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Found 51 dataset(s) matching "mafic volcanic rock".
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The Goat Rocks volcanic cluster is a major andesitic locus in the southern Washington Cascade Range that persisted for approximately 3 million years (3.1 Ma to 115 ka) while coeval mafic volcanoes...
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While the timing and composition of the Yellowstone Plateau volcanic field’s caldera-forming tuffs and rhyolite flows are well-characterized, the chronology of smaller-volume mafic eruptions is...
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The database for the Washington West 30- by 60-minute quadrangle covers an area of approximately 4,884 square kilometers (1,343 square miles) in and west of the Washington, D.C., metropolitan...
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During the 2020–2021 summit eruption of Kīlauea volcano, Island of Hawaiʻi, staff at the U.S. Geological Survey Hawaiian Volcano Observatory (HVO) conducted 17 helicopter overflights of the...
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During the 2020–2021 summit eruption of Kīlauea volcano, Island of Hawaiʻi, staff at the U.S. Geological Survey Hawaiian Volcano Observatory (HVO) conducted 17 helicopter overflights of the...
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During the 2020–2021 summit eruption of Kīlauea volcano, Island of Hawaiʻi, staff at the U.S. Geological Survey Hawaiian Volcano Observatory (HVO) conducted 17 helicopter overflights of the...
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During the 2020–2021 summit eruption of Kīlauea volcano, Island of Hawaiʻi, staff at the U.S. Geological Survey Hawaiian Volcano Observatory (HVO) conducted 17 helicopter overflights of the...
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The database for the geologic map of the Frederick 30 x 60 quadrangle covers the distinct geologic provinces and sections of the central Appalachian region that are defined by unique bedrock and...
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This geologic database is a digitized version of the original 1:24,000-scale analog geologic map titled "Geologic map of the Vidal, California, and Parker SW, California-Arizona quadrangles",...
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This geologic database is a digitized version of the original 1:24,000-scale analog geologic map titled "Geologic map of the Parker NW, Parker, and parts of the Whipple Mountains SW and Whipple...
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We depict changing eruptive features within the summit caldera of Kilauea volcano, Island of Hawai'i with rapid-response digital elevation models (DEMs) acquired since a series of caldera-filling...
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We depict changing eruptive features within the summit caldera of Kilauea volcano, Island of Hawai'i with rapid-response digital elevation models (DEMs) acquired since a series of caldera-filling...
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We depict changing eruptive features within the summit caldera of Kilauea volcano, Island of Hawai'i with rapid-response digital elevation models (DEMs) acquired since a series of caldera-filling...
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We depict changing eruptive features within the summit caldera of Kilauea volcano, Island of Hawai'i with rapid-response digital elevation models (DEMs) acquired since a series of caldera-filling...
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We depict changing eruptive features within the summit caldera of Kilauea volcano, Island of Hawai'i with rapid-response digital elevation models (DEMs) acquired since a series of caldera-filling...
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Lava flow hazards are usually thought to end when the erupting vent becomes inactive, but this is not always the case. At Kilauea in August 2014, a spiny 'a'a flow erupted from the levee of a...
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Lava flow hazards are usually thought to end when the erupting vent becomes inactive, but this is not always the case. At Kilauea in August 2014, a spiny 'a'a flow erupted from the levee of a...
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A database of geologic map of Lassen Volcanic National Park as described in the original abstract: The geologic map of Lassen Volcanic National Park (LVNP) and vicinity encompasses 1,905 square...
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In the late evening of November 27, 2022, an effusive eruption began inside Moku'aweoweo caldera at the summit of Mauna Loa volcano. Within a few hours, lava had covered most of the caldera floor,...
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In the late evening of November 27, 2022, an effusive eruption began inside Moku'aweoweo caldera at the summit of Mauna Loa volcano. Within a few hours, lava had covered most of the caldera floor,...