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| carbonate spars free from cobaltiferous ores, especially an 8-meter (25-ft.) vein at the diorite contact, worked...mica. The iron deposits of Dobschau still yield an annual production of about 35,000 tons, but the cobalt...' This Kupferschiefer is cases. lean in this district, carrying only 1.4% of copper, and no silver,...fissures known as 'rucken' in the Mansfeld copper district also contain occasional nickelite, together with... known examples of this type is the cobalt district of Schneeberg, in Saxony, a mountainous region |
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| Karl-Franzens-Universitat HeinrichstraBe 26 A-8010Graz Austria ISBN-13 :978-3-642-84642-7 DOl: 10.1007/978-3-642-84640-3...The Alps are an arched mountain chain stretching 1500 km between Vienna and Graz in Austria and Genova...be used by specialists, but that it may serve as an introduction to one aspect of the complex and fascinating...and the patient work of the reviewers has made such an enterprise possible. Our warmest thanks go, therefore... University) who agreed to collaborate as an author at an early stage. Besides the reviews presented |
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| MINING JOURNAL TRANSLATOR'S PREFACE. In presenting an English edition of Professor Beck's 'Lehre von den...the publishers to practically rewrite the book from an American standpoint, giving greater . prominence...AUFLAGE Als die Vortrage iiber Lagerstattenlehre an der Kb'niglichen Bergakademie zu Freiberg mir iibertragen...Lehrbuch in deutscher Sprache Hieraus entsprang der Plan, selbst jene Liicke auszufiillen, vermissen...nnd von neuem durchgeseliene Lagerptattensammlung der Bergakademie eine vortreffliche Werk aufgebaut |
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| Iron-Ore Deposits of the Iron Mountain District, Washington County, Idaho By J. HOOVER MACKIN A CONTRIBUTION...A description of the iron-ore reserves of the district UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON...deposits__________________________________________ 136 Red-hematite deposits____-____________--__-__--_-_---___ 136...Abundance red-hematite deposit_______________________________ 146 Montana magnetite and red-hematite deposi...pocket] PLATE 13. Geologic map of the Iron Mountain district, Washington County, Idaho. 14. Geologic and magnetic |
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| MOUNTAIN DISTRICT Washington County, Idaho and IRON ORE DEPOSITS IN THE CLEARWATER DISTRICT Idaho County...1947 IRON ORE DEPOSITS OF THE IRON MOUNTAIN DISTRICT, Washington County, IDAHO CONTENTS Page Summary.....*.. 5 Magnetite and specular hematite ores* ......« 6 Red hematite* .... .... . . 6 Sulphide deposits...Tonnage Estimates ^ , *10 The Standard Specular Hematite Deposit* ». «. 10 Geology ......,.*. « 10 Description.... - 15 Summary of Tonnage Estimates, Standard hematite ores 16 The Mortimer Magnetite Deposit* 16 Geology |
 | Amstutz, G. C., Goresy, A. El, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis. Springer Berlin, Heidelberg. doi:10.1007/978-3-642-68344-2 | Book |
| Zimmermann Mineralogisch-Petrographisches Institut der Universitat Heidelberg 1m Neuenheimer Feld 236, 6900...professional colleagues, friends, and students - owe an immense measure of gratitude to him for his guidance...of fast changing methods of publishing this is not an easy task, and we hope, together with the publisher...negatively affect the overall qUality. The selection of an appropriate title for a book of this type is not...that time (p. Ramdohr, Fortschritte auf dem Gebiet der Lagerstattenkunde, in Fortschr. d. Min., Krist., |
 | Amstutz, G. C., Goresy, A. EI, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis - The State of the Art - A Volume in Honour of Professor Paul Ramdohr on the Occasion of His 90th Birthday With Special Reference to His Main Scientific Interests - Special Publication of the Society for Geology Applied to Mineral Deposits No. 2. Springer Berlin Heidelberg. | Book |
| Zimmermann Mineralogisch-Petrographisches Institut der Universitat Heidelberg 1m Neuenheimer Feld 236, 6900...professional colleagues, friends, and students - owe an immense measure of gratitude to him for his guidance...of fast changing methods of publishing this is not an easy task, and we hope, together with the publisher...negatively affect the overall qUality. The selection of an appropriate title for a book of this type is not...that time (p. Ramdohr, Fortschritte auf dem Gebiet der Lagerstattenkunde, in Fortschr. d. Min., Krist., |
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| ........... 863 by V M. F. Hammer Postscript: Hematite and rutile from Mount Cervandone, Val Devero,...described 243 species.) Sinkankas's Gemstones of North America went into even more detail, but only for...species having gem value, and only those found in North America. Mineral collectors who can still remember...the Mineralogical Record was finally able to hire an assistant editor, Tom Moore. Tom had already been...and editing of new articles. Collecting history is an The Mineralogical Record, volume 46, November-December |
