Porphyry (geology)
id:
porphyry-geology-184-11952320
title:
Porphyry (geology)
text:
Porphyry is any of various granites or igneous rocks with coarse-grained crystals such as feldspar or quartz dispersed in a fine-grained silicate-rich, generally aphanitic matrix or groundmass. In its non-geologic, traditional use, the term porphyry usually refers to the purple-red form of this stone, valued for its appearance, but other colours of decorative porphyry are also used such as "green", "black" and "grey". The term porphyry is from the Ancient Greek πορφύρα (porphyra), meaning "purpl
brand slug:
wiki
category slug:
encyclopedia
description:
Textural form of igneous rock with large grained crystals in a fine matrix
original url:
https://en.wikipedia.org/wiki/Porphyry_(geology)
date created:
2003-08-27T01:30:13Z
date modified:
2024-09-07T11:25:26Z
main entity:
{"identifier":"Q337238","url":"https://www.wikidata.org/entity/Q337238"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/c/ca/%22Imperial_Porphyry%22_-_porphyritic_metadacite_to_porphyritic_meta-andesite_%28Dokhan_Volcanics%2C_Neoproterozoic%2C_~593-602_Ma%3B_Mons_Porphyrites%2C_Red_Sea_Mountains%2C_Egypt%29_2_%2830040632451%29.jpg","width":3874,"height":2503}
fields total:
13
integrity:
16