PYROCLASTIC ERUPTIONS OF MOUNT ST. HELENS ON MAY 18, 1980
{'Code': '06030107', 'Directorate': {'Abbreviation': 'GEO', 'LongName': 'Directorate For Geosciences'}, 'Division': {'Abbreviation': 'EAR', 'LongName': 'Division Of Earth Sciences'}}
{'SignBlockName': 'John L. Snyder', 'PO_EMAI': None, 'PO_PHON': None}
The pyroclastic deposits erupted by Mt. St. Helens on May 18,                   1980 have been the subject0of intensive study by C. W. Criswell,                a PhD student, for the last several years.  With the cooperation                of the USGS and other academic researchers, he and the PI have                  mapped a three-dimensional stratigraphic and facies network and                 correlated it with six eruptive phases, defined by time interval.               Chemical and seismic data suggest that two magma types (white and               gray) erupted from a zoned magma chamber seven km. deep, and that               these changes in the eruptive materials relate to changes in the                mechanism of eruption, as well as spatial differences in the                    magma composition within the chamber prior to eruption." This                   award will enable Criswell to continue these studies which could                have important imlications for predicting future eruptions at Mt.               St. Helens and similar volcanoes.
{'FirstName': 'Wolfgang', 'LastName': 'Elston', 'PI_MID_INIT': 'E', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Wolfgang E Elston', 'EmailAddress': None, 'NSF_ID': '000169823', 'StartDate': '09/01/1987', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'University of New Mexico', 'CityName': 'ALBUQUERQUE', 'ZipCode': '87131', 'PhoneNumber': '5052774186', 'StreetAddress': '1700 LOMAS BLVD NE STE 2200', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'New Mexico', 'StateCode': 'NM', 'CONGRESSDISTRICT': '01', 'CONGRESS_DISTRICT_ORG': 'NM01', 'ORG_UEI_NUM': 'F6XLTRUQJEN4', 'ORG_LGL_BUS_NAME': 'UNIVERSITY OF NEW MEXICO', 'ORG_PRNT_UEI_NUM': None}
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{'Code': '157300', 'Text': 'Petrology and Geochemistry'}
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