 | Dusel-Bacon, C., Foley, N. K., Slack, J. F., Koenig, A. E., Oscarson, R. L. (2012) Peralkaline- and Calc-Alkaline-Hosted Volcanogenic Massive Sulfide Deposits of the Bonnifield District, East-Central Alaska. Economic Geology, 107 (7) 1403-1432 doi:10.2113/econgeo.107.7.1403 | Journal (article/letter/editorial) | | Massive Sulfide Deposits of the Bonnifield District, East-Central Alaska Cynthia Dusel-Bacon,1,† Nora K...(VMS) Zn-Pb-Cu-Ag-Au deposits of the Bonnifield mining district formed during Late Devonian-Early Mississippian...western edge of Laurentia. The largest deposits, Dry Creek and WTF, have a combined resource of 5.7 million...mudstone of the Mystic Creek Member of the Totatlanika Schist Formation. Mystic Creek meta rhyolite and...and alkali basalt (Chute Creek Member) constitute a bimodal pair that formed in an extensional environment |  | | Report (issue) | | - Mineral Resources of Alaska ; 1959-63 * ________________-^ GEOLOGICAL SURVEY This bulletin was printed...McKinley quadrangle, Alaska, by John C. Reed, Jr. Geology of the Craig quadrangle, Alaska, by W. H. Condon...Geology of the Freshwater Bay area Chichagof Island, Alaska, by Robert A. Loney, William H. Condon, and J....North Bradfield River iron prospect, southeastern Alaska, by E. M. MacKevett, Jr., and M. C. Blake, Jr....of the Sumdum copper-zinc prospect, southeastern Alaska, by E. M. Mackevett, Jr., and M. C. Blake, Jr. |  | | Report (issue) | | Nenana River eastward about 18 miles and from Healy Creek northward about 22 miles and lies approximately...accompanying map, PI. XVII.) The mouth of Hoseanna Creek is about 50 miles south of the new town of Nenana...the mouth of Moose Creek and 8£ miles below the mouth of Hoseanna Creek. No lode mining has been done...is gold bearing is reported from Fourth of July Creek about half a mile above its mouth. A stibnite lode...lode was located a few years ago on Cody Creek in the SE. | sec. 8, T. 11 S., R. 7 W., and in 1916 was |  | | Report (issue) | | INTRODUCTION. The northern foothills of the Alaska Range have been widely traversed by prospectors...supply point. In 1903 gold-placer mining commenced in the Bonnifield country, about 60 miles south of...area are the Alaska Range and the Tanana Flats. The Alaska Range in this, part of Alaska trends round...almost constant torment. The bed rock of the Bonnifield and Kantishna regions includes highly metamorphosed...just south of Healy Creek, and extends northeastward to the south of the Bonnifield region; the slates |  | | Report (volume) | | QuadraQgle, Alaska Interpretation of Reconnaissance Geochemical Data from the Healy Quadrangle, Alaska By THOMAS...reconnaissance geochemical data from the Healy quadrangle, Alaska I by Thomas D. Ught, Richard B. Tripp, and Harley...no.: I 19.3:1894 1. Geology-Alaska-Healy Region. 2. Geochemistry-Alaska-Healy Region. I. Tripp, A. B...of geochemical data from the Healy quadrangle, Alaska. CONTENTS Introduction 1 Regional geologic setting...Big Grizzly Creek area 9 Tertiary Nenana Gravel and coal-bearing rocks 9 Chulitna district 9 10 Honolulu |  | | Report (volume) | | the Central Alaska Range GEOLOGICAL SURVEY BULLETIN 1254-E Schists of the Central Alaska Range By...relations. ___________--_-_-_-________--_Birch Creek Schist_________..___________________ ___________--__-___...___________ Moose Creek Member___-._-__--_____-_______-_-_-______-___---California Creek Member____ __-_-...__________-____-_______-_----Chute Creek, Mystic Creek, and Sheep Creek Members.___________ Age and origin...schists and associated rocks south of the Birch Creek Schist. References cited.