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Evolution of volcanic rocks and associated ore deposits in the Marysvale volcanic field, Utah

Economic Geology

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, , , , , , and

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Abstract

A geological account on the igneous activity and associated mineral deposition in the volcanic field of Marysvale in Utah is presented. Three episodes (34-22 Ma, 22-14 Ma and 9-5 Ma) involved in the volcanic rock eruption and associated mineralization are described. The first episode is believed to have occurred during the time of tectonic convergence when two contrasting suites of rocks, Mount Dutton Formation and Bullion Canyon Volcanics, erupted concurrently. Mineralization during this period was sparse. In the second episode, change from intermediate to bimodal volcanism occurred. During the third episode, basaltic compositions did not change. Although major element constituent had rhyolites similar to that of the second episode, rhyolites had a marked radiogenic isotope characteristic difference.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Evolution of volcanic rocks and associated ore deposits in the Marysvale volcanic field, Utah
Series title:
Economic Geology
Volume
89
Issue:
8
Year Published:
1994
Language:
English
Publisher:
Economic Geology Publ Co
Publisher location:
El Paso, TX, United States
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Economic Geology
First page:
2003
Last page:
2005