Archaeology of the Polar Eskimo
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Baffin Bay Sea Ice Extent and Synoptic Moisture Transport Drive Water Vapor
Atmos. Chem. Phys., 20, 13929–13955, 2020 https://doi.org/10.5194/acp-20-13929-2020 © Author(s) 2020. This work is distributed under the Creative Commons Attribution 4.0 License. Baffin Bay sea ice extent and synoptic moisture transport drive water vapor isotope (δ18O, δ2H, and deuterium excess) variability in coastal northwest Greenland Pete D. Akers1, Ben G. Kopec2, Kyle S. Mattingly3, Eric S. Klein4, Douglas Causey2, and Jeffrey M. Welker2,5,6 1Institut des Géosciences et l’Environnement, CNRS, 38400 Saint Martin d’Hères, France 2Department of Biological Sciences, University of Alaska Anchorage, 99508 Anchorage, AK, USA 3Institute of Earth, Ocean, and Atmospheric Sciences, Rutgers University, 08854 Piscataway, NJ, USA 4Department of Geological Sciences, University of Alaska Anchorage, 99508 Anchorage, AK, USA 5Ecology and Genetics Research Unit, University of Oulu, 90014 Oulu, Finland 6University of the Arctic (UArctic), c/o University of Lapland, 96101 Rovaniemi, Finland Correspondence: Pete D. Akers ([email protected]) Received: 9 April 2020 – Discussion started: 18 May 2020 Revised: 23 August 2020 – Accepted: 11 September 2020 – Published: 19 November 2020 Abstract. At Thule Air Base on the coast of Baffin Bay breeze development, that radically alter the nature of rela- (76.51◦ N, 68.74◦ W), we continuously measured water va- tionships between isotopes and many meteorological vari- por isotopes (δ18O, δ2H) at a high frequency (1 s−1) from ables in summer. On synoptic timescales, enhanced southerly August 2017 through August 2019. Our resulting record, flow promoted by negative NAO conditions produces higher including derived deuterium excess (dxs) values, allows an δ18O and δ2H values and lower dxs values. -
Sir John Franklin and the Arctic
SIR JOHN FRANKLIN AND THE ARCTIC REGIONS: SHOWING THE PROGRESS OF BRITISH ENTERPRISE FOR THE DISCOVERY OF THE NORTH WEST PASSAGE DURING THE NINE~EENTH CENTURY: WITH MORE DETAILED NOTICES OF THE RECENT EXPEDITIONS IN SEARCH OF THE MISSING VESSELS UNDER CAPT. SIR JOHN FRANKLIN WINTER QUARTERS IN THE A.ROTIO REGIONS. SIR JOHN FRANKLIN AND THE ARCTIC REGIONS: SHOWING FOR THE DISCOVERY OF THE NORTH-WEST PASSAGE DURING THE NINETEENTH CENTURY: WITH MORE DETAILED NOTICES OF THE RECENT EXPEDITIONS IN SEARCH OF THE MISSING VESSELS UNDER CAPT. SIR JOHN FRANKLIN. BY P. L. SIMMONDS, HONORARY AND CORRESPONDING JIIEl\lBER OF THE LITERARY AND HISTORICAL SOCIETIES OF QUEBEC, NEW YORK, LOUISIANA, ETC, AND MANY YEARS EDITOR OF THE COLONIAL MAGAZINE, ETC, ETC, " :Miserable they Who here entangled in the gathering ice, Take their last look of the descending sun While full of death and fierce with tenfold frost, The long long night, incumbent o•er their heads, Falls horrible." Cowl'ER, LONDON: GEORGE ROUTLEDGE & CO., SOHO SQUARE. MDCCCLI. TO CAPT. SIR W. E. PARRY, R.N., LL.D., F.R.S., &c. CAPT. SIR JAMES C. ROSS, R.N., D.C.L., F.R.S. CAPT. SIR GEORGE BACK, R.N., F.R.S. DR. SIR J. RICHARDSON, R.N., C.B., F.R.S. AND THE OTHER BRAVE ARCTIC NAVIGATORS AND TRAVELLERS WHOSE ARDUOUS EXPLORING SERVICES ARE HEREIN RECORDED, T H I S V O L U M E I S, IN ADMIRATION OF THEIR GALLANTRY, HF.ROIC ENDURANCE, A.ND PERSEVERANCE OVER OBSTACLES OF NO ORDINARY CHARACTER, RESPECTFULLY DEDICATED, BY THEIR VERY OBEDIENT HUMBLE SERVANT, THE AUTHOR. -
Plagioclase-Spinel-Graphite Xenoliths in Metallic Iron
