Andesite (/ˈændəzaɪt/) is a volcanic rock of intermediate composition. In a general sense, it is the intermediate type between silica-poor basalt and silica-rich...

Basaltic andesite is a volcanic rock that is intermediate in composition between basalt and andesite. It is composed predominantly of augite and plagioclase...

The andesite line is the most significant regional geologic distinction in the Pacific Ocean basin. It separates the mafic basaltic volcanic rocks of the...

Andesite Vineyard is a Spring Mountain District, Napa Valley vineyard at the 2000-foot level of Spring Mountain, 5 miles up Spring Mountain Road from St...

Andesites is an extinct genus of cephalopod belonging to the Ammonite subclass, from the Late Jurassic. It has only been found in the Mendoza Group of...

The Andesite Mountain Bushveld is a type of sub-tropical woodland ecoregion of Southern Africa. It is part of the Bushveld biome, which straddles the Tropic...

platform of Pumapunku supported as many as eight andesite gateways. The fragments of five andesite gateways with similar characteristics to the Gateway...

The Bearwallow Mountain Andesite or Bearwallow Mountain Formation is a geologic formation exposed in and around the Mogollon Mountains of southwest New...

metamorphic rock, and sedimentary rock. Adakite – Volcanic rock type Andesite – Type of volcanic rock Alkali feldspar granite – Type of igneous rock...

This places basalt in the basalt/andesite field of the QAPF diagram. Basalt is further distinguished from andesite by its silica content of under 52%...