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1 edition of Preliminary geological, geophysical, and biological data from the Gorda Ridge found in the catalog.

Preliminary geological, geophysical, and biological data from the Gorda Ridge

Preliminary geological, geophysical, and biological data from the Gorda Ridge

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Published by U.S. Geological Survey in Menlo Park, Calif .
Written in English

    Subjects:
  • Submarine geology -- Pacific Ocean -- Gorda Ridge.,
  • Geophysics -- Pacific Ocean -- Gorda Ridge.,
  • Marine biology -- Pacific Ocean -- Gorda Ridge.

  • Edition Notes

    Bibliography: leaves 12-13.

    Statementby David Clague ... [et al.] ; prepared in cooperation with the U.S. Minerals Management Service.
    SeriesOpen-file report / United States Department of the Interior, Geological Survey -- 84-364., Open-file report (Geological Survey (U.S.)) -- 84-364.
    ContributionsClague, D. A., United States. Minerals Management Service.
    The Physical Object
    Pagination33 leaves :
    Number of Pages33
    ID Numbers
    Open LibraryOL15500710M

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    Data from camera tows, remotely operated vehicle (ROV) dives, sidescan sonar imagery, and SeaBeam resurveys show that the new flow is km long, m wide, and up to 75 m thick, with a volume of 18×10 6 m 3. We interpret that this flow was erupted during the first half of the T-wave by: Multibeam survey data from the R/V Atlantis cruise-AT were used to examine the east-west trending Mendocino Fracture Zone along the Gorda Escarpment, west of the Gorda Spreading Ridge. This area lies on the Pacific Plate and includes several File Size: 2MB.

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Preliminary geological, geophysical, and biological data from the Gorda Ridge Download PDF EPUB FB2

Get this from a library. Preliminary geological, geophysical, and biological data from the Gorda Ridge. [D A Clague; United States. Minerals Management Service.;]. PRELIMINARY GEOLOGICAL, GEOPHYSICAL & BIOLOGICAL DATA FROM GORDA RIDGE [ al Clague] on *FREE* shipping on qualifying : al Clague.

The Gorda Ridge (41°36'"N °22'"W), aka Gorda Ridges tectonic spreading center, is located roughly kilometres ( mi) off the northern coast of California and southern g NE – SW it is roughly kilometres ( mi) in length. The ridge is broken into three segments; the northern ridge, central ridge, and the southern ridge, which contains the Escanaba Trough.

Clague DA, Friesen W, Quinterno P, et al. () Preliminary geological, geophysical and biological data from Gorda Ridge. USGS Open File Reportp Google ScholarCited by: 2. LePain, D.L., Decker, P.L., and Wartes, M.A., Preliminary geological, Measured sections and preliminary interpretations of the Nanushuk Formation exposed along the Colville River near the confluences with the Awuna and Killik rivers, in Wartes, M.A., and Decker, P.L., eds., Preliminary results of recent geologic field investigations in the Brooks Range Foothills.

Clague D, Friesen W, Quinterno P, et al. () Preliminary geological, geophysical, and biological data from the Gorda Ridge. USGS Open-File Report 84–, 49 pp.

Google Scholar Clarke WB, Beg MA, Craig H () Excess helium-3 in the sea: Evidence for terrestrial primordial by: 9. The Energy Policy Act of established the National Geological and Geophysical Data Preservation Program (NGGDPP) to preserve and expose the Nation’s geoscience collections (samples, logs, maps, data) to promote their discovery and use for research and resource development.

Scientists and technical staff within the USGS Coastal and Marine Geology Program study coastal and ocean resources from shorelines and estuaries to the continental shelf and deep sea, providing expertise, tools, products, and data that address and inform a broad array of resource challenges facing our Nation.

The Division of Geological & Geophysical Surveys offers free, downloadable data for most current publications. Below is a list of the DGGS publications that have free, online geospatial data available or an option for ordering the data offline. All data is compressed into a ZIP file which also contains a README file and FGDC-compliant metadata.

Abstract. Geophysical and geospatial data were collected in Buzzards Bay, in the shallow-water areas of Vineyard Sound, and in the nearshore areas off the eastern Elizabeth Islands and northern coast of Martha's Vineyard, Massachusetts, on the U.S.

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This report documents the geophysical data processing and interpretation investigation completed by Mira Geoscience Ltd. for the Schreiber area as part of the Phase 1 Geoscientific Desktop Preliminary Assessment of Potential Suitability (AECOM, a).

A regional geological and geophysical study of the Delaware basin, New Mexico and west Texas regional geological and geophysical data.

The book covers the whole range of applied. Geophysical investigations are most effective when used in conjunction with a drilling or boring program and should not be a substitute for such a program.

Typically, one may apply multiple methods to refine the conceptual models. Use of multiple methods also hedges against one method failing to provide useful data. Types of geophysical surveysFile Size: KB.

Cambridge Core - Structural Geology, Tectonics and Geodynamics - Mid-Ocean Ridges - by Roger Searle. Geological and geophysical site characterization for marine renewable energy development and environmental assessment Technical Report (PDF Available) May.

U.S. Geological Survey Open-File Report Related topics Geospatial datasets, Geology, Geologic maps, Geologic structure, Bedrock geologic units, Geologic contacts, Faults, ArcInfo interchange, Shapefile, Comma-delimited text, FileMaker, DBF.

ridge, the unique animal communities associated with them, as well as the non-vent faunas, would be vulnerable to the disturbances caused by mining. There is such a basic lack of baseline data on the Gorda Ridge and its associated fauna that fisheries and environmentalist groups levelled severe criticisms at the environ.

GEOLOGICAL AND GEOPHYSICAL REPORTS RELEASED TO SEPTEMBER The attached list is updated annually. The list is comprised of petroleum exploration reports collected under the authority of the Petroleum and Natural Gas Act.

The reports are avail able for viewing by appointment at the Information Resource Centre in Victoria for a nominal fee. Preliminary Integrated Geologic Map Databases for the United States: U.S. Geological Survey Open-File Report version Preliminary Geologic Map of the Cook Inlet Region, Alaska—.

order ridge axis discontinuities described in the south Atlantic which are character-ized by both extensional and strike-slip tectonism (Grindlay et al., ).

The Gorda Ridge spreads at cm/yr (full-rate) along the North Gorda segment, but the rate progressively decreases south of this segment to only cm/yr (full-rate) at the. [5] The Gorda Ridge is a ‐km‐long segment of oceanic spreading center located off the coast of southern Oregon and northern California.

To the north, the ridge is separated from the Juan de Fuca Ridge by the Blanco Fracture Zone at about 43°N, and to the south it terminates at the Mendocino Ridge at about 40°25′ by: U.S.G.S.

Reston Stable Isotope Laboratory web site. RSIL Home > Research > Laboratory Publications Sorted By Year > All RSIL Publications: This site is .Year Published: Seasonality of nitrate sources and isotopic composition in the Upper Illinois River. To improve understanding of spatial, seasonal, and inter-annual variations in nitrate sources and in-stream processes in the Illinois River system, nitrate concentrations and isotopic compositions were measured in water samples collected over a four-year period (–) from the.