THE AMERICAN MINERALOGIST, VOL. 51, MAY_JUNE, 1966 PLAGIOCLASE-SPINEL-GRAPHITEXENOLITHS IN METALLIC IRON-BEARING BASALTS, DISKO ISLAND, GREENLAND Wrr,rrau G. MBr.soNeNo Gnoncp Swrrzrn Departmentof Mineral Sciences, U. S. l{ational Museum,Washington, D. C. Ansrnac:t Tertiary basalt flows from west Greenland commonly contain metallic iron and graph- ite. They are thus some of the most reduced of terrestrial basalts, and are of interest in con- nection with basalt studies in general, and in connection with the origin of certain meteor- ites (Lovering, 1964). Xenoliths composed mainly of plagioclase (Anzo-zu), graphite, rose-colored spinel and rarely corundum are included in these basalts on Disko Island. The xenoliths are remark- ably similar to reconstituted shale xenoliths in basaltic rocks from other localities except for the presence oI graphite and in the composition of the spinel. The spinel has n:1.747 +0.001, o:8'119+0.002 and D:3.81 +0.01, and electron microprobe analysis gave Mg : 13 and Fe:8.9/6. These data indicate a spinel with composition about spzaHezz.This un- usually low Fe content compared to spinels from other aluminous xenoliths in basaltic rocks is evidently related to the low oxygen fugacities ln basaltic magmas in contact with graphite, particularly in an environment such as Disko, where active reduction of ferrous iron to iron evidently occurred. The close similarities in the mineralogy of the xenoliths from specimen to specimen indi- cate complete equilibration of magma and xenoliths. This equilibration involved mainly loss of K and Si, and gain of Ca, Mg, Al and Na by the xeno.liths. -
NEPHELINE SYENITE and IRON ORE DEPOSITS in GREENLAND by Richardbogvad*
NEPHELINE SYENITE AND IRON ORE DEPOSITS IN GREENLAND By RichardBogvad* HE voyages of exploration toGreenland at the beginning of the Tseventeenth century aroused interestin the possibilities of mineral wealth in the country. As a result King Christian IV in 1605 and 1606 equipped two expeditions to collect silver, which was supposed to have been found in large quantities, but only valueless mica was brought home. After this disappointment thematter was allowed to rest for barely a century,when fresh investigations werestarted; these have-sometimes withlong intervals-been continueduntil today (2; 4). Much time has been devoted tothe investigation of copperand graphite occurrences; coal (lignite) has been mined fortwo centuries, andmarble has been quarried. But so farthe only mineral foundwhich can be profitablv minedis cryolitefrom Ivigtut. Recently, however, nepheline syenite and iron ore deposits have been investigated. NEPHELINESYENITE In GreenlandIn nepheline syenite' occurs in the Kangerd- lugssuaq district onthe east coast (18, p. 38; 19, p. 41); be- tween the Arsuk and Ika fjords onthe west coast (17, p. 387; 6) ; and between Julianehaab and Kagssiarssuk in southern Green- land (15, p. 35; 16, p. 132; 17; 20, p. 60). Only inthe last- mentioneddistrict, which can be divided into the Igdlerfigsalik and Ilimausak-Kangerdluarsuk massifs, are there large quantities of thezirconium-bearing min- eral eudialyte'. K. L. Giesecke (1 O), who made the first sys- tematic mineralogical investiga- tion of Greenlandfrom 1806 to 1813, visited the deposits in Fig. 1. the Kangerdluarsuk district but ~ "Chief geologist, Kryolitselskabet Oresund A/S (The Cryolite Company), Copenhagen. 'Igneous rocks characterized by thepredominance of alkalifelspar, and nephelite, NaAlSiO,. -
The Question of Meteoritic Versus Smelted Nickel-Rich Iron: Archaeological Evidence and Experimental Results Author(S): E
