 | 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 |  | | Book | | UC-NRLF NEW ZEALAND of department Geological Survey Branch (P. G. Morgan, Director). LIST...LIST OF THE MINERALS OF NEW ZEALAND, BY P. O. Issued MORGAN AND under the authority of the Hou, J...Z. JOHN MACKAY, GOVERNMENT PRINTER 1913. NEW ZEALAND-!, n Department jfe 5j Geological Survey...Morgan, Director). LIST OF THE MINERALS OF NEW ZEALAND, P. Issued O. MORGAN AND under the authority...Minerals . . ... LIST OF THE MINERALS OF NEW ZEALAND INTKODUCTION. FOR many years there has been |  | | Journal (article/letter/editorial) | | the Broken Hills deposit, Hauraki Goldfield, New Zealand Helen A. Cocker & Jeffrey L. Mauk & Stuart D...Hauraki Goldfield of New Zealand. The opaque minerals include pyrite, electrum, acanthite (Ag2S), sphalerite...Uytenbogaardtite and petrovskaite occur with high-fineness electrum. Broken Hills is the only deposit in the Hauraki...minerals include covellite, chalcocite, Au-rich electrum, barite, and a variety of iron oxyhydroxide minerals...between uytenbogaardtite and associated highfineness electrum may be similar in both conditions. Distinguishing |  | | 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...compositions. Therefore, even though volcanism in the Coromandel volcanic zone was active from 18 to 2 Ma, Au-Ag |  | | Journal (article/letter/editorial) | | Province, New Zealand W. R. H. RaMsaY Armidale, N. S. W., Australia H. W. KOB~ Auckland, N e w Zealand The...sulfides, selenides and native metals. Fineness of electrum derived from two electron microprobe analyses...Province, which constitutes N e w Zealand's major region of noble metal production (Fig. 1). The province...;1ThamesPeninsula /LTe Aroha AUCKLANJ i Central Volcanic ~ Region NORTH ISLAND SOUTH ISLAND E Vq Fig. 1. Location...general geological map, Great Barrier Island, New Zealand TRUM'S conclusions, while more recently THOMI |  | Brathwaite, R., Simpson, M., Faure, K., Skinner, D. (2001) Telescoped porphyry Cu-Mo-Au mineralisation, advanced argillic alteration and quartz-sulphide-gold-anhydrite veins in the Thames District, New Zealand. Mineralium Deposita, 36 (7) 623-640 doi:10.1007/s001260100182 | Journal (article/letter/editorial) | | quartz-sulphide-gold-anhydrite veins in the Thames District, New Zealand Received: 28 August 2000 / Accepted:...m on the northeastern margin of the Thames district, New Zealand. The geological setting is Jurassic...Sciences Ltd., P.O. Box 31-312, Lower Hutt, New Zealand E-mail: B.Brathwaite@gns.cri.nz Present address:...University of Auckland, Private Bag 92019, Auckland, New Zealand temperatures (450 to >600 °C). These hypersaline...sericite selvages from quartz-gold veins in the Thames district. Introduction A porphyry Cu-Mo-Au prospect |  | | 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...million oz (Moz) Ag), in the Hauraki goldfield of New Zealand. The concealed Favona vein is hosted in late...than 200 metric tons (t) of gold (e.g., Martha, New Zealand; Hishikari, Japan; Acupan, Philippines; Comstock... Mexico: Conrad et al., 1992; Golden Cross, New Zealand: Simpson et al., 2001; Comstock, Nevada: Hudson |  | | Journal (article/letter/editorial) | | Prospects of the Waitekauri Area, Hauraki Goldfield, New Zealand MARK P. SIMPSON†AND JEFFREY L. MAUK School of...Auckland, New Zealand Abstract The Waitekauri area of the Hauraki goldfield, New Zealand, contains several...et al., 2003; Comstock: Hudson, 2003; Favona, New Zealand: Simpson and Mauk, 2007). Many papers describe...the southern Hauraki goldfield, North Island, New Zealand (Figs. 1, 2). The area has been well drilled...Goldfield Great Barrier Island Auckland 38°S 0 N Coromandel Peninsula 200 km Hauraki-Success 0 20 km |  | | Journal (article/letter/editorial) | | Sulfide-Quartz Vein System, New Zealand: Temperature and Salinity Controls on Electrum and Sulfide Deposition...Nuclear Sciences, P.O. Box 31312, Lower Hutt, New Zealand Abstract The large, andesite-hosted quartz vein...sphalerite-galena-pyritechalcopyrite-acanthite-electrum assemblage at medium to shallow levels. Fluid...low CO2 contents (0.05–0.24 wt %). Quartz within electrum-poor Zn-Pb-Fe sulfide bands was deposited at higher...temperatures (295°–242°C) and salinities than quartz in electrum-bearing Zn-Pb-Fe-Cu-Ag sulfide bands (260°–190°C) |  | | Book (edition) | | Pearl (CatUns) .r 2. Ruby (Rimu Flat) x 2. Citrine (Thames). Opal (Tairua) x 2. h Zircon (Stewart Island)...Agate (Clent Hills). Topaz (Pegasus Bay). NEW ZEALAND MINERALS and GEMS by W. M. CAMPBELL, M.A.,...upon these sculptured features of a planet's face ? New Zealand's grainfields, whence come our daily bread...amethyst, opal, carnelian and cinnabar are but a few of New Zealand’s precious pebbles. If of an even content...Upheaved above wide ocean from deep undercrust. New Zealand is a contorted, broken land of varied mineral |  | | 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...with migration of a subduction zone past the Coromandel peninsula. This demonstrates that structural...Martha Hill mine in the Hauraki goldfield of New Zealand (Figs. 1, 2), with a total mined and unmined |  | | Journal (article/letter/editorial) | | of the Golden Cross Epithermal Au-Ag Deposit, New Zealand MARK P. SIMPSON,†JEFFREY L. MAUK, Geology Department...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...Au-Ag deposit located within the Coromandel peninsula, New Zealand (Fig. 1). An earlier investigation...below COROMANDEL PENINSULA 38°S N Tokatea 0 200 km LEGEND 37°0´ S Alluvial sediments Thames (Quaternary) |  | | Journal (article/letter/editorial) | | as the Black Hawk mine, Blue Hill, Maine; New York City, New York; an unspecified locality in Chester...Pennsylvania; the Cofer deposit in the Mineral district of Louisa County, Virginia, where it occurs with...States. Best known are those from the Park City district, Summit County, Utah, where at one time crystals...from the Albion mine in the Little Cottonwood district, Salt Lake County, Utah. It was an ore mineral...Helvetia-Rosemont district, Pima County; the Augusta and Hosey mines in the Wrightson district, Santa Cruz |  | Simpson, Mark P., Gazley, Michael F., Stuart, Alistair G.J., Pearce, Mark A., Birchall, Renee, Chappell, Debra, Christie, Anthony B., Stevens, Murray R. (2019) Hydrothermal Alteration at the Karangahake Epithermal Au-Ag Deposit, Hauraki Goldfield, New Zealand. Economic Geology, 114 (2) 243-273 doi:10.5382/econgeo.2019.4630 | Journal (article/letter/editorial) | | Epithermal Au-Ag Deposit, Hauraki Goldfield, New Zealand Mark P. Simpson,1,†Michael F. Gazley,2,* Alistair...Research Centre, 114 Karetoto Road-RD4, Taupo 3377, New Zealand Scientific and Industrial Research Organisation...2013, New Zealand 4 GNS 5 Stevens Science, 1 Fairway Drive, Avalon, Lower Hutt 5010, New Zealand and...Pine Harbour Parade, Beachlands, Auckland 2018, New Zealand Abstract The Karangahake deposit is the third...gold producer in the Hauraki goldfield, Coromandel, New Zealand. Production was mainly from the Maria and |  | Voudouris, P. C., Melfos, V., Spry, P. G., Kartal, T., Schleicher, H., Moritz, R., Ortelli, M. (2013) THE PAGONI RACHI/KIRKI Cu-Mo Re Au DEPOSIT, NORTHERN GREECE: MINERALOGICAL AND FLUID INCLUSION CONSTRAINTS ON THE EVOLUTION OF A TELESCOPED PORPHYRY-EPITHERMAL SYSTEM. The Canadian Mineralogist, 51 (2) 253-284 doi:10.3749/canmin.51.2.253 | Journal (article/letter/editorial) | | precious metals in all mineralization stages: electrum in A- and M-type veins is spatially associated...Greece indicates that this area may represent a new Au-Re-Te metallogenetic province. Keywords: Porphyry...from Arikas and Voudouris (1998) (diamonds) and new data from this study (circles). Rhyolite (crosses...and M-type veins includes chalcopyrite, bornite, electrum, pyrite, and molybdenite. These minerals, together...veins where it is intergrown with bornite and electrum, but post-dates the formation of magnetite (Fig |  | | Journal (article/letter/editorial) | | at the Golden Cross Epithermal Au-Ag Deposit, New Zealand JEFFREY L. MAUK†AND MARK P. SIMPSON School of...92019, Auckland Mail Centre, Auckland 1142, New Zealand Abstract Golden Cross is a late Miocene volcanic-hosted...illite assemblages located in the Coromandel peninsula, New Zealand. Gold- and Ag-bearing quartz veins...Leavitt and Arehart, 2005; Warren et al., 2007). District- and deposit-scale investigations of oxygen and...deposit is located at the southern end of the Coromandel peninsula (Fig. 1) and occurs in a 200-kmlong |  | | Journal (article/letter/editorial) | | carbonate rocks from the Bingham Canyon, Utah mining district. Replacement of the carbonate rock appears to...950-level Tonopah-Extension mine, Tonopah mining district. Bands of alternating sulfides and rhodochrosite...sphalerite in the Wilfley mine, Kokomo mining district, Colorado. The thin, alternating pyrite and sphalerite...