USGS Professional Paper 1697 - Alaska Resources Library

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Table 3—Continued Metallogenic Belt Major Mineral Deposits Types. (Abbreviation) (Signifi cant Mineral Deposits) Bulkley (BK) Porphyry Cu-Mo, Au-Ag polymetallic vein. (Huckleberry, Ox Lake, Poplar, Red Rose, Dome Mountain, & others) Fish Lake-Bralorne Porphyry Cu-Mo, porphyry Cu-Au, Au (FLB) quartz vein, Au-Ag polymetallic vein, and related deposit types. (Bralorne, Carolin, Fish Lake, Giant Copper, Pioneer, Poison Mountain) Tyaughton-Yalakom W-Sb polymetallic vein and Hg-Sb vein (TY) (Tungsten Queen) Gambier (GB) Porphyry Cu-Mo, Zn-Pb-Cu skarn. (O.K., Gambier Island, HI-MARS) Catface (CF) Porphyry Cu-Mo-Au, Au-Ag polymetallic vein. (Catface, Domineer, Privateer) Environment and Host Unit Continental-margin arc. Coast-North Cascade plutonic belt. Continental-margin arc. Coast-North Cascade plutonic belt. Continental-margin arc. Veins intruding Coast-North Cascade plutonic belt and older units. Continental-margin arc. Coast-North Cascade plutonic belt. Continental-margin arc. Granitic plutons intruding southern Wrangellia terrane. Tectonic Event and Comments Subduction-related granitic plutonism that formed the Coast continentalmargin arc. Subduction-related granitic plutonism that formed the Coast continentalmargin arc. Related to Tyaughton -Yalakom metallogenic belt of Hg-Au- W-Sb polymetallic vein deposits. Subduction-related granitic plutonism that formed the Coast continentalmargin arc. Associated with Cretaceous to Eocene dikes intruded along Eocene dextral-slip faults of the Talakom, Relay Creek, and Fortress Ridge faults. Related to Fish Lake-Bralorne metallogenic belt of graniticmagmatism-related deposits. Subduction-related granitic plutonism that formed the Coast continentalmargin arc. Subduction-related granitic plutonism that formed the Coast continental margin arc. Metallogenic Belts Formed in Back-arc Part of Early Tertiary Coast Continental-Margin Arc, Southern Canadian Cordillera Skeena (SK) Porphyry Cu-Mo, porphyry Mo, Ag polymetallic vein, Au-Ag polymetallic vein. (Berg, Lucky Ship, Nanika, Red Bird, Kitsault, Equity Silver, & others) Nelson (NS) Ag polymetallic vein, Ag-Pb-Zn manto, Au-Ag epithermal vein. (Bluebell, Highland Bell, Vault, Dusty Mac) Continental-margin arc. Coast-North Cascade plutonic belt and Kamloops magmatic belt. Continental-margin arc. Eocene plutonic rocks intruding Quesnellia terrane. Granitic plutonism occurring during back arc extension or transtension occurring continentward of subduction-related Coast continental-margin arc. Related to Nelson metallogenic belt. Granitic plutonism occurring during back arc extension or transtension occurring continentward of subduction-related Coast continental-margin arc. Related to Skeena metallogenic belt. EARLY TO MIDDLE TERTIARY (Middle Eocene through early Miocene—52 to 23 Ma) (fi gs. 17, 18) Metallogenic Belts Formed in Tertiary Collision of Outboard Terranes, Russian Southeast Central Sakhalin (CS) Au quartz vein and talc Collisional. Collisional event during the early Tertiary(?) accretion of outboard terranes (Langeriiskoe) Aniva subduction zone terrane. to the east. Sredinny (SR) Au quartz vein. Collisional. Accretion of outboard Olyutorka arc and generation of hydrothermal fl uids. (Tumannoe) Veins in Sredinny-Kamchatka Metamorphic REE vein(?). (Anomalnoe) terrane. 364 Metallogenesis and Tectonics of the Russian Far East, Alaska, and the Canadian Cordillera