The Question of Meteoritic versus Smelted Nickel-Rich Iron: Archaeological Evidence and Experimental Results Author(s): E. Photos Source: World Archaeology, Vol. 20, No. 3, Archaeometallurgy (Feb., 1989), pp. 403-421 Published by: Taylor & Francis, Ltd. Stable URL: http://www.jstor.org/stable/124562 Accessed: 23/08/2009 02:54 Your use of the JSTOR archive indicates your acceptance of JSTOR's Terms and Conditions of Use, available at http://www.jstor.org/page/info/about/policies/terms.jsp. JSTOR's Terms and Conditions of Use provides, in part, that unless you have obtained prior permission, you may not download an entire issue of a journal or multiple copies of articles, and you may use content in the JSTOR archive only for your personal, non-commercial use. Please contact the publisher regarding any further use of this work. Publisher contact information may be obtained at http://www.jstor.org/action/showPublisher?publisherCode=taylorfrancis. Each copy of any part of a JSTOR transmission must contain the same copyright notice that appears on the screen or printed page of such transmission. JSTOR is a not-for-profit organization founded in 1995 to build trusted digital archives for scholarship. We work with the scholarly community to preserve their work and the materials they rely upon, and to build a common research platform that promotes the discovery and use of these resources. For more information about JSTOR, please contact [email protected]. Taylor & Francis, Ltd. is collaborating with JSTOR to digitize, preserve and extend access to World Archaeology. http://www.jstor.org The question of meteoritic versus smelted nickel-rich iron: archaeological evidence and experimental results E. -
Metals from Ores: an Introduction
CRIMSONpublishers http://www.crimsonpublishers.com Mini Review Aspects Min Miner Sci ISSN 2578-0255 Metals from Ores: An Introduction Fathi Habashi* Department of Mining, Laval University, Canada *Corresponding author: Fathi Habashi, Department of Mining, Metallurgical and Materials Engineering, Laval University, Quebec City, Canada Submission: October 09, 2017; Published: December 11, 2017 Introduction of metallic lustre. Of these about 300 are used industrially in the chemical industry, in building materials, in fertilizers, as fuels, etc., chemical composition, constant physical properties, and a A mineral is a naturally occurring substance having a definite characteristic crystalline form. Ores are a mixture of minerals: they are processed to yield an industrial mineral or treated chemically and are known as the industrial minerals Figure 3. to yield a single or several metals. Ores that are generally processed for only a single metal are those of iron, aluminium, chromium, tin, mercury, manganese, tungsten, and some ores of copper. Gold ores may yield only gold, but silver is a common associate. Nickel ores are always associated with cobalt, while lead and zinc always occur together in ores. All other ores are complex yielding a number of metals. before being treated by chemical methods to recover the metals. Ores undergo a beneficiation process by physical methods and grinding then separation of the individual mineral by physical Figure 2: Metals and metalloids obtained from ores. Beneficiation processes involve liberation of minerals by crushing methods (gravity, magnetic, etc.) or physicochemical methods pyrometallurgical, and electrochemical methods. Metals and (flotation) Figure 1. Chemical methods involve hydrometallurgical, metalloids obtained from ores are shown in Figure 2. -
NKS-215, Assessment of Weathering and Leaching Rates of Thule Hot
