 | | 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 |  | | 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 |  | 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 |  | | Journal (article/letter/editorial) | | Epithermal Orebody: The Martha Hill Deposit, Waihi, New Zealand K. BERNARD SPÖRLI1,† AND HUGH CARGILL2 1 Geology...92019, Auckland 1142, New Zealand 2 28 Norwich Avenue, New Plymouth 4310, New Zealand Abstract We describe...the world-class Martha Hill goldsilver deposit, Coromandel peninsula, which is hosted in late Miocene andesitic...mostly brittle cataclasites or breccias, but some clay-rich zones displayed ductile structures. Many veins...with migration of a subduction zone past the Coromandel peninsula. This demonstrates that structural |  | | 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 |  | | Report (issue) | | Fluid-inclusion and geochemical studies at the Emperor gold mine, Fiji; Unpub. Ph.D. dissertation, University of..., 72 p. Ashley, R. P., 1974, Goldfield mining district, jLn Guidebook to the geology of four Tertiary...metals in silicified rocks of the Goldfield mining district, Nevada: U.S. Geological Survey Professional Paper...Paul, 1945, Quicksilver deposits of the Knoxville district, Napa, Yolo, and Lake Counties, California: California...1979, Geochemistry of hydrothermal ore deposits: New York, John Wiley and Sons, Inc., 798 p. 2nd ed.; |  | | Report (issue) | | 1986, Geology and development of the Hishikari mine: Mining Geology, v. 36 (2), no. 196, p. 117. Adams...Fluid-inclusion and geochemical studies at the Emperor gold mine, Fiji: Unpub. Ph.D. dissertation, University of...p. 9-24. Ashley, R. P., 1974, Goldfield mining district, in Guidebook to the geology of four Tertiary...metals in silicified rocks of the Goldfield mining district, Nevada: U.S. Geological Survey Professional Paper...Paul, 1945, Quicksilver deposits of the Knoxville district, Napa, Yolo, and Lake Counties, California: California |  | Hamilton, Ayrton, Campbell, Kathleen, Rowland, Julie, Browne, Patrick (2017) The Kohuamuri siliceous sinter as a vector for epithermal mineralisation, Coromandel Volcanic Zone, New Zealand. Mineralium Deposita, 52 (2) 181-196 doi:10.1007/s00126-016-0658-8 | Journal (article/letter/editorial) | | for epithermal mineralisation, Coromandel Volcanic Zone, New Zealand Ayrton Hamilton 1 & Kathleen Campbell...deposits formed 16.3–5.6 Ma within the Coromandel Volcanic Zone, New Zealand. The sinter is associated with rhyolite...Auckland, Private Bag 92019, Auckland 1142, New Zealand 2 Institute of Earth Sciences and Engineering...University of Auckland, Private Bag 92019, Auckland, New Zealand deposits contain the high-temperature (>75 °C)...Palaeoenvironmental reconstruction . Coromandel Volcanic Zone . New Zealand Introduction Siliceous sinters |  | | Report (issue) | | MINING DISTRICTS Shady Run (Fondaway Canyon) Broken Hills Chalk Mountain Westgate IXL (Cox Canyon) La...Mountain, Rawhide, Big Kasock, Slate Mountain, and Broken Hills 7-1/2' quadrangles. Marty is trying to establish...Sidder, and others will assist with the other data. New interpretations and reinterpretations of seismic...quadrangle. These data allow anomalies related to clay alteration or iron staining to be identified. Ground...completed the Verdi quadrangle in the Peavine district. Hal is mapping the Vista quadrangle, and Trobe |  | | Journal (article/letter/editorial) | | represented by carbonate veining and faults filled with clay and pyrite. Kencana (K1 vein) shows a complex, multiphase...ore genesis model, which can be used to generate new targets in the Gosowong Goldfield and other low-sulfidation...model to assist the exploration team in generating new targets in the Gosowong Goldfield. There has been...significant Au occurrence known in the Halmahera region, the Kaputusan Cu-Au porphyry deposit on the island...intercept of 18 m at 125.7 g/t Au. Construction of mine infrastructure commenced in 1998. Production began |  | 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) | | 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 |  | | 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) | | 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 | | which it is published ee CONTENTS PREFACE TO NEW EDITION PREFACE TO FIRST EDITION 16 Central Wales...England 14 The Lake District 15 North Wales