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 Southern Brooks Au quartz vein. Extensional. Regional metamorphism associated with extension that occurred after Range (SBR) (Mikado) Veins in Coldfoot terrane, and overthrusting of Angayucham subduction zone terrane. (Includes in Hammond terrane of Arctic Chandalar district) Alaska superterrane. Fish River (FR) Sedimentary P and Fe. Strike-slip fault. Late Mesozoic, dextral movement along the Kaltag-Porcupine fault system. (Rio Alto, Fish River) North American Craton Margin Metallogenic Belts Formed in Late Mesozoic Collision and Accretion of Wrangellia Superterrane, and Generation of Omineca-Selwyn Plutonic Belt, Canadian Cordillera Selwyn (SW) W-Cu skarn, Zn-Pb-Ag skarn, Zn-Pb-Ag Collisional. Probable anatectic granitic plutonism (Omineca-Selwyn plutonic belt) manto. Cassiar plutonic suite, Omineca- associated with fi nal accretion of Wrangellia superterrane to North (Canada tungsten, Macmillan Pass, Sa Dena Hes, Quartz Lake, Prairie Creek) Selwyn plutonic belt. American continental margin. Tombstone (TS) Ag polymetallic vein, Au-Sb vein, W-Sn- Collisional Regional metamorphism and anatectic granitic plutonism (Omineca-Selwyn (extension of Tintina Au skarn. Veins and granitic plutons of plutonic belt) associated with fi nal accretion of Wrangellia superterrane to gold belt in Alaska) (Ken Hill-Galena Hill district; Brewery Creek, Ray Gulch, Eagle) Omineca-Selwyn plutonic belt. North American continental margin. Cassiar (CA) Porphyry Mo, W skarn, Zn-Pb-Ag manto, Collisional. Probable anatectic granitic plutonism (Omineca-Selwyn plutonic belt) Sn skarn, Au skarn. Cassiar plutonic suite, Omineca- associated with fi nal accretion of Wrangellia superterrane to North (Logtung, Risby, Midway Manto) Selwyn plutonic belt. American continental margin. Whitehorse (WH) Cu-Fe skarn, porphyry Cu-Au-Ag, Au- Collisional. Probable anatectic granitic plutonism (Omineca-Selwyn plutonic belt) Ag polymetallic vein. Whitehorse plutonic suite, associated with fi nal accretion of Wrangellia superterrane to North (Whitehorse Copper Belt, Hopkins, Sekulmun, Mount Nansen) Omineca-Selwyn plutonic belt. American continental margin. Bayonne (BA) Porphyry Mo, Cu-Mo skarn. Collisional. Probable anatectic granitic plutonism (Omineca-Selwyn plutonic belt) (Boss Mountain, Trout Lake, Red Bayonne plutonic suite, associated with fi nal accretion of Wrangellia superterrane to North Mountain Moly, Emerald-Invincible, Dodger, and others) Omineca-Selwyn plutonic belt. American continental margin. Samarka (SA) Continuing Metallogenic Belts Metallogenic belt started in Early Cretaceous (Neocomian). Kular (KU) Belt started in Early Cretaceous (Neocomian). Mainits (MA) Belt started in Late Jurassic. Tamvatney-Mainits (TAM) Belt started in Late Jurassic. EARLY LATE CRETACEOUS METALLOGENIC BELTS (Cenomanian through Santonian—100 to 84 Ma) (fi gs. 13, 14) Metallogenic Belt Formed in Late Mesozoic Part of East Sikhote-Aline Continental-Margin Arc, Russian Southeast Sergeevka (SG) Granitoid-related Au. Continental-margin arc. Subduction-related granitic plutonism that formed the East Sikhote-Aline (Askold, Progress) East Sikhote-Aline volcanicplutonic belt. continental margin arc. Taukha (TK) B skarn, Pb-Zn skarn. Continental-margin arc. Subduction-related granitic plutonism that formed the East Sikhote-Aline (Dalnegorsk, Nikolaevskoe, Partizanskoe, East Sikhote-Aline volcanic- continental margin arc. Krasnogorskoe) plutonic belt. 358 Metallogenesis and Tectonics of the Russian Far East, Alaska, and the Canadian Cordillera
Table 3—Continued Metallogenic Belt Major Mineral Deposits Types. Environment and Tectonic Event and (Abbreviation) (Signifi cant Mineral Deposits) Host Unit Comments Kema (KM) Au-Ag epithermal vein, porphyry Cu-Mo. Continental-margin arc. Subduction-related granitic plutonism that formed the East Sikhote-Aline (Glinyanoe, Sukhoi Creek, Tayozhnoe East Sikhote-Aline volcanic- continental margin arc. Verkhnezolotoe) plutonic belt. Luzhkinsky (LZ) Sn polymetallic vein, Sn silica-sulfi de Continental-margin arc. Subduction-related granitic plutonism that formed the back arc part of East vein, porphyry Sn. East Sikhote-Aline volcanic- Sikhote-Aline continental margin arc. (Tigrinoe , Zimnee, Arsenyevskoe, Yantarnoe) plutonic belt. Lower Amur (LA) Au-Ag epithermal