Nordisk kernesikkerhedsforskning Norrænar kjarnöryggisrannsóknir Pohjoismainen ydinturvallisuustutkimus Nordisk kjernesikkerhetsforskning Nordisk kärnsäkerhetsforskning Nordic nuclear safety research NKS-215 ISBN 978-87-7893-285-3 Assessment of weathering and leaching rates of Thule hot particles Per Roos (1) Iisa Outola (2) Ulrika Nygren (3) Henrik Ramebäck (3) Rajdeep Sidhu (4) (1)Risoe National Laboratory for Sustainable Energy Technical University of Denmark (2)STUK-Radiation and Nuclear Safety Authority, Finland (3)FOI CBRN Defence and Security, Sweden (4)Environmental Monitoring Section, Health and Safety Department Institute of Energy Technology, Norway March 2010 Abstract Within the current project a methodology for separating actinide particles originating from the Thule 1968 accident has been developed. Particles were completely isolated in water using visual and radiometric methods. The particles were attached electrostatic to a plastic support and could easily be moved to any container for leaching studies or other type of studies. Leaching and dissolution studies performed within the project indicate that some particles are relatively easily destroyed or leached while others are more refractory. The results shows that even though the oxide particles are hard to completely dissolve they release material even when exposed to weak solvents like water and salt solutions. Exposures to lung simulant fluids show relatively slow dissolution rates comparable to what is found using only water. Sequential extraction of particles shows that variation between particles is very large; some dissolve easily while some does not. Of radiological importance is the disruption of particles when exposed to dissolution. Key words Thule, actinide particles, hot particles, plutonium, uranium, Pu-239, U-235, leaching, lung simulant fluid, stomach simulant fluid NKS-215 ISBN 978-87-7893-285-3 Electronic report, March 2010 NKS Secretariat NKS-776 P.O. -
ROLF Gilbergl Numerous Place Names in Greenland Are Beset With
Thule ROLF GILBERGl Numerous place names in Greenland are beset with some confusion, and Thule is possibly the most nonspecific of them all. An attempt has been made in the following paper, therefore, to set out some of the various meanings which have been attached to the word. ULTIMATHULE In times of antiquity, “Thule” was the name given to an archipelago far to the north of the Scandinavian seas.The Greek explorer Pytheas told his contemporaries about this far-awayplace, and about the year 330 B.C.he sailed northward from Marseilles in France in search of the source of amber. When he reached Britain, heheard of an archipelagofurther north known as “Thule”.The name was apparently Celtic;the archipelago what are now known as the Shetland Isles. AfterPytheas’ time, the ancientscalled Scandinavia “Thule”. In poetry,it became“Ultima Thule”, i.e. “farthest Thule”, a distantnorthern place, geo- ‘ graphically undefined and shrouded in esoteric mystery. As the frontiers of man’s exploration gradually expanded, the legendary Ultima Thule acquired a more northerly location. It moved with the Vikings from the Faroe Islands to Iceland, and, when Iceland was colonized in the ninth century A.D., Greenland became “Thule” in folklore. THULESTATION Perhap Knud Rasmussen had these historical facts in mind when he founded a trading post in 1910 among the Polar Eskimos and called the store “Thule Station”. The committee managing Rasmussen’s station was, incidentally, always referred to as the Cape York Committee, and the official name of the station was “Cape York Station, Thule”. Behind the pyramid-shaped base of the rock called Mount Dundas by British explorers, but generally known as Thule Mountain, on North Star Bay, the best natural harbour in the area, the Polar Eskimos hadplaced their settlement, Umanaq (meaning heart-shaped). -
CMLC Newsletter Feb 2020
