Open File Report No. 79-2 EVALUATION of the MINERAL RESOURCES of the PIPELINE CORRIDOR PHASES I and I1
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Or Early Callovian) Ammonites from Alaska and Montana
Jurassic (Bathonian or Early Callovian) Ammonites From Alaska and Montana By RALPH W. IMLAY SHORTER CONTRIBUTIONS TO GENERAL GEOLOGY GEOLOGICAL SURVEY PROFESSIONAL PAPER 374-C Descr$tions and illustrations of ctphalopods of possible late Middle Jurasric (Bathonian) age UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1962 UNITED STATES DEPARTMENT OF THE INTERIOR STEWART L. UDALL, Secretary GEOLOGICAL SURVEY Thomas B. Nolan, Director For sale by the Superintendent of Documents, U.S. Government Printing Office Washington 25, D.C. CONTENTS Page Page C- 1 Age of the faunas-Continued C- 1 Callovian versus Bathonian in Greenland- - - - _ - - _ - - C-2 Callovian versus Bathonian in Alaska and Montana- -- - Stratigraphic summary- __ --______ _ - - - -- - ---.- -- -.- - - C-2 Paleogeographic considerations- - -_-- -- ---- ---- Cook Inlet region, Alaska -______--------.-.--..--c-2 Summation of the evidence- - - _._ _ - _ _ - - - - - - - - - - - - Iniskin Peninsula-_-_______----.--------~.--C-2 Comparisons with other faunas---------___----------- Peninsula north of Chinitna Bay----- __._ _ _._ - C-3 \Vestern interior of Canada- - - -- -- -____------- --- Talkeetna Mountains ----___-_ - - -- ---- - - -- - -- C-3 Arctic region-_-_---___-_----------------------- Western Montana- - -----__-----------------.---C-5 other regions--__-__-____----------------------- Rocky Mountain front north of the Sun River- (2-5 Geographic distribution ___-___ --- - ---------- ------ -- - Drummond area--- ---_____ _--- -- -.-- ---- -- - C-10 Summary of results- --_-____-_----_---_-_----------- Age ofthe faunas-----------_----------------------- GI0 Systematic descriptions--_ _ _ - _ - - - - - - - - - - - - - - - - - - - - - - - Evidence from Alaska---____________--------------C-10 Literature cited _-_-_---______----------------------- Evidence from Montana --_-_____ --- - - -- .--- --- - - C-12 Index---__--___-_-_------------------------------- ILLUSTRATIONS [Plates 1-3 follow index] PLATE 1. Holcophylloceras, Oecotraustes (Paroecotraustes) ?, and Arctocephalites (Cranocephalites). 2. -
Thermochronology of the Talkeetna Intraoceanic Arc of Alaska: Ar/Ar, U‐Th/He, Sm‐Nd, and Lu‐Hf Dating
TECTONICS, VOL. 30, TC1011, doi:10.1029/2010TC002798, 2011 Thermochronology of the Talkeetna intraoceanic arc of Alaska: Ar/Ar, U‐Th/He, Sm‐Nd, and Lu‐Hf dating B. R. Hacker,1 Peter B. Kelemen,2 Matthew Rioux,1,3 Michael O. McWilliams,4 Philip B. Gans,1 Peter W. Reiners,5 Paul W. Layer,6 Ulf Söderlund,7 and Jeffrey D. Vervoort8 Received 17 September 2010; revised 8 December 2010; accepted 27 December 2010; published 26 February 2011. [1] As one of two well‐exposed intraoceanic arcs, the of the Talkeetna arc was spatially variable. One‐ Talkeetna arc of Alaska affords an opportunity to under- dimensional finite difference thermal models show that stand processes deep within arcs. This study reports new this kind of spatial variability is inherent to intraoceanic Lu‐Hf and Sm‐Nd garnet ages, 40Ar/39Ar hornblende, arcs with simple construction histories. Citation: Hacker, mica and whole‐rock ages, and U‐Th/He zircon and B. R., P. B. Kelemen, M. Rioux, M. O. McWilliams, P. B. Gans, apatite ages from the Chugach Mountains, Talkeetna P. W. Reiners, P. W. Layer, U. Söderlund, and J. D. Vervoort Mountains, and Alaska Peninsula, which, in conjunc- (2011), Thermochronology of the Talkeetna intraoceanic arc of tion with existing geochronology, constrain the thermal Alaska: Ar/Ar, U‐Th/He, Sm‐Nd, and Lu‐Hf dating, Tectonics, history of the arc. Zircon U‐Pb ages establish the 30, TC1011, doi:10.1029/2010TC002798. main period of arc magmatism as 202–181 Ma in the Chugach Mountains and 183–153 Ma in the 1. -
Field-Trip Guide to Volcanic and Volcaniclastic Deposits of the Lower Jurassic Talkeetna Formation, Sheep Mountain, South-Central Alaska
