Publications
Filter Total Items: 1154
Tectonostratigraphic terranes of Magdalena Island, Baja California Sur Tectonostratigraphic terranes of Magdalena Island, Baja California Sur
No abstract available.
Authors
M.C. Blake, Angela S. Jayko, Thomas E. Moore
Innovative approaches to landslide hazard and risk mapping Innovative approaches to landslide hazard and risk mapping
No abstract available.
Authors
E. E. Brabb
Canyon-filling lavas and lava dams on the Boise River, Idaho, and their significance for evaluating downcutting during the last 2 million years Canyon-filling lavas and lava dams on the Boise River, Idaho, and their significance for evaluating downcutting during the last 2 million years
Basalts that periodically dammed the Boise River and its South Fork over the last 2 million years reveal the canyon history and illustrate how lava interacted with impounded river water. Intracanyon basalt flows record a granite canyon successively filled by lava and then recut at least five times in the last 2 million years. The most voluminous flow, Steamboat Rock Basalt, reached 60...
Authors
Keith A. Howard, John W. Shervais, E.H. McKee
Sedimentary petrology of graywacke of the Franciscan Complex in the northern San Francisco Bay Area, California Sedimentary petrology of graywacke of the Franciscan Complex in the northern San Francisco Bay Area, California
No abstract available.
Authors
A. S. Jayko, M. Clark Blake
Geology of Point Reyes Peninsula and implications for San Gregorio fault history Geology of Point Reyes Peninsula and implications for San Gregorio fault history
No abstract available.
Authors
J. C. Clark, E. E. Brabb, H. G. Greene, D. C. Ross
Wilderness mineral potential: Assessment of mineral-resource potential in U.S. Forest Service lands studied in 1964-1984: Volume 1 Wilderness mineral potential: Assessment of mineral-resource potential in U.S. Forest Service lands studied in 1964-1984: Volume 1
Under the provisions of the Wilderness Act (Public Law 88-577, September 3, 1964) and subsequent related legislation, the U.S. Geological Survey (USGS) and the U.S. Bureau of Mines (USBM) have been conducting mineral surveys of wilderness and primitive areas, and of other national forest lands being considered for wilderness designation. The Wilderness Act directs that the results of...
Geological Survey research, fiscal year 1981 Geological Survey research, fiscal year 1981
A summary of recent significant scientific and economic results accompanied by a list of geologic, hydrologic, and cartographic investigations in progress.
Authors
Water Resources Division U.S. Geological Survey
Statistical relations among earthquake magnitude, surface rupture length, and surface fault displacement Statistical relations among earthquake magnitude, surface rupture length, and surface fault displacement
In order to refine correlations of surface-wave magnitude, fault rupture length at the ground surface, and fault displacement at the surface by including the uncertainties in these variables, the existing data were critically reviewed and a new data base was compiled. Earthquake magnitudes were redetermined as necessary to make them as consistent as possible with the Gutenberg methods...
Authors
M. G. Bonilla, R. K. Mark, J. J. Lienkaemper
Book review: Geomagnetism of baked clays and recent sediments Book review: Geomagnetism of baked clays and recent sediments
This book is an outgrowth of the symposium entitled “Time Scales of Geomagnetic Secular Variations,” which was held at the 4th Assembly of the International Association of Geomagnetism and Aeronomy (Edinburgh, U.K., August 1981). The volume includes many of the papers presented, which described paleomagnetic results from both archeologic materials and Holocene geologic deposits, as well...
Authors
Edward A. Mankinen
Mineral resource assessments of large regions: Now and in the future Mineral resource assessments of large regions: Now and in the future
No abstract available.
Authors
Donald A. Singer
Addresses, topics of interest, and geographic distribution of professors working on landslides in the United States Addresses, topics of interest, and geographic distribution of professors working on landslides in the United States
No abstract available.
Authors
E. E. Brabb, Ann R. FitzSimmons