NEHRP Clearinghouse

displaying 1 - 2 results in total 2

• ['Brocher, T. M.', 'Christensen, N. I.']
  Density and Velocity Relationships for Digital Sonic and Density Logs from Coastal Washington and Laboratory Measurements of Olympic Peninsula Mafic Rocks and Greywackes.
  January 2001, 34 p.
  Identifying Number(s): USGS/OFR-01-264
  Keywords: Greywackes; Mafic rocks; Seismic waves; Boreholes; Test wells; Compression waves; Shear waves; Sonic velocity; Density; Wave velocity; Velocity; Laboratory tests

• ['Parsons, T.', 'Blakely, R. J.', 'Brocher, T. M.', 'Christensen, N. I.', 'Fisher, M. A.']
  Crustal Structure of the Cascadia Fore Arc of Washington.
  January 2006, 50 p.
  Identifying Number(s): USGS/PP-1661-D
  Keywords: ; Seismic data; Crustal structure models; Mathematical models; Schematic diagrams; Pacific Northwest; Subduction zone; Cascadia subduction margin; Gravity data; Maps; Fore arc