Field-Trip Guide to Volcanic and Volcaniclastic Deposits of the Lower Jurassic Talkeetna Formation, Sheep Mountain, South-Central Alaska U.S. Department of the Interior U.S. Geological Survey Open-File Report 2006-1124 Field-Trip Guide to Volcanic and Volcaniclastic Deposits of the Lower Jurassic Talkeetna Formation, Sheep Mountain, South-Central Alaska Amy E. Draut U.S. Geological Survey, Pacific Science Center, Santa Cruz, CA 95060 Peter D. Clift School of Geosciences, University of Aberdeen, AB24 3UE, U.K. Robert B. Blodgett U.S. Geological Survey–Contractor, Anchorage, AK 99508 U.S. GEOLOGICAL SURVEY Open-File Report 2006-1124 2006 U.S. Department of the Interior P. Lynn Scarlett, Acting Secretary U.S. Geological Survey P. Patrick Leahy, Acting Director U.S. Geological Survey, Reston, Virginia 2006 Revised and reprinted: 2006 Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government To download a copy of this report from the World Wide Web: http://pubs.usgs.gov/of/2006/1124/ For more information on the USGS—the Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment: World Wide Web: http://www.usgs.gov Telephone: 1-888-ASK-USGS Although this report is in the public domain, permission must be secured from the individual copyright owners to reproduce any copyrighted material contained within this report. LIST OF FIGURES FIGURE 1. Regional map of the field-trip area. FIGURE 2. Geologic cross section through Sheep Mountain. FIGURE 3. Stratigraphic sections on the south side of Sheep Mountain. -
Geology of the Prince William Sound and Kenai Peninsula Region, Alaska
Geology of the Prince William Sound and Kenai Peninsula Region, Alaska Including the Kenai, Seldovia, Seward, Blying Sound, Cordova, and Middleton Island 1:250,000-scale quadrangles By Frederic H. Wilson and Chad P. Hults Pamphlet to accompany Scientific Investigations Map 3110 View looking east down Harriman Fiord at Serpentine Glacier and Mount Gilbert. (photograph by M.L. Miller) 2012 U.S. Department of the Interior U.S. Geological Survey Contents Abstract ..........................................................................................................................................................1 Introduction ....................................................................................................................................................1 Geographic, Physiographic, and Geologic Framework ..........................................................................1 Description of Map Units .............................................................................................................................3 Unconsolidated deposits ....................................................................................................................3 Surficial deposits ........................................................................................................................3 Rock Units West of the Border Ranges Fault System ....................................................................5 Bedded rocks ...............................................................................................................................5 -
An Inventory of Belemnites Documented in Six Us National Parks in Alaska
Lucas, S. G., Hunt, A. P. & Lichtig, A. J., 2021, Fossil Record 7. New Mexico Museum of Natural History and Science Bulletin 82. 357 AN INVENTORY OF BELEMNITES DOCUMENTED IN SIX US NATIONAL PARKS IN ALASKA CYNTHIA D. SCHRAER1, DAVID J. SCHRAER2, JUSTIN S. TWEET3, ROBERT B. BLODGETT4, and VINCENT L. SANTUCCI5 15001 Country Club Lane, Anchorage AK 99516; -email: [email protected]; 25001 Country Club Lane, Anchorage AK 99516; -email: [email protected]; 3National Park Service, Geologic Resources Division, 1201 Eye Street, Washington, D.C. 20005; -email: justin_tweet@ nps.gov; 42821 Kingfisher Drive, Anchorage, AK 99502; -email: [email protected];5 National Park Service, Geologic Resources Division, 1849 “C” Street, Washington, D.C. 20240; -email: [email protected] Abstract—Belemnites (order Belemnitida) are an extinct group of coleoid cephalopods, known from the Jurassic and Cretaceous periods. We compiled detailed information on 252 occurrences of belemnites in six National Park Service (NPS) areas in Alaska. This information was based on published literature and maps, unpublished U.S. Geological Survey internal fossil reports (“Examination and Report on Referred Fossils” or E&Rs), the U.S. Geological Survey Mesozoic locality register, the Alaska Paleontological Database, the NPS Paleontology Archives and our own records of belemnites found in museum collections. Few specimens have been identified and many consist of fragments. However, even these suboptimal specimens provide evidence that belemnites are present in given formations and provide direction for future research. Two especially interesting avenues for research concern the time range of belemnites in Alaska. Belemnites are known to have originated in what is now Europe in the Early Jurassic Hettangian and to have a well-documented world-wide distribution in the Early Jurassic Toarcian. -
