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Categories: Publication;
Types: Citation;
Tags: China, People's Rep.,
China, People's Rep., Guanzhong Basin,
Climatic Changes,
Fluvial Sediments,
Fluvial deposits,
Temporal and spatial sources of silica for chert remain poorly constrained. Modern sources to the worlds oceans include silica in rivers > aeolian (dust) deposition > sea floor vents and submarine weathering. However, changes in aridity and dust flux during the Phanerozoic may explain variations in the ocean silica cycle and times and places of chert formation. The chemistry of fine quartz dust (FQD) provides a chemical mechanism for the transformation of FQD to polymorphs of silica in chert; FQD is readily dissolved, then reprecipitated as Opal-A by either biotic or abiotic processes. An unequivocal relation between increases in dust flux and biogenic opal-A in the western Pacific Ocean during the past 200 kyr...
During 2009, the Alaska Division of Geological & Geophysical Surveys continued a program, begun in 2006, of reconnaissance mapping of surficial geology in the proposed natural-gas pipeline corridor through the upper Tanana River valley. The study area is a 12-mi-wide (19.3-km-wide) area that straddles the Alaska Highway from the western boundaries of the Tanacross B-3 and A-3 quadrangles near Tetlin Junction eastward to the eastern boundaries of the Nabesna D-1 and C-1 quadrangles along the Canada border. Mapping during 2008-2009 in the Tanacross and Nabesna quadrangles linked with the mapping completed in the Tanacross, Big Delta and Mt. Hayes quadrangles in 2006-2008. Surficial geology was initially mapped in...
This map illustrates extents and types of unconsolidated deposits and bedrock in the Big Delta A-4 Quadrangle, Alaska. This map is based on field observations begun by P�w� in 1949 and by Reger in 1976. Unit characteristics and extents were determined during field visits and by interpreting 1:40,000-scale black-and-white aerial photographs taken in August 1949 and 1:63,360-scale, false-color infrared aerial photographs taken in July 1978, August 1980, and August 1981.
Core Research Center, cutting DZ00468, from well operated by ATKINSON-LAVINGTONRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "DZ00468", "API Num": "0506905038", "Operator": "ATKINSON-LAVINGTON", "Well Name": "1 BADNER-BRANSON", "Field": null, "State": "CO", "County": "LARIMER", "Thin Sec": "F", "Analysis": "F", "Latitude": "40.353238", "Longitude": "-105.054469", "coordinates_geohash": "9xjm96jdtky2", "Source": "FROM STATE RECORDS", "Min": "0", "Max": "1585", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}], "crcwc_url": "https://my.usgs.gov/crcwc/cutting/report/30478",...
Core Research Center, cutting DZ02809, from well operated by CALIFORNIA CORaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "DZ02809", "API Num": "0512305433", "Operator": "CALIFORNIA CO", "Well Name": "2 BAIAMONTE", "Field": null, "State": "CO", "County": "WELD", "Thin Sec": "F", "Analysis": "F", "Latitude": "40.605212", "Longitude": "-104.828505", "coordinates_geohash": "9xjqyxfnwb1k", "Source": "FROM STATE RECORDS", "Min": "800", "Max": "9050", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}], "crcwc_url": "https://my.usgs.gov/crcwc/cutting/report/32705",...
Core Research Center, cutting DZ02205, from well operated by RESERVE PETRRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "DZ02205", "API Num": "0506905075", "Operator": "RESERVE PETR", "Well Name": "1 MCWHINNEY VAN DE WATER", "Field": null, "State": "CO", "County": "LARIMER", "Thin Sec": "T", "Analysis": "F", "Latitude": "40.408883", "Longitude": "-104.986248", "coordinates_geohash": "9xjmfupqg1g8", "Source": "FROM STATE RECORDS", "Min": "1860", "Max": "8977", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}], "crcwc_url": "https://my.usgs.gov/crcwc/cutting/report/30288",...
Core Research Center, cutting DC03258, from well operated by CHAMPLINRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "DC03258", "API Num": "0512309673", "Operator": "CHAMPLIN", "Well Name": "2 BOHLENDER 42-29", "Field": null, "State": "CO", "County": "WELD", "Thin Sec": "F", "Analysis": "F", "Latitude": "40.285146", "Longitude": "-104.680138", "coordinates_geohash": "9xjt1vwjzzx8", "Source": "FROM STATE RECORDS", "Min": "4300", "Max": "4856", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}], "crcwc_url": "https://my.usgs.gov/crcwc/cutting/report/48159",...
