andesite Definition
a dark, fine-grained volcanic rock that is intermediate in composition between rhyolite and basalt.
Using andesite: Examples
Take a moment to familiarize yourself with how "andesite" can be used in various situations through the following examples!
Example
The mountain is made of andesite.
Example
Andesite is commonly found in volcanic arcs.
Example
The andesite deposits in the area are rich in minerals.
Phrases with andesite
a boundary separating the Pacific Plate and the North American Plate, marked by a chain of volcanoes and volcanic activity
Example
The andesite line marks the boundary between the Pacific Plate and the North American Plate.
Example
Andesite magma is typically associated with volcanic arcs.
a type of andesite rock that contains large crystals embedded in a fine-grained matrix
Example
Andesite porphyry is commonly used as a building stone.
Origins of andesite
from Andes Mountains in South America
Summary: andesite in Brief
'Andesite' [ˈændɪsaɪt] is a dark, fine-grained volcanic rock that is intermediate in composition between rhyolite and basalt. It is commonly found in volcanic arcs and is rich in minerals. Phrases like 'andesite line' and 'andesite porphyry' use 'andesite' to denote geological features and types of rocks, respectively.
