Alleghanian orogeny
id:
alleghanian-orogeny-221-913805
title:
Alleghanian orogeny
text:
The Alleghanian orogeny or Appalachian orogeny is one of the geological mountain-forming events that formed the Appalachian Mountains and Allegheny Mountains. The term and spelling Alleghany orogeny was originally proposed by H.P. Woodward in 1957. The Alleghanian orogeny occurred approximately 325 million to 260 million years ago over at least five deformation events in the Carboniferous to Permian period. The orogeny was caused by Africa's collision with North America. At the time, these conti
brand slug:
wiki
category slug:
encyclopedia
description:
Mountain-forming event that formed the Appalachian and Allegheny Mountains
original url:
https://en.wikipedia.org/wiki/Alleghanian_orogeny
date created:
2004-12-07T08:35:54Z
date modified:
2024-09-13T16:28:14Z
main entity:
{"identifier":"Q1761223","url":"https://www.wikidata.org/entity/Q1761223"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/9/9b/Hercynides_EN.svg","width":550,"height":370}
fields total:
13
integrity:
16