USGS Professional Paper 1697 - Alaska Resources Library

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Table 3—Continued Metallogenic Belt Major Mineral Deposits Types. Environment and Tectonic Event and (Abbreviation) (Signifi cant Mineral Deposits) Host Unit Comments Yarkhodon (YR) Southeast Missouri Pb-Zn Rifted passive continental Rifting of middle Paleozoic (Late Devonian to Early Mississippian) (Slezovka, Gornoe) margin. Prikolyma terrane. continental-margin. Belt continued into Early Mississippian. Berezovka River Kuroko massive sulfi de and sulfi de vein. Rifted passive continental Rifting of middle Paleozoic (Late Devonian to Mississippian) continental- (BE) (Berezovskoe) margin. Berezovka terrane. margin. Belt continued into Permian(?). Metallogenic Belts Formed During Middle Paleozoic Rifting of North American Craton Margin or in Low-Temperature Brines Along Craton Margin Mystic (MY) SEDEX massive bedded barite, Southeast Rifted passive continental Rifting of middle Paleozoic (Late Devonian to Early Mississippian) Missouri Pb-Zn. margin. continental-margin. Belt continued into Early Mississippian. (Gagaryah, Reef Ridge) North Asian Craton Margin. Northern Cordillera Southeast Missouri Zn-Pb. Rifted continental margin. Incipient rifting of Late Proterozoic to middle Paleozoic (Devonian- (NCO) (Gayna River, Goz Creek, Godlin Lakes) North American Craton Margin. Mississippian) North American Continental Margin. Belt extended from Late Proterozoic to Devonian(?). Dempster (DE) SEDEX Ba, Ni-Zn-PGE-Au SEDEX, Rifted continental margin. Rifting of middle Paleozoic (Late Devonian to Early Mississippian) North Kuroko Zn-Pb-Cu massive sulfi de. (Rein, Marg, Nick) North American Craton Margin. American Continental Margin. Macmillan Pass (MP) Sedimentary-Exhalative Zn-Pb-Ag. Rifted continental margin. Rifting of middle Paleozoic (Late Devonian to Early Mississippian) North (Tom, Jason, Main) North American Craton Margin. American Continental Margin. Finlayson Lake (FL) Sedimentary-Exhalative Zn-Pb-Ag. Rifted continental margin. Incipient rifting of middle Paleozoic (Late Devonian to Early-Mississippian) (Maxi, Matt Berry, Finlayson Lake) North American Craton Margin. North American Continental Margin. Liard (LI) Southeast Missouri(?) Ba-F Rifted continental margin. Rifting of middle Paleozoic (Late Devonian to Early Mississippian) North (Leguil Creek, Lower Liard) North American Craton Margin. American continental-margin. Gataga (GA) Sedimentary-Exhalative Zn-Pb-Ag. Rifted continental margin. Incipient rifting of middle Paleozoic (Late Devonian to Early Mississippian) (Cirque, Driftpile Creek, Gataga) North American Craton Margin. North American continental-margin. Robb Lake (RL) Southeast Missouri Zn-Pb. Rifted continental margin. Rifting of middle Paleozoic (Late Devonian to Early Mississippian) North (Robb Lake) North American Craton Margin. American Continental Margin. Southern Rocky Chemical-sedimentary gypsum Rifted continental margin. Incipient rifting of middle Paleozoic (Devonian) North American Continental Mountains (SRM) (Windemere Creek, Marysville, Mount North American Craton Margin. Margin. Belt extended into Late Proterozoic with formation of sedimentary Brussilof, Parson, Brocso) Mg and Ba vein deposits. Ingenika (IN) Southeast Missouri Zn-Pb-Ag. Passive continental margin. Deposition by low-temperature brines that may have originated within an Monarch (Susie, Beveley and Regent) Cassiar terrane. adjacent shale basin. Cathedral (CA) Southeast Missouri Zn-Pb-Ag. Passive continental margin. Deposition by low-temperature brines that may have originated within an Monarch (Kicking Horse) North American Craton Margin. adjacent shale basin. 350 Metallogenesis and Tectonics of the Russian Far East, Alaska, and the Canadian Cordillera
Table 3—Continued Metallogenic Belt (Abbreviation) Northwestern Brooks Range (NBR) MISSISSIPPIAN METALLOGENIC BELTS (360 to 320 Ma) (fi gs. 4, 5) Continuing Metallogenic Belts Metallogenic Belt Formed During Mississippian-Pennsylvanian Back-Arc Spreading Along North American Craton Margin Major Mineral Deposits Types. Environment and Tectonic Event and (Signifi cant Mineral Deposits) Host Unit Comments SEDEX Zn-Pb. (Lik, Red Dog Creek) Kuroko massive sulfi de. (Drenchwater Creek) Bedded barite, sulfi de vein. Incipient rift(?) along continental margin arc. Arctic Alaska superterrane. Selennyakh River (SEL) Belt started in Devonian. Sette-Daban (SD) Belt started in Devonian. Urultun & Sudar Rivers (URS) Belt started in Devonian. Kedon (KE) Belt started in Devonian. Northern Cordillera (NCO) Belt started in Devonian. Dempster (DE) Belt started in Devonian. Macmillan Pass (MP) Belt started in Devonian. Finlayson Lake Belt started in Devonian. Gataga (GA) Belt started in Devonian. PENNSYLVANIAN METALLOGENIC BELTS (320 to 286 Ma) (fi gs. 6, 7) Subduction-related volcanism associated with Mississippian- Pennsylvanian, back-arc spreading that was possibly associated with a short-lived continental-margin arc Metallogenic Belt Formed During Mississippian-Pennsylvanian Back-Arc Spreading Along North American Craton Margin Northwestern Brooks Range (NBR) Belt started in Mississippian. Metallogenic Belt Formed in Late Paleozoic Island Arc Terrane in the Russian Southeast Laoelin-Grodekovsk (LG) Porphyry Cu-Mo, Au-Ag epithermal vein. (Baikal, Komissarovskoe) Island arc. Laoelin-Grodekovsk terrane. Subduction-related granitic plutonism that formed the Laoelin- Grodekovsk island arc, part of Khanka superterrane, a rifted fragment of Gondwandaland supercontinent. Not depicted on metallogenic model because of formation beyond map area. Metallogenic Belts Formed In Late Paleozoic Oceanic Lithosphere Preserved in Subduction Zones Terranes in Russian Northeast Aluchin (AC) Podiform Cr. Back-arc rifting? Oceanic lithosphere preserved in Aluchin subuction zone that was (Teleneut) Aluchin subduction zone terrane tectonically linked to Alazeya island arc. Ust-Belaya (UB) Podiform Cr. Oceanic ridge. Oceanic lithosphere preserved in Penzhina Anadyr subuction zone (Ulst-Belaya) Penzhina Anadyr subduction zone terrane. that was tectonically linked to Koni-Murgal continental margin and island arc. Metallogenic Belts Formed in Late Paleozoic Skolai Island Arc in Wrangellia Superterrane Alaska Range- Cu skarn, porphyry Cu, polymetallic vein. Island arc. Subduction-related granitic plutonism in Skolai island arc Wrangell (Rainy Creek, Rainbow Mountain, Wrangellia sequence, Wrangellia developed along margin of Wrangellia superterrane. Mountains (ARW) Chistochina) superterrane. Ketchikan (KK) Kuroko massive sulfi de Island arc. Subduction-related granitic plutonism in Skolai island arc (Moth Bay) Wrangellia sequence, Wrangellia superterrane. developed along margin of Wrangellia superterrane Appendix 351
