 | | Report (issue) | | Dredged from Seven Seamounts Offshore Southern California on R/V Farnella Cruise F7-87-SC by Alice S....endorsement by the U.S.Government. Menlo Park, California 1989 INTRODUCTION Basaltic rock, hyaloclastite...dredged from seven seamounts offshore southern California during the U.S. Geological Survey cruise F7-87-SC...from seamounts near the East Pacific Rise (EPR) and from the northeast Pacific. GEOLOGIC SETTING Volcanic...Volcanic seamounts are abundant offshore southern California. Many of these volcanic edifices are small, circular |  | Hein, James R., Reid, Jane A., Conrad, Tracey A., Dunham, Rachel E., Clague, David A., Schulz, Marjorie S., Davis, Alice S. (2010) Seamounts and ferromanganese crusts within and near the U.S. EEZ off California - Data for RV Farnella cruise F7-87-SC. Open-File Report 2010-1069. US Geological Survey doi:10.3133/ofr20101069 | Report (issue) | | Ferromanganese Crusts Within and Near the U.S. EEZ Off California− Data for RV Farnella Cruise F7-87-SC By James...ferromanganese crusts within and near the U.S. EEZ off California--Data for RV Farnella cruise F7-87-SC: U.S. Geological...report. Cover: Photograph of cut sample from Ben Seamount; porphyritic basalt with 15-mm-thick Fe-Mn crust.................................... 2 Rodriguez Seamount ................................................................................ 2 San Marcos Seamount.............................................. |
|