______________________ |  | | Report (volume) | | Director Bulletin 687 THE KANTISHNA REGION ALASKA BY STEPHEN R. CAPPS )L.TL:iCA L 120926 WASHINGTON...Kantishna basin Relief Tanana lowland Foothills Alaska Range. Climate " Vegetation Game. Population Routes... Geology Principal features Stratigraphy Birch Creek schist. Character and distribution Structure and...Economic geology 75 History of mining 76 Gold placers • 76 General features 77 Mining condition• Origin of gold...83 Glen Creek 83 Eureka Creek 85 87 Friday Creek Eldorado Creek 88 Moose Creek 88 Glacier Creek 83 Caribou |  | | Report (issue) | | Unmined Volcanogenic Massive Sulfide Deposit in the Alaska Range By Stuart A. Giles and Robert G. Eppinger...n = 6 Upstream of alteration zone, n = 8 Diverse mine drainage, n = 125 0.001 3 4 5 6 7 8 0.5...>10–100 (>100–1,000) >100–590 (>1,000–5,900) Creek site ntain Red Mou 45 pH Fe Na K Si Al Mg...(>100–1,000) >30,000–240,000 (>1,000–10,000) g Creek site Spring site Approx. visible extent of alteration...crustal background) on all creeks except Red Mountain Creek where only the acidic spring east of Red Mountain |  | | Report (issue) | | developed, the deposit will be mined by underground mining methods. The deposit is part of lands owned by...placer gold mine operations on the Eureka and Mary's bench depositsin the Koyukuk-Nolan district of northern...northern Alaska. The center nugget weighs 41.35 ounces (1,286 grams) and is unofficially the tenth largest...by Tom Bundtzen) Top right: The Valdez Creek placer gold mine, 50 miles (80 kilometers) east of Cantwell...Cantwell, has been Alaska's largest gold mine for ten of the last eleven years, and it is one of the largest |  | | Report (issue) | | only a few localities. Those of the Mount Eielson district are described by Moffit in an accompanying paper...is approached at its eastern edge by way of the Alaska Railroad, built a,nd operated by the Federal Government...park here covers a complete section' across the Alaska Range and offers a great variety of scenery, from...glacier-filled valleys of 219 220 MINERAL BESOtmOES OF ALASKA, 1930 the main divide to the open valleys and...penetrated to this rather inaccessible portion of Alaska up to the end of the Russian occupa- PIGURE 6 |  | | Report (issue) | | MINERAL RESOURCES OF THE REGION TRAVERSED BY THE ALASKA RAILROAD. By STEPHEN R. CAPPS. INTRODUCTION. ...bridge across Tanana Kiver, in March, 1923, the Alaska Railroad, begun in 1915, was opened for direct...Pacific coast, and Fairbanks, in the heart of central Alaska, a distance of 468 miles (fig. 1). Rarely has ...showing location of the region traversed by the Alaska Railroad. the construction of a railroad of this...in transporting pas73 74 MINERAL RESOURCES OF ALASKA, 1922. sengers and freight to the basins of these |  | | Report (issue) | | H ^.AW/ ? BY CLYDE P. ROSS Investigations in Alaska Railroad belt, 1931 (Pages 425-468) UNITED STATES...between Clearwater Creek and the Susitna River... .... Beds in the valley of Coal Creek. __.________________...________________ _____-__ Limestone mass north of Coal Creek.... _____________________ Tuffaceous and related s...----- ______ -____........ 435 Schist near Valdez Creek __ ___________________________________ Tertiary...-_-__ Deposits at Denali. ___________________________________ Bars of Valdez Creek. _____________________________ |  | | Report (volume) | | OTIS SMITH, DIRECTOR BtTMiETIN 501 THE BONNIFIELD REGION ALASKA BY STEPHEN R. CAPPS WASHINGTON GOVERNMENT...____________ _ Descriptions of formations ___ __ _ . Birch Creek schist __________________-________ Character and...____-________ Moose Creek__________________ Totatlanika basin_________.________________ Totatlanika Creek '_______________%...'