Kiruna porphyry
id:
kiruna-porphyry-275-5466148
title:
Kiruna porphyry
text:
Kiruna porphyry is a group of igneous rocks found near Kiruna in northernmost Sweden. The Kiruna Porphyry formed 1,880 to 1,900 million years ago during the Paleoproterozoic Era in connection to the Svecofennian orogeny. The iron-apatite ore mined in Kiruna, Malmberget and Svappavaara are all hosted in Kiruna porphyry. While generally well-preserved for its age at some locations such as Malmberget the Kiruna porphyry is more metamorphosed. In detail, various rock types are distinguished in the K
brand slug:
wiki
category slug:
encyclopedia
description:
Igneous rocks found in northernmost Sweden
original url:
https://en.wikipedia.org/wiki/Kiruna_porphyry
date created:
date modified:
2024-04-17T06:12:33Z
main entity:
{"identifier":"Q85774581","url":"https://www.wikidata.org/entity/Q85774581"}
image:
fields total:
13
integrity:
14