GEOLOGY AND SCENERY 19 The Bristol District and the Somerset... : ; i) “phe : z + ee ere e Ua PREFACE TO NEW EDITION IN recent years there has been a great...lost, but lately the housing estate has spread a new uniformity even more widely over the country, It...streets. For a country is not just a jumble of hills and valleys;— the features have a plan, a system |  | | Journal (article/letter/editorial) | | major portion was natural adsorbent clay from the Ash Meadows district. Four properties, 3 with swelling...ground water. Montmorillonite is the predominant clay mineral in all the deposits except Ash Meadows....are common impurities. The tests performed on the clay samples were: color : texture; slaking reaction...plastic viscosity, yield point and gel strength of clay-water slurry; colloid content; and pH . Some montmorillonites...Detailed descriptions of these data for the individual clay deposits, which are summarized here . can be found |  | | 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 |  | | Book | | M.G., arrived in the Colony, and proclaimed the new Constitution on the 22nd. The Constitution thus secured...from Perth. It is the centre of an agricultural district, but has received a great impetus from tlie railway...Gascoyne River, and is the port for the Gascoyne district, where the principal pursuit is sheep farming...half miles long. is situated in the Kimberley District, near the mouth of the Fitzroy River, at the head...from which the wool and cattle produced in this district are shipped. It is connected with Perth by a telegraph |  | | 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 |  | | Journal (article/letter/editorial) | | Three times I have explored the Worth-Western district. On the first occasion I started from London early...2015 2 EDINBURGH GEOLOGICAL SOCIETY. every district is more or less hampered from the same cause....yet bring in its train. >He points out that the district is the most arid in Australia. Natural watercourses...vanquished this horror of the desert. Queensland and New South Wales have demonstrated that plenty of water...all over the dry belt of Western Queensland and New South Wales. An enormous area of that arid territory | | | 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 |  | | Report (issue) | | r Broken Hills D~striCt (3>. . . Hill~J Broken ·j. ·I I J/ . ·; ·!\ i ) . District __...__ -E~:~h~ "'B~k~~ ·PJ.lls district 'lies 'between the Fairview and Paradise l~nges.:• ~·:::~~~,·~~:_...production . ' . }: . _ u~ ::~~¥~~::4t-- J3,ro.ken Hills was first discovered in 1905 by .Jam.e~ M. ': Stratror...of the Silver Trailer mine near:cy- a ~:, ~: below the site of the Broken Hills mille. 1 i By tracing...· . . .-- =~ the Broken Hills mine, . and . he. named the place Broken Hills (fig. 48). !"t desert |  | | Book | | ity to explore on his own and possibly uncover a new or better deposit* Finding rocks is like anything...satisfying experience both in seeing a new area and at times even finding a new and different speci men for our...Coyote Hills jut the Bishop area. They are low sloping than ten minutes from Bishop. the Rossi Mine Hills...we went out cupping in hills not more After getting permission from the mine caretaker, we There went...went to work rummaging through the mine dump, were a few exposed garnet crystals but by breaking the larger |  | | Journal (article/letter/editorial) | | and prospect pits is great, with many minerals new to the state being identified every year. Nevada...commercial nonmetallic deposits, such as limestone, clay, diatomaceous earth, gypsum, and bedded zeolites...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 |  | | Journal (volume) | | [Second Notice], .. Sketch of the Geology of the District of Shorapoor, or Soorpoor, in the Dekhan. By Captain...neighbourhood of Hong Kong, the Canton River, and the district immediately about Foochow, with a passing glance...ingin breadth from twelve tothirty miles. These hills form , in most of the intermediate districts, the...parallel to these, there is another range of similar hills, but for what distance these extend I cannot now...hundred . The original quartz veins of the granite, broken into small fragments by the forces which have operated |
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Broken Hills Mine, Hikuai, Thames-Coromandel District, Waikato Region, New Zealand