12691 – Volcanic evolution of the Crater Lake Region

Investigator’s Annual Reports (IAR’s) for Crater Lake National Park

Volcanic evolution of the Crater Lake Region

 

Report Number: 12691

Reporting Year: 1991

Permit Number: CRLA1991AACZ

Current Status: Checked in

Date Received: Jan 01, 1998

Principal Investigator: Charles Bacon, U.S. Geological Survey, Menlo Park, CA

Park-assigned Study Id. # CRLA1991AACZ

Permit Expiration Date: Jan 01, 1998

Permit Start Date: Jan 01, 1998

Study Starting Date: Jan 01, 1991

Study Ending Date: Jan 01, 1991

Study Status: Completed

Activity Type: Other

Subject/Discipline: Geology / General

Objectives: The objective of this project is to document the growth and evolution of Mount Mazama, the volcanic complex in which Crater Lake caldera lies, in order to define processes that led to accumulation of a large volume of silicic magma in the upper crust. Secondary goals are to further knowledge of catastrophic eruptions, such as the one that resulted in the collapse of the caldera.

Findings and Status:  NA

For this study, were one or more specimens collected and removed from the park but not destroyed during analyses? No

Funding provided this reporting year by NPS: 0

Funding provided this reporting year by other sources: 1

Full name of college or university:  n/a

Annual funding provided by NPS to university or college this reporting year: 0

 

 

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