Metaluminous rock
id:
metaluminous-rock-273-5936849
title:
Metaluminous rock
text:
Metaluminous rocks are igneous rocks that have a molar proportion of aluminium oxide lower than the combination of calcium oxide, sodium oxide and potassium oxide. This contrasts with peraluminous rocks in which the aluminium oxide concentration is higher than the combination, and peralkaline rocks where the alkalis are higher. Most mafic rocks are metaluminous, having neither excess aluminium nor alkalis. In such rocks the alkalis are mostly accommodated in feldspars, and the remaining calcium
brand slug:
wiki
category slug:
encyclopedia
description:
Type of igneous rock
original url:
https://en.wikipedia.org/wiki/Metaluminous_rock
date created:
date modified:
2023-07-22T17:58:17Z
main entity:
{"identifier":"Q25104499","url":"https://www.wikidata.org/entity/Q25104499"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/9/9c/Peraluminous.svg","width":666,"height":496}
fields total:
13
integrity:
15