 | | Journal (article/letter/editorial) | | deposits: constraints from the Broken Hills deposit, Hauraki Goldfield, New Zealand Helen A. Cocker & Jeffrey...# Springer-Verlag 2012 Abstract The 7.1 Ma Broken Hills adularia-sericite Au–Ag deposit is currently...epithermal deposit in the Hauraki Goldfield of New Zealand. The opaque minerals include pyrite, electrum...the Hauraki Goldfield and elsewhere worldwide. Broken Hills ores also contain the less common minerals aguilarite...petrovskaite occur with high-fineness electrum. Broken Hills is the only deposit in the Hauraki Goldfield |  | Christie, A. B., Simpson, M. P., Brathwaite, R. L., Mauk, J. L., Simmons, S. F. (2007) Epithermal Au-Ag and Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand. Economic Geology, 102 (5) 785-816 doi:10.2113/gsecongeo.102.5.785 | Journal (article/letter/editorial) | | Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand ANTHONY B. CHRISTIE,†GNS Science...Science, P.O. Box 30-368, Lower Hutt 5040, New Zealand MARK P. SIMPSON, School of Geography, Geology and...1142, New Zealand ROBERT L. BRATHWAITE, GNS Science, P.O. Box 30-368, Lower Hutt, New Zealand JEFFREY...92019, Auckland Mail Centre, Auckland 1142, New Zealand Abstract Epithermal Au-Ag vein deposits of the...the Hauraki goldfield in the Coromandel volcanic zone, New Zealand, produced 320,000 kg Au and 1.5 million |  | | Report (issue) | | NEW ZEALAND DEPARTMENT OF SCIENTIFIC AND INDUSTRIAL RESEARCH NEW ZEALAND GEOLOGICAL SURVEY 125th ANNIVERSARY...1865 -1990 NEW ZEALAND GEOLOGICAL SURVEY BULLETIN 104 ISSN 0077-9628 Minerals of New Zealand by G. L....initials should be G.T., not G.L. Lower Hutt, New Zealand 1990 I I Beach sand, alluvium, • terrace...Figure 1. Simplified geological sketch-map of New Zealand. 0 20 40 60 80 100 KM l INTRODUCTION It...Morgan's "Minerals and Mineral Substances of New Zealand" was published, as NZ. Geological Survey bulletin |  | | Journal (article/letter/editorial) | | Epithermal Province: The Hauraki Goldfield, New Zealand* JEFFREY L. MAUK,1,†CHRIS M. HALL,2 JOHN T....92019, Auckland Mail Centre, Auckland 1142, New Zealand 2 Department of Geological Sciences, University...85721 Abstract The Hauraki goldfield in the Coromandel volcanic zone contains approximately 50 adularia-sericite...the likely age of mineralization in the nearby Thames epithermal deposits. In the eastern province, adularia...40Ar/39Ar age of 8.29 ± 0.25 Ma, adularia from the Broken Hills deposit gives a preferred 40Ar/39Ar age of 7 |  | | Journal (issue) | | ..... 337 by D. J. Mossman The Colorado Quartz mine, Mariposa County, California: a modem source of....................................... 322 What’s new in minerals? (by D. Leicht) .......................Show, and what better way to spend it than making new friends and playing tennis with your min eralogical...she and Brooks became part owners of the Old Yuma mine nearby. After a few years her strong love of minerals...ventures in Mex ico (particularly the San Francisco mine in Sonora). Many extraor dinary specimens passed |  | | Journal (article/letter/editorial) | | Tourmaline and Wollastonite from famous Broken Hills, New South Wales. Next I discover exquisite clear...Boulder Opal from Queensland, and Molybdenite from New South Wales, etc. At the bottom of the wonder parcel...Niccolite from the Island of 766 Elba, Italy, Marcasite with Strontianite, delicate Aragonite specimens...has added to our exchange. A small parcel from New Zealand, however, really caught my fancy. For it contained...Cinnabar, Rhodonite from South Island, N. Z. Jasper, Thames Coast, Geyserite containing petrified reeds and |  | | Book | | decade, however, the need has been growing for a new, comprehensive index. Because the 14-year index suffered... Consequently, it was our decision to prepare a new index which is cumulative back to volume 1, fully...the 14-year index, and which is organized on a new plan. Nevertheless, all readers and users of the...the last ten years, and which has inspired this new effort. The current 25-year index is divided into...appears n Brief descriptive note, as in "What's New in Minerals?" p Photograph or other illustration |  | | Journal (article/letter/editorial) | | Tourmaline and Wollastonite from famous Broken Hills, New South Wales. Next I discover exquisite clear...Boulder Opal from Queensland, and Molybdenite from New South Wales, etc. At the bottom of the wonder parcel...Niccolite from the Island of 766 Elba, Italy, Marcasite with Strontianite, delicate Aragonite specimens...has added to our exchange. A small parcel from New Zealand, however, really caught my fancy. For it contained...Cinnabar, Rhodonite from South Island, N. Z. Jasper, Thames Coast, Geyserite containing