Core Research Center, cutting DC02644, from well operated by CALIFORNIA OIL CORaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "DC02644", "API Num": "0512305454", "Operator": "CALIFORNIA OIL CO", "Well Name": "2 STATE", "Field": null, "State": "CO", "County": "WELD", "Thin Sec": "F", "Analysis": "F", "Latitude": "40.61239", "Longitude": "-104.83504", "coordinates_geohash": "9xjrn3m2qd0q", "Source": "FROM STATE RECORDS", "Min": "2490", "Max": "9024", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}], "crcwc_url": "https://my.usgs.gov/crcwc/cutting/report/48121",...
Core Research Center, cutting DZ18935, from well operated by ROCKY MOUNTAIN PRODUCTIONRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "DZ18935", "API Num": "0512310672", "Operator": "ROCKY MOUNTAIN PRODUCTION", "Well Name": "1 UPRR LANGE", "Field": null, "State": "CO", "County": "WELD", "Thin Sec": "F", "Analysis": "T", "Latitude": "40.032259", "Longitude": "-104.663095", "coordinates_geohash": "9xjedrdsv1gy", "Source": "FROM STATE RECORDS", "Min": "2300", "Max": "7995", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}], "crcwc_url": "https://my.usgs.gov/crcwc/cutting/report/42014",...
Core Research Center, cutting DZ18518, from well operated by ENSERCH EXPLORATIONRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "DZ18518", "API Num": "0506906121", "Operator": "ENSERCH EXPLORATION", "Well Name": "1-12 MOODY-WARREN", "Field": null, "State": "CO", "County": "LARIMER", "Thin Sec": "T", "Analysis": "T", "Latitude": "40.586111", "Longitude": "-104.946699", "coordinates_geohash": "9xjqgukphxmq", "Source": "FROM STATE RECORDS", "Min": "600", "Max": "8977", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}], "crcwc_url": "https://my.usgs.gov/crcwc/cutting/report/43017",...
Core Research Center, cutting DZ19311, from well operated by EXCEL ENERGYRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "DZ19311", "API Num": "0512310699", "Operator": "EXCEL ENERGY", "Well Name": "1 CRESSWELL", "Field": null, "State": "CO", "County": "WELD", "Thin Sec": "F", "Analysis": "F", "Latitude": "40.31641", "Longitude": "-104.97461", "coordinates_geohash": "9xjm75ru4793", "Source": "FROM STATE RECORDS", "Min": "520", "Max": "7550", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}], "crcwc_url": "https://my.usgs.gov/crcwc/cutting/report/43339",...
Core Research Center, cutting DZ19296, from well operated by EXCEL ENERGYRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "DZ19296", "API Num": "0512310690", "Operator": "EXCEL ENERGY", "Well Name": "1 QUARTER CIRCLE", "Field": null, "State": "CO", "County": "WELD", "Thin Sec": "F", "Analysis": "F", "Latitude": "40.3458", "Longitude": "-104.94787", "coordinates_geohash": "9xjmeber36hr", "Source": "FROM STATE RECORDS", "Min": "530", "Max": "7700", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}], "crcwc_url": "https://my.usgs.gov/crcwc/cutting/report/43213",...
Core Research Center, cutting DZ14616, from well operated by AMOCO PRODUCTIONRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "DZ14616", "API Num": "0512307261", "Operator": "AMOCO PRODUCTION", "Well Name": "1 UPRR-62", "Field": null, "State": "CO", "County": "WELD", "Thin Sec": "F", "Analysis": "F", "Latitude": "40.105098", "Longitude": "-104.655676", "coordinates_geohash": "9xjs4sbj1upu", "Source": "FROM STATE RECORDS", "Min": "1220", "Max": "7840", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}], "crcwc_url": "https://my.usgs.gov/crcwc/cutting/report/37971",...
