Exam 4: Up From the Inferno: Magma and Igneous Rocks

In the figure provided below,what type of igneous intrusion is the horizontal rock unit shown by letter A?

A batholith is a(n)________.

The difference between magma and lava is that ________.

All things equal,a magma will have ________ viscosity than a lava.

The composition of magma will ________ when it erupts and turns into lava.

Large igneous provinces involve more than just the formation of large volumes of igneous rock.Which of the following global events has NOT been attributed to large igneous provinces?

The formation of a hotspot is thought to be associated with ________.

In Bowen's discontinuous reaction series,the first mineral to crystallize from a mafic melt is ________.

If the volatile content of magma is increased,its viscosity will ________.

All other factors being equal (i.e. ,depth,volume,temperature,etc. ),which type of igneous intrusion would cool fastest?

Important volatiles in magmas include ________.

Describe the difference between the relative viscosity of felsic versus mafic magma and how this affects the rate of flow of each type.

Dikes serve an alternate purpose besides being an area where magma solidifies.For what else are dikes used?

Viscosity does NOT depend on ________.

An irregular-shaped and blob-like igneous rock body that cooled beneath the surface of Earth is a ________.

Viscosity controls how ________.

The formation of magma within Earth is NOT caused by which of the following processes?

The mantle is composed entirely of ________.

Stoping by magmas occurs when ________.

Which of the places listed below was formed by a hotspot?