 | | Journal (article/letter/editorial) | | Deposits and Prospects of the Waitekauri Area, Hauraki Goldfield, New Zealand MARK P. SIMPSONâ AND JEFFREY...Auckland, New Zealand Abstract The Waitekauri area of the Hauraki goldfield, New Zealand, contains several...west to east, the area contains the Sovereign, Jubilee, Scimitar, Scotia, Teutonic, and Jasper Creek deposits...adularia, albite, chlorite, pyrite, illite, interstratified illite-smectite, smectite, calcite, hematite...restricted to Sovereign and Jubilee. Illite occurs throughout Sovereign and Jubilee and at the western margin |  | | Journal (article/letter/editorial) | | Au-Ag Deposits: A Case Study from the Waitekauri Area, New Zealand MATHIJS A. BOODEN,â JEFFREY L. MAUK...92019, Auckland Mail Centre, Auckland 1142, New Zealand Abstract Major element geochemical exploration...alteration can be quantified. In the Hauraki goldfield of New Zealand, altered andesites and dacites host...rocks in the Waitekauri area along a 3-km-wide section that extends from the central Waitekauri fault to...equal to approximately 11 percent of rock mass in illite-dominated altered rocks, and 24 percent of rock |  | | Journal (article/letter/editorial) | | Epithermal Gold-Silver Deposits of the Hauraki Goldfield, New Zealand: An Introduction DAVID A. JOHNâ U.S...California 94025 Geology and Mineral Deposits of the Hauraki Goldfield The five papers that follow describe...systems in the Hauraki goldfield on the Coromandel peninsula of the North Island of New Zealand (Fig. 1).... The Hauraki goldfield contains more than 50 Miocene and Pliocene epithermal Au-Ag deposits and several...quartz veins in 1861 at the site of the Kapanga mine (Fig. 1C). Prospecting elsewhere on the Coromandel |  | | Journal (article/letter/editorial) | | Epithermal Gold-Silver Deposits in the Waihi-Waitekauri Region, New Zealand ANNE E. MORRELL,â ,* CORINNE A. LOCKE...92019, Auckland Mail Centre, Auckland 1142, New Zealand Abstract Aeromagnetic, airborne radiometric...the adularia-sericite epithermal province of the Hauraki goldfield have delineated distinct anomalies associated...volcanic zone. An extensive (>20-km2) zone in the Waitekauri Valley is likely to be the result of multiple...of alteration zones in the form of adularia and illite. A broad K/Th anomaly correlates with the extent |  | | Journal (article/letter/editorial) | | Epithermal Au-Ag Deposits of the Southern Hauraki Goldfield, New Zealand* Mark P. Simpson,1,** Sabina Strmic...University of Auckland, Private Bag 92019, Auckland, New Zealand 2 U.S. Geological Survey, P.O. Box 25046, MS-973...Martha, Favona, and ÂWaitekauri deposits, southern Hauraki goldfield, New Zealand. Quartz veins contain...and 242°C. Fluid inclusions in quartz from the Waitekauri deposit homogenize from 210° to 265°C and contain...equiv. A thin quartz vein that occurs between the Jubilee and Scotia deposits contains coexisting liquid- |  | | Journal (article/letter/editorial) | | of a Large Epithermal Province: The Hauraki Goldfield, New Zealand* JEFFREY L. MAUK,1,â CHRIS M. HALL...92019, Auckland Mail Centre, Auckland 1142, New Zealand 2 Department of Geological Sciences, University...of Arizona, Tucson, Arizona 85721 Abstract The Hauraki goldfield in the Coromandel volcanic zone contains...47 Âą 0.06 Ma. The southernmost deposit in the Hauraki goldfield, Muirs Reef, has adularia in quartz veins...these results indicate that mineralization in the Hauraki goldfield ranges from 16.3 Ma in the north to 2 |  | 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) | | Related Deposits of the Hauraki Goldfield, Coromandel Volcanic Zone, New Zealand ANTHONY B. CHRISTIE,â ...GNS