Keweenawan Supergroup
id:
keweenawan-supergroup-268-15724249
title:
Keweenawan Supergroup
text:
The Keweenawan Supergroup is a supergroup of volcanic and sedimentary rocks that fill the Midcontinent Rift System in the U.S. states of Michigan, Wisconsin, and Minnesota. It is about 30 kilometers (19 mi) thick and it formed about 1.1 billion years ago.
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Keweenawan_Supergroup
date created:
date modified:
2023-05-02T03:36:24Z
main entity:
{"identifier":"Q6397953","url":"https://www.wikidata.org/entity/Q6397953"}
image:
fields total:
13
integrity:
13