vein, porphyry Cu, Sn Continental-margin arc. Subduction-related granitic plutonism that formed the East Sikhote-Aline Greisen. East Sikhote-Aline volcanic- continental margin arc. (Mnogovershinnoe, Belaya Gora) plutonic belt. Metallogenic Belt Formed in Late Mesozoic Oceanic Crust and Island Arc Terranes, Russian Southeast Aniva-Nabil (ANN) Volcanogenic Mn and Fe Oceanic crust and island arc Formation in oceanic crustal and island arc assemblages that were (Bereznyakovskoe and Lyukamskoe); rocks. subsequently tectonically incorporated into the Aniva and Nabilsky Cyprus Cu massive sulfi de (Novikovskoe and Rys’e) Aniva and Nabilskiy terranes. terranes accretionary wedge and subduction zone terranes. Metallogenic Belts Formed in Late Mesozoic and Early Cenozoic Olyutorka Island Arc, Russian Northeast Koryak Highlands Zoned mafi c-ultramafi c PGE; Cu massive Island arc. Subduction-related intrusion of mafi c-ultramafi c plutons into Olyutorka (KH) sulfi de. Olyutorka-Kamchatka terrane. island arc. Belt continued into Late Cretaceous and possibly into early (Snezhnoe) Tertiary. Vatyn (VT) Volcanogenic Mn & Fe. Island arc. Sea fl oor sedimentation associated with Olyutorka island arc. Belt (Itchayvayam) Olyutorka-Kamchatka terrane. continued into Late Cretaceous and possibly into early Tertiary. Metallogenic Belts Formed in Late Mesozoic Part of Okhotsk-Chukotka Continental-Margin Arc, Russian Northeast Dogdo-Erikit zone Au-Ag epithermal vein, Sn polymetallic Continental-margin arc. Subduction-related granitic plutonism that formed the Okhotsk-Chukotka (EADE), Eastern vein, volcanic-hosted Hg. Okhotsk-Chukotka volcanic- continental-margin arc. Hosted in orthogonal branch of Okhotsk- Asia-Arctic (Kysylga, Solkuchan, Dodgo) plutonic belt. Chukotka volcanic-plutonic belt. Zone part of Eastern Asia metallogenic Metallogenic Belt belt. Okhotsk zone Au-Ag epithermal vein. Continental-margin arc. Subduction-related granitic plutonism that formed the back-arc part of (EAOH), Eastern (Karamken, Julietta, Agat) Okhotsk-Chukotka volcanic- Okhotsk-Chukotka continental-margin arc. Belt continued into Late Asia-Arctic Metallogenic Belt plutonic belt. Cretaceous. Zone part of Eastern Asia metallogenic belt. Koni-Yablon zone Porphyry Cu-Mo, Cu-Mo skarn. Continental-margin arc. Subduction-related granitic plutonism that formed the Okhotsk-Chukotka (EAKY), Eastern (Nakhtandjin, Osennee, Lora, Etandzha) Okhotsk-Chukotka volcanic- continental-margin arc. Axial part Okhotsk-Chukotka volcanic-plutonic Asia-Arctic Metallogenic Belt plutonic belt. belt. Zone part of Eastern Asia metallogenic belt. Korkodon-Nayakhan Porphyry Mo, granitoid-related Au. Continental-margin arc. Subduction-related volcanism associated with Okhotsk-Chukotka zone (EAKN), (Orlinoe, Khetagchan) Okhotsk-Chukotka volcanic- continental-margin arc. Orthogonal branch of Okhotsk-Chukotka Eastern Asia-Arctic Metallogenic Belt plutonic belt. volcanic-plutonic belt. Zone part of Eastern Asia metallogenic belt. Appendix 359
Page 1 and 2:
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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Page 221 and 222:
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
Page 297 and 298:
of fractured and faulted Permian-Tr
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sists of a mineralized fracture zon
Page 301 and 302:
dolomite. Wall rock alteration incl
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elt of late Tertiary plutons that a
Page 305 and 306:
plates that exhibit magnetic anomal
Page 307 and 308:
stages (Petrenko, 1999): (1) In the
Page 309 and 310:
mon. The deposit is of medium size
Page 311 and 312:
Metallogenic-Tectonic Model for Lat
Page 313 and 314:
The origin of the Hg deposits of th
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margin or island-arc tectonic envir
Page 317 and 318:
Columbia: Implicatons for the Middl
Page 319 and 320:
Bazard, D.R., Butler, R.F., Gehrels
Page 321 and 322:
Bradley, D.C., Haeussler, P.J., and
Page 323 and 324:
Bundtzen, T.K., Laird, G.M., Caluti
Page 325 and 326:
Cecile, M.P., 1982, The lower Paleo
Page 327 and 328:
Debari, S.M., and Coleman, R.G., 19
Page 329 and 330:
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 389: 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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