Science, P.O. Box 30-368, Lower Hutt 5040, New Zealand MARK P. SIMPSON, School of Geography, Geology...1142, New Zealand ROBERT L. BRATHWAITE, GNS Science, P.O. Box 30-368, Lower Hutt, New Zealand JEFFREY... Auckland 1142, New Zealand Abstract Epithermal Au-Ag vein deposits of the Hauraki goldfield in the...the Coromandel volcanic zone, New Zealand, produced 320,000 kg Au and 1.5 million kg Ag between 1862 and |  | | Journal (article/letter/editorial) | | Favona Epithermal Gold-Silver Deposit, Waihi, New Zealand MARK P. SIMPSONâ 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...Both adularia and albite are variably replaced by illite, which, together with broadly coextensive chlorite...locally at depth in the hanging wall. Interstratified illite-smectite containing 10 to 70 percent smectite and |  | | Journal (article/letter/editorial) | | Epithermal Orebody: The Martha Hill Deposit, Waihi, New Zealand K. BERNARD SPĂRLI1,â 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 mine in the Hauraki goldfield of New Zealand (Figs. 1, 2), with a total mined...state of structural information in the Martha Hill mine up to 1994, as presented by Cargill (1994), and...style towards the now-exposed deeper levels of the mine similar to the downward disappearance of microcrystalline |  | | Journal (article/letter/editorial) | | Emperor Mine, Vatukoula, Fiji E/V Tertiary Basalt and minor trachybasalt Porgera, Papua New Guinea...Mexico E/V Tertiary Peregrina Mine,Guanajuato, Mexico El Cubo Mine,Guanajuato, Mexico Tayoltita, Durango...surface exposure, drill core or rock chips from mine crosscuts. No: total number of samples analysed...surface Au core 8 16 0-47 0 0 E A u, Te mine 57 48 0-320 2 1 M Au, Ag core 24 60 0-212... 37 0-242 1 2 M WELLSet al. (1969) C Au mine 7 80 0-186 3 0 M TAPPER(1984) C Hg, Au |  | | Journal (article/letter/editorial) | | Abstract The Zn-Pbcarbonate-hosted deposit of Jubilee, CapeBreton,NovaScotia,shows organic matterandclay...ZnPb deposit.The illite erystallinity indexandthe proportion of interstratified illite-smeetite day minerals...sizeandnatureof the 0361-0128/98/1996/746-1156.00 746 JUBILEE DEPOSIT: CLAYMINERALS & ORGANIC MATTER ALTERATION...limestone oftheMacumber upperunit.Although Irish district(Russelland Skauli,1991). thethickness of thecomplete... Theproportion ofsmectite intheinterstratified illite-smectite minerals andthestacking orderofthelayers |  | | Journal (article/letter/editorial) | | Carboniferous clay deposits from Jenolan Caves, New South Wales: implications for timing of speleogenesis...Sydney, NSW 2010, Australia. 2 K â Ar dating of illite-bearing clays from eight locations in Jenolan Caves...SEM studies, and additional K â Ar illite dating rule out illite-bearing materials in the immediate catchment...altering feldspars and glasses to kaolinite and illite. The Early Devonian clays are interpreted as volcaniclastic...report here extraordinarily old K â Ar dates for illite from unlithified clays in Jenolan Caves. We provide |  | | Journal (article/letter/editorial) | | this subject. The follorving were discussed: 1. ILLITE. Professor R. E. Grim emphasized the non-specific...layers of other types, it was generally agreed that illite shoutd be used as a general, non-specific, term...not be asked to answer all the questions on t}Ie new simpler form, but will be asked to fill out basic...NEWS 2. Circularization will be accomplished by district committees. These will center inactive local societies...be responsible for full circularization in its district, and has been asked to estimate the number of |  | Keller, G., Adatte, T., Bajpai, S., Mohabey, D.M., Widdowson, M., Khosla, A., Sharma, R., Khosla, S.C., Gertsch, B., Fleitmann, D. (2009) KâT