Challis Arc
id:
challis-arc-273-9769767
title:
Challis Arc
text:
The Challis Arc was an Eocene volcanic field that stretched from southwestern British Columbia through Washington to Idaho, United States. The volcanic field extended between 42 and 49 degrees north latitude and was about 1500 kilometers in length. It exhibited volcanic activity for about 10 million years. Remnants of the Challis Arc are found as granitic plutons in the North Cascades, the Okanagan Highlands and in southcentral Idaho. It was first theorized in 1979 that the volcanic field formed
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Challis_Arc
date created:
date modified:
2020-12-16T23:29:25Z
main entity:
{"identifier":"Q5068985","url":"https://www.wikidata.org/entity/Q5068985"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/6/62/North_Cascades.jpg","width":1600,"height":1067}
fields total:
13
integrity:
14