 | | Journal (article/letter/editorial) | | Hydrologic Evolution of the Golden Cross Epithermal Au-Ag Deposit, New Zealand MARK P. SIMPSON,† JEFFREY...University of Auckland, Private Bag 92019, Auckland, New Zealand AND STUART F. SIMMONS Geothermal Institute...Auckland, New Zealand Abstract Golden Cross, located in the Coromandel peninsula, New Zealand, is a classic...temporal zonation around veins, as defined along three cross sections (1,000 m long × 450 m deep), located 200...conditions. Veins and alteration minerals at Golden Cross formed in the shallow part (<400 m) of a hydrothermal |  | | Journal (article/letter/editorial) | | Deposits and Prospects of the Waitekauri Area, Hauraki Goldfield, New Zealand MARK P. SIMPSON† AND JEFFREY...Auckland, New Zealand Abstract The Waitekauri area of the Hauraki goldfield, New Zealand, contains several...alteration and vein minerals along a 3-km-long composite cross section through the area. Most host rocks are intensely...et al., 2003; Comstock: Hudson, 2003; Favona, New Zealand: Simpson and Mauk, 2007). Many papers describe...prospects in the Waitekauri area of the southern Hauraki goldfield, North Island, New Zealand (Figs. 1, 2) |  | | Journal (article/letter/editorial) | | Favona Epithermal Gold-Silver Deposit, Waihi, New Zealand MARK P. SIMPSON† AND JEFFREY L. MAUK School of...Mail Centre, Auckland 1142, New Zealand Abstract The Favona deposit is a new epithermal vein discovery...>42.1 million oz (Moz) Ag), in the Hauraki goldfield of New Zealand. The concealed Favona vein is hosted...display distinct zonation along four subsurface cross sections (800 m long × 450 m deep) that transect...for veins. The veins at Favona, Martha, and Golden Cross (Empire vein), combined with a resource at Karangahake |  | | 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 |  | Simmons, S. F., Arehart, G., Simpson, M. P., Mauk, J. L. (2000) Origin of Massive Calcite Veins in the Golden Cross Low-Sulfidation, EpithermalAu-Ag Deposit, New Zealand. Economic Geology, 95 (1) 99-112 doi:10.2113/gsecongeo.95.1.99 | Journal (article/letter/editorial) | | Calcite Veins in the Golden Cross Low-Sulfidation, Epithermal Au-Ag Deposit, New Zealand STUART F. SIMMONS...University of Auckland, Private Bag, 92019, Auckland, New Zealand GREG AREHART,* Institute of Geological and Nuclear...Wairakei Research Centre, Private Bag 2000, Taupo, New Zealand MARK P. SIMPSON, Geology Department, University...University of Auckland, Private Bag, 92019, Auckland, New Zealand AND JEFFREY L. MAUK Geology Department, University... Private Bag, 92019, Auckland, New Zealand Abstract At Golden Cross, andesitic lavas and volcaniclastic |  | | Journal (article/letter/editorial) | | THE BROADLANDS-OHAAKI HYDROTHERMAL SYSTEM, NEW ZEALAND YONGHONG Y AN, 1 DAVID A. TILLlCK,2 DONALD...Auckland, New Zealand 3Geothermal Institute, University of Auckland, Private Bag, 92019, Auckland, New Zealand...from the Broadlands-Ohaaki hydrothermal system, New Zealand, were investigated using X-ray diffraction (XRD)...we ll known, are equivalent to those in the Golden Cross hydrothermal gold deposit as described in Part...Broadlands-Ohaaki geothermal system, North Island, New Zealand, is a currently active geothermal system. The |  | | Journal (article/letter/editorial) | | profile across a multistage, m-wide vein of the Clara mine, Central Schwarzwald. These results highlight the...at different times. In particular for the Clara mine veins such repeated reactivation from Permian to...K–Ar, Rb–Sr and (U,Th)/ He methods, in the Clara mine and for a number of faults in the area (Lippolt...anatase, and very fine grained, Ti-rich aggregates (leucoxene). Sample STE-3 presents typical aspects of a vein-related...biotite combined with growth of hematite and leucoxene. These processes give rise to a propylitization |  | | Book | | proportion of the accumulating information. This new book represents an attempt to address this major...of gold mineralization. For access to a wealth of new information the reader is encouraged to tum to the...demand for gold in the 1980s has opened up exciting new avenues of research and generated a wealth of hard...James Crocket is a graduate of the University of New Brunswick, Oxford University, and the Massachusetts...Manchester in 1973 (Ph.D.) and was then employed as a mine and exploration geologist by Falcon Mines Ltd in |  | John, D. A., Hofstra, A. H., Fleck, R. J., Brummer, J. E., Saderholm, E. C. (2003) Geologic Setting and Genesis of the Mule Canyon Low-Sulfidation Epithermal Gold-Silver Deposit, North-Central Nevada. Economic Geology, 98 (2) 425-463 doi:10.2113/gsecongeo.98.2.425 | Journal (article/letter/editorial) | | Phelps Dodge Tyrone, Inc., P.O. Box 571, Tyrone, New Mexico 88065 AND ERIC C. SADERHOLM * Newmont Gold...Company, Yanacocha, Peru Abstract The Mule Canyon mine exploited shallow, low-sulfidation, epithermal Au-Ag...rift (White and Hedenquist, 1990). THE MULE CANYON mine exploited low-sulfidation epithermal Au-Ag deposits...(Quaternary) Olivine basalt (Miocene) Mule Canyon Mine 2 Trachydacite (Miocene) 4 3 5 8 Muleshoe fault...