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Aim: A conspicuous climatic and biogeographical transition occurs at 40?45� N in western North America. This pivot point marks a north?south opposition of wet and dry conditions at interannual and decadal time-scales, as well as the northern and southern limits of many dominant western plant species. Palaeoecologists have yet to focus on past climatic and biotic shifts along this transition, in part because it requires comparisons across dissimilar records [i.e. pollen from lacustrine sediments to the north and plant macrofossils from woodrat (Neotoma) middens to the south]. To overcome these limitations, we are extending the woodrat-midden record northward into the lowlands of the central Rocky Mountains. Published...
Valley-fill alluvium deposited from ca. A.D. 1400 to 1880 is widespread in tributaries of the Paria River and is largely coincident with the Little Ice Age epoch of global climate variability. Previous work showed that alluvium of this age is a mappable stratigraphic unit in many of the larger alluvial valleys of the southern Colorado Plateau. The alluvium is bounded by two disconformities resulting from prehistoric and historic arroyo cutting at ca. A.D. 1200–1400 and 1860–1910, respectively. The fill forms a terrace in the axial valleys of major through-flowing streams. This terrace and underlying deposits are continuous and interfinger with sediment in numerous small tributary valleys that head at the base of...
A 36,200 cal yr B.P. vegetation history was developed from macrofossils and pollen from 55 packrat middens from 1287 to 1442 m elevation in the Peloncillo Mountains of southeasternmost Arizona, USA. Today, these elevations are dominated by semidesert grassland with a mixture of Chihuahuan and Sonoran Desert shrubs, including an eastern disjunct population of jojoba (Simmondsia chinensis). From 36,200 to 15,410 cal yr B.P., rocky areas just above large, pluvial lakes that occupied what are now dry playas supported Pinus edulis, Juniperus osteosperma, Juniperus cf. coahuilensis, Quercus cf. turbinella and a rich understory of summer-flowering C4 annuals and grasses, indicating abundant summer rains and mild winters....
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Surficial geologic map the Newman Peak Quadrangle of the Picacho Basin. The Picacho basin is a large and complex graben surrounded by horsts and half-horsts, which are now the Picacho, Casa Grande, Silverbell, and Sacaton mountains. It formed mainly in response to late Miocene extension. Internal drainage probably persisted until about 3 million years ago. Several thousand meters of sediments fill the basin; 2000 m of evaporites and claystone form the bulk of the basin fill (Scarborough and Pierce, 1978). The upper 200 meters or so of basin fill was deposited by a gradually aggrading, regionally integrated drainage system. Young alluvium of the Santa Cruz River is up to 30 m thick and is found within 3.2 km of the...
Core Research Center, core B210, from well operated by MOBIL OILRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "B210", "API Num": "4904509088", "Operator": "MOBIL OIL", "Well Name": "F-21-3-P KRAUSE", "Field": "COYOTE CREEK", "State": "WY", "County": "WESTON", "Type": "SLABBED", "Photos": "T", "Thin Sec": "T", "Analysis": "T", "Latitude": "44.17517", "Longitude": "-105.01147", "coordinates_geohash": "9xv763ugp2s9", "Source": "FROM STATE RECORDS", "Security Flag": "NO SPECIAL RESTRICTIONS", "crc_collection_name": "core", "sb_parent_id": "4f4e49dae4b07f02db5e0486", "intervals": [{"Formation": "DAKOTA", "Age": "CRET", "Min Depth": "6500", "Max Depth": "6535"}, {"Formation": "DAKOTA",...
Core Research Center, core B205, from well operated by DAVIS OIL COMPANYRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "B205", "API Num": "4900523159", "Operator": "DAVIS OIL COMPANY", "Well Name": "1 ALPHA FEDERAL", "Field": "WILDCAT", "State": "WY", "County": "CAMPBELL", "Type": "SLABBED", "Photos": "T", "Thin Sec": "F", "Analysis": "T", "Latitude": "44.63551", "Longitude": "-105.30051", "coordinates_geohash": "9xvjgvds8q0u", "Source": "FROM STATE RECORDS", "Security Flag": "NO SPECIAL RESTRICTIONS", "crc_collection_name": "core", "sb_parent_id": "4f4e49dae4b07f02db5e0486", "intervals": [{"Formation": "MINNELUSA", "Age": "PENN", "Min Depth": "7370", "Max Depth": "7397"}], "crcwc_url":...
Core Research Center, cutting AZ00193, from well operated by SHELL OIL CORaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "AZ00193", "API Num": "5073320007", "Operator": "SHELL OIL CO", "Well Name": "A11-13 MID GROUND SHOAL (MGS)", "Field": "MIDDLE GROUND SHOAL", "State": "AK", "County": "KENAI OFFSHORE", "Thin Sec": "F", "Analysis": "F", "Latitude": "60.7959202445", "Longitude": "-151.4955577041", "coordinates_geohash": "bdu3bes3csuw", "Source": "FROM STATE RECORDS", "Min": "4149", "Max": "8238", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}],...