transition in Deccan Traps of central India marks major marine Seaway across India. Earth and Planetary Science Letters, 282 (1) 10-23 doi:10.1016/j.epsl.2009.02.016 | Journal (article/letter/editorial) | | (Uttarakhand), India d Geological Survey of India, Central Region, Seminary Hills, Nagpur 440 006, India e Department...intertrappean sediments at Jhilmili, Chhindwara District, Madhya Pradesh. Integrative biostratigraphic...intertrappean sediments of Jhilmili, Chhindwara District, Madhya Pradesh, permits more precise age dating...near the village of Jhilmili in the Chhindwara District of Madhya Pradesh (22° 02Ⲡ44âłN, 79° 09Ⲡ34âłE...elevation of about 580 m (Fig. 1C). The Chhindwara District is situated on a basaltic plateau at 600â700 m |  | | Journal (volume) | | a2eradation or desradation of the channels" (emphasis is mine). The definition is suitably broad and stresses...into ephemeral Lake Cabeza de Vaca near the Texas-New Mexico border (Fig. 3). At around 2.25 Ma ago the...monsoonal reach (Rio Puerco station). CO Colorado, NM - New Mexico, TX - Texas, T - Taos, SF - Santa Fe, A1 -... The ~ 40 m bluff of Rincon Arroyo, near Hatch, New Mexico is excavated in Matuyama-age ancestral Rio...excess of 30 m of uplift must have occurred in the region of Norwich, since deposition of the Chapel Hill |  | Smith, W. H., Nance, R. B., Hopkins, M. E., Johnson, R. G., Shabica, C. W. (1970) epositional environments in parts of the Carbondale Formation, western and northern Illinois : Francis Creek Shale and associated strata, and Mazon Creek biota. Guidebook Series 8. Illinois State Geological Survey | Report (issue) | | EDWARDS MINE GEOLOGY AND ROUTE MAP, FIRST DAY STOP NO. 2. UNITED ELECTRIC COAL COMPANIES, BANNER MINE STOP...PARK. LUNCH 13 5. WOLF BRIDGE SECTION 14 6. JUBILEE COLLEGE SECTION 8 16 GEOLOGY AND ROUTE MAP,...THE COLCHESTER (NO. 2) COAL MEMBER AT THE BANNER MINE, PEORIA AND FULTON COUNTIES, ILLINOIS - M. E. Hopkins...THE COLCHESTER (NO. 2) COAL MEMBER AT THE BANNER MINE, PEORIA AND FULTON COUNTIES, ILLINOIS - H. H. Damberger... and the United Electric Coal Companies, Banner Mine were most cooperative and we extend particular thanks |  | | Report (issue) | | Precambrian to Quaternary. These trips present a number of new ideas and interpretations that will broaden the perspectives...part of Johnson Shut-Ins; exposed strata at the Jubilee Lodge stop; cobbly limestone and chert overlying...INTRODUCTION ROAD LOG AND Stop 1 : SITE DESCRIPTIONS Jubilee Creek Ford Property Owner Location General...87 87 87 87 87 88 89 89 89 89 89 90 3: Lodge Jubilee Property Owner Location General Stratigraphy...Major geologic features of the central Midcontinent region Outcrops of Precambrian rocks in the St. Francois |  | | Report (issue) | | occupies a unique position in North AmerIt is the region where deposits made by the glaciers that invaded...is also part of the Upper Mississippi Valley region where early re- search revealed a record of multiple...are common in the gravels from the Lake Superior Region. distinctive in the drift Major additions to...Michigan Lobe drift and account for the dominance of illite in the clay minerals and the local abundance ot...Precambrian outcrop area of Canada and the Lake Superior region. A relatively high percentage of garnet char- |  | | Journal (article/letter/editorial) | | and the large accumulations in the Dzhezkazgan region of Kazakhstan. The Lubin deposits are subsalt and...by the NaâCaâCl oilfield brines in the Cheleken region of Turkmenistan (Lebedev 1972). These brines contain...e 2 km (c) WSW Sieroszowice ENE Rudna Mine Region 13.6% 13.5% 0 2 0 2 4 