Amygdule
id:
amygdule-234-17909613
title:
Amygdule
text:
Amygdules or amygdales form when the vesicles of a volcanic rock or other extrusive igneous rock are infilled with a secondary mineral, such as calcite, quartz, chlorite, or one of the zeolites. Amygdules usually form after the rock has been emplaced, and are often associated with low-temperature alteration. Amygdules may often be concentrically zoned. Rocks containing amygdules can be described as amygdaloidal. The word is derived from the Latin word amygdala, meaning "almond tree", and the Gre
brand slug:
wiki
category slug:
encyclopedia
description:
Infilled vesicle in extrusive igneous rock
original url:
https://en.wikipedia.org/wiki/Amygdule
date created:
date modified:
2023-07-27T14:05:28Z
main entity:
{"identifier":"Q3848788","url":"https://www.wikidata.org/entity/Q3848788"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/3/3d/Vesicles_in_basaltic_lava.JPG","width":2560,"height":1920}
fields total:
13
integrity:
15