Flashcard 9 - Earth & Space

Front

What is the most common igneous rock?

Back

Basalt

Front

What is the process called when sediment is compacted and cemented to form sedimentary rock?

Back

Lithification

Front

Which branch of geology studies the origin, composition, and structure of rocks?

Back

Petrology

Front

What type of sedimentary rock looks like a mosaic of smooth pebbles set in hardened sand or clay?

Back

Conglomerate rock

Front

In surface mining, what is the term for the upper layers of ground that are removed to reveal coal?

Back

Overburden

Front

What is the process of breaking down rocks into smaller pieces called?

Back

Weathering

Front

What type of rock is formed from the cooling and solidification of magma or lava?

Back

Igneous rock

Front

What is the term for rocks formed from the accumulation of sediment?

Back

Sedimentary rock

Front

What is the study of earthquakes and seismic waves called?

Back

Seismology

Front

What type of rock is formed when existing rocks are subjected to heat and pressure?

Back

Metamorphic rock