petrified reeds and |  | | Journal (article/letter/editorial) | | MINERALS WORLD NEWS ON MINERAL OCCURRENCES Items on new finds wanted. Please send them in. ALABAMA — Rose...Sylacauga, Talladega Co., Ala. ARIZONA—The old Yuma mine, famous for its wonderful specimens of vanadinite...am sending some wulfenite xls from the old Yuma mine in the Tucson Mts. These xls range anywhere from...single xls. This mine quit working about 1920 and was mainly a gold, silver, and lead mine." ARKANSAS—Billy...Creek bridge. I was unable to enter the titanium mine, so did not get any rutile. I finally was able to |  | | Book (volume) | | Mississippi rivers, and in the southern Fluorspar region. Fossil hunters are well aquatinted with the famed...these coal seams the collector may often find Marcasite and Pyrite. The measures are 1,200 to 1,400 feet... W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY...banks of Mason Cr.⎯fossils; d Coal City, on area mine dumps from sedimentary overburden⎯oval concretions...EAST BROOKLYN (SE of Gardner), area coal mine dumps⎯Marcasite, Pyrite. HANCOCK COUNTY DALLAS CITY: on |  | | Book (volume) | | Mississippi rivers, and in the southern Fluorspar region. Fossil hunters are well aquatinted with the famed...these coal seams the collector may often find Marcasite and Pyrite. The measures are 1,200 to 1,400 feet... W 6 mi. on Rte. 116 to the Rapatee No. 5 strip mine⎯pyritized gastropods (Pennsylvanian age). GRUNDY...banks of Mason Cr.⎯fossils; d Coal City, on area mine dumps from sedimentary overburden⎯oval concretions...EAST BROOKLYN (SE of Gardner), area coal mine dumps⎯Marcasite, Pyrite. HANCOCK COUNTY DALLAS CITY: on |  | | Journal (article/letter/editorial) | | particularly IS epithermal orebodies in any particular district, irrespective of whether or not paleosurface features...geothermal system, Taupo Volcanic Zone, North Island, New Zealand (see Simmons et al. 1993) The reactive H2S-bearing...the Ladolam LS gold deposit, Lihir Island, Papua New Guinea, are represented at surface by steaming ground...alteration peripheral to the La Coipa HS-IS gold-silver district, Chile. f Hydrothermal breccia, generated by shallow-seated...Chile; Matsuo, Honshu, Japan; White Island, New Zealand) and still mined in artisanal fashion at Kawah |  | | Journal (article/letter/editorial) | | and prospect pits is great, with many minerals new to the state being identified every year. Nevada...photo. Churchill County Chalk Mountain District Chalk Mountain mine: calcite, cerussite, chlorargyrite,...scheelite, vanadinite, wulfenite Corral Canyon District Various mines and prospects: anatase, rutile,...(top). Clinotyrolite spray, 3.4 mm across, Lovelock mine, Churchill County. Figure 2 (bottom). Wulfenite... Hot Springs Iron meteorite Lake (Mopung Hills) District Various mines and prospects: mopungite,* romeite |  | | Report (issue) | | Olivenite, 1.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection.... Davis The Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper 91 References ...COLOR PLATES (following page 242) Gold, Mexican Mine Gold, Majuba Placer Pyromorphite after Galena with...Round Mountain Mine Quartz, Lovelock area Acanthite Grossular, Nightingale district Quartz epimorph...after Calcite Agardite Grossular, Buena Vista district Quartz (amethyst) and Calcite Almandine-Spessartine |  | | Report (issue) | | white areas). Sample is from the Buckskin National Mine, Humboldt County, Nevada. Photograph by Peter Vikre...............................................Q26 Mine Waste Characteristics.............................showing selenium concentrations in coal samples, by region of the United States.............................earth may lead to new (or unconventional) sources of selenium, the discovery of new methods of extraction...extraction, and new technologies for minimizing the transfer of selenium from rock to biota, so to protect |  | | Book | | Rock Collecting HARPER & ROW, PUBLISHERS ....... New York, Evanston, San Francisco, London 1817 Portions...Harper & Row, Publishers, Inc., 10 East 53rd Street, New York, N.Y. 10022. Published simultaneously in Canada...Reading the Geologic Map; Geologic Maps as Guides to New Fields; Other Maps Useful to Gem and Mineral Hunters...Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota...the Old Stone Age) and Homo sapiens (men of the New Stone Age, our direct ancestors, the Cro-Magnon) |  | | Book (volume) | | fields in the state, insomuch as both the Black Hills of South Dakota and the scenic Badlands thrust long...this part of the state. In this rough, uncurried region are found the famed Fairburn agates, brilliantly...for gemstone materials. An extensive collecting region of agatized and opalized wood for high gem quality...rock hunter’s visit. Draws, cuts and breaks in the hills along the Minnechaduza Creek and the Niobrara, as...geodes, chert nodules, fossils, Calcite crystals, Marcasite and Pyrite cubes. The area around the confluence |  | Van Alstine, R. E., Worl, R.G., Heyl, A.V., Trace, R.D., Parker, R.L., Griffitts, W.R., Sainsbury, C.L., Cathcart, J.B. (1976) Geology and resources of fluorine in the United States. Professional Paper 933. US Geological Survey doi:10.3133/pp933 | Report (issue) | | 1. 