New Oceanic Crust Is Created at

question 49

Multiple Choice

New oceanic crust is created at

• A)subduction zones.
• B)deep-sea trenches.
• C)mid-ocean ridges.
• D)transform boundaries.

---

Definitions:

Metamorphic Minerals

Minerals that have been chemically altered by heat and pressure conditions, characteristic of metamorphic rocks.

Geologic Structures

The features produced by deformation of the Earth's crust, including faults, folds, and rock layers, that reveal the history of the Earth's surface.

Temperature

A measure of the degree of heat or cold in an environment or a substance, expressed in degrees of a specified scale.

Horsts And Grabens

Landforms resulting from the stretching and fracturing of the Earth's crust, with horsts being elevated blocks and grabens being the depressed blocks between them.