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USGS Prepared in collaboration with
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U.S. Department of the Interior Gal
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iv Hart River SEDEX Zn-Cu-Ag Deposi
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vi Specific Events for Middle Throu
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viii Metallogenic Belts Formed Duri
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x Origin of and Tectonic Controls f
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xii Toodoggone Metallogenic Belt of
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xiv Slate Creek Serpentinite-Hosted
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xvi Left Omolon Belt of Porphyry Mo
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xviii Origin of and Tectonic Contro
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xx Chukotka Metallogenic Belt of Au
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xxii Plutonic Rocks Hosting East-Ce
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xxiv Skeena Metallogenic Belt of Po
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xxvi Bee Creek Porphyry Cu Deposit
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xxviii 36. Wellgreen gabbroic Ni-Cu
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xxx 87. Partizanskoe Pb-Zn skarn de
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Metallogenesis and Tectonics of the
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format (Nokleberg and others, 1996)
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logenesis of the region (1) subduct
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Subterrane—A fault-bounded unit w
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dilemma consists of two conflicting
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2 to 20 m thick. A related dolomite
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Lantarsky-Dzhugdzhur Metallogenic B
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Origin of and Tectonic Controls for
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Metallogenic Belts Formed During Pr
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as at Oz, Monster, and Tart, may al
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Monashee Metallogenic Belt of Sedim
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Clark Range Metallogenic Belt of Se
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in addition to the Fe deposits. Min
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study) consists of lenses, from 100
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Omulev Austrian Alps W Deposit The
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ock, including coarse clastic rock,
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lative metalliferous brines in a re
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Prince of Wales Island Metallogenic
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suite of deposits and host rocks ar
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margin of the North American Craton
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newly created terranes migrated int
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(Ryazantzeva and Shurko, 1992). The
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tonnes Au and an average grade of a
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mafic and felsic metavolcanic rocks
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intrusion from about 402 to 366 Ma
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mentary rocks of the Cambrian to De
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(Preto and Schiarizza, 1985; Schiar
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ate and clastic rocks and volcanicl
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(Nokleberg and others, 1994c, 1997c
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Berezovka River Metallogenic Belt o
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Finlayson Lake Metallogenic Belt of
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and barite in siliceous black turbi
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Windermere Creek (Western Gypsum) C
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(NX, DL, MY), Viliga (VL), and Zolo
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South of the main east-west-trendin
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ated subduction zone in the Wrangel
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icite-biotite-quartz bodies in frac
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Canada Cordillera. The granitoid ro
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Viliga (VL) passive continental-mar
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32; tables 3, 4) occurs along the n
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superterrane, consists mainly of ma
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ers, 1994c, 1997c). In southern Bri
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mental volcanic rocks of intermedia
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a resource of 34.3 million tonnes o
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potassic zone. Combined estimated p
