Zobrazeno 1 - 10 of 24 pro vyhledávání: '"Val W. Chandler"'
1
Utility of the horizontal-to-vertical spectral ratio passive seismic method for estimating thickness of Quaternary sediments in Minnesota and adjacent parts of Wisconsin
Autor: Richard S. Lively, Val W. Chandler
Publikováno v: Interpretation. 4:SH71-SH90
Quaternary glacial and fluvial sediments in Minnesota and adjacent areas are a major source for groundwater, and they are important to many geologic investigations. Unfortunately, the thicknesses of these widespread sediments are often poorly known.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::566c2769c4a09e422b9a0cac3481769e
https://doi.org/10.1190/int-2015-0212.1
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2
Reviewing the configuration and extent of the Midcontinent rift system
Autor: Val W. Chandler, William J. Hinze
Publikováno v: Precambrian Research. 342:105688
Uncertainty exists in the configuration and extent of the Midcontinent Rift System (MRS) because of deficiencies in geophysical data and limited information from outcrops and basement drill holes. Additional ambiguity is caused by misunderstanding th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3236d0f3a69d7c681db41c2c4538c6a0
https://doi.org/10.1016/j.precamres.2020.105688
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7
The West-Central Minnesota Earthquake of June 5, 1993: An Opportunity to Re-examine Seismicity Near the Morris Fault
Autor: Val W. Chandler
Publikováno v: Seismological Research Letters. 66:113-121
The June 5, 1993 west-central Minnesota earthquake (m bLg = 4.1) provides an opportunity to re-investigate Minnesota seismicity and its possible relationship to reactivated basement structures. This earthquake occurred within 25 km of the much larger
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::afb7dd2ff06d27730b3c6110f9d94572
https://doi.org/10.1785/gssrl.66.6.113
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8
Geologic interpretation of gravity and magnetic data over the central part of the Duluth Complex, northeastern Minnesota
Autor: Val W. Chandler
Publikováno v: Economic Geology. 85:816-829
The Duluth Complex, a plutonic component of the midcontinent rift system, has potential for deposits of Cu-Ni sulfides, Ti-V-Cr oxides, and platinum-group elements. A major obstacle to exploration in much of the complex has been the lack of reliable
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cf4ebb4dd5c9195959b40fa6bccd60a1
https://doi.org/10.2113/gsecongeo.85.4.816
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9
A geophysical profile of the southern margin of the midcontinent rift system in western Lake Superior
Autor: Lawrence W. Braile, William J. Hinze, Val W. Chandler
Publikováno v: Tectonics. 9:303-310
A 70-km-long seismic reflection profile in western Michigan provides new insight into the nature, distribution, and structure of the Keweenawan Supergroup volcanic and overlying sedimentary rocks and the controversial Keweenaw fault along the souther
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d95069a1c47d14cd952756e1918eb9a7
https://doi.org/10.1029/tc009i002p00303
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10
Geology, petrology, and tectonic significance of the Beaver Bay Complex, northeastern Minnesota
Autor: James D. Miller, Val W. Chandler
The Beaver Bay Complex (BBC) is a hypabyssal, multiple-intrusive igneous complex exposed over a 600 km2 area in northeastern Minnesota. It was emplaced into comagmatic volcanic rocks at 1.1 Ga during the development of the Midcontinent Rift System. T
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8ba2c614994a7c1cfa2a513155d03dd0
https://doi.org/10.1130/0-8137-2312-4.73
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