Collier Shale
id:
collier-shale-287-17478338
title:
Collier Shale
text:
The Collier Shale is a geologic formation in the Ouachita Mountains of Arkansas and Oklahoma. Dating from the Late Cambrian to Early Ordovician periods, the Collier Shale is the oldest stratigraphic unit exposed in Arkansas. First described in 1892, this unit was not named until 1909 by Albert Homer Purdue in his study of the Ouachita Mountains of Arkansas. Purdue assigned the type locality to the headwaters of Collier Creek in Montgomery County, Arkansas, but did not designate a stratotype. As
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Collier_Shale
date created:
date modified:
2023-01-21T02:57:32Z
main entity:
{"identifier":"Q17510506","url":"https://www.wikidata.org/entity/Q17510506"}
image:
fields total:
13
integrity:
13