1 FEBRUARY 2020 EDITION No Stone Unturned silver platinum WHAT DO ALL OF THESE gold Native iron WELL KNOWN METALS They are all “native palladium metals” that is metal ele- HAVE IN ments that have not bonded with other elements. COMMON? In the next two editions of “No Stone Unturned”, each of these, along with other native elements will be examined. 2 WE WISH TO THANK THE FEDERAL MEMBER CONTACT INFORMATION: FOR LEICHHARDT, HON. WARREN ENTSCH, Phone: 0450 185 250 FOR FACILITATING THE PRINTING OF THIS Email: [email protected] MAGAZINE. Postal Address: PO Box 389, Westcourt. 4870. NQ 129 Mulgrave Road (in the Youth Centre Grounds) CLUB HOURS: MANAGEMENT COMMITTEE MEMBERS: Monday 4:00pm to 9:30 pm President: Michael Hardcastle Vice-president: Mike Rashleigh Wednesday *8:30am to 12:30 Secretary: Jan Hannam *1:00pm to 4:00pm Treasurer: Joe Venables Saturday *9:00am to 1:00 Assistant Secretary: Allan Rose Assistant Treasurer: Richie Williams *12:00pm to 4:00pm Extra Members MC: Tammi Saal Workroom fees are $4 per session or part OTHER PERSONNEL: thereof and must be paid before session begins. Purchasing Officer: Jan Saal Specimen Curator: David Croft The Club provides tuition in cabbing, faceting, Specimen Testers: David Croft, Vic Lahtinen, silver-smithing and lost wax casting Trevor Hannam GENERAL MEETINGS: Cabochon Advisors: Jodi Sawyer Faceting Instructors: Jim Lidstone, Joe Ferk, General meetings are held on the 1st Saturday of Trevor Hannam each month. When this is a public holiday, the Silver Instructors: Sylvia Rose, Jan Saal meeting is deferred until the following Saturday. Machinery Curators: volunteers needed Note: Your Attendance at General Meetings Gem Testing: Vic Lahtinen, Trevor Hannam ensures that your voice will be heard when it comes Librarian: David Croft to making decisions concerning the running of the Facebook Admin: Tammi Saal, Peggy Walker club. -
BUCHWALD, Vagn Fabritius, 2001, Ancient Iron and Slags in Greenland, Meddelelser Om Grønland: Man & Society, 26, 92 Pages
Document generated on 09/27/2021 3:36 a.m. Études/Inuit/Studies BUCHWALD, Vagn Fabritius, 2001, Ancient Iron and Slags in Greenland, Meddelelser om Grønland: Man & Society, 26, 92 pages. Illustrated. Lynda Gullason Architecture paléoesquimaude Palaeoeskimo Architecture Volume 27, Number 1-2, 2003 URI: https://id.erudit.org/iderudit/010816ar DOI: https://doi.org/10.7202/010816ar See table of contents Publisher(s) Association Inuksiutiit Katimajiit Inc. ISSN 0701-1008 (print) 1708-5268 (digital) Explore this journal Cite this review Gullason, L. (2003). Review of [BUCHWALD, Vagn Fabritius, 2001, Ancient Iron and Slags in Greenland, Meddelelser om Grønland: Man & Society, 26, 92 pages. Illustrated.] Études/Inuit/Studies, 27(1-2), 517–521. https://doi.org/10.7202/010816ar Tous droits réservés © La revue Études/Inuit/Studies, 2003 This document is protected by copyright law. Use of the services of Érudit (including reproduction) is subject to its terms and conditions, which can be viewed online. https://apropos.erudit.org/en/users/policy-on-use/ This article is disseminated and preserved by Érudit. Érudit is a non-profit inter-university consortium of the Université de Montréal, Université Laval, and the Université du Québec à Montréal. Its mission is to promote and disseminate research. https://www.erudit.org/en/ industrial nations with new territories and indigenous populations." Those with an interest in colonial history will find this book useful for there are obvious underlying similarities to the events in the north that can be readily compared with Mead's, Said's and other scholars' exotic warm locals. Analytical comparisons of centre and periphery, indigenous peoples and Europeans, gender and the production of knowledge are just a sample of the themes that are developed in this compilation. -
Two Iron Technology Diffusion Routes in Eastern Europe