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| MANGANESE MINERALIZATION IN THE ULTEVIS DISTRICT, JOKKMOKK, NORTH SWEDEN PART I: GEOLOGY BY OLOF H. ÖDMAN...MANGANESE MINERALIZATION IN THE ULTEVIS DISTRICT, JOKKMOKK, NORTH SWEDEN PART I: GEOLOGY OLOF H. ÖDMAN...................... 7 Geologic Setting of the District........................................................................................... 33 Hematite Mineralization..................................Ultevis. Many of the problems encountered in the district were concerned with Qua ternary geology, glacial |
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| __________________________________________ _ Rocks of the district ______________________________________________..._______________________________________________ _ Quartz-hematite-thorite veins ___________________________ - __...Chance adits on Lemhi River_______________ Quartz-hematite veins__________________________________________...veins in these rocks are known to contain thorite as an important constituent. Tertiary volcanic rocks that...Pass area ; two major systems bound the district on the north and west. Quartz veins in the area are grouped |
 | | Journal (article/letter/editorial) |
| and/or substantial quartz replacement of barite. An intermediate- to low-latitude, southerly magnetization... and a radiometric date (Re-Os on pyrite) yields an age of 338 Ma. Since characteristic remanent magnetization...interpreted by assuming that northern Alaska was part of an accreted terrane that was translated northward by...into its current location relative to the rest of North America and then rotated counterclockwise by 50°...lewchukm@casady.org *Present address: Casady School, 9500 North Pennsylvania Avenue, Oklahoma City, Oklahoma 73120 |
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| Alfredo Petrov alfredopetrov@earthlink.net Sitting on an immaculate white beach, looking out over coral reefs...if I'm bitten up on a mountain? No, you have only an hour before death; try to get bitten closer to the...(Continued from page 1) In those days, Julie was an associate editor (for photomicrography) for Mineralogical...for me to obtain my first professional microscope. an Olympus stereo-zoom model that I still use in my...part of my lectures at local mineral clubs. He had an inquisitive mind, and he often peppered his guests |
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| series of Huronian sedimentary rocks, separated by an unconformity which is characterized by a conglomerate...at Little Lake resulted in the identification of an unconformity which, in connection with other data...the Upper Huronian as developed in the Marquette district and the arkose and arkose conglomerate at the...Unconformity Unconformity Unconformity and slate District, quartz identified ferruginous TABLES LITTLE (Goodrich)... member near CORRELATION 1911. SYNCLINORIUM District, or slate. arkose slate layers quartzite bearing |
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| -_------------Composition of the ore bodies Microtexture of the hematite.. Origin of the ore__------_--_Soft itabirite__-______-___-__-__...Rubble ore and rolados- _ -----------High-grade hematite ore_ _______-__--_..-___-TaquariL _ _________...__-----__--_-____---__Summary of Aguas Claras hematite deposits ___-___--------_---__----.-_ Fazenda...--_--------------------Rhombohedral blocks of hematite from the Gandarela formation.________________..._________________-__--_----_----------------_ Hematite concretions. _-__---__-____--____________-___ |
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| one sense it comprises the so-called Rockwood district and may be considered to extend as far southward...under present conditions. Beds dipping uniformly at an angle of 25° would reach a depth of 1,000 feet at...in the region. ~ In the following pages is given an outline of the main facts on which are based the...Appalachians, ROCKWOOD DISTRICT. i LOCATION AND EXTENT. The Rockwood district lies in the Tennessee River...near Welker post-office. Geologic maps of the district are contained in the Kingston folio (No. 4) of |
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| LSUAVEY Geology of the Haddington district Nor1h Berwick LAW • Gullane - • Longniddry GARLETON...TELEPEN 6 10 082434 8 Geology of the Haddington district 'fhe cl ist net described in this memoir includes...part of the East Lothian roast from Cockcnzic to North Berw ick and extends southwards across the gently...south-w('st part of the Lan1mermuir H ills. The district is covered bv Sheet 33W and part of Sheet 4 1...chapter outli nes the physical features of the district and the geological history. The Lower Palaeozoic |