(1983), Hayba et al (1985) and others (Table 1). New techniques, such as fluid inclusion and isotope analyses... studied metal distributions in the Fresnillo district, Mexico, and found that the variance in metal |  | | Book (edition) | | THE NEW JEWELRY TRENDS + TRADITIONS Digitized by the Internet Archive in 2022 with funding from Kahle/Austin...org/details/newjewelrytrendsOO000dorm_n9u4 the new ee trends+traditions | - oe a yy ic. Se so... PEE BROMUS AU NIDE RSINPIED ICUININTER the new Jewelry trends+traditions REVISED EDITION with 262...262 illustrations, 129 in color Sw) CE VEC Isl THAMES AND HUDSON Captions to photographs: where one...Flockinger); Powell, Dean 227, 228 (Aaron Faber Galley, New York); Ramsdale, Jack 275 (Ilene Weiss); Rickl, |  | | Book | | Archaeology in Cairo for allowing me to publish new material from the metalworking site at the temple... 2. 3. 4. 5. 6. 7. Map showing a gold-bearing region in the ca~~crn desert of 1~.1!ypl !Jagc J] Delivery...Intermediate Period 17k2-1570 BC Dynasties XIII - XVII New Kingdom 1570 - 1070 BC Dynasties XVIII - XX Third...trade and possibly contact with immigrants brought new technologies and materials into Predynastic Egypt...map of this area exists, showing the gold-mining district. The hieratic captions describe the location of |  | | Book | | published in 1997 by Harry N. Abrams, Incorporated, New York A Times Mirror Company All rights reserved...these are now in the Egyptian Museum, Cairo. In New York the Metropolitan Museum of Art boasts the jewellery...it did. Had the prodigious quantities of gold, electrum and silver taken to the tombs of kings and nobility...city of Meroe in Sudan. It was here, beside their new capital, that the successors of the Kushite 25th...at Dahshur, north of the Faiyum. It was to this region that the kings of the 12th Dynasty had moved their |  | | Journal (article/letter/editorial) | | calc-silicate footwall at Sandsloot mine, Potgietersrus district, South Africa P. E. B. Armitage University of...platinum-group elements of the Noril’sk-Talnakh district in Russia are hosted by small, complex mafic–ultramafic...common product of the same process. The Bilbao Iron District (370 000 000 t production) also lies within the...such bodies dominate the Iberian Pyrite Belt, the region perhaps qualifies for the record for the most badly...the most abundant volcaniclastic facies in the region, and the most important controls on the distribution |  | | Journal (article/letter/editorial) | | referred to as gold, those with fineness 200-800 as electrum and less than 200 as silver. Historically, fineness...Morrison graduated from the University of Otago, New Zealand in 1973. He obtained his Ph.D. from the University...Shimazaki and Shimizu, 1986, 1987). In recent years, new thermodynamic data on the bisulphide-complexesof...from Fisher ( 1945 ), have been reassigned in the new classification to facilitate comparison of bullion... Canadian Arrow 21 Lily 22 23 Three Sisters New Consort 24 Fairview 25 Sheba 26 Agnes 27 |  | | Book | | LINCS. (B.M.) SHIELD, River Thames, BATTERSEA, (B.M.) HELMET, River Thames, WATERLOO. (B.M.) HELMET, probably...KENT. (B.M.) BRONZE MASK, WELWYN, HERTS. (B.M.) ELECTRUM TORC. SNETTISHAM, NORFOLK. (B.M.) IRON SICKLE...Hilt & Sheath, River Thames, COOKHAM, BERKS. (B.M.) IRON ANTENNA SWORD, THAMES, LONDON. (B.M.) IRON SWORD...campaigns of Julius Caesar suddenly released a flood of new information, which is preserved not only in Caesar’s...something to the development of British life, and each new feature in it can thus be tied to the corresponding |  | | Journal (article/letter/editorial) | | conquest of the copper and turquoise mines of that region, and implies, of course, their previous existence...the metal united ored gold is sometimes termed electrum, and was found with the copper. Thus there are...foul' princesses buried Silver, as distinct from electrum. seems to have been at Dahshur about B. C. 2350...was brought from Etruria 01' found in some nearer region. Mines of tin were certainly worked at Cento Camarelle...duction of the use of ooins. The earliest were of electrum, issued in the form of oval bullets, officially |
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