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Yukon Prong Terrane

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Series: GSA Special Papers
Published: 01 January 1995
DOI: 10.1130/SPE296-p51
... The western metamorphic belt is part of the Coast plutonic-metamorphic complex of western Canada and southeastern Alaska that developed during collision of the Alexander terrane and Gravina assemblage on the west against the Yukon Prong and Stikine terranes to the east. Deformation...
Journal Article
Published: 01 February 2005
Journal of Paleontology (2005) 79 (2): 366–377.
...TAMRA A. SCHIAPPA; NIKKI T. HEMMESCH; CLAUDE SPINOSA; W. W. NASSICHUK Abstract In North America, the ammonoid Uraloceras Ruzhentsev occurs in Cisuralian (Lower Permian) strata of the northern Yukon Territory, eastern Alaska, Ellesmere Island, southern British Columbia, and Nevada. From Sakmarian...
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Journal Article
Published: 25 April 2007
Canadian Journal of Earth Sciences (2007) 44 (3): 297–316.
...JoAnne Nelson; George Gehrels Abstract Two samples of late Paleozoic grit and Late Mississippian quartzite–chert conglomerate collected from southeastern Yukon–Tanana terrane (YTT) — a composite thrust sheet resting structurally above North American parautochthonous strata and intervening imbricate...
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Journal Article
Published: 01 September 2008
Journal of Paleontology (2008) 82 (5): 1043–1050.
...Calvin H. Stevens The Paleontological Society 2008 Wrangellia was one of the first described and probably the most widely known of the North American Cordilleran terranes. On the basis of Triassic stratigraphy ( Jones et al., 1977 ) and paleomagnetism ( Hillhouse, 1977 ), the name...
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Journal Article
Journal: Geosphere
Published: 10 December 2020
Geosphere (2021) 17 (1): 118–153.
.... The north side of the study area is underlain by rocks of the Farewell terrane and the parautochthonous Yukon-Tanana assemblage (YTA, terminology after Dusel-Bacon and Williams, 2009 ), both of which are continental in nature and are thought to overlie Proterozoic to early Paleozoic basement ( Bradley et...
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Journal Article
Published: 09 September 2019
Canadian Journal of Earth Sciences (2020) 57 (5): 575–600.
... of the southeastern prong of Yukon–Tanana terrane is bounded by thrust faults and younger strike-slip faults that juxtapose it with the North American continental margin ( Gabrielse et al. 2006 ) ( Fig. 1 ). The southeastern extent of Yukon–Tanana terrane is shown to terminate 70 km northwest of the Turnagain...
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Journal Article
Journal: Geosphere
Published: 19 May 2023
Geosphere (2023) 19 (4): 1032–1056.
... to the southern prong of the terrane as Yukon-Tanana south (YTTs) and its northern Yukon portion as Yukon-Tanana north (YTTn). In particular, mid-Paleozoic rocks of southeastern Alaska (YTTs of Pecha et al., 2016 ) contain a record of magmatism as old as Ordovician–Silurian that is absent from the Yukon-Tanana...
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Journal Article
Journal: Geosphere
Published: 08 February 2022
Geosphere (2022) 18 (2): 670–696.
... Cordilleran terrane collage. For purposes of this discussion, we have subdivided Stikinia into four subregions: North-northeastern Stikinia includes the northernmost prong of Stikinia in Yukon and the Whitehorse trough ( Fig. 1 ; Colpron et al., 2015 ). Northern Stikinia includes the Stikine arch...
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Journal Article
Published: 11 April 2017
Canadian Journal of Earth Sciences (2017) 54 (7): 731–765.
... topography dictated at least partial restriction of the Richardson trough from the open ocean to the west by the Yukon Stable Block, even though sea level was high in early Frasnian time ( Haq and Schutter 2008 ). To the north, the approaching, emplaced Arctic Alaska allochthonous terrane likely provided...
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Journal Article
Journal: Paleobiology
Published: 01 January 2000
Paleobiology (2000) 26 (4): 625–646.
... 1981 : Figs. 4 ;c-1, 4;c-2), mold, mudstone/siltstone, deep subtidal, East Avalonia. [ n = 43, S = 4] Road River Group, Prongs Creek, locality AA 95, Keele Range, northern Yukon Territory, Canada ( Ludvigsen and Tripp 1990 ), calcareous, limestone, deep subtidal, Laurentia. [ n = 171, S...
