Examlex

Solved

An Igneous Rock with a Mixed Texture of Coarse Crystals

question 21

Multiple Choice

An igneous rock with a mixed texture of coarse crystals (phenocrysts) surrounded by fine crystals (groundmass) is termed ________.


Definitions:

Transform Faulting

A type of strike-slip fault where two tectonic plates slide past each other horizontally, leading to earthquakes but not volcanic activity.

Sea of Japan

A marginal sea located between Japan, Russia, and Korea, connected to the Pacific Ocean by various straits.

Philippine Sea

A section of the western Pacific Ocean bordered by the Philippines and Taiwan to the west, Japan to the north, and the Marianas to the east.

Back-arc Spreading

A geological process occurring behind island arcs, resulting in the formation of new oceanic crust as a tectonic plate moves away from a subduction zone.

Related Questions