2 metres b re O...beneath the Zechstein evaporites. (b) Enlargement of region of Rote Faule [see box in (a)] showing how the...the Rotliegende sequence. For example, the Lubin region in Poland has estimated ore reserves of 2600 Mt |  | | Journal (article/letter/editorial) | | eastern Canada (Fig. 1), another recognized MVT district (Ravenhurst et al., 1989; Sangster et al., 1998b)...Antigonish basin Cu (Bourque, 1980; Kirkham, 1985), (9) Jubilee Zn-Pb (Fallara et al., 1998), (10) Lake Enon Sr...integrated into metallogenic models for this MVT district (Ravenhurst et al., 1989). Recent work at this...Ba-Fe mineralization along this structure provide new insight into the broader metallogenic evolution and...marine carbonates of Nova Scotia, Newfoundland and New Brunswick, and also areas of red-bed Cu(-U) mineralization |  | | Journal (issue) | | .................................... 398 What's New ..................................... .............45, July- August, 2014 also enjoyed collecting New Mexican Indian Pottery (from 1960 forward), art glass...and Illinois), smithsonite, worldwide minerals, new finds, Arkansas minerals, etc. That was also the...specimen mining projects at the White Phantom Crystal mine and several other quartz and wavellite localities...Died, Stan Lesnick, 88 Stanley Lesnick was born in New York City on December 27, 1925, the son of Jenny |  | | Journal (article/letter/editorial) | | VOL. 40, PP. 9 o 3 - I 6 Twenty-ninth list of new mineral names M. H. H E Y British Museum (Natural...which have been approved by the I.M.A. Commission on New Minerals and Mineral Names, together with 3I names...occurs in dry weather on the waste piles of a coal mine in the LvovVolynsk basin, identical with the synthetic...Mineralogical Society. 9o4 TWENTY-NINTH LIST OF NEW MINERAL NAMES Argentoaikinite, Argentocosalite,...occurs in fractures in an ironstone formation in the region of Big Fish River and Blow River, Yukon Territory; |  | | Journal (article/letter/editorial) | | trough (Grunau, in m a n y orogenic region, Tethys region, Ouachita in t h e U . S . S . R . , a n...terrain at I n u y a m a and Neo in the M i n o district and at K u z u u in the Ashio M o u n t a i n...cherts of the Setogawa terrain in the Shizuoka district (Iijima et al., 1979, 1981 ). In this article...partings are composed largely of terrigenous clays. Illite and chlorite are the only clay mineral species...due to the transformation of montmorillonite into illite and the reconstitution of siliceous skeletons, |  | | Journal (article/letter/editorial) | | Estonia, consisting essentially of illite and 20% expandable illite-smectite, (I-S) were treated with...of older, detrital clays. The K-Ar dates of the illite layers susceptible to K extraction by the various...expanded illite) were taken into account. Key Words-Alkylammonium Cations, Estonian "Blue Clay", Illite, K-Ar...is very selective: even in apparently homogenous illite or I-S, some crystals undergo opening and some...claystone known to consist of detrital and authigenic illite. It was hoped that one of the components will be |  | | Report (issue) | | Occurrences east of Sudbury Falcon Mine Wanup quarry Elizabeth Mine Wahnapitei occurrences MacDonald occurrence...quarry Vermilion River placer deposits Moose Mountain Mine Nickel-copper mines west of Sudbury High Falls Road...occurrence McMillan Mine Wallace Mine Sheguiandah quarry Shakespeare Mine Massey Mine Hermina Mine Elliot Lake...Bi-Ore Mine Pater Mine Pronto Mine Jasper conglomerate occurrences, Highway 546 Glagoma Mine Cheney Mine...Mine Gould Mine Havilah Mine Rock Lake Mine Bruce Mines copper mines Stobie Mine Jasper conglomerate |
|