Geological Characteristics in Cook Inlet Area, Alaska
SOCIE?I’YOF PETROLEUMENGINEERSOF AIME 6200 North CentralExpressway *R SPE 1588 Dallas,Texas 752C6 THIS IS A PREPRINT--- SUBJECTTO CORRECTION Geological Characteristics in Cook Inlet Area, Alaska Downloaded from http://onepetro.org/SPEATCE/proceedings-pdf/66FM/All-66FM/SPE-1588-MS/2087697/spe-1588-ms.pdf by guest on 25 September 2021 By ThomasE. Kelly,Jr. MemberAIYE, Mickl T. Halbouty,Houston,Tex. @ Copyright 19G6 Americsn Institute of Mining, Metallurgical and Petroleum Engineers, Inc. This paper was preparedfor the 41st AnnualFall Meetingof the Societyof PetroleumEngineers of AIME, to be held in Dallas,l?ex.,Oct. 2-5, 1966. permissionto copy is restrictedto an abstract of not more than 300 words. Illustrationsmay not be copied. The abstractshouldcontainconspicu- ous acknowledgmentof whereand by whom the paper is presented. Publicationelsewhereafter publica- tion in the JOURNALOF l?i’TROI.WJMTECHNOLOGYor the SOCIETYOF PETROLEUMENGINEERSJOURNALis usually grantedupon requestto the Editorof the appropriatejournalprovideciagreementto give propercredit is made. Discussionof this paper is invited. Three copiesof any discussionshouldbe sent to the Societyof PetroleumEngineersoffice. Such discussionmay be presentedat the abovemeetingand, with the paper,may be consideredfor publicationin one of the two WE magazines. v, The Cook Inlet basin is a narrow, Although the general characteristics elongate trough of Mesozoic and Ter- of the basin are fairly well known, tiary sediments located north of new information, as it is made avail- latitude 59° in south-central Alaska able will cause many revisions of the (Fig. 1). The basin covers approxi- stratigraphic and structural fabric mately 11,000 square miles of th~ before a complete geological picture northerripart of the Matanuska geo- is possible. -
Bul1969b Plate2.Pdf
U.S. Department of the Interior Bulletin 1969–B U.S. Geological Survey Plate 2 of 2 STRATIGRAPHIC CORRELATION CHART OF THE TERRANES OF THE ALASKA PENINSULA AND NEARBY TERRANES AND STRATIGRAPHIC UNITS OF SOUTHERN ALASKA [Wavy lines indicate areas of unconformity or disconformity. Shaded gray areas indicate missing section or nondepostion] GEOLOGIC UNITS OF THE ALASKA PENINSULA TERRANE GEOLOGIC UNITS OF THE GEOLOGIC UNITS OF THE "HIDDEN" GEOLOGIC UNITS OF THE GEOLOGIC UNITS OF THE WRANGELLIA TERRANE GEOLOGIC UNITS OF THE SOUTHERN KAHILTNA TERRANE KAHILTNA ASSEMBLAGE CHUGACH TERRANE BLOCK (KNIK RIVER TERRANE) CHIGNIK SUBTERRANE ILLIAMNA SUBTERRANE Plafker and others (1977); Connelly Pavlis (1983,1986); Roeske and other (1989); Detterman and others (1996); Detterman and Hartsock (1966); Detterman Detterman and others (1996); Detterman and Hartsock (1966); Detterman Jones and others (1977); Jones and MacKevett (1969); Plafker and others (1989); (1978); Moore (1974b) Burns (1985); Connelly and Moore (1978) and Reed (1980); this paper and Reed (1980); this paper MacKevett (1969; 1978) Wallace and others (1977) Jones and others (1977) Hoodoo and Kaguyak Formations (Late Cretaceous, Maestrichtian and Campanian)—Siltstone, shale (Hoodoo >600 meters; Kaguyak >1,200 meters) Sedimentary rocks (Late Cretaceous and late Early Cretaceous; Maestrichtian Chignik Formation (Late Cretaceous; Maestrichtian and Campanian)— to late Albian)—Correlative with Matanuska Formation and consists of four Sandstone, siltstone, conglomerate, coal (~600 meters) formations -
Open File Report No. 79-2 EVALUATION of the MINERAL RESOURCES of the PIPELINE CORRIDOR PHASES I and I1