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| come. Sufficient funds were not available to make an extensive search for vermiculite. The deposits described...----------------------------------'Pyrite and hematite...·------------------------------------------...---------------···---------------------------·-North Carolina.. -------------------------·--········...16 Massive kyanite from Gumlog, about 7 miles north of Blairsville. Showing the cleavages of kyanite...of kyanite and vermiculite in north Georgia in the summer of 1934 under an allotment of Public Works funds |
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| topographic map of the Punitaqui quicksilver Page district, Coquimbo, Chile___________--____--_________ In...when the large mine at Punitaqui started producing an average of 2,000 flasks annually for export. The...kilometers long, extending from Copiap<3 to Illapel, in north-central Chile. They are with few exceptions in the...in the order of deposition: calcite, specular hematite, magnetite, barite, quartz, pyrite, chalcopyrite...at the north end is Copiapo, and at the south end is Illapel, about 200 kilometers airline north of Santiago |
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| Hruby (Czech Republic), E. Kirchner (Austria), B. Kirchner (Austria), J. KomÃnek (Czech Republic), I. Bojkov...prepared most figures of the manuscript. Preface An important prerequisite to the long-term use of nuclear...Hence the basic purpose of this book is to present an overview of uranium geology and data characteristic...Uranium Deposits of the World – Asia (Dahlkamp 2009). An additional goal is to provide access for the interested...original concept of this work, which was to provide an encyclopedia of uranium deposits of the world in |
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| ROCKS and MINERALS Edited an• Published by PETER ZODAC MAY 1939 PUBLISHED MONTHLY Contents for May............................................... 144 AN ODD 1ilNERAL ......................................that huge dome-shaped mass of granite which rises to an elevation of 686 feet above the surrounding lowland...AND MINERALS Graves Mo11nlain, Ga., view looking north-northwest. the presence of lazulite, pyrophyllite...sized pits, or trenches, had been made on the north slope in search of specimen material. Kunz' reported |
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| Page Metamorphism ...»..».**. ....»........ District setting ..*.,............... Limitations to...mapping, and a compilation of all available basic data. An essential part of the program is that much information...course of the present study the geology in this district is being clarified by making use of recently published...unit problems, each of which must be resolved before an adequate appraisal of the geology of larger areas...Wisconsin Geological and Natural History Survey. An expression of thanks is due to C. E, Dutton, with |
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| . June 15 Nov.-Dee. is s u e ........... Aug. 15 An additional 30 days past the closing date are allowed...paid for. Affiliated with the Friends of Mineralogy, an independent, non-profit organization devoted to furthering...first in the series was volume 7, number 6 (1976), an issue which sold out immediately and now commands...photography is excellent. Nevertheless, it is but an overview, leaving plenty of room for expansion on...4-color page turned up available in that issue, and an article was on hand which had a color photo of one |
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| \-\~\\ B RAR ES^SMITHSONIANJNSTITUTI ri0N I I m an~LIBRARIES -^ « HON ' ^ 21 t/5 NVIN0SH1IWS...the preparation of this report would have been an impossibility. JOHN Department of Mineralogy and...The Carbonate Ores of the Hudson River Mines Hematite Ores of Jefferson and plain — : INTRODUCTION...Chemical Groups. f Red Hematite. Specular Ore. f I Anhydrous Ferric Oxide. Hematite { Sesquioxide of Iron...Proto-sesquioxide of Iron. ^Titaniferous Iron Ore. Brown Hematite. Brown Ochres. ^ Bog Iron Ore. f Hydrated Ferric |
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| County . . . . . . . . . . . . · .23 Iron Springs district deposits . . . . . . . . . . . . . . . 23 Location...Cricket Mountains . Pavant Range deposits . . . North Fork prospect .. Widemouth Canyon prospect Twin... . . . . 31 9. Size and shape of Iron Springs district intrusions, from outcroppings and geophysical...porphyry, Iron Mountain. . 40 13. Iron-Springs district iron occurrences, Iron County . . . . . . . ....Washington County iron occurrences .84 30 Bull Valley district iron occurrences, Washington County . . . . . |
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| Pago (A) Manganese carbonate in the Batesville district, Arkansas, by Hugh D. Miser, with a chapter on...ILLUSTRATIONS Pago PLATE 1. Geologic map of Batesville district, Arkansas. In pocket 2. Polished surface of gray...western margin of Big Horn Basin ____ _ 20. A, North end of Pitchfork anticline' as viewed in cross section;...Sunshine anticline ____ ___ 21. A, View looking north across Greybull River to Fourbear anticline ; B...Arkansas showing location of Batesville manganese-ore district ___ __ __ __ _ _ ____ 2. Generalized sections |