Core Research Center, core B526, from well operated by APACHE CORPORATIONRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "B526", "API Num": "0512309510", "Operator": "APACHE CORPORATION", "Well Name": "1-17 ANTELOPE", "Field": "ANTELOPE", "State": "CO", "County": "WELD", "Type": "SLABBED", "Photos": "T", "Thin Sec": "T", "Analysis": "T", "Latitude": "40.489753", "Longitude": "-104.804433", "coordinates_geohash": "9xjqr4gtztn8", "Source": "FROM STATE RECORDS", "Security Flag": "NO SPECIAL RESTRICTIONS", "crc_collection_name": "core", "sb_parent_id": "4f4e49dae4b07f02db5e0486", "intervals": [{"Formation": "LYONS", "Age": "PERM", "Min Depth": "9007", "Max Depth": "9076"}], "crcwc_url":...
Core Research Center, cutting DZ20075, from well operated by FIRST ENERGY CORP.Raw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "DZ20075", "API Num": "1515320580", "Operator": "FIRST ENERGY CORP.", "Well Name": "41-29 WORLEY", "Field": "VAP ", "State": "KS", "County": "RAWLINS", "Thin Sec": "F", "Analysis": "F", "Latitude": "39.9421708", "Longitude": "-101.039131", "coordinates_geohash": "9z05hz381873", "Source": "FROM STATE RECORDS", "Min": "3700", "Max": "4680", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}], "crcwc_url": "https://my.usgs.gov/crcwc/cutting/report/43824",...
Core Research Center, core R667, from well operated by HAMILTON BROS OIL CORaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "R667", "API Num": "0512310678", "Operator": "HAMILTON BROS OIL CO", "Well Name": "1-29 TOTH", "Field": null, "State": "CO", "County": "WELD", "Type": "FULL", "Photos": "T", "Thin Sec": "F", "Analysis": "T", "Latitude": "40.281664", "Longitude": "-105.034185", "coordinates_geohash": "9xjm1vh3wn7j", "Source": "FROM STATE RECORDS", "Security Flag": "NO SPECIAL RESTRICTIONS", "crc_collection_name": "core", "sb_parent_id": "4f4e49dae4b07f02db5e0486", "intervals": [{"Formation": "CODELL", "Age": "CRET", "Min Depth": "5932", "Max Depth": "5972"}, {"Formation": "NIOBRARA",...
Categories: Physical Item;
Tags: CODELL,
CRET,
CRET,
Eolium (Windblown Clay, Silt (Loess), Sand And Granules),
NIOBRARA,
Core Research Center, core E606, from well operated by BEACH OIL & GASRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "E606", "API Num": "0512313588", "Operator": "BEACH OIL & GAS", "Well Name": "1-30 GILMORE", "Field": "WATTENBERG", "State": "CO", "County": "WELD", "Type": "SLABBED", "Photos": "T", "Thin Sec": "T", "Analysis": "T", "Latitude": "40.026439", "Longitude": "-104.709607", "coordinates_geohash": "9xje9q8fcm41", "Source": "FROM STATE RECORDS", "Security Flag": "NO SPECIAL RESTRICTIONS", "crc_collection_name": "core", "sb_parent_id": "4f4e49dae4b07f02db5e0486", "intervals": [{"Formation": "DAKOTA", "Age": "CRET", "Min Depth": "8086", "Max Depth": "8106"}], "crcwc_url":...
Core Research Center, core E802, from well operated by NATL PET RESERVESRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "E802", "API Num": "5011910005", "Operator": "NATL PET RESERVES", "Well Name": "1 OUMALIK", "Field": "WILDCAT", "State": "AK", "County": "IKPIKPUK RVR.", "Type": "SLABBED", "Photos": "T", "Thin Sec": "T", "Analysis": "T", "Latitude": "69.83833", "Longitude": "-155.99", "coordinates_geohash": "bs3j63etc839", "Source": "FROM STATE RECORDS", "Security Flag": "NO SPECIAL RESTRICTIONS", "crc_collection_name": "core", "sb_parent_id": "4f4e49dae4b07f02db5e0486", "intervals": [{"Formation": "UNKNOWN", "Age": null, "Min Depth": "723", "Max Depth": "733"}, {"Formation":...
Categories: Physical Item;
Tags: Quaternary,
Unconsolidated surficial deposits, undivided,
gravel,
loess,
sand,
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