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| GEOLOGICAL SURVEY Occurrence of platinum in a black sand from a beach deposit in San Mateo County, California...California 1991 Occurrence of platinum in a black sand from a beach deposit in San Mateo County, California...identify and describe platinum grains found for the first time in a black-sand beach deposit near Green Oaks...1977; Clark, 1981). Although hints of platinum occurrences in beach sands of San Mateo County exist in the...County" as containing a trace of both gold and platinum. The only previous reference to a possible locality |
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| Economic Geology of the Platinum Metals By JOHN B. MERTlE, ]R. GEOLOGICAL SURVEY PROFESSIONAL PAPER...PAPER 630 A summary report on the geology of the platinum deposits of the world, with a discussion of the...the chemistry and mineralogy of the platinum group of metals and a comprehensive bibliography UNITED...production _____________________________ -----Platinum metals _____________________________ ----- __...alloys of platinum metals ____________ _ Chemical compounds of platinum metals ______ _ Platinum deposits |
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| C. MENDENHALL, Director CIRCULAR 8 ____Q___ BEACH PLACERS OF THE OREGON COAST BY J. T. PARDEE WASHINGTON...SURVEY W. C. MENDENHALL, Director CIRCULAR 8 0 BEACH PLACERS OF THE OREGON COAST BY J. T. PARDEE WASHINGTON..._,* _ i P*7( ^ Present "beach ~_~~----,_~-----~---~27 Ancient "beach and offshore beds -~~-^-,~~---28...of the gold ------------------30 Source of the platinum ~~~~.~~~-r-r.~T----" 33 Tenor and extent of remaining...~~---~-~34 Samples and assays ~-,~~--~~-~~--~~34 Present beach -~--~~~-~~-~r-----~35 Ancient beaches and offshore |
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| TOE INTERIOR GEOLOGICAL SURVEY ILMENITE-BEARING BEACH SANDS NEAR LITUYA BAT, ALASKA By Darwin L. Rossmau...2. Magnetite-ilmenite content of samples from beach deposits between Pajjna Bay and Dry Bay........... ILMENITE-BEARING BEACH SAOT36 HEAR UTUYA BAY, ALASKA By Darwin L, Rossman INTRODUCTION The beach deposits that...of Cape Fairweather (see map). Most of these beach deposits contain concentrations of heavy minerals...including ilmenite, and in places some gold and platinum, in their upper part. Since 189^ the deposits |
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| depleted, new deposits are found, new extractive technology and uses are developed, and new geologic knowledge...knowledge and theories indicate new areas favorable for exploration. This professional paper discusses...metamorphic rocks from northwestern ~dirondacks, New York -------------7. Between rutile and biotite in... Material called ilmenite in the literature on beach-sand mining can contain more than 60 percent Ti02...metamorphic rocks from northweste1·n Adi1·ondacks, New York, calculated from Engel and Engel (1958, .1960 |
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| GEOLOGICAL SURVEY OF NLW SOUTH WALES. i ii MINERAL RESOURCES \t;\v south walks. » EDWARD Oo\ F...lis ; NEW SOUTH WALES. GEOLOGICAL SURVEY OF THE MINERAL RESOURCES OF NEW SOUTH WALES. BY EDWARD...and Metallurgy ; Government Geologist of New South Wales Lecturer in Mining at the Sydney University...official my notes South Wales. that was possible, within the limits of such a all ; New number of separate...GEOLOGICAL SURVEYOR IN CHARGE. INTRODUCTORY. When Australia was being colonised the pastoral industry "was |
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| This site is the segment of the Gulf of Alaska beach placer system that exists on the Yakutat quadrangle...are the approximate center of the beach in the quadrangle. The beach extends from 141. 0 longitude and...Yakutat, the beach placer is interrupted by Yakutat Bay, about 18 miles wide at its mouth. Beach placers occur...Khantaak Island (YA003) and on the west facing Logan Beach (YA004) near the head of Yakutat Bay. The Yakutat...Blacksand (YA008), also Blacksand Island (YA009) beach placers, all of which have been described separately |
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| The absence of dolerite boulders from the beach-deposit can be explained by the scarcity of the dolerite...gold in Australia: history and present condition of gold-mining in Australian States. South African goldfields:...Canada, British Guiana, New Zealand, etc. III. Friday, November 16. SILVER, PLATINUM.—Sources of silver and...Australasian silver-mines, especially Broken Hill. Platinum deposits of British Columbia. IV. Tuesday, November...of the Australian States. Iron-ore deposits of South Africa. V. Thursday, November 22. COAL.—Origin of |
