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Filters Date Range Past year (1) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions ArcGIS Service Definition (5) ArcGIS Map Package (3) ArcGIS REST Service (1) Types Map Service (6) ArcGIS REST Map Service (5) ArcGIS Service Definition (5) Downloadable (5) ArcGIS Map Package (3) More... Contacts U.S. Geological Survey U.S. Geological Survey - ScienceBase Joseph A Bard Jeff Peters Michael H Zoeller More... Categories Data (6) Tag Types Theme (8) Place (7) USGS Scientific Topic Keyword (8) Harvest Set (8) Tag Schemes None (4) Common geographic areas (4) USGS Thesaurus (4) Lithologic classification of geologic map units (1) Alexandria Digital Library Feature Type Thesaurus (4) ISO 19115 Topic Category (4) GNIS (1) More... View Results as: JSON ATOM CSV

Database for the Geologic Map of Three Sisters Volcanic Cluster, Cascade Range, Oregon A database of geologic map of Three Sisters Volcanic Cluster as described in the original abstract: The geologic map represents part of a late Quaternary volcanic field within which scores of eruptions have taken place over the last 50,000 years, some as recently as ~1,500 years ago. No rocks of early Pleistocene (or greater) age crop out within the map area, although volcanic and derivative sedimentary rocks of Miocene and Pliocene age are widespread to the east and west and are certainly buried beneath the younger volcanic field. Of the 145 volcanic map units described herein, only 22 are certainly older than late Pleistocene (>126 ka), and 12 are postglacial (<15 ka). The oldest unit identified yields an age... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Andesite, Basalt, Basaltic andesite, Bend, Oregon, Dacite, All tags... Geochemistry, Geomorphology, Geophysics, Oregon, Rhyodacite, Rhyolite, Sisters, Oregon, Three Sisters Volcanic Cluster, Three Sisters Volcanic Cluster, USGS Science Data Catalog (SDC), United States of America, Volcanology, biota, debris avalanche, lava flows, Fewer tags Database for the Geologic Map and Structure Sections of the Clear Lake Volcanics, Northern California This geologic map database is a reproduction of U.S. Geological Survey Miscellaneous Investigations Map I–2362: “Geologic Map and Structure Sections of the Clear Lake Volcanics, Northern California” (Hearn, Donnelly-Nolan, and Goff, 1995). The database consists of a geologic map, three structural cross sections and a table of petrographic data for each map unit by mineral type, abundance, and size. The Clear Lake Volcanics are in the California Coast Ranges about 150 km north of San Francisco. This Quaternary volcanic field has erupted intermittently since 2.1 million years ago. This volcanic field is considered a high-threat volcanic system (Ewert and others, 2005). The adjacent Geysers geothermal field, the largest... Tags: California, Clear Lake, Geochemistry, Geography, Geomorphology, All tags... Lake County, Land Use Change, Mount Konocti, Sonoma County, Stratigraphy, The Geysers, USGS Science Data Catalog (SDC), United States of America, climatologyMeteorologyAtmosphere, earth sciences, geologic maps, geology, health, volcanoes, volcanology, Fewer tags Geologic map database to accompany geologic map of the State of Hawaii This digital publication contains all the geologic map information used to publish U.S. Geological Survey Geologic Investigations Map Series SIM-3143 (Sherrod and others, 2021). This geologic map shows the distribution and stratigraphic relation of volcanic, intrusive, and sedimentary units emplaced in the past 8 million years across the eight principal islands of the Hawaiian archipelago, State of Hawaii, U.S.A. This geologic map database is accompanied by a report, which includes the formatted geologic map and explanatory pamphlet, available at https://doi.org/10.3133/sim3143​. The authors ask that users of the geologic map database cite both the report and the database: Report: Sherrod, D.R., Sinton, J.M.,... Categories: Data; Types: ArcGIS Map Package, ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Hana, Hawaii, Honolulu, Kahoolawe, Kauai County, All tags... Lanai, Maui, Molokai, Niihau, Oahu, USGS Science Data Catalog (SDC), United States, Volcanology, Wailuku, faults, geologic maps, geology, geoscientificInformation, volcanoes, Fewer tags Yellowstone Sample Collection - database This database was prepared using a combination of materials that include aerial photographs, topographic maps (1:24,000 and 1:250,000), field notes, and a sample catalog. Our goal was to translate sample collection site locations at Yellowstone National Park