(Oligocene) Sedimentary rocks (Paleozoic) Contact Barite mine Fault, dotted where concealed. Ball on downthrown |  | | 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 |  | | Report (issue) | | GEOLOGY OF AUSTRALIAN AND PAPUA NEW GUINEAN MINERAL DEPOSITS Monograph 22 i Cover photograph: Aerial...Aerial view of Main-Barton open pit, Jundee gold mine, WA, viewed from the east, June 1997. The pit is approximately...Mines Limited. ii GEOLOGY OF AUSTRALIAN AND PAPUA NEW GUINEAN MINERAL DEPOSITS Monograph 22 Edited by...understanding of the mineral wealth of Australia and Papua New Guinea. v vi Committees MONOGRAPH 22 COMMITTEE...Mineral Industries Research Association Limited Papua New Guinea - Department of Mining and Petroleum Bureau |  | | Journal (volume) | | Geologist C A. Logan, District Mining Engineer C. McK. Laizure, District W. Burling Tucker, Reid...Reid J. Frank Sanborn, District Mining Engineer District Engineer Mining Engineer Mineral Technologist...Ore-Buyers' Inspector Henry H. Symons, J. C. District Sampson, Assistant Ohas. V. Averill, John ...Reports of District Milling' Engineers Redding Field District Sacramento Field District San Francisco...Francisco Field District Los Angeles Field District Mineral Development and Mining Activity in Southern « California |  | | Journal (volume) | | A. Logan, District Mining Engineer C. Jenkins, Chief Geologist McK. Laizure, District W. Burling...Engineer District Sampson, Assistant Mining Engineer District Engineer Chas. V. Averill, District Mining...OF CONTENTS Page DISTRICT REPORTS OF MINING ENGINEERS—— 7 Redding Field District 7 Sacramento Field...Field District 7 San Francisco Field District 7 Los Angeles Field District i) Current Mining Activity...now available is appended hereto, and the names of new bulletins will be added in the future as they are |  | | Report (issue) | | OR PROFE SIONAL PAPER 68 THE ORE DEPOSITS OF NEW MEXI.CO BY WALDEMAR LINDGREN, LOUIS C. GRATON AND...PRQ)tESSIONAL PAPER 68 T·H E ORE DEPOSITS O.F NEW MEXICO.. . . ., .,· ;,.: BY WALDEMAR LINpGREN...J,5 Historical sketch of mining and smelting in New Mexico....... . . . . . . . . . . . . . . . ............... . . , ... -.. . Rio Hondo. (Twining) district . . . . . . . . . . . . . ......................::.:::.::: ::: :::: :: ':::: :: ::::. Red River district. ..................•......... -~ . . ........ |  | | Conference Proceedings (Volume) | | Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started... Garuti, A. Rojas-Purón, F. Longo & A. Chang A new mineralogical method for the determination of metal...mineralisation of the Riwaka Complex, Northwest Nelson, New Zealand . . ..........................................River–Uchi–Oxford-Stull–La Grande-Eastmain superdomain: a new metallotect within the Superior Province ..........Platinum mineralization at Owendale, NSW, Australia: new insights into the genesis of Pt mineralization in |  | | Book | | good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County. At many...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals in the |  | | Book (volume) | | acquarie Volcanic Arc, Eastern Lachlan Orogen in New South Wales, Australia: A Review 71 Mike Porter and...Ertsberg Diorite, G unung Bijih (Ertsberg/G rasberg) District, West Papua, Indonesia Kurt C Friehauf, Spencer...of Porphyry Cu-Mo-Ag Deposits in the Collahuasi District，N orthern Chile Glertton J. Masterman, David R.............. 207 Geology of the Bingham Mining District, Salt Lake County, Utah Charles H. Phillips, Edward...Porphyrv Cu-Mo Deposits of the Highland Valley District, Guichoti Creek Batholith^ British Columbia, Canada |  | | Report (volume) | | and 1970s were decades of mineral exploration and mine development unprecedented in the northwestern Cordillera...the 30 years since the opening of the Bethlehem mine in late 1962, porphyry mines in British Columbia...stability and renewed development , activity. Relatively new discoveries of ‘“‘porphyry gold’’ and related deposits...following the last major thermal disturbance in the region, rather than the actual age of intrusion. Research...for survival of the Bell mine in fascinating detail. The paper on the Brenda mine presents insights into |  | | Report (issue) | | 1-510,Price Rs. 400.00 or$23.00 Proceedings of Golden Jubilee Seminar on Exploratiop geophysics in India...Printed at: FLAGSHIP MULTIPRINTS PVT. LTD. Nagole Cross Roads on Ring Road, Saroornagar P.O., Hyderabad... Kolar Gold Fields (KGF) was the second deepest mine in the world which along with Hutti mines produced...Dona sector of Jonnagiri schist belt in Anatapur district, is being explored. Elsewhere, investigation for...Payalikh and and Tokapal in Bastar craton has opened up new vistas for further search of diamonds. Investigation |  | | Book | | of Canada: A Synthesis of Major Deposit-types, District Metallogeny, the Evolution of Geological Provinces...advertising or promotional pw·poses, for creating new collective works, or for resale. For such copying...avec l'editeur. Gold-rich specimen fro1n the Don,e Mine, Tim1nins, Ontario that was presented to GSC in...sub-angular altered and non-altered clasts and folded cross-cutting veins of coarse pyrite, ankerite and minor...of Canada A Synthesis of Major Deposit-Types, .District Metallogeny, the Evolution of Geological Provinces |
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