Evaluation of the mineral resources of the pipeline corridor, phases i and ii Item Type Technical Report Authors Robinson, M.S. and Metz, P.A. Citation Robinson, M.S. and Metz, P.A., 1979, Evaluation of the mineral resources of the pipeline corridor, phases i and ii: University of Alaska Mineral Industry Research Laboratory Open File 79-2, 272 p. Publisher University of Alaska Mineral Industry Research Laboratory Download date 10/10/2021 15:21:54 Link to Item http://hdl.handle.net/11122/2135 Open File Report No. 79-2 EVALUATION OF THE MINERAL RESOURCES OF THE PIPELINE CORRIDOR PHASES I AND I1 M.S. Robinson G P.A. Metz 1979 EVALUATION OF THE MINERAL RESOURCES OF THE PIPELINE CORRIDOR PHASE I AND I1 Final Report Submitted. to U.S. Bureau of Mines Alaska Fie1 d Operations Center Juneau, A1 aska Grant No. 601 66180 June 1, 1979 Submitted by Mark S. Robinson and Paul A:Metz Mineral Industry Research Laboratory University of A1 as ka Fairbanks, Alaska 99701 CONTENTS Page Introduction 1 Summary and Conclusions . I_. I SectionI. Geology and Mineral Resources of the Valdez .-.7 I ::: quadrangle Previous Investigations 11 .,- Regional Geology and Petrology . 11 Structural Geology 20 Geochemistry 21 Mining Activity and Economic Geology 23 References Cited 26 Bibliography 2 9 Section 11. Geology and Mineral Resources of the Gul kana quadrangle Previous Investigations Regional Geology and Petrology Structural Geology Geoc hemi s try Mining Activity and Economic Geology References Cited Bi bl iography Section 111. Geology and Mineral Resources of the Mt. Hayes quadpang1 e ---- -- Previous Investigations 44 Regional Geology and Petrology 45 Structural Geology 52 Geochemi stry 53 Mining Activity and Economic Geology 55 References Cited - 60 Bibliography 64 .Section IV. -
The Latte Gold Zone, Kaminak's Coffee Gold Project, Yukon, Canada: Geology, Geochemistry, and Metallogeny
Western University Scholarship@Western Electronic Thesis and Dissertation Repository 1-10-2014 12:00 AM The Latte Gold Zone, Kaminak's Coffee Gold Project, Yukon, Canada: Geology, Geochemistry, and Metallogeny Eric Buitenhuis The University of Western Ontario Supervisor Dr. Norman A. Duke The University of Western Ontario Joint Supervisor Dr. Craig S. Finnigan The University of Western Ontario Graduate Program in Geology A thesis submitted in partial fulfillment of the equirr ements for the degree in Master of Science © Eric Buitenhuis 2014 Follow this and additional works at: https://ir.lib.uwo.ca/etd Part of the Geochemistry Commons, Geology Commons, and the Tectonics and Structure Commons Recommended Citation Buitenhuis, Eric, "The Latte Gold Zone, Kaminak's Coffee Gold Project, Yukon, Canada: Geology, Geochemistry, and Metallogeny" (2014). Electronic Thesis and Dissertation Repository. 1858. https://ir.lib.uwo.ca/etd/1858 This Dissertation/Thesis is brought to you for free and open access by Scholarship@Western. It has been accepted for inclusion in Electronic Thesis and Dissertation Repository by an authorized administrator of Scholarship@Western. For more information, please contact [email protected]. THE LATTE GOLD ZONE, KAMINAK’S COFFEE GOLD PROJECT, YUKON, CANADA: GEOLOGY, GEOCHEMISTRY, AND METALLOGENY (Thesis format: Monograph) by Eric Buitenhuis Graduate Program in Geology A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science The School of Graduate and Postdoctoral Studies The University of Western Ontario London, Ontario, Canada © Eric Buitenhuis 2014 Abstract The Latte Gold Zone is hosted within complexly tectonically imbricated metamorphic rocks of the Yukon-Tanana terrane. Snowcap assemblage psammitic schist and amphibolite with exotic Slide Mountain ultramafics overthrusts unidentified arc metavolcanics which in turn overthrust the Late Permian Sulphur Creek orthogneiss. -
United States Geological Survey Charles D