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and quartz monzodiorite stock and s
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and Omolon (OM) cratonal terranes,
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in volcanic and volcaniclastic rock
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minor calcite, and sporadic pyrite
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supergene blanket are interpreted a
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deposits and occurrences consist of
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onto the Omulevka terrane to form t
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superterrane. This belt is interpre
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to form along the leading edge of t
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quartz, and is virtually not associ
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deposits are at Terrassnoe and Kuna
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Peschanka Porphyry Cu-Mo Deposit Th
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The belt is hosted in the Late Jura
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in a island arc that was tectonical
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and Early Cretaceous Koyukuk island
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The deposit consists of disseminate
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The Orange Hill deposit contains an
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49; tables 3, 4) (Foley and others,
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locally Late Triassic marine volcan
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gold in a gangue of quartz, calcite
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Verkhoyansk granite belt, which int
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metallogenic belts are interpreted
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assemblages, which may have been mo
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during hypogene and supergene alter
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collision and regional thrusting, t
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Yur Au Quartz Vein Deposit The smal
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phase has a Rb-Sr isotopic age of 1
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sian Northeast. The belt is hosted
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Host Granitoid Rocks and Associated
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that are up to 600-1,500 m long, av
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Metallogenic Belts Formed During La
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y partly coeval plutons that range
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tion is interpreted as occuring by
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the Badzhal-Ezop and Khingan parts
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and comagmatic with volcanic rocks;
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as interpreted for the Rock Creek d
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source (Yeo, 1992). The Blow River
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2000). The spatial location of the
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to the east in the central Yukon Te
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occur in a 30-km-long belt along ir
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The Emerald deposit has produced ap
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Metallogenic-Tectonic Model for Ear
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cham oceans were closed, and the Ch
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greisenized Mesozoic granite that i
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composition magmatic bodies (with a
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to Albian pelecypods (Nokleberg and
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quartz-arsenopyrite-pyrrhotite, pol
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thermally altered to siliceous and
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These ore bodies are as much as 1 m
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Eastern Asia-Arctic Metallogenic Be
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Demin, and Krasilnikov, 1974; Nekra
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10 percent Cu, as much as 0.92 perc
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pyrite, pyrite, galena, sphalerite,
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content decreases with depth, as do
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azdelnoye, (2) porphyry Sn deposits
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Karalveem Au Quartz Vein Deposit Th
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Democrat (Mitchell Lode) Granitoid-
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with high-temperature and high-pres
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chalcocite and covellite and also h
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cum-North Pacific, (2) completion o
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(6) In the Paleocene (about 56 to 6
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sists of cinnabar and metacinnabari
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Eastern Asia-Arctic Metallogenic Be
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groups of deposits are interpreted
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Indian Mountain and Purcell Mountai
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and southeastern Alaska (Moll and P
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Nokleberg and others, 1995a; Bundtz
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g/t Au or 368.2 Au gold. The deposi
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wim Group and altered mafic dikes.
