Peralkaline rock
id:
peralkaline-rock-308-2013771
title:
Peralkaline rock
text:
Peralkaline rocks include those igneous rocks which have a deficiency of aluminium such that sodium and potassium are in excess of that needed for feldspar. The presence of aegerine and riebeckite are indicative of peralkaline conditions. Examples are the peralkaline rhyolites, comendite and pantellerite, with comendite being the more felsic (silica-rich) rock. Another example is the peralkaline granite that forms the islet of Rockall in the North Atlantic Ocean. Peralkaline rocks are indicative
brand slug:
wiki
category slug:
encyclopedia
description:
Igneous rocks which have a deficiency of aluminium
original url:
https://en.wikipedia.org/wiki/Peralkaline_rock
date created:
date modified:
2023-07-27T14:09:57Z
main entity:
{"identifier":"Q2901777","url":"https://www.wikidata.org/entity/Q2901777"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/9/9c/Peraluminous.svg","width":666,"height":496}
fields total:
13
integrity:
15