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Filters Date Range Past year (2) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions Shapefile (2) Raster (1) Types Map Service (3) Citation (2) OGC WFS Layer (2) OGC WMS Layer (2) Shapefile (2) GeoTIFF (1) Raster (1) Contacts Anna M. Nottmeier U.S. Geological Survey, Pacific Coastal and Marine Science Center PCMSC Science Data Coordinator PCMSC Science Data Coordinator U.S. Geological Survey More... Categories Data (3) Tag Types Theme (5) Tags (with Scheme=Marine Realms Information Bank (MRIB)) gravity coring (1) sediment deposition (1) seismic reflection profiling (1) stratigraphy (1) water well (1) View Results as: JSON ATOM CSV

Gravity cores from San Pablo Bay and Carquinez Strait, San Francisco Bay, California This data release contains information on gravity cores that were collected by the U.S. Geological Survey in the area of San Pablo Bay and Carquinez Strait, California in 1990, 1991, and 2000. Ten (10) pdf files describe gravity cores that were split, photographed, and imaged by X-rays, and another pdf file contains a core-log legend. In addition, a shapefile provides sample collection data. Seventy-two gravity cores were collected by the U.S. Geological Survey in 1990, 1991, and 2000 from San Pablo Bay and Carquinez Strait, California. Gravity cores from San Pablo Bay contain bioturbated laminated silts and sandy clays, whole and broken bivalve shells (mostly mussels), fossil tube structures, and fine plant or... Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, Carquinez Strait, Marine Geology, Oceans > marine sediments > sedimentation, San Francisco Bay, All tags... San Pablo Bay, USA, environment, geoscientificInformation, gravity coring, oceans, stratigraphy, Fewer tags Sparta-Memphis aquifer well point dataset in Arkansas, January-May 2013 (ver. 1.2, June 2021) This dataset contains the groundwater well locations and water-level measurements for 306 wells measured during the water-level survey of the Sparta-Memphis aquifer, in Arkansas, January through May 2013. Well-location and water-level data is publicly available from the U.S. Geological Survey's National Water Information System. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Arkansas, Mississippi Embayment aquifer system, Sparta-Memphis Sand, aquifer, geoscientificInformation, All tags... groundwater, groundwater flow, groundwater level, hydrogeology, water well, Fewer tags Sediment Thickness--Point Conception to Hueneme Canyon, California This part of DS 781 presents data for the sediment-thickness map of the Point Conception to Hueneme Canyon, California, region. The raster data file is included in "SedimentThickness_PointConceptionToHuenemeCanyon.zip," which is accessible from https://doi.org/10.5066/F7891424. As part of the USGS's California State Waters Mapping Project, a 50-m grid of sediment thickness for the seafloor within the 3-nautical mile limit between Point Conception and Hueneme Canyon was generated from seismic-reflection data collected in 2014 (USGS activity 2014-632-FA) supplemented with outcrop and geologic structure (fault) information following the methodology of Wong (2012). This sediment thickness layer was merged with a previously... Categories: Data; Types: Citation, Downloadable, GeoTIFF, Map Service, Raster; Tags: Carpinteria, Coal Oil Point, Gaviota, Hueneme Canyon, Pacific Ocean, All tags... Point Conception, Refugio Beach, Santa Barbara, Santa Barbara Channel, Santa Barbara County, State of California, Ventura, coastal geology, environment, geoscientificInformation, geospatial datasets, maps and atlases, marine geology, oceans, sediment deposition, sediment thickness, seismic isopach, seismic reflection methods, seismic reflection profiling, stratigraphic thickness, Fewer tags