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Journal Article
Published: 01 August 1992
Journal of the Geological Society (1992) 149 (4): 599–606.
... group which rifted apart from each other prior to 600 Ma. The consolidation of much of Gondwana probably occurred (in the Pan-African orogeny) well before the Cambrian, though the assembly of several east Asian terranes is still speculative. The archaeocyathan reefs of Siberia, southern Europe...
Journal Article
Journal: Economic Geology
Published: 01 August 2004
Economic Geology (2004) 99 (5): 1049–1059.
... and syngenetic base-metal mineralization in the Yukon-Tanana terrane, Alaska— Cynthia Dusel-Bacon, Joseph L. Wooden, and Melanie J. Hopkins 989 Microbial contributions to cave formation: New insights into sulfuric acid speleogenesis— Annette Summers Engel, Libby A. Stern and Philip C. Bennett 369...
Journal Article
Journal: Economic Geology
Published: 01 March 2006
Economic Geology (2006) 101 (2): 407–430.
... fault fill with both coarse-textured, pristine barite and mylonitic-textured barite situated close to the Cobequid-Chedabucto fault system, separating the Meguma and Avalon terranes. The breccia vein mineralization has a simple mineralogy and consists of barite with up to 1.3 wt percent Sr, minor...
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Journal Article
Journal: GSA Bulletin
Published: 01 March 2009
GSA Bulletin (2009) 121 (3-4): 448–473.
... Geological Society of America 2009 Neoproterozoic snowball Earth cap carbonates Arctic Alaska terrane Katakturuk Nanook chemostratigraphy detrital zircon geochronology carbon isotope oxygen isotope glaciation In his Alaskan orocline hypothesis, Sam Carey proposed that the Arctic Ocean...
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Journal Article
Published: 01 October 2002
The Canadian Mineralogist (2002) 40 (5): 1249–1286.
... ). In addition, the tourmaline is depleted in Mn, which contrasts with the common enrichment of this element in pegmatitic tourmaline ( Stern et al. 1986 ). Although not shown herein, the compositional data are comparable to a dataset for tourmaline from a variety of granitic settings in the Meguma Terrane...
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Journal Article
Published: 01 November 2014
Journal of Paleontology (2014) 88 (6): 1120–1138.
... Land, north Greenland, and in the S. turriculatus Zone of the Road River Formation, Llandovery (lower Telychian), from the gorge of Prongs Creek, northern Yukon Territory, Canada ( Ludvigsen and Tripp, 1990 ). The species has distinct anteriorly diverging facial sutures, and should be assigned...
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Journal Article
Published: 01 May 2022
Journal of Paleontology (2022) 96 (3): 638–657.
.... 1 – 33 . Fåhræus , L.E. , 1971 , Lower Devonian conodonts from the Michelle and Prongs Creek formations, Yukon Territory : Journal of Paleontology , v. 45 , p. 665 – 683 . Farrell , J.R. , 2003 , Late Pridolian, Lochkovian, and early Pragian conodonts from the Gap area...
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Journal Article
Journal: Economic Geology
Published: 01 June 2003
Economic Geology (2003) 98 (4): 685–714.
... of high rainfall and mass loss in carbonate terranes, consequent development of karst systems results in mechanical erosion and concentration of zinc oxide and silicate minerals. Formation of such karst systems also forms wall-rock replacement deposits. The Angouran deposit is the highest grade...
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Journal Article
Published: 01 April 2021
Journal of Paleontology (2021) 95 (S83): 1–41.
... Island, Nunavut, Canada); 5, Inglefield Land, North-West Greenland; 6, North-East Greenland; 7, western Newfoundland; 8, Ville-Guay, Québec; 9, Taconic allochthon, New York State; 10, Thomasville, Pennsylvania; 11, Yukon Territory; 12, Northwest Territories; 13, Mural Formation, southwestern Canada; 14...
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Journal Article
Journal: SEG Discovery
Published: 01 April 2012
SEG Discovery (2012) (89): 1–60.
... to correct this with a The highly successful workshop rent educational offerings, at universi- three-pronged structural geology offer- organized annually in the fall by SEG in ties, on basic field skills and exploration ing: in conjunction with external part- partnership with to page 15 . . . Western Mining...