How is crystal size related to the rate a molten material cools

Which of the following is NOT a way to describe a rocks texture

Which component of magma has the greatest influence on its characteristics?

________________ magma has the highest silica content.

As pressure on a rock increases, how does its melting point change?

Which type of igneous rocks form below Earth's surface?

Which type of igneous rock forms when lava solidifies after it reaches the surface?

Magma that forms dark colored rocks and has a high crystallization temperature is called ________________

Magma that forms lighter colored rocks and has a high silicon content is called ____________.

____________ refers to the size, shape, and distribution of the crystals or grains that make up the rock

What is the texture of a rock called that has large well formed crystals surrounded by smaller crystals

Rocks that have a spongy appearance from the gasses in the lava when the rock formed has a _____________ texture

Describe the texture of the following igneous rock.

Describe the texture of the following igneous rock (grain size 1-10 mm).

Describe the texture of the following igneous rock (grain size < 1mm).

Describe the mineral composition of the following igneous rock.

Describe the mineral composition of the following igneous rock.

Describe the environment of formation for the following igneous rock (grain size > 10 mm).

Describe the environment of formation for the following igneous rock.

Describe the rate of cooling for the following igneous rock.

Describe the rate of cooling for the following igneous rock (grain size 1-10 mm).

Describe the environment of formation for the following igneous rock (grain size 1-10 mm).

Describe the environment of formation for the following igneous rock (grain size < 1 mm).