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  • 1990-1994  (19)
Collection
Year
  • 1
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 59 (1991), S. 1935-1937 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The second- and third-order nonlinear optical properties of acridine yellow-doped lead-tin fluorophosphate (LTF) glass have been directly studied by measurement of surface enhanced second harmonic generation and third harmonic generation. The three photon excitation fluorescence is also observed. Based on these results, the large nonlinearities of the acridine LTF system which is a new nonlinear optical material are experimentally demonstrated.
    Type of Medium: Electronic Resource
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  • 2
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    Unknown
    Washington, D.C., etc. : Periodicals Archive Online (PAO)
    The Journal of economic education. 25:1 (1994:Winter) 75 
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Geo-marine letters 14 (1994), S. 252-263 
    ISSN: 1432-1157
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract The continental slope of the northern Gulf of Mexico is diapirically controlled and is comprised of coalescing salt sheets, salt withdrawal basins, salt ridges, salt tongues and sills, and submarine canyons. Bathymetric information from single-beam data has resulted in several published maps. Many of the map areas have been remapped, using multibeam surveys, by the US National Ocean Service, and names have been given to the major physiographic features. The multibeam program was discontinued before complete coverage of the slope was accomplished. We provide charts of the remaining areas with names of features that have been accepted by the US Board of Geographic Names.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1432-1157
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Bathymetric charts of the continental slope of the northwestern Gulf of Mexico reveal the presence of over 90 intraslope basins with relief in excess of 150 m. The evolution and the general configuration of the basins are a function of halokinesis of allochthonous salt. Intraslope-interlobal and intraslope-superlobal basins occupy the upper and lower continental slope, respectively. Other structures on the slope associated with salt tectonics are the Sigsbee Escarpment, the seaward edge of the Sigsbee salt nappe, and the Alaminos and Keathley canyons. Major erosional features are the Mississippi Canyon and portions of a submarine canyon on the southern extreme of the Sigsbee Escarpment.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Geo-marine letters 10 (1990), S. 209-220 
    ISSN: 1432-1157
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract Free gas is ubiquitous at shallow sediment depths of the northern margin of the Gulf of Mexico. Gassy sediment patches are between 250 and 500 m in horizontal size. Often the gassy layers are within 100 m from the sea floor and are only a few meters thick. Both biogenic and thermogenic gas hydrates have been recovered. Stability values of temperature and pressure indicate that hydrates can exist in water depths less than 500 m. Gassy sediment geoacoustic parameter values are not well constrained because of a lack of concurrent measurements of acoustic properties and sediment gas content. For Gulf of Mexico gassy sediment, some reportedin situ values of sound speed are reduced by an order of magnitude below values for water saturated sediments. More commonly, sound speed is reduced from water saturated sediment values by only 15 to 50 percent.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Geo-marine letters 10 (1990), S. 225-231 
    ISSN: 1432-1157
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Notes: Abstract High-resolution geophysical data define acoustically amorphous, mounded structures on the upper, middle, and lower continental slope of the northern Gulf of Mexico. Physical samples and observations within this unique seismic facies show gassy sediments, sometimes in hydrated form and, in places, as chemosynthetic communities. The geologic setting of these mounds suggests that the process of formation falls on the continuum of mud volcanoes to mud diapirs.
    Type of Medium: Electronic Resource
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  • 7
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    Ann Arbor, Mich., etc., : Periodicals Archive Online (PAO)
    Journal of Asian Studies. 52:3 (1993:Aug.) 724 
    ISSN: 0021-9118
    Topics: Political Science , Economics
    Description / Table of Contents: Japan
    Notes: Book Reviews
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  • 8
    Publication Date: 2024-01-09
    Keywords: 113-689C; 113-689D; 113-690C; 113-693A; 113-695A; 113-696A; 113-697B; Comment; Comment 2 (continued); DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Joides Resolution; Leg113; Ocean Drilling Program; ODP; Ratio; Sample code/label; South Atlantic Ocean; Vertical effective stress; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 102 data points
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  • 9
    Publication Date: 2024-01-09
    Keywords: 113-689C; 113-689D; 113-690C; 113-693A; 113-695A; 113-696A; 113-697B; Comment; DEPTH, sediment/rock; Diatoms; Difference; DRILL; Drilling/drill rig; DSDP/ODP/IODP sample designation; Event label; Joides Resolution; Leg113; Ocean Drilling Program; ODP; Overconsolidation ratio; Permeability; Porosity, open; Preconsolidation pressure; Sample code/label; South Atlantic Ocean; Vertical effective stress; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 187 data points
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  • 10
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    Unknown
    PANGAEA
    In:  Supplement to: Bryant, William; Rack, Frank R (1990): Consolidation characteristics of Weddell Sea sediments: results of ODP Leg 113 (see chapter correction). In: Barker, PF; Kennett, JP; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 113, 211-223, https://doi.org/10.2973/odp.proc.sr.113.173.1990
    Publication Date: 2024-01-09
    Description: Examination of the geotechnical characteristics of Weddell Sea, Maud Rise, and South Orkney microcontinental margin sediments recovered during ODP Leg 113 reveals that the reduction in porosity (consolidation) of the siliciclastic, calcareous, and diatomaceous sediments is primarily a process governed by vertical stresses created by overburden. The initial porosity of the sediments in these areas is governed by the amount of diatoms present. The more diatoms, the higher the porosity. Surficial diatom-rich sediments are everywhere overconsolidated. This is attributed to the strong microfabric created by the diatoms, calcareous and clay particles. The deeper diatom-free sediments of Maud Rise range from slightly underconsolidated to normally consolidated. The silty clays and clays of the Weddell Sea and South Orkney margin are underconsolidated. The degree of underconsolidation of these sediments is similar to that determined in a number of different locations throughout the world's oceans. The very low permeability of the Weddell Sea and South Orkney margin sediments appears to account for this underconsolidation.
    Keywords: 113-689C; 113-689D; 113-690C; 113-693A; 113-695A; 113-696A; 113-697B; DRILL; Drilling/drill rig; Joides Resolution; Leg113; Ocean Drilling Program; ODP; South Atlantic Ocean; Weddell Sea
    Type: Dataset
    Format: application/zip, 2 datasets
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