Characterization of the Degree of Fracturing and the Nature of Fracture Alteration from MCS Logging Data at Site 395A,  418A and 504B
{'Code': '06040204', 'Directorate': {'Abbreviation': 'GEO', 'LongName': 'Directorate For Geosciences'}, 'Division': {'Abbreviation': 'OCE', 'LongName': 'Division Of Ocean Sciences'}}
{'SignBlockName': 'Bruce T. Malfait', 'PO_EMAI': None, 'PO_PHON': None}
This project analyzes existing sonic log data from bore holes                   in the ocean floor to obtain high resolution velocity and                       attenuation estimates from which to infer the degree of                         fracturing in ocean crust. This is important because fluid flow                 in the crust is controlled primarily by fractures: in young                     ocean crust data indicate that the shallow crust contains many                  open fractures which constitute an underpressured aquifer of                    high permeability. With time alteration products seal these                     fractures which reduces the permeability and fluid flow                         dramatically. By integrating improved velocity data and new                     attenuation estimates with borehole televiewer and gamma ray                    logs, fractured intervals will be located and characterized as                  open or sealed. Variations in the nature of the alteration                      material in the sealed fractures will be indentified from                       velocity and attenuation data in conjunction with other log                     data and core geochemical results. Variations in the aperture                   or permeability of the open fractures will be identified from                   the attenuation data.
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{'Name': 'Woods Hole Oceanographic Institution', 'CityName': 'WOODS HOLE', 'ZipCode': '025431535', 'PhoneNumber': '5082893542', 'StreetAddress': '266 WOODS HOLE RD', 'StreetAddress2': None, 'CountryName': 'United States', 'StateName': 'Massachusetts', 'StateCode': 'MA', 'CONGRESSDISTRICT': '09', 'CONGRESS_DISTRICT_ORG': 'MA09', 'ORG_UEI_NUM': 'GFKFBWG2TV98', 'ORG_LGL_BUS_NAME': 'WOODS HOLE OCEANOGRAPHIC INSTITUTION', 'ORG_PRNT_UEI_NUM': None}
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{'Code': '5720', 'Text': 'OCEAN DRILLING PROGRAM'}
{'url': 'https://www.nsf.gov/awardsearch/download?DownloadFileName=1989&All=true', 'xml': '8900316.xml'}