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Mount Nansen porphyry Cu-Mo deposit
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A Map 450 500 550 Cross section Dik
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Cretaceous and early Tertiary conti
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deposits, at Chichagoff and Hirst-C
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others, 1994c, 1997c). The signific
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tonnes grading 0.53 percent Ni, 0.3
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with a 0.25 percent cut-off. The de
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Bulkley Metallogenic Belt of Porphy
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Red Rose W-Au-Cu-Ag Polymetallic Ve
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ish Columbia and consists of severa
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during back-arc extension or transt
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stocks and dikes, is associated wit
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etrograde minnesotaite (Fe talc), F
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Specific Events for Early to Middle
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of fractured and faulted Permian-Tr
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sists of a mineralized fracture zon
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dolomite. Wall rock alteration incl
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elt of late Tertiary plutons that a
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plates that exhibit magnetic anomal
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stages (Petrenko, 1999): (1) In the
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mon. The deposit is of medium size
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Metallogenic-Tectonic Model for Lat
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The origin of the Hg deposits of th
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margin or island-arc tectonic envir
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Columbia: Implicatons for the Middl
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Bazard, D.R., Butler, R.F., Gehrels
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Bradley, D.C., Haeussler, P.J., and
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Bundtzen, T.K., Laird, G.M., Caluti
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Cecile, M.P., 1982, The lower Paleo
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Debari, S.M., and Coleman, R.G., 19
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U.S. Bureau of Land Management Open
Page 331 and 332: Cordilleran Orogen in Canada: Geolo
Page 333 and 334: Goldfarb, R., Hart, C., Miller, M.,
Page 335 and 336: Grove, E.W., 1986, Geology and mine
Page 337 and 338: Høy, T., 1982a, Stratigraphic and
Page 339 and 340: Jones, D.L., Silberling, N.J., Cone
Page 341 and 342: Kutyev, F. Sh., Baikov, A.I., Sidor
Page 343 and 344: Shield—Ultramafic magma and its m
Page 345 and 346: Manns, F.T., 1981, Stratigraphic as
Page 347 and 348: Miller, M.L., and Bundtzen, T.K., 1
Page 349 and 350: Mortimer, N., 1987, The Nicola Grou
Page 351 and 352: Noble, S.R., Spooner, E.T.C., and H
Page 353 and 354: Canada Annual Meeting, Saskatoon, S
Page 355 and 356: Perello, J.A., Fleming, J.A., O’K
Page 357 and 358: Far East—Mineralogical criteria f
Page 359 and 360: Roeske, S.M., Mattinson, J.M., and
Page 361 and 362: Schmidt, J.M., and Zierenberg, R.A.
Page 363 and 364: formation occurrences: Materialy po
Page 365 and 366: Struik, L.C., 1986, Imbricated terr
Page 367 and 368: Valuy, G., and Rostovsky, F., 1988,
Page 369 and 370: Wolfe, W.J., 1995, Exploration and
Page 371 and 372: Appendix Table 1. Mineral deposit m
Page 373 and 374: Table 2 Summary of correlations and
Page 375 and 376: Table 2—Continued Unit(s) and Cor
Page 377 and 378: Table 2—Continued Unit(s) and Cor
Page 379 and 380: Table 3—Continued Metallogenic Be
Page 381: Table 3—Continued Metallogenic Be
Page 399 and 400: Table 4. Significant lode deposits,
Page 401 and 402: Table 4—Continued Appendix 369 De
Page 403 and 404: Table 4—Continued Tracy Metalloge
Page 405 and 406: Table 4—Continued Appendix 373 In
Page 407 and 408: Table 4—Continued Deposit Name Mi
Page 409 and 410: Table 4—Continued Mainits Metallo
Page 415 and 416: Table 4—Continued Whitehorse Meta
Page 421 and 422: Table 4—Continued Appendix 389 LA
Page 425 and 426: Table 4—Continued Surprise Lake M
Page 427 and 428: Table 4—Continued Sredinny Metall
Page 429: Table 4—Continued Deposit Name Mi
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