Exam 5: Igneous Environments

Coarsely crystalline igneous textures indicate that:

Which of the following igneous rocks can be composed of fragments?

The igneous feature shown in this photograph is:

Continental mantle plumes that are composed of felsic magma tend to be explosive when the Earth's surface is reached. These explosive eruptions create:

The site on the accompanying figure that would most likely form a rock that has a welded texture is:

A porphyritic igneous texture indicates that:

What is the source of water necessary to induce the production of magma in a subduction zone?

Which of the letters shown on this figure would most likely have magma related to subduction?

Which of the following occurs during a continental collision, after any subduction has ended?

An igneous pegmatite indicates that:

Which of the following are tectonic settings where large magma chambers can form?

The liquid-solid boundary on this graph slopes down and to the right because:

For the letters on this figure, choose the likely cause of melting for Site C.

Which of the following changes in conditions would cause melting of a solid rock?

Melting in the mantle is a result of:

Which of the following changes in conditions would represent heating during burial?

The igneous feature shown in this figure is a:

The most common rock in the Sierra Nevada batholith is the plutonic rock:

Tuff and volcanic breccia are both composed of a variety of igneous fragments. Their classification as either felsic, intermediate, or mafic therefore depends on the particular:

Which number of this figure indicates transfer of thermal energy by conduction?