Rocks and Minerals

Front

What are the 3 major types of rocks?

Back

Igneous, Metamorphic, Sedimentary

Front

What is the Streak Test in mineralogy?

Back

A test where a mineral is rubbed over a mirror, tile, or hard surface to observe the color of its powder.

Front

What type of rock is formed by heat and pressure beneath the Earth's surface?

Back

Metamorphic rock.

Front

What type of rock is formed from materials that have settled into layers from weathering?

Back

Sedimentary rock.

Front

What is Compaction in geology?

Back

The process when sediments are pressed together tightly.

Front

What is Cementation in the context of sedimentary rocks?

Back

The process where dissolved minerals crystallize and glue particles of sediment together.

Front

What is the definition of Igneous rock?

Back

Rock formed from the cooling and solidification of magma or lava.

Front

What is the difference between Intrusive and Extrusive Igneous rocks?

Back

Intrusive rocks form inside the Earth from slow cooling magma, while extrusive rocks form on the surface from fast cooling lava.

Front

What is the definition of Sedimentary rock?

Back

Rock formed from the accumulation and compaction of mineral and organic particles.

Front

What is the definition of Metamorphic rock?

Back

Rock that has been changed from its original form due to heat, pressure, or chemically active fluids.