Bulletin No. 218 Series A, Economic Geology, 26 DEPARTMENT OF TPIE INTERIOR UNITED STATES GEOLOGICAL SURVEY CHARLES D. WALCOTT, DIRECTOR THE BY ARTI-IUR J. COLLIER- WASHINGTON GOVERNMENT PRINTING OFFICE 1903 UJ <" tf 0(£l r CONTENTS. _ Page. Letter of transmittalT^ .................................................... 7 Introduction.......... ................................................... 9 Geography. ...... .^...................................................... 11 Sketch of geology ........................................................ 13 The coal..............................................................:... 19 Geographic distribution and.character................................. 19 Descriptions of localities .............................................. 20 Introduction..................................................... 20 Circle province..............................................'..... 20 Coul in Canadian territory .................................... 21 Mission Creek.............................. J................. 26 Seve'ntymile River............................................ 28 Washington Creek............................................ 28 Bonanza Creek............................................... 32 Coal Creek................................................... 32 Nation River mine............................................ 33 Rampart province......:......................................... 36 Drew mine ..............................................\... 37 Minook Creek............................................... -
Mineralogy and Occurrence of Europium-Rich Dark Monazite by SAM ROSENBLUM and ELWIN L
Mineralogy and Occurrence of Europium-Rich Dark Monazite By SAM ROSENBLUM and ELWIN L. MOSIER GEOLOGICAL SURVEY PROFESSIONAL PAPER 1181 Mineral-exploration research on Alaskan panned concentrates, resulting in recognition of a new guide to contact aureoles UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON: 1983 UNITED STATES DEPARTMENT OF THE INTERIOR JAMES G. WATT, Secretary GEOLOGICAL SURVEY Dallas L. Peck, Director Library of Congress Cataloging in Publication Data Rosenblum, Sam. Mineralogy and occurrence of europium-rich dark monazite. (Geological Survey Professional Paper 1181) Bibliography: 67 p. 1. Monazite. 2. Europium. 3. Monazite-Alaska. I. Mos~er,Elwin L. 11. Title. Ill. Series. TN948.M7R67 1983 553.4'943 82-600301 For sale by the Distribution Branch, U.S. Geological Survey 604 South Pickett Street, Alexandria, VA 22304 CONTENTS Abstract Chemical composition Introduction Analytical procedures Commercial monazite Spectrographic analysis Purpose of present study Neutron activation analysis History of dark monazite investigations Other procedures Acknowledgments - Results - Geology -- Discussion Domestic discoveries of dark monazite Review of composition of monazite Alaska --- Dark monazite and yellow monazite Montana ------ Geochemistry --- Foreign localities - Nature of the lanthanides France -- Geochemical abundances of the rareearth elements - U.S.S.R. - Chondrites -- Malagasy Republic Seawater and rocks Zaire ----- Rock-forming minerals Taiwan -- Monazite Pakistan Presentation of data on rareearth elements Bangladesh Genesis -
Geology of East-Central Alaska by Helen L. Foster, Terry E. C. Keith
DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Geology of East-Central Alaska by Helen L. Foster, Terry E. C. Keith, and W. David Menzie* Open-File Report 87-188 This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards and stratigrahic nomenclature. Any use of trade names is for descriptive purposes only and does not imply endorsement by the USGS. 1 Menlo Park, California East-Central Alaska Contributors and acknowledgements...........................................1 Introduction................................................................! Yukon-Tanana terrane............................ ...........................2 Yukon-Tanana terrane north of the Tanana River............................3 Stratigraphy............................................................3 Metamorphic rocks.....................................................3 Subterrane Yj (Northeastern Mount Hayes, southern Big Delta, southwestern Eagle, and northern Big Delta, southwestern Charley River, Livengood, and Fairbanks quadrangles)..............5 Subterrane ^^ (Circle, northern Big Delta, southwestern Charley River, Livengood, and Fairbanks quadrangles)......................? Quartzite and quartzitic schists (unit qq)......................7 Pelitic schist, quartzite, marble, and amphibolite (unit ps)....9 Eclogite and associated rocks (unit ec)........................10 Subterrane Y3 (Northern Big Delta, Fairbanks, southern Circle, Eagle, Charley River, and eastern Tanacross quadrangles)................11