Výsledky vyhledávání - "W.H. Blackburn"

Constraining the travels of a 'suspect' terrane: Paleomagnetism and geobarometry of two Early Cretaceous igneous complexes in the Peninsular Ranges Batholith, California

Autor: David T. A. Symons, T. E. Smith, W.H. Blackburn

Publikováno v: Geological Society of America Bulletin. 120:1159-1170

Paleomagnetic and rock magnetic measurements for 27 sites in the tonalitic ca. 108 Ma Alpine and ca. 100 Ma Ramona complexes in the suspect Yuma terrane or western zone of the Peninsular Ranges Batholith near San Diego show that single- and pseudosin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2adb342a9fd81f3aed2d9608c5ecbaa8
https://doi.org/10.1130/b26189.1

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Paleomagnetism of the Wintering Lake pluton and the Early Proterozoic tectonic motion of the Superior Boundary Zone, Manitoba

Autor: M. J. Harris, David T. A. Symons, D.C. Peck, W.H. Blackburn, A. Turek

Publikováno v: Canadian Journal of Earth Sciences. 43:1071-1083

This Lithoprobe-funded paleomagnetic study of the Early Proterozoic Wintering Lake granitoid body supports tectonic models that suggest continental accretion of the Trans-Hudson Orogen with the Superior Craton occurred at ~1822 Ma. Thermal demagnetiz

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::53e6cf35f2a0809e86646ebc0700a679
https://doi.org/10.1139/e06-015

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MesozoicCenozoic paleomagnetism of the Intermontane and YukonTanana terranes, Canadian Cordillera

Autor: Phil J.A. McCausland, W.H. Blackburn, M. J. Harris, David T. A. Symons, Craig J.R. Hart

Publikováno v: Canadian Journal of Earth Sciences. 42:1163-1185

Lithoprobe Slave Northern Cordillera Lithospheric Evolution (SNORCLE) transect support enabled 24 paleomagnetic collections (536 sites, 6547 specimens) to be made in the northern Cordillera. Paleopoles from 16 studies are integrated with other pub

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3486c5dd76ca5b13d2da951d2f09f237
https://doi.org/10.1139/e04-086

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Geochemistry and tectonic significance of the Ongarbira metavolcanic rocks, Singhbhum District, India

Autor: Deepak Srivastava, W.H. Blackburn

Publikováno v: Precambrian Research. 67:181-206

The volcanic-sedimentary sequence of Ongarbira occurs to the south of the Singhbhum Shear Zone and rests uncomformably on a basement topographic-low between the Chakradharpur Granite and the Singhbhum Granite. Structural analysis reveals that the Ong

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4c8ba12266f494992e9964bcf6e6566c
https://doi.org/10.1016/0301-9268(94)90010-8

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High-temperature fluid migration within oceanic Layer 3 gabbros, Hole 735B, Southwest Indian Ridge: implications for the magmatic-hydrothermal transition at slow-spreading mid-ocean ridges

Autor: T. Tajima, Y.D. Jang, H. R. Naslund, E. Kikawa, Jinichiro Maeda, W.H. Blackburn

Publikováno v: Proceedings of the Ocean Drilling Program, 176 Scientific Results

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9b9b3f1fe9183c9bb4b660c47e56cfe0
https://doi.org/10.2973/odp.proc.sr.176.004.2002

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Application of APEX for Forestry

Autor: null Saleh, null A., null J.R. Williams, null J.C. Wood, null L. M. Hauck, null W.H. Blackburn

Publikováno v: 2001 Sacramento, CA July 29-August 1,2001.

This study was conducted to determine if the Agricultural Policy/Environmental eXtender (APEX) model could reasonably replicate the effects of silvicultural practices on stream flow and loading of sediments and nutrients. APEX was modified to include

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb6fb8be71f32da81ecabb39a5666cb5
https://doi.org/10.13031/2013.7502

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Hydrologic impacts of brush management with tebuthiuron and prescribed burning on post oak savannah watersheds, Texas

Autor: J. Lloyd-Reilley, C.J. Scifres, W.H. Blackburn

Publikováno v: Agriculture, Ecosystems & Environment. 11:213-224

Selected hydrologic variables were evaluated following conversion of heavily wooded sites to open grassland with a herbicide—prescribed burning treatment sequence in east-central Texas. Terminal infiltration rates and sediment production 3 years af

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9939f5c982461a1db12ef533c3d676e0
https://doi.org/10.1016/0167-8809(84)90031-8

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Soil Response to Trampling Under Intensive Rotation Grazing

Autor: N. E. Garza, M. B. Nevill, Steven D. Warren, W.H. Blackburn

Publikováno v: Soil Science Society of America Journal. 50:1336-1341

The impact of short-term, high intensity livestock trampling on selected properties of a silty clay soil was determined at the Texas Agriculture Experiment Station located near Sonora, TX. Intensive livestock trampling typical of multi-pasture rotati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e5aa52227dc393d185e6ae0132c044e7
https://doi.org/10.2136/sssaj1986.03615995005000050050x

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Black shale studies in Kentucky. Annual report, October 1, 1977--September 30, 1978

Autor: W.H. Blackburn

Black shale studies have focussed on their geochemistry, stratigraphy, and subsurface characterization, and on the compilation of an archive of cored material. Technical progress made in these areas are reported. In addition, two Master's theses prep

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https://doi.org/10.2172/6315878

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