Morton Gneiss
id:
morton-gneiss-292-11381299
title:
Morton Gneiss
text:
Morton gneiss, also known as rainbow gneiss, is an Archean-age gneiss found in the Minnesota River Valley of southwestern Minnesota, United States. It is one of the oldest stones on Earth, at about 3.5 billion years old. Along with the nearby Montevideo Gneiss, it is the oldest intact continental crust rock in the United States. Its type locality is in Morton, Minnesota. Morton gneiss is quarried for monuments and as a facing stone for buildings.
brand slug:
wiki
category slug:
encyclopedia
description:
Ancient rock
original url:
https://en.wikipedia.org/wiki/Morton_Gneiss
date created:
date modified:
2023-07-31T17:35:33Z
main entity:
{"identifier":"Q16964392","url":"https://www.wikidata.org/entity/Q16964392"}
image:
fields total:
13
integrity:
14