Lake George Terrane

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Series: GSA Special Papers
Published: 01 January 1984
DOI: 10.1130/SPE194-p1
... of nappe formation. The stratigraphy of the Adirondacks is interpreted to consist of an older granitic basement, referred to as the Piseco Group, overlain unconformably by a metamorphosed clastic/carbonate sequence, referred to as the Oswegatchie Group in the northwest and the Lake George Group...
Published: 01 December 2005
DOI: 10.5724/gcs.05.25.0151
EISBN: 978-0-9836096-5-0
..., such as the Pennsylvania salient, introduced structural complexities. East-northeast/west-southwest striking, dextral, transpressional strike-slip faults of this salient became reactivated during Carnian-Toarcian rifting. They formed sinistral, transtensional strike-slip “rails” that prevented the Georges Bank–Tarfaya...
Journal Article
Published: 01 October 2004
The Canadian Mineralogist (2004) 42 (5): 1443-1464.
...Xue-Ming Yang; David R. Lentz; Guoxiang Chi; T. Kurtis Kyser Abstract The Early Devonian Lake George granodiorite stock, New Brunswick, Canada, is spatially and temporally associated with early W–Mo–Au and later Au–Sbmineralization. The former mine was the largest antimony producer in North America...
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Journal Article
Journal: GSA Bulletin
Published: 01 July 2004
GSA Bulletin (2004) 116 (7-8): 771-787.
...Ronald L. Bruhn; Terry L. Pavlis; George Plafker; Laura Serpa Abstract The Saint Elias orogen of southern Alaska and adjacent Canada is a complex belt of mountains formed by collision and accretion of the Yakutat terrane into the transition zone from transform faulting to subduction...
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Journal Article
Journal: GSA Bulletin
Published: 01 September 2006
GSA Bulletin (2006) 118 (9-10): 1212-1231.
...Tyler W. Ruks; Stephen J. Piercey; James J. Ryan; Michael E. Villeneuve; Robert A. Creaser Abstract Potassic feldspar-bearing augen granitoids are a fundamental component of the architecture of the Yukon-Tanana terrane and the ancient Pacific margin of the northern Cordillera. These augen...
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Journal Article
Published: 01 September 2006
South African Journal of Geology (2006) 109 (3): 411-427.
... and is used to further constrain the Paleoproterozoic evolution of the WAC. The Kedougou-Kenieba Inlier (KKI) is located in eastern Senegal and represents the westernmost exposed part of Palaeoproterozoic Birimian terranes of the West African Craton (WAC). To the west, the KKI is bounded by the Pan...
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Journal Article
Journal: GSA Bulletin
Published: 01 September 2013
GSA Bulletin (2013) 125 (9-10): 1618-1632.
... Neoproterozoic ca. 600 Ma granitoid plutons, the regionally distinct early Paleozoic tectonic history of the Corner Brook Lake block, and its fault-bounded nature, implies that the block represents an allochthonous terrane. Available data indicate that significant orogen-parallel movement of the block (possibly...
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Journal Article
Published: 16 July 2008
Canadian Journal of Earth Sciences (2008) 45 (6): 669-691.
...Jo-Anne S. Goodwin-Bell Abstract This study presents details of the mineralogy and petrology of siliceous, dolomitic marbles of the Sharbot Lake domain along the Frontenac terrane boundary in the Grenville Province of southeastern Ontario. The location of four mineral isograds in the marble...
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Journal Article
Journal: Economic Geology
Published: 01 December 2002
Economic Geology (2002) 97 (8): 1779-1794.
... exploited. Here, we apply procedures newly designed for this purpose to mining exploration data from a high-resolution, two-dimensional crooked line survey over a part of the Sturgeon Lake Archean greenstone belt in northwest Ontario, Canada. We then examine the results in the light of geologic data based...
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Journal Article
Published: 06 September 2004
Canadian Journal of Earth Sciences (2004) 41 (9): 1027-1047.
... ranging from 5000–8000 m. The Mascarene and St. Croix terranes are less well constrained than the more outboard terranes on the models, in part because of limited physical property data but also because of the presence of the Saint George Batholith, which obscures relationships among stratigraphic units...
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Book Chapter

B. J. Bluck
Series: Geological Society, London, Geology of Series
Published: 01 January 2002
DOI: 10.1144/GOS4P.5
EISBN: 9781862393905
... had insight into tectonics and sedimentation (Kennedy 1958), the other from a classical stratigrapher who had an eye for detail and great experience in synthesizing data (George 1960), present quite different views of the Midland Valley. This difference of opinion, although now in a different form...
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Series: GSA Special Papers
Published: 01 January 2007
DOI: 10.1130/2007.2431(10)
... volcanic units in southern Alaska that are difficult to assign to a particular terrane. For example, in the Iliamna Lake area, the Cottonwood Bay Greenstone is associated with the Bruin Limestone and is considered to be pre-Norian in age ( Detterman and Reed, 1980 ), though neither unit has been directly...
Journal Article
Published: 01 September 2015
Journal of the Geological Society (2015) 172 (5): 599-613.
... of Alexander Island coastline. Sediment cores and barnacles suggest that there were two periods during the Holocene Epoch when George VI Ice Shelf was absent from the Ablation Lake area ( Hjort et al . 2001 ; Smith et al . 2007 b ). Interpreting the dynamics and history of ice shelves...
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Journal Article
Published: 01 September 2001
Journal of Sedimentary Research (2001) 71 (5): 833-842.
... in the South Shetland Islands at ca. 9500 yr BP. Barsh and Mäusbacher (1986) reported radiocarbon and U-Th ages of raised beach sediments at the Fildes Peninsula of King George Island, implicating the deglaciation of the island after 6000 yr BP. The late Holocene lake sediments from Midge Lake, Byers...
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Series: Reviews in Engineering Geology
Published: 01 January 2005
DOI: 10.1130/2005.4016(01)
EISBN: 9780813758169
... Abstract George A. Kiersch (1918–2001) witnessed and participated in the birth of modern engineering geology at the conclusion of World War II and the founding of the Engineering Geology Division as the first operating division of the Geological Society of America in 1947. He...
Journal Article
Published: 01 May 2016
Journal of Sedimentary Research (2016) 86 (5): 564-586.
...Constance M. Soja; Brian White Abstract: The Karheen Formation of southeastern Alaska (Alexander terrane) is an 1800-m-thick redbed molasse sequence that formed during the Late Silurian–Early Devonian in the wake of the Klakas orogeny. Previous research interpreted thin, platy limestone...
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Journal Article
Journal: Economic Geology
Published: 01 August 2012
Economic Geology (2012) 107 (5): 755-780.
... that the Kalgoorlie terrane magmas were in any way exceptional. The Forrestania and Lake Johnston Belts of the Youanmi terrane include the only known examples of Al-depleted komatiites hosting significant Ni sulfide resources, and they are also the only komatiites of this type that form adcumulate dunite bodies...
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Series: GSA Special Papers
Published: 01 July 2008
DOI: 10.1130/2008.442(10)
... Study of Late Triassic biofacies and associated paleoecology reveals new silicified shallow-water corals and other fossils from new and previously known localities within the Alexander terrane (Keku Strait and Gravina Island, southeast Alaska) and Wrangellia...
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Series: GSA Special Papers
Published: 01 July 2008
DOI: 10.1130/2008.442(12)
... are discussed below. The post–Martin Bridge history of the Wallowa terrane is revealed in conglomerate and breccia, which occur in the overlying deeper-water Hurwal Formation. Nolf (1966) cited huge chaotic breccia deposits of the Deadman Lake unit (Fig. 11) that contain limestone blocks, some...
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