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a finely crystalline or glassy igneous texture indicates that a. the rock broke apart as it flowed. b. the rock cooled quickly. c. the rock cooled slowly. d. there was a lot of gas in the magma.

Respuesta :

Option b is correct, the rock cooled quickly because of which igneous rock is having a finely crystalline or glassy texture.

An igneous rock is primarily composed of or gets its structure from the crystallization of a liquid which depends on the rate at which the melting liquid starts cooling to form crystals. There are two types of texture in an igneous rock-

  • Coarse-grained texture: It generally occurs beneath the earth's surface (magma and plutonic rocks). In this, the cooling of magma takes a lot of time resulting in slow crystallization.
  • Fine-grained texture: It occurs on the earth's surface (Lava). Cooling takes place quickly in lava and leads to the formation of a finely crystalline or glassy igneous texture.  

To learn more about igneous rock, follow the below link:

https://brainly.com/question/23555197

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