2. 3. 4. 5. A sbestos ore Lead ore, Balmat mine, N . Y. Chromite-chromium ore, Washington Zinc ore...not yet discovered or not currently profitable to mine. The mining of mineral deposits, once they are discovered...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.............................................. Broken Hills............................................ | | | Report (issue) | | Oliven i te, r.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn coJlection....A. Vavis The Goodsprings (Yellow Pine) Mining District, Clark County John C. Kepper MINERAL CATALOG...Hen1in1orphite Azurile Barite, N1eikJe Mine Barite, '\forthun1berland Mine Bante, Rosebud t1ine Barile v;ith...inclusions Bolt½'OOdite Calcite, Meikle Mine Calcite, Getchell Mine Callaghanite Cassiterite and Hema tile...Martha Mine Gold, Humboldt Mountain Gold, Mexican Mine Gold, Majuba Placer Gold, Round Mountain Mine Grossular |  | | Book | | Jay Ellis Ransom )' HARPER & ROW, PUBLISHERS New York, Evanston, and London A RANGE GUIDE TO MINES... Publishers, Incorporated, 49 East 33rd Street, New York 16, N. Y. * FIRST EDITION LIBRARY OF CONGRESS...61 232 PART The Making 43 II 5 7 3 III Mine PART 267 IV Glossary 279 Bibliography 291...camp hangers-on, and businessmen swarmed to the new “diggings.” Almost overnight tent-camps mushroomed...minerals which make lovely cabinet specimens. old mine western states, to kick up and oxidation, |  | | Book | | appointments at the Astrobiology Centre, University of New South Wales, Sydney, and the China University of...in Europe, southern Africa, South East Asia, New Zealand, the southwest Pacific, China, Greenland and... Contents 4.6.5 Candelaria, Punta Del Cobre District, Chilean Coastal Belt. . . . . . . . . . . . ...2 Ladolam Epithermal System, Lihir Island, Papua New Guinea . . . . . . . . . . . . . . . . . . . . ..... . . . 5.3.3 Hauraki Goldfield, Coromandel Peninsula, New Zealand 5.3.4 The Epithermal Systems of the |  | | Journal (article/letter/editorial) | | com/locate/oregeorev Invited Review Article A classification of Broken Hill-type deposits: A critical review Paul G. Spry... Keywords: Broken Hill Pb-Zn-Ag deposit Broken Hill-type deposits Classification Broken Hill Hill-type...and highest grade ore deposits in the world. The Broken Hill deposit, Australia, is the largest accumulation...because the type example of this class of deposit (Broken Hill) is not hosted in marble or calc-silicate... Isa Inler) are considered to be BHT deposits (Broken Hill, Cannington, Mount Misery (Chloe and Jackson) |  | | Report (issue) | | ............................ Types of potential new deposits...........................................totals, as shown in Table 1. The Cornstock Lode district in Storey and Lyon Counties is by far the largest...Cu) and Yerington (Cu, Ag, Au) In Lyon County; Broken Hills (Ag, Pb, Cu, Au, Zn), Nevada Scheelite (W, Pb...completeness in describing known deposits of the region. The data in Table 1 are accurate inasmuch as most...production from the Broken Hills district are not currently available, though the district is identified as |  | | Report (issue) | | States • • • ••• Australia • • • ••• • •• •• • New Zealand ••• ••• 0 • . •• • •• • .... • •• ••• ••...California, and the west coast of the South Island of New Ze.a land. 1 ' r 7 • • The auriferous conglomerates...Hanson, Eng. Min. Journ., New Ybrk, 1920, 109, 194. The Mineral Industry, New York, 1919, 28, 295- 309...309, and 747- 794. Chem. and Met. Eng., New York, 1920, 22, 3-4. :it • 9 • remark, however, considerable...practically determined by the dollar excha.n ge rate in New York, • * Refining Gold Bullion with Chlorine Gas |  | | Book (edition) | | completely revised and updated with a wealth of new information and features. The second edition of the...alphabetical entries, 1000 of which are entirely new e 240 new color photographs, mostly of large specimens...specimens, as well as 104 black-and-white photographs 45 new crystal drawings of rare species the most complete...distinguished group of authors in the light of new research and important new technological developments. The second...Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico; |
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