An Experimental Investigation of the Effects of Temperature and Pressure on Viscous Magnetization of Lower Crustal Rocks
{'Code': '06030204', 'Directorate': {'Abbreviation': 'GEO', 'LongName': 'Directorate For Geosciences'}, 'Division': {'Abbreviation': 'EAR', 'LongName': 'Division Of Earth Sciences'}}
{'SignBlockName': 'Michael A. Mayhew', 'PO_EMAI': None, 'PO_PHON': None}
Regional magnetic anomaly data from both satellites and                    aeromagnetic surveys have provided substantial impetus for                      studies of the magnetic structure of the lower crust and upper                  mantle.  The interpretation of these anomalies has remained a                   puzzle, requiring strongly magnetic source rocks that are                       thicker, more extensive, and perhaps deeper-seated than                         previously thought.  A rock magnetic phenomenon has been called                 upon to explain the necessary intense magnetization of these                    deeper rock units: 'thermally enhanced' viscous remanent                        magnetization (VRM).  The PI will test this hypothesis, with a                  suite of laboratory experiments to characterize the magnetic                    changes associated with VRM acquisition.  Further, he will                      conduct these VRM experiments as a function of temperature,                     pressure, grain size and composition of the magnetic minerals, as               well as the previous magnetic history of the samples, in an                     attempt to put closer limits on models of possible deep crustal                 magnetic sources.
{'FirstName': 'Harlan', 'LastName': 'Johnson', 'PI_MID_INIT': 'P', 'PI_SUFX_NAME': None, 'PI_FULL_NAME': 'Harlan P Johnson', 'EmailAddress': 'johnson@ocean.washington.edu', 'NSF_ID': '000301298', 'StartDate': '02/15/1989', 'EndDate': None, 'RoleCode': 'Principal Investigator'}
{'Name': 'University of Washington', 'CityName': 'SEATTLE', 'ZipCode': '981951016', 'PhoneNumber': '2065434043', 'StreetAddress': '4333 BROOKLYN AVE NE', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'Washington', 'StateCode': 'WA', 'CONGRESSDISTRICT': '07', 'CONGRESS_DISTRICT_ORG': 'WA07', 'ORG_UEI_NUM': 'HD1WMN6945W6', 'ORG_LGL_BUS_NAME': 'UNIVERSITY OF WASHINGTON', 'ORG_PRNT_UEI_NUM': None}
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[{'Code': '1574', 'Text': 'Geophysics'}, {'Code': '9120', 'Text': 'CROSS-DIRECTORATE PROGRAMS'}]
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