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Hydrothermally altered rocks, particularly if water saturated, can weaken stratovolcanoes, thereby increasing the potential for catastrophic sector collapses that can lead to far-traveled, destructive debris flows, which are the largest volcanic hazards for Mount Adams and Mount Baker. Evaluating the hazards associated with such alteration is difficult because much of the alteration is obscured by ice and its depth extent is unknown. Intense hydrothermal alteration significantly reduces the resistivity and magnetization of volcanic rock and therefore hydrothermally altered rocks are identified with helicopter electromagnetic and magnetic measurements at Mount Baker and Mount Adams. High resolution magnetic and electromagnetic...
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Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude, altitude, and magnetic-field values.
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Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude, altitude, and magnetic-field values.
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This location is part of the Arizona Mineral Industry Location System (AzMILS), an inventory of mineral occurences, prospects and mine locations in Arizona. Pima718 is located in T18S R13E Sec 20 C in the Twin Buttes - 15 Min quad. This collection consists of various reports, maps, records and related materials acquired by the Arizona Department of Mines and Mineral Resources regarding mining properties in Arizona. Information was obtained by various means, including the property owners, exploration companies, consultants, verbal interviews, field visits, newspapers and publications. Some sections may be redacted for copyright. Please see the access statement.
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Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude, altitude, and magnetic-field values.
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Aeromagnetic data were collected along flight lines by instruments in an aircraft that recorded magnetic-field values and locations. This dataset presents latitude, longitude, altitude, and magnetic-field values.
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This data release provides access to a low-altitude, aeromagnetic survey over parts of Missouri, Arkansas, and Tennessee, an area centered about 100 km north of Memphis, Tennessee. The survey covers parts of the southern arm of the New Madrid seismic zone, the northwestern margin of the Reelfoot rift, the Blytheville arch, and the Commerce geophysical lineament (reference: Langenheim, V.E., and Hildenbrand, T.G., 1997, Geological Society of America Bulletin, v. 109, p. 580). The survey is underlain by Paleocene and younger sediments, consisting of silt, clay, sand, and gravel. Plutons and other intrusive rocks lie at depth. These data were acquired between July 12 and July 28, 2013, by EDCON-PRJ, Inc., working under...
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This data release provides access to a low-altitude, aeromagnetic survey of a part of south-central Washington centered approximately 30 km east of Yakima and referred to as the Hanford aeromagnetic survey. The survey includes the city of Richland, numerous smaller communities, and the Hanford Site (https://www.hanford.gov). The Hanford aeromagnetic survey extends from the Columbia Plateau westward to the Cascade Range and illuminates magnetic anomalies associated with folds and faults of the Yakima folds, including the Toppenish Ridge, Ahtanum Ridge, Umtanum Ridge, Boyleston Mountain, Rattlesnake Mountain, Saddle Mountains, and Frenchman Hills anticlines. These data were acquired during September and October, 2009,...
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This location is part of the Arizona Mineral Industry Location System (AzMILS), an inventory of mineral occurences, prospects and mine locations in Arizona. Cochise612 is located in T13S R25E Sec 17 NW in the Willcox North - 7.5 Min quad. This collection consists of various reports, maps, records and related materials acquired by the Arizona Department of Mines and Mineral Resources regarding mining properties in Arizona. Information was obtained by various means, including the property owners, exploration companies, consultants, verbal interviews, field visits, newspapers and publications. Some sections may be redacted for copyright. Please see the access statement.
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This location is part of the Arizona Mineral Industry Location System (AzMILS), an inventory of mineral occurences, prospects and mine locations in Arizona. Cochise803 is located in T15S R22E Sec 13 W2 in the Steele Hills - 7.5 Min quad. This collection consists of various reports, maps, records and related materials acquired by the Arizona Department of Mines and Mineral Resources regarding mining properties in Arizona. Information was obtained by various means, including the property owners, exploration companies, consultants, verbal interviews, field visits, newspapers and publications. Some sections may be redacted for copyright. Please see the access statement.
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Heinrichs Geoexploration Co. Maps: Cortaro Quadrangle Aeromagnetic Contour Map; 1 in. to 1 mile; 21 x 19 in.
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This data release provides access to a low-altitude, aeromagnetic survey of a part of south-central Washington and north-central Oregon. The survey extends from the Blue Mountains westward to the Cascade Range and covers the Oregon cities of The Dalles, Hermiston, and Milton Freewater and the Washington cities of Richland, Pasco, Kennewick, and Walla Walla. Data were acquired during the summer of 2010 by Goldak Airborne Surveys working under contract to the U.S. Geological Survey. Total magnetic field values were acquired using a fixed-wing aircraft flown at a target elevation of 150 m above terrain (305 m over urban areas) and along flight lines and tie lines spaced 400 m and 4000 m apart, respectively. Flight...


map background search result map search result map Aeromagnetic data for Saddle Mountain, Idaho Aeromagnetic data for Sherbrooke-Lewiston, New Hampshire Aeromagnetic data for Amargosa-Death Valley, California Aeromagnetic data for Adirondack Mountains North, New York Survey Part 2 of 2 Aeromagnetic data for Southeast Ohio, Ohio Aeromagnetic data for San Jose, California ADMMR mining collection file: Lucero Property ADMMR mining collection file: Iron Door ADMMR mining collection file: Strong And Harris Collins Claim Group, Preliminary Composite Map Christmas Area, Aeromagnetic Map Showing Total Magnetic Intensity - Notes Page 1 San Simon, Magnetic Interpretation Safford, Magnetic Interpretation Gibson Mine, I.P. Location and Interpretation Plan Cortaro Quadrangle Aeromagnetic Contour Map Area 4, Aerial-Magnetic Location Plan and Geology Mount Adams Electromagnetic and Magnetic Data High-Resolution Aeromagnetic Survey of the Pasco Area, Washington and Oregon High-Resolution Aeromagnetic Survey of the Hanford Area, Washington High-Resolution Aeromagnetic Survey Over the New Madrid Seismic Zone, Missouri, Arkansas, and Tennessee ADMMR mining collection file: Strong And Harris ADMMR mining collection file: Iron Door ADMMR mining collection file: Lucero Property Mount Adams Electromagnetic and Magnetic Data Aeromagnetic data for Saddle Mountain, Idaho Aeromagnetic data for San Jose, California Aeromagnetic data for Adirondack Mountains North, New York Survey Part 2 of 2 Aeromagnetic data for Sherbrooke-Lewiston, New Hampshire High-Resolution Aeromagnetic Survey Over the New Madrid Seismic Zone, Missouri, Arkansas, and Tennessee Aeromagnetic data for Amargosa-Death Valley, California Aeromagnetic data for Southeast Ohio, Ohio San Simon, Magnetic Interpretation High-Resolution Aeromagnetic Survey of the Hanford Area, Washington High-Resolution Aeromagnetic Survey of the Pasco Area, Washington and Oregon Cortaro Quadrangle Aeromagnetic Contour Map