Midcontinent Rift System
id:
midcontinent-rift-system-222-3012599
title:
Midcontinent Rift System
text:
The Midcontinent Rift System (MRS) or Keweenawan Rift is a 2,000 km (1,200 mi) long geological rift in the center of the North American continent and south-central part of the North America Plate. It formed when the continent's core, the North American craton, began to split apart during the Mesoproterozoic era of the Precambrian, about 1.1 billion years ago. The rift failed, leaving behind thick layers of igneous rock that are exposed in its northern reaches, but buried beneath later sedimentar
brand slug:
wiki
category slug:
encyclopedia
description:
Geological rift in the center of the North American continent
original url:
https://en.wikipedia.org/wiki/Midcontinent_Rift_System
date created:
2006-12-02T13:16:28Z
date modified:
2024-09-14T02:53:04Z
main entity:
{"identifier":"Q6841136","url":"https://www.wikidata.org/entity/Q6841136"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/3/3b/Mid-continental_Rift_System.webp","width":1802,"height":1738}
fields total:
13
integrity:
16