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| ............ South Slough region .................................... Explored deposit ................terrace ...... Section 33 deposit ............................. Section 4 deposit ................................................. Terrace area east and south of Bandon .................. Explored depos it ...Page Mining areas Continued Terrace area east and south of Bandon Continued Other occurrences ...................................... Prospect 2,000 feet south of the Iowa mine ..... NWÂŁ sec. 9, T. 29 S., R. |
 | Henley, H. F., Brown, R. E., Brownlow, J. W., Barnes, R. G., Stroud, W. J. (2001) Grafton-Maclean Metallogenic Map (SH/56-6, SH/56-7) Metallogenic Study and Mineral Deposit Data Sheets. Geological Survey of New South Wales | Report (issue) |
| Metallogenic Study and Mineral Deposit Data Sheets GRAFTON–MACLEAN 1:250 000 METALLOGENIC MAP SH/56-6...N. CRAMSIE, DIRECTOR GEOLOGICAL SURVEY OF NEW SOUTH WALES i Original typing: Review: Cartography: Cover...from the coast south of Evans Head (see Photograph 12). Insets are: cut blue and gold New England sapphires...Metallogenic Study and Mineral Deposit Data Sheets. Geological Survey of New South Wales, Sydney, xii + 292 pp...pp, with CD-ROM. Edited by: R.A. Facer © New South Wales Department of Mineral Resources 2001. Short quotations |
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| Africa North and Central America South America Europe Asia Oceania (iii) Beach Deposits of Continental Margins...and Related Deposits (iii) Chromium, Nickel and Platinum Group Metal Deposits from Sources in Ocean Basins...for Marine Mineral Deposits Locating a Deposit Assessing a Deposit Mineral Resources of the Continental...(Tin, Sn) Placers of Diamond Placers of Gold and Platinum Placers of Ilmenite, Rutile and Zircon Placers...with the understanding of the implications of the new discoveries. An important step towards realization |
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| British mining companies took him to the Far East, South and East Africa, North America, and most of the...be as harmful as that of free silica. This gave a new impetus to the study of the aetiology of silicosis...Inc., 3300 Clipper Mill Road, Baltimore 11, Md AUSTRALIA: Penguin Books Pty Ltd, 762 Whitehorse Road,...PHOSPHORUS PHYSICAL CHARACTERS OF MINERALS THE PLATINUM-GROUP METALS POTASH QUARTZ RARE-EARTH MINERALS...several new uses were found for minerals and for the metals many of them contain. These new industrial |
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| relative grade of a Southern Namibian diamond placer deposit L.H. Kirkpatrick, J. Jacob, A.N. Green PII: DOI:...relative grade of a Southern Namibian diamond placer deposit, Ore Geology Reviews (2019), doi: https://doi.org/10...relative grade of a Southern Namibian diamond placer deposit L.H. Kirkpatrick1,2, J. Jacob1, A.N. Green2 1Namdeb...Bag X54001, South Africa ABSTRACT The linear beaches of Mining Area 1 (MA1) on Namibia’s south-western coastline...portion of the world’s largest diamond placer deposit. These beaches have been actively mined for over |
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| 9 rhenium 186.2 osmium 190.2 iridium 192.2 platinum 195.1 gold 197.0 mercury 200.5 thallium 204...were being used by society. Today, discovery of new uses for an increasing number of elements is enabling...systems have all been possible through the use of new mineral materials. As the importance and dependence...geology and global distribution of the mineral deposit types that account for the present and possible...antimony in China; niobium in Brazil; and platinum-group elements in South Africa and Russia), thus increasing |
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| England South West England - Cornwall South West England - Devon South West England - Somerset South East...East England - Essex South East England - Kent South East England - Bedfordshire South East England - Suffolk...Isle of Man Wales South Wales - South Glamorgan South Wales - Carmarthenshire South Wales - Pembrokeshire...Mid Wales - Powys Mid Wales - Ceredigion North Wales - Gwynedd North Wales - Anglesey North Wales - Conwy...Conwy North Wales - Denbighshire North Wales - Flintshire Scotland South West Scotland - Dumfries & Galloway |
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| crew explores the Johnson River gold-polymetallic deposit near Iliamna volcano about 200 miles (320 kilometers)...kilometers) southwest of Anchorage. The deposit, which was discovered by Anaconda Minerals in 1983, contains...is developed, the deposit will be mined by underground mining methods. The deposit is part of lands owned...quartz-sulfide stockwork of the Johnson River deposit. (Photos by Chris Rockingham, Westmin Resources...Goldfields Inc. is developing the copper-gald deposit a@san underground operation with daily capacity |