and surrounding areas into a GIS database. This was achieved by transferring site locations from aerial photographs and topographic maps into layers in ArcMap. Each field site is located based on field notes describing where a sample was collected. Locations were marked on the photograph or topographic map by a pinhole or dot, respectively, with the corresponding station or site numbers. Station and site numbers were then referenced in the notes to determine... Categories: Data; Tags: USGS Science Data Catalog (SDC), Volcanology, Yellowstone plateau, caldera, rhyolite, All tags... rock samples, Fewer tags Database for the Geologic Map of Lower Geyser Basin, Yellowstone National Park, Wyoming This data release contains digital GIS files digitized from 'Geologic map of Lower Geyser Basin, Yellowstone National Park, Wyoming' by L.J.P. Muffler, D.E. White, A.H. Truesdell, and R.O. Fournier, Miscellaneous Investigations Series Map I-1373. Categories: Data; Types: ArcGIS Map Package, ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Geyser, Hot spring, Hydrothermal Deposits, Lower Geyser Basin, Spring, All tags... USGS Science Data Catalog (SDC), Volcanology, Wyoming, Yellowstone National Park, Yellowstone National Park, Fewer tags Geospatial database of the 2018 lower East Rift Zone eruption of Kīlauea Volcano, Hawaiʻi The 2018 lower East Rift Zone eruption of Kīlauea Volcano began in the late afternoon of 3 May, with fissure 1 opening and erupting lava onto Mohala Street in the Leilani Estates subdivision, part of the lower Puna District of the Island of Hawaiʻi. For the first week of the eruption, relatively viscous lava flowed only within a kilometer (0.6 miles) of the fissures within Leilani Estates, before activity shifted downrift (east-northeast) and out of the subdivision during mid-May. Around 18 May, activity along the lower East Rift Zone intensified, and fluid lava erupting at higher effusion rates from the downrift fissures reached the ocean within two days. Near the end of May, this more vigorous activity shifted... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: East Rift Zone, Green Lake, Hawaii, Hawaiʻi, Island of Hawaiʻi, All tags... Kapoho Bay, Kapoho OE N quadrangle, Kapoho quadrangle, Kīlauea, Leilani Estates, Puna District, Pāhoa North quadrangle, Pāhoa South quadrangle, State of Hawaii, USGS Science Data Catalog (SDC), United States of America, Vacationland Hawaii, Volcanology, Waiopae, andesite, basalt, basaltic andesite, geology, lava, lava flow, lower East Rift Zone, map, shield volcano, tholeiitic basalt, volcano, Fewer tags Database for the geologic map of the central San Juan caldera cluster, southwestern Colorado This geodatabase contains all the geologic map information for the Geologic Map of the San Juan caldera cluster, southwestern Colorado and is part of U.S. Geological Survey Geologic Investigations Map Series I-2799. The San Juan Mountains are the largest erosional remnant of a composite volcanic field that covered much of the southern Rocky Mountains in middle Tertiary time. The San Juan field consists mainly of intermediate-composition lavas and breccias, erupted about 35-30 Ma from scattered central volcanoes (Conejos Formation) and overlain by voluminous ash-flow sheets erupted from caldera sources. In the central San Juan Mountains, eruption of at least 8,800 km3 of dacitic-rhyolitic magma as nine major ash... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Andesite, Ash-flow tuff, Basalt, Central San Juan Caldera Cluster, Central San Juan Mountains, All tags... Colorado, Geochemistry, Gunnison, Lava flow, Pyroclastic rock, Rhyolite, San Juan, Tuff, USGS Science Data Catalog (SDC), United States, Volcanic breccia, Volcanology, Welded tuff, caldera, faulting (geologic), faulting (geologic), geoscientificInformation, volcanic activity, volcanic activity, volcanic eruptions, volcanic features, volcanic rocks, volcanic rocks, volcanology, volcanology, Fewer tags Database for the Geologic Map of Pocket Basin, Yellowstone National Park, Wyoming This digital publication describes completely the hydrothermal, sedimentary, and volcanic deposits, as well as thermal features as a basis for understanding the hydrothermal processes and explosions in Pocket Basin, Yellowstone National Park, Wyoming at 1:2,400 scale. Categories: Data; Types: ArcGIS Map Package, ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Lower Geyser Basin, USGS Science Data Catalog (SDC), United States of America, Volcanology, Wyoming, All tags... Yellowstone, geology, hydrothermal explosion craters, hydrothermal processes, volcanoes, Fewer tags