_______________% Homestake Creek _ _ California Creek _ Rex Creek_ Tatlanika basin_____________ ___ Tatlanika...Creek___________ ___________ Hearst Creek _ _ Gold King Creek___________ _____________ Dry Creek and Little Delta River________________ |  | | Report (volume) | | Metalliferous Lode Deposits and Placer Districts of Alaska By WARREN j. NOKLEBERG, THOMAS K. BUNDTZEN, HENRY...metalliferous lode deposits and placer districts of Alaska. U.S. Geological Survey Bulletin 1786 Bibliography...No.: 119.3:1786 1. Placer deposits-Alaska. 2. Ore deposits-Alaska. I. Nokleberg, Warren j. II. Series...COVER Mill buildings at Kennecott, Alaska. The Kennecott district Cu-Ag mines in the Wrangell Mountains...deposit description for Kennecott district (number 30 for southern Alaska). Copyrighted drawing used by permission |  | | Report (issue) | | MINING DEVELOPMENTS IN THE MATANUSKA COAL FIELDS. By THEODORE CHAPIN. INTRODUCTION. The only coal-mining...Government-operated mines at Eska and Chickaloon by the Alaska Engineering Commission in charge of Sumner S. Smith...geology and developments recently published.1 ESKA MINE. The principal operations were at Eska, where an...perpendicular to the creek, which has cut across the beds and has exposed a natural section. The mining by the Alaska...nature of development. On the west side of Eska Creek the Eska, Shaw, and Martin tunnels were extended |  | | Report (volume) | | The Coal-Bearing Group in the Nenana Coal Field, Alaska By CLYDE WAHRHAFTIG, JACK A. WOLFE, ESTELLA B....Introduction _____ _ Coal-bearing group _ _____ __ Healy Creek Formation _________________________ Sanctuary Formation..._ Suntrana Formation _________________ Lignite Creek Formation __________________ _____ Grubstake Formation...of the Nenana coal field and environs, central Alaska Range, showing the major coal basins and northern...Geologic map of part of the valley of Tatlanika Creek, Fairbanks A-3 quadrangle __________________ Page |  | | Report (issue) | | LODE MINING AND PROSPECTING ON SEWARD PENINSULA. By J. B. MERTIE, Jr. INTRODUCTION. The lodes of Seward...most part undeveloped. The Big Hurrah mine, in the Solomon district, produced gold from 1903 to 1907 but...been made from the Sliscovich mine, on Manila Creek, in the Nome district, but these were more in the nature...development is still in the stage of prospecting. Lode mining of some of the semiprecious and base metals, however...GOLD. SLISCOVICH. The Sliscovich mine, near the head of Manila Creek, has been described in some detail |  | | Report (issue) | | D THE MOUNT EIELSON DISTRICT ALASKA BY JOHN C. REED Investigations in Alaska Railroad belt, 1931 (..._-_____._____________.: . Arrangement with the Alaska Railroad._--_--_-_--...:_-_._.--__ Nature of field...Mount Eielson district- _________ In pocket Geologic map of the Mount Eielson district.___________ In...Mount Eielson district..--. In pocket Geologic map of part of the Mount Eielson district._____ In pocket...pocket Index map showing areas investigated in Alaska Railroad belt, 1931.____--__-_,_________.1____-----_ |  | | Report (volume) | | Mendenhall, Director Bulletin 907 GEOLOGY OF THE ALASKA RAILROAD REGION BY STEPHEN R. CAPPS UNITED STATES...Copper-Susitna lowland._------------..___-..._.--_.-.-.-._ Alaska Range.______.___------__----_-_-__--_-_-__________..._-_-_-.-_-_.--.------------__-------._--_..-._ The Alaska Railroad.__.____.___-_-______.______-__.___.._...history of the Talkeetna region._____________________ Alaska Range._______________ _________________________________...rocks_________.____._________ ______________ Birch Creek schist.