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| for vessels to Bering Sea. Stepovak Bay is on the south coast of the Alaska Peninsula, about 200 miles northeast...northwest side, at Big Gap, and at lesser gaps in the south and southeast sides. The floor of the crater is...SOLFATARA. POSITION AND CHARACTER. The sulphur deposit of Makushin Volcano is situated a short distance...r LITHOLOGY. As a whole the sulphur-bearing deposit is earthy and appears to fee composed chiefly of...that usually characterizes bombs, and the earthy deposit appears to be mainly residual in origin. The residual |
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| sedimentary units of the Naknek formation. The deposit type is unknown but may be a polymetallic vein...mineralization: Deposit model: Polymetallic vein ? (Cox and Singer, 1986; model 22c). Deposit model number...younger Page 4 Alaska Resource Data File KR002 Deposit model: Porphyry Cu, porphyry Cu-Mo, polymetallic...polymetallic vein (Cox and Singer; model 17, 2 la, 22c). Deposit model number (After Cox and Singer, 1986 or Bliss...mineralization: Quaternary Deposit model: Gold placer (Cox and Singer, 1986; model 39a). Deposit model number (After |
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| Wadebridge District 53 7 Bodmin District 59 8 South Devon District 66 9 Dartmoor District 75 10...East Bodmin. 60 Map 8 Placer Gold Locations South Hams. 68 Map 9 Gold Locations Dartmoor. 77 ...vein. 11 Fig 3 Section through typical placer deposit. 12 Fig 4 Schematic section showing the geological...and interest in all aspects of the geology of the south-west of England was well known, and it was he who...stretching from north-west of Launceston through to the South Hams. 1'11 believe it when I see it. The notion |
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| the world with respect to their favorability for new deposits of atomic energy minerals with particular...TORONTO NEW YORK INC. LONDON NEW YORK D. Van Nostrand Company, Inc., 250 Fourth Avenue, New York...mankind; to the new "forty-niners" who, quick to see and take up the challenge of each new like their ancestors...the raw material for its development. R. D. N. New York, N. Y. July, 1954 VI ACKNOWLEDGMENTS In...Resources, Commonwealth of Australia; B. Dickinson and R. Sprigg, South Australia Department of Mines; H |
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| Consultant Newport News Shipbuilding and Dr_y Dock Co. Newport News, V a . Former4 with the Institute of...ELSEVIER PUBLISHING COMPANY - AMSTERDAM LONDON - NEW YORK I96j ELSEVIER PUBLISHING COMPANY 335 JAN...PUBLISHING COMPANY, INC. 52 VANDERBILT AVENUE, NEW YORK, N.Y. 10017 ELSEVIER PUBLISHING COMPANY LIMITED...Arrhenius of Scripps and Mr. W. McIlhenny of Dow Chemical Co. Dr. K. 0. Emery of the Woods Hole Oceanographic...My thanks are also due to Dr. B. C. Heezen, The New Scientist of London, the Engineering and Mining Journal |
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| THE REGION The region here considered lies in south-central Alaska, on the west side of Cook Inlet,...and Bering Sea by way of the Stony River and the South Fork of the Kuskokwim, and northward through the...it left untouched the great mountainous region south of the Skwentna. 1 Spurr, J. E., A reconnaissance...area of that part of the Alaska Kange that lies south of the Skwentna were made by G. C. Martin 3 on the...southeast and east, by Lakes Clark and Iliamna on the south, and by the KuskokwimMulchatna lowland on the west |
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| 9 rhenium 186.2 osmium 190.2 iridium 192.2 platinum 195.1 gold 197.0 mercury 200.5 thallium 204...Maxville deposit on Trail Ridge near Starke, Florida. Photograph by Andrew Romeo, The Chemours Co., used............................................. T4 Deposit Types....................................................................... T12 Exploration for New Deposits...........................................hemo-ilmenite from the magmatic Lac Tio hemo-ilmenite deposit; and titaniferous magnetite and ilmenite from the |
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| receipt of postage. Announcements v;ill be made of all new material in the Divisions "Monthly Commercial Mineral...Ailanltc Nickel Nitrates Phosphates and Phosphate ~ Platinum Pyrlte and Sulfur Quartz Quicksilver Silver Strontium...and iron. Bauxite occurs over a large area in the south of France, an important district being at Baux (originally...heated eith&r on charcoal or on the loop of a platinum v/ire. Ammonia, when added in excess to an acid...1942.) POSSIBLE 3UYERS Aluminum Ore Co., subsidiary of Aluminum Co. of America, Gulf Building, Pittsburg |
 | | Journal (article/letter/editorial) |
| The Coldwell complex platinum group element deposit: 2. Relationships of platinum group elements to pegmatitic...lists of British minerals have not included any new accounts or confirmation of these species. However...amorphous manganese oxide cement to a raised beach deposit, Luce Bay, Wigtownshire [NX 261 511]. It is... University of Auckland, Private Bag, Auckland, New Zealand. KEITH NICHOLSON |