Table 3—Continued Metallogenic Belts Formed in Tertiary Back-arc Rifting and Continental-Margin Transform, and Transcurrent Faulting, Russian Southeast Metallogenic Belt Major Mineral Deposits Types. Environment and Tectonic Event and (Abbreviation) (Signifi cant Mineral Deposits) Host Unit Comments Kvinumsky (KV) Hornblende peridotite Cu-Ni, gabbroic Back-arc. Back-arc intrusion related to subduction beneath the Kamchatka Peninsula Ni-Cu. Mafi c igneous intruding part of Central Kamchatka continental margin arc. (Shanuch, Kvinum, and Kuvalorog) Sredinny-Kamchatka metamorphic terrane. Central Koryak Sn polymetallic vein, Au-Ag epithermal Continental-margin arc. Granitic plutonism associated with transform faulting along the margin of (CKY) vein, Hb-Sb vein, porphyry Mo-Cu. Kamchatkak-Koryak volcanic- the North Asian continent. (Ainatvetkin, Ametistovoe, Lyapgani, Tamvatney, Kuibiveen) plutonic belt. Metallogenic Belts Formed in Tertiary Continental-Margin Arcs, Kamchatka Peninsula, and Southern Canadian Cordillera Olyutor (OT) Au-Ag epithermal vein, Sn polymetallic Continental-margin arc. Subduction-related granitic plutonism that formed the Kamchatka Peninsula vein, clastic sediment-hosted Hg. East Kamchatka volcanic & part of Northeast Asia continental margin arc. (Lalankytap, Maleotoivayam) sedimentary basin. Pinchi Lake (PC) Hg epithermal vein, Sb-Au vein, silica- Continental-margin arc(?). Transcurrent faulting along Cascade volcanic-plutonic belt. carbonate Hg (Pinchi Lake) Shear zone. Owl Creek (OC) Porphyry Cu-Mo, porphyry Mo, Au Continental-margin arc. Subduction-related granitic plutonism that formed the early part of Cascade polymetallic vein. (Harrison Lake, Boundary, Red Mountain, Lone Jack, Clear Creek, Owl Creek, & others) Cascade volcanic-plutonic belt. continental margin arc. Belt extended into Miocene and Pliocene. MIDDLE TERTIARY METALLOGENIC BELTS (Miocene—20 to 10 Ma) (fi gs. 17, 18) Metallogenic Belts Formed in Tertiary Continental-Margin Arcs, Kamchatka Peninsula, Southern Alaska, and Southern Canadian Cordillera East Kamchatka (EK) Au-Ag epithermal vein. Continental-margin arc. Subduction-related granitic plutonism that formed the Kamchatka Peninsula (Asachinskoe, Mutnovskoe, Rodnikovoe) Central Kamchatka volcanic & sedimentary basin. part of Northeast Asia continental margin arc. Central Kamchatka Au-Ag epithermal vein, porphyry Cu-Mo. Continental-margin arc. Subduction-related granitic plutonism that formed the Kamchatka Peninsula (CK) (Ozernovskoe, Aginskoe, Kirganik) Central Kamchatka volcanic & sedimentary basin. part of Northeast Asia continental margin arc. Alaska Peninsula & Au-Ag epithermal vein, porphyry Cu & Continental-margin arc. Subduction-related granitic plutonism that formed the Aleutian continental Aleutian Islands Cu-Mo, polymetallic vein. Aleutian volcanic belt. margin arc. Belt extended into Pliocene and Quaternary. (AP) (Pyramid, Bee Creek, Apollo-Sitka) Olyutor (OT) Continuing Metallogenic Belts Belt started in late Paleogene or Miocene. Owl Creek (OC) Belt started in Eocene and extended into Pliocene. Appendix 365
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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
Page 295 and 296:
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
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Cordilleran Orogen in Canada: Geolo
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Goldfarb, R., Hart, C., Miller, M.,
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Grove, E.W., 1986, Geology and mine
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Høy, T., 1982a, Stratigraphic and
Page 339 and 340:
Jones, D.L., Silberling, N.J., Cone
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Kutyev, F. Sh., Baikov, A.I., Sidor
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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 395: 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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