Rock Types Flashcard

Front

What are the individual rock particles, crystals, and sometimes fossils that combine to give a rock its texture?

Back

Grains

Front

What does the young-earth view of historical geology conclude about the rock cycle?

Back

All of the above are consistent with a young-earth view of geologic history.

Front

What type of rock is known as volcanic glass due to its smooth and shiny appearance?

Back

Obsidian

Front

Which test could be used to identify a rock based on its magnetic properties?

Back

Magnetism

Front

Which type of rock contains the largest crystals?

Back

Pegmatite

Front

What is the process called that involves the transformation of rocks through heat, pressure, and time?

Back

Metamorphism

Front

What are the three main types of rocks?

Back

Igneous, Sedimentary, Metamorphic

Front

What is the primary characteristic of igneous rocks?

Back

They are formed from the cooling and solidification of magma or lava.

Front

What type of rock is formed from the accumulation of sediments?

Back

Sedimentary rock

Front

What is the term for the natural process of breaking down rocks into smaller pieces?

Back

Weathering