____________________________________ Undifferentiated |  | Nokleberg, W.J., Bundtzen, T.K., Berg, H.C., Brew, D.A., Grybeck, Donald, Robinson, M.S., Smith, T.E., Yeend, W.E. (1988) Metallogeny and major mineral deposits of Alaska. Open-File Report Vol. 1988 (88-73) US Geological Survey doi:10.3133/ofr8873 | Report (issue) | | SURVEY Metallogeny and Major Mineral Deposits of Alaska by 1 Thomas K. BundtzenS 7 Henry C. Berg 0"3 ,...endorsement by the U.S.G.S. ' U.S. Geological Survey ^ Alaska Division of Geological and Geophysical Surveys...unpublished data on metalliferous mineral deposits of Alaska, and on recent and older published articles and... universities, the U.S. Geological Survey, the Alaska Division of Geological and Geophysical Surveys... Andersen, Resource Associates of Alaska, Inc., Fairbanks, Alaska Roger P. Ashley, U.S. Geological Survey |  | Csejtey, Bela, Mullen, M.W., Cox, D.P., Gilbert, W.G., Yeend, W.E., Smith, T.E., Wahrhaftig, Clyde, Craddock, Campbell, Brewer, W.M., Sherwood, K.W., Hickman, R.G., Stricker, G.D., St. Aubin, D. R., Goerz, D. J. (1986) Geology and geochronology of the Healy quadrangle, Alaska. Open-File Report Vol. 1986 (86-396) US Geological Survey doi:10.3133/ofr86396 | Report (issue) | | GEOLOGY AND GEOCHRONOLOGY OF THE HEALY QUADRANGLE, ALASKA By Bela Csejtey, Jr. 1, Michael W. Mullen 1, Dennis... California Alaska Division of Geological and Geophysical Surveys, Juneau, Alaska Alaska Division of...of Geological and Geophysical Surveys, College, Alaska University of Wisconsin, Madison, Wisconsin U.S..............................36 Ohio Creek area (Chulitna district) ............................ 36 JTRrs...quadrangle, Alaska .............................58 Table 2. Fossil data from the Healy quadrangle, Alaska ... |  | | Report (volume) | | QUADRANGLE, ALASKA BY L. M. PRINDLE WITH A DETAILED DESCRIPTION OF THE FAIRBANKS DISTRICT BY L. M. PRINDLE...PRINDLE AND F. J. KATZ AND AN ACCOUNT OF LODE MINING NEAR FAIRBANKS BY PHILIP S. SMITH WASHINGTON...Pre-Qrdovician ( ?) rocks ________________ Birch Creek schist____._ _____________ Lithologic character...Geologic history_______ GEOLOGY OF THE FAIRBANKS DISTRICT, by L. M. PRINDLE and F. J. KATZ_ Descriptive..._____^________ ___ Pre-Ordovician rocks___________ Birch Creek schist- . _ General character_________ Quartzite |  | | Report (volume) | | Coal Investigations in South-Central Alaska, 1944-46 By F. F. BARNES, CLYDE WAHRHAFTIG, C. A. HICKCOX...HEALY CREEK by'E'. H, COBS' GEOLOGICAL SURVEY BULLETIN 963 - E Mineral Resources of Alaska, 1945-46...on Healy and Lignite Creeks, Nenana coal field, Alaska, by "Clyde Wahrhaftig, C. A. Hickcox, aiid Jacob..._____________________________________________ Birch Creek schist (pre-Cambrian)_________..._____!_ _^__. Coal-bearing...formation (Tertiary)_______________________ Healy Creek........_.._._____._._.__..__._.._._._. Lignite Creek_______ |  | | Report (issue) | | DEPOSITS OF THE FAIRBANKS DISTRICT, ALASKA BY JAMES M. HILL Investigations in Alaska Railroad belt, 1931 (Pages...-_-__-_____-_-_--___-__.--___ Pre-Cambrian rocks (Birch Creek schist)..___-_-----__--_.-__ Character- ___-_--...History of mining.__________________________________________ Economic factors affecting mining.________...____________ Dome Creek and vicinity_____---_--____-_--__--__Little Eldorado Creek._.-_--_-_-_--.__-----__...__-----__._..Cleary Creek.______________________.___ Fairbanks Creek________-_____.__________________Goldstream |  | | Report (volume) | | separate publication ) (A) Mineral industry of Alaska in 1936, by P. S. Smith (published in March 1938)...--------------------_1 (B) 'The Valdez Creek mining district in 1936, by Ralph Tuck (published in March...publications on Alaska. _ _ _ _ _ On back of plate 1 ILLUSTRATIONS Page PLATE 1. Map of Alaska, showing areas...and maps of Alaska.___________________________ In pocket 2. Sketch map of Fortymile district, showing location...gold placer-mining operations.____--__-__-______-_-__--_---_160 3. Sketch map of Eagle district, showing |
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