Ultramafic rock
id:
ultramafic-rock-206-11203053
title:
Ultramafic rock
text:
Ultramafic rocks are igneous and meta-igneous rocks with a very low silica content, generally >18% MgO, high FeO, low potassium, and are composed of usually greater than 90% mafic minerals. The Earth's mantle is composed of ultramafic rocks. Ultrabasic is a more inclusive term that includes igneous rocks with low silica content that may not be extremely enriched in Fe and Mg, such as carbonatites and ultrapotassic igneous rocks.
brand slug:
wiki
category slug:
encyclopedia
description:
Type of igneous and meta-igneous rock
original url:
https://en.wikipedia.org/wiki/Ultramafic_rock
date created:
2004-12-05T04:41:40Z
date modified:
2024-09-10T17:30:07Z
main entity:
{"identifier":"Q1143398","url":"https://www.wikidata.org/entity/Q1143398"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/d/d5/Peridotite_5773.jpg","width":1500,"height":1000}
fields total:
13
integrity:
16