally results in the formation of small crystals, like when magma reaches the surface. However, if they cool down slowly, then large crystals are formed. Keeping heat applied allows more growth on the crystal over time. In that logic, larger crystals grow underground.