Unit 2.5 Rock and Mineral Review

Front

What is the main difference between intrusive and extrusive igneous rocks?

Back

Intrusive rocks form inside the Earth, while extrusive rocks form on the surface.

Front

How are igneous rocks classified?

Back

Igneous rocks are classified as intrusive (formed inside the Earth) or extrusive (formed on the surface).

Front

What texture is characteristic of intrusive igneous rocks?

Back

Intrusive igneous rocks typically have a coarse texture due to slow cooling.

Front

What is Bowen's reaction series?

Back

Bowen's reaction series is a concept that describes the order in which minerals crystallize from cooling magma.

Front

Which mineral crystallizes first according to Bowen's reaction series?

Back

Olivine crystallizes first according to Bowen's reaction series.

Front

What is a vesicular texture in igneous rocks?

Back

A vesicular texture is characterized by the presence of gas bubbles, giving the rock a spongy appearance.

Front

What is the difference between sedimentary and metamorphic rocks?

Back

Sedimentary rocks form from the accumulation of sediments, while metamorphic rocks form from the alteration of existing rocks under heat and pressure.

Front

How can you identify a metamorphic rock?

Back

Metamorphic rocks can be identified by their foliation or banding and often have a more crystalline texture.

Front

What is the significance of texture in igneous rocks?

Back

Texture in igneous rocks indicates the cooling history and environment of formation.

Front

What are the two main types of sedimentary rocks?

Back

The two main types of sedimentary rocks are clastic (formed from fragments of other rocks) and chemical (formed from mineral precipitation).