Categories: Physical Item; Tags: Holocene, Water
Core Research Center, cutting AZ00071, from well operated by UNION OIL CORaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "AZ00071", "API Num": "5073310045", "Operator": "UNION OIL CO", "Well Name": "1 KUSTATAN", "Field": "MCARTHUR RIVER", "State": "AK", "County": "KENAI OFFSHORE", "Thin Sec": "F", "Analysis": "F", "Latitude": "60.7773691628", "Longitude": "-151.6384222261", "coordinates_geohash": "bdu1v2hmbdv1", "Source": "FROM STATE RECORDS", "Min": "850", "Max": "11860", "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/34",...
Categories: Physical Item; Tags: Holocene, Water
Core Research Center, cutting AZ00052, from well operated by PAN AM PET CORPRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "AZ00052", "API Num": "5073310066", "Operator": "PAN AM PET CORP", "Well Name": "1 M G S 18746", "Field": "MIDDLE GROUND SHOAL", "State": "AK", "County": "KENAI OFFSHORE", "Thin Sec": "F", "Analysis": "F", "Latitude": "60.7350767504", "Longitude": "-151.5191191598", "coordinates_geohash": "bdu3807pkwgu", "Source": "FROM STATE RECORDS", "Min": "260", "Max": "10298", "Security Flag": null, "crc_collection_name": "cutting", "sb_parent_id": "4f4e49d8e4b07f02db5df2d2", "intervals": [{"Formation": null, "Age": null, "Min Depth": null, "Max Depth": null}], "crcwc_url":...
Categories: Physical Item; Tags: Holocene, Water
Core Research Center, cutting AZ00051, from well operated by PAN AM PET CORPRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "AZ00051", "API Num": "5028310030", "Operator": "PAN AM PET CORP", "Well Name": "2 TYONEK-STATE 17587", "Field": "EXPLORATORY", "State": "AK", "County": "TYONEK", "Thin Sec": "F", "Analysis": "F", "Latitude": "61.0134631117", "Longitude": "-151.2843193821", "coordinates_geohash": "bdu7j7nj5vgk", "Source": "FROM STATE RECORDS", "Min": "630", "Max": "12335", "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/15",...
Categories: Physical Item; Tags: Holocene, Water
Core Research Center, core B580, from well operated by MOBIL OILRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "B580", "API Num": "4900505455", "Operator": "MOBIL OIL", "Well Name": "F 34-8-P HALVERSON", "Field": "HALVERSON", "State": "WY", "County": "CAMPBELL", "Type": "CHIPS", "Photos": "F", "Thin Sec": "F", "Analysis": "T", "Latitude": "44.23609", "Longitude": "-105.17226", "coordinates_geohash": "9xv5wszvusyg", "Source": "FROM STATE RECORDS", "Security Flag": "NO SPECIAL RESTRICTIONS", "crc_collection_name": "core", "sb_parent_id": "4f4e49dae4b07f02db5e0486", "intervals": [{"Formation": "MINNELUSA", "Age": "PENN", "Min Depth": "8486", "Max Depth": "8536"}], "crcwc_url": "https://my.usgs.gov/crcwc/core/report/9599",...
Core Research Center, cutting DZ20436, from well operated by BASS ENTERPRISESRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "DZ20436", "API Num": "4901520121", "Operator": "BASS ENTERPRISES", "Well Name": "4-21 HOVEY", "Field": "WC", "State": "WY", "County": "GOSHEN", "Thin Sec": "F", "Analysis": "F", "Latitude": "42.1659", "Longitude": "-104.20299", "coordinates_geohash": "9xmzuu1dnm7n", "Source": "FROM STATE RECORDS", "Min": "2500", "Max": "6700", "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/42960",...
Categories: Physical Item; Tags: Dune Sand, Holocene, sand
Core Research Center, cutting DZ11675, from well operated by TENNESSEE GAS TRANSMISSIONRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "DZ11675", "API Num": "4303911243", "Operator": "TENNESSEE GAS TRANSMISSION", "Well Name": "1 J.M. IRONS", "Field": null, "State": "UT", "County": "SANPETE", "Thin Sec": "F", "Analysis": "F", "Latitude": "39.51458", "Longitude": "-111.58429", "coordinates_geohash": "9x08uc6v1edg", "Source": "FROM STATE RECORDS", "Min": "100", "Max": "9990", "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/35879",...
