Nipissing sills
id:
nipissing-sills-188-6539607
title:
Nipissing sills
text:
The Nipissing sills, also called the Nipissing diabase, is a large 2217– to 2210–million year old group of sills in the Superior craton of the Canadian Shield in Ontario, Canada, which intrude the Huronian Supergroup. Nipissing sills intrude all the Huronian sediments and older basement rocks in the northern margin of the Sudbury Basin; they were emplaced after the faulting and folding of Huronian rocks, and are hornblende gabbro of tholeiitic basalt composition. In the Sudbury–Elliot Lake area
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Nipissing_sills
date created:
2010-04-29T20:41:59Z
date modified:
2024-09-09T02:18:02Z
main entity:
{"identifier":"Q7039528","url":"https://www.wikidata.org/entity/Q7039528"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/4/4b/Ungava_magmatic_event.png","width":346,"height":547}
fields total:
13
integrity:
15