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This cover includes seismic refraction lines that have geophysicalcross sectional interpretations constraining subsurface structuresthat may penetrate to hypocentral depths. Lines were gathered fromtheses, dissertations, and publications.
Tags: 1200 - Geophysics, 17025 = Clay, 17047 = Edwards, 17055 = Franklin, 17059 = Gallatin, All tags...
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Lines in this cover show lineaments or boundaries of largelineaments interpreted from gravity and magnetic data. Theselineaments are thought to reflect structures in the crust that may berelated to earthquake generation or control of earthquake location.The broad Paducah gravity lineament trends southeast across the SW cornerof the map area. Hildenbrand and others (1996) have interpreted that thelineament represents numerous upper-crustal mafic intrustions.Within and west of the map area, small earthquakes are aligned withthe NE edge of the lineament and their abundance decreases abruptlyNE across the edge.The Commerce geophysical lineament trends NE across the map area.Langenheim and Hildenbrand (1997) attribute...
Tags: 1200 - Geophysics, 17025 = Clay, 17047 = Edwards, 17055 = Franklin, 17059 = Gallatin, All tags...
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This cover includes seismic reflection lines that have geophysicalcross-sectional interpretations constraining subsurface structuresthat may penetrate to hypocentral depths. Lines were gathered fromtheses, dissertations, and publications.
Tags: 1200 - Geophysics, 17025 = Clay, 17047 = Edwards, 17055 = Franklin, 17059 = Gallatin, All tags...
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Sediment magnetic and geochemical results have been obtained fromthe top 60 meters of lacustrine sediments recovered in two coresfrom Tule Lake in northern California. The sediment magnetic andgeochemical data, presented here in tabular form, complementstudies of diatoms and pollen in the cores that are the bases forpublished paleoclimatic interpretations. This report alsodocuments the methods used to obtain the magnetic properties andgeochemical data.
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Lines in this cover show where gravity oe aeromagnetic data have beenmodelled to constrain subsurface structure. Gravity andmagnetic signatures result from deep structure, such as might be athypocentral depths of earthquakes. We show only the lines for whichinterpretations or models are publically available. In gravmag_all,extent of the lines outside the study boundary is retained;in gravmag the lines have been clipped to the study boundary.
Tags: 1200 - Geophysics, 1201 - Magnetics, 1202 - Gravity, 17025 = Clay, 17047 = Edwards, All tags...
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Magnetotelluric soundings give data that can help define the lelectricamagnetic properties of rocks, and with othergeophysical data help define thestructure of the shallow crust where earthquakes occur. The soundingpoints in this cover show where data was collected that was thenmodelled for deep structure (see reference).
Tags: 1200 - Geophysics, 1201 - Magnetics, 17025 = Clay, 17047 = Edwards, 17055 = Franklin, All tags...
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Sediment magnetic and paleomagnetic studies were conducted on a core fromBuck Lake, Klamath County, Oregon, that was collected as part of aninvestigation into the Quaternary climate history of the western UnitedStates. This report documents the methods used to obtain paleomagneticdirections, magnetic properties, and ancillary data, and presents thesedata in tabular form.


    map background search result map search result map Seismotectonic maps in the vicinity of the lower Wabash Valley, Illinois, Indiana, and Kentucky - Digital Spatial Database: Seismic refraction lines Sediment Magnetic and Paleomagnetic Data from Buck Lake, Oregon Sediment Magnetic and Geochemical Data from Quaternary Lacustrine Sediment in Two Cores from Tule Lake, Siskiyou County, California Sediment Magnetic and Paleomagnetic Data from Buck Lake, Oregon Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:COCORP seismic reflection surveys Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:Gravity and aeromagnetic surveying and modeling lines Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:Geophysical lineaments Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:Magnetotelluric sounding points and modelling lines Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:Seismic reflection lines Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:Seismic refraction lines Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:COCORP seismic reflection surveys Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:Seismic refraction lines Seismotectonic maps in the vicinity of the lower Wabash Valley, Illinois, Indiana, and Kentucky - Digital Spatial Database: Seismic refraction lines Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:Gravity and aeromagnetic surveying and modeling lines Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:Geophysical lineaments Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:Seismic reflection lines Seismotectonic maps in the vicinity of the lower Wabash Valley,Illinois, Indiana, and Kentucky - Digital Spatial Database:Magnetotelluric sounding points and modelling lines