Core Research Center, cutting CZ05046, from well operated by MURPHY OILRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "CZ05046", "API Num": "4903706468", "Operator": "MURPHY OIL", "Well Name": "1 UPRR", "Field": "CONTINENTAL DIVIDE", "State": "WY", "County": "SWEETWATER", "Thin Sec": "F", "Analysis": "F", "Latitude": "41.89098", "Longitude": "-107.88955", "coordinates_geohash": "9x7q2fj0xk8t", "Source": "FROM STATE RECORDS", "Min": "820", "Max": "3180", "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/17267",...
Core Research Center, cutting CZ05096, from well operated by TENNECO OILRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "CZ05096", "API Num": "4900505107", "Operator": "TENNECO OIL", "Well Name": "1-A BISHOP", "Field": "DILLINGER RANCH", "State": "WY", "County": "CAMPBELL", "Thin Sec": "F", "Analysis": "F", "Latitude": "44.07018", "Longitude": "-105.16873", "coordinates_geohash": "9xv4wydrquzp", "Source": "FROM STATE RECORDS", "Min": "7600", "Max": "9200", "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/17539",...
Core Research Center, cutting CZ05184, from well operated by UNITED WESTERN OIL & GASRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "CZ05184", "API Num": "4901905170", "Operator": "UNITED WESTERN OIL & GAS", "Well Name": "12-1 GOVERNMENT", "Field": "WC", "State": "WY", "County": "JOHNSON", "Thin Sec": "F", "Analysis": "F", "Latitude": "43.53252", "Longitude": "-106.52245", "coordinates_geohash": "9xsr8hber1bk", "Source": "FROM STATE RECORDS", "Min": "180", "Max": "2426", "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/17848",...
Core Research Center, cutting CZ05615, from well operated by COLORADO OIL; GOWER OILRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "CZ05615", "API Num": "4900506216", "Operator": "COLORADO OIL; GOWER OIL", "Well Name": "1 DILLINGER", "Field": "WC", "State": "WY", "County": "CAMPBELL", "Thin Sec": "F", "Analysis": "F", "Latitude": "44.10958", "Longitude": "-105.14851", "coordinates_geohash": "9xv4zmchyjsm", "Source": "FROM STATE RECORDS", "Min": "390", "Max": "8931", "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/17132",...
Core Research Center, cutting CZ05858, from well operated by ARROWHEAD EXPLORATIONRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "CZ05858", "API Num": "4900506295", "Operator": "ARROWHEAD EXPLORATION", "Well Name": "42-1 SNYDER", "Field": "WC", "State": "WY", "County": "CAMPBELL", "Thin Sec": "F", "Analysis": "F", "Latitude": "44.78143", "Longitude": "-105.20944", "coordinates_geohash": "9xvnvbhydree", "Source": "FROM STATE RECORDS", "Min": "300", "Max": "6990", "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/18041",...
Categories: Physical Item; Tags: Alluvium, Holocene
Core Research Center, cutting CZ06532, from well operated by DAVIS OILRaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "CZ06532", "API Num": "4900520166", "Operator": "DAVIS OIL", "Well Name": "1 HART-FEDERAL", "Field": "HUNTER RANCH", "State": "WY", "County": "CAMPBELL", "Thin Sec": "F", "Analysis": "F", "Latitude": "44.90417", "Longitude": "-105.53961", "coordinates_geohash": "9xuzqqs3szfz", "Source": "FROM STATE RECORDS", "Min": "6360", "Max": "6860", "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/18418",...
Core Research Center, cutting CZ06553, from well operated by SINCLAIR OIL & GAS CORaw Properties from download, web scrape, MapServer, and Macrostrat API{"Lib Num": "CZ06553", "API Num": "4900520216", "Operator": "SINCLAIR OIL & GAS CO", "Well Name": "1 SVALINA EWING", "Field": "ROZET WEST", "State": "WY", "County": "CAMPBELL", "Thin Sec": "F", "Analysis": "F", "Latitude": "44.29037", "Longitude": "-105.25904", "coordinates_geohash": "9xv5uybdne7h", "Source": "FROM STATE RECORDS", "Min": "6500", "Max": "8890", "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/18551",...


map background search result map search result map Core Research Center Core B205 Core Research Center Core B210 Core Research Center Core B580 Core Research Center Cutting AZ00051 Core Research Center Cutting AZ00052 Core Research Center Cutting AZ00071 Core Research Center Cutting AZ00193 Core Research Center Cutting CZ05046 Core Research Center Cutting CZ05096 Core Research Center Cutting CZ05184 Core Research Center Cutting CZ05615 Core Research Center Cutting CZ05858 Core Research Center Cutting CZ06532 Core Research Center Cutting CZ06553 Core Research Center Cutting DZ11675 Core Research Center Cutting DZ20436 Surficial geologic map of the Newman Peak Quadrangle, Pinal County, Arizona Surficial geologic map of the Newman Peak Quadrangle, Pinal County, Arizona