328 Archeologické rozhledy LXX–2018 328–334 Two iron technology diffusion routes in Eastern Europe Dvě trasy šíření znalosti zpracování železa ve východní Evropě Vladimir I. Zavyalov – Nataliya N. Terekhova Archaeometallographic data suggest that there were two technological models in Eastern Europe as early as the Bronze Age–Early Iron Age transition period (9th–7th centuries BC). We link their development to two routes via which knowledge of use of ferrous metals diffused from Anatolia. The first route reached the North Caucasus, the second route passed through Greece and the Balkans to Central and Eastern Europe. archaeometallography – Eastern Europe – ferrous metals – transition period Archeometalografická data naznačují, že již v přechodu mezi dobou bronzovou a ranou dobou železnou (9.–7. stol. př. n. l.) existovaly ve východní Evropě dva technologické modely zpracování železa. Jejich rozvoj spojujeme se dvěma trasami, kterými se znalosti užívání železných kovů z Anatolie rozšířily. První trasa překročila Zakavkazsko, druhá trasa vedla přes Řecko a Balkán do střední a východní Evropy. archeometallografie – východní Evropa – železné kovy – přechodné období The issue of emergence and spread of ferrous metallurgy is still relevant despite the fact that it has been on the research agenda for quite a long time. L. Morgan (1935, 28) argued that ‘The production of iron was the event of events in human experience, without a par- allel, and without an equal, besides which all other inventions and discoveries were in- considerable, or at least subordinate’. Most researchers tend to believe that telluric iron production originated in Anatolia. The region had all basic preconditions, such as focused and systematic search of ore min- erals; understanding properties of minerals which could be turned to metal; pyrotechno- logical structures; use of artificial blowing to achieve high temperatures (when smelting); charring of wood (Waldbaum 1978, 23). -
Elucidating Pathfinding Elements from the Kubi Gold Mine in Ghana
minerals Article Elucidating Pathfinding Elements from the Kubi Gold Mine in Ghana Gabriel K. Nzulu 1,2,* , Babak Bakhit 1 , Hans Högberg 1 , Lars Hultman 1 and Martin Magnuson 1 1 Department of Physics, Chemistry and Biology (IFM), Linköping University, SE-58183 Linköping, Sweden; [email protected] (B.B.); [email protected] (H.H.); [email protected] (L.H.); [email protected] (M.M.) 2 Gold Corporation, No. 1, Yapei Link, Airport Residential Area, P.O. Box 9311, Accra 00233, Ghana * Correspondence: [email protected] Abstract: X-ray photoelectron spectroscopy (XPS) and energy dispersive X-ray spectroscopy (EDX) are applied to investigate the properties of fine-grained concentrates on artisanal, small-scale gold mining samples from the Kubi Gold Project of the Asante Gold Corporation near Dunwka-on-Offin in the Central Region of Ghana. Both techniques show that the Au-containing residual sediments are dominated by the host elements Fe, Ag, Al, N, O, Si, Hg, and Ti that either form alloys with gold or with inherent elements in the sediments. For comparison, a bulk nugget sample mainly consisting of Au forms an electrum, i.e., a solid solution with Ag. Untreated (impure) sediments, fine-grained Au concentrate, coarse-grained Au concentrate, and processed ore (Au bulk/nugget) samples were found to contain clusters of O, C, N, and Ag, with Au concentrations significantly lower than that of the related elements. This finding can be attributed to primary geochemical dispersion, which evolved from the crystallization of magma and hydrothermal liquids as well as the migration of metasomatic elements and the rapid rate of chemical weathering of lateralization in Citation: Nzulu, G.K.; Bakhit, B.; Högberg, H.; Hultman, L.; Magnuson, secondary processes.