 | 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) | | Alteration at the Karangahake Epithermal Au-Ag Deposit, Hauraki Goldfield, New Zealand Mark P. Simpson...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...Parade, Beachlands, Auckland 2018, New Zealand Abstract The Karangahake deposit is the third largest gold...gold producer in the Hauraki goldfield, Coromandel, New Zealand. Production was mainly from the Maria and |  | 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,†...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 |  | | 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) | | Volcanic Area is part of the Transdanubian Volcanic Region (Embey-Isztin et al., 1989, 1990; Kurat et al....is limited to the southern part of the volcanic region (Hauser, 1954; Heritsch, 1967, 1982; Fliigel and...of the secondary minerals opalC/-CT, alunite, kaolinite and montmorillonite. The secondary minerals and...opal-C/-CT + alunite and opal-C/-CT + alunite + kaolinite (middle zone I). The outer zone (middle zone II)...cristobalite and small amounts of alunite and kaolinite. The zones are similar to those observed in association |  | | Book | | ores—above). Silver ores from the Thunder Bay mining region, Lake: Superior) Ontapioas aah. .. ieee Silver...Superior, district of Thunder Bay, O. (1237.) <= Rabbit Mountain mine, township of Paipoonge, district of Thunder...a by T. A. Keefer, 1884. mine, township of Lybster, (4960.) district by T. H. Trethewy, 1889. ...model of a nugget.—Omenica, B.C. (1264.) Wellington mine, two miles north-east of Bear Lake, Kaslo-Slocan...B. C.—Coll., J. (1246.) Vital Creek, Omenica district, B.C.—Presented by H. G. Hanks. (3448, Mercury |  | | Journal (article/letter/editorial) | | two stages, feldspar being altered first to a kaolinite-type clay which is then replaced by Mg-chlorite...Stratigraphic table for the Filipstad-Grythyttan-Hjulsj6 region, modified from Oen and Verschure (1982) et al....of the rock, both recrystallized to aggregates of new grains, or preserved as relatively strain free grains...D analysis suggests that it is composed of a kaolinite group mineral, possibly meta-halloysite (W. Drucker...tourmaline (dravite) (TMA, TMB): slide Gp 1L5; kaolinite group mineral, probably meta-halloysite (HAL): |  | | Journal (issue) | | Branch: M. P. Gayton, F.G.A. South Yorkshire & District Branch: M. W. Eldridge, M.B., Ch.B., F.G.A. Examiners:... E. 1977 Color Encyclopedia of Gemstones, p.82, New York: Van Nostrand. Cavenago-Bignami, S. 1972 Gemmologia...crystal. It would seem that as well as possible new gem finds in the future, and man's incredible hunger...is best known from the occurrence in the Dundas district of Tasmania, where it attains lengths of up to...crocoite was from the Sverdlovsk area, Beresov district, in the Ural Mountains of the U.S.S.R.; in 1797 |  | | Journal (article/letter/editorial) | | rocks of the Doğanbey formation in the Beys ehir region (central Anatolia) are composed of organic-matter-bearing...units were altered to smectite, halloysite, kaolinite, minamiite and jarosite in ignimbritic units,...1998; Kadir and Karakas , 2002). Smectite and kaolinite occur in deposits with economic potential (Suludere...smectite in the volcaniclastic rocks of the Doğanbey region (Beys ehir) may indicate that the origin of smectite...DB6-4 fds ++++ ++++ acc + + ++ + acc +++ kaolinite, anl analcime, fds feldspar, op opal-ct, relative |  | Harraden, Cassady L., Cracknell, Matthew J., Lett, James, Berry, Ron F., Carey, Ronell, Harris, Anthony C. (2019) Automated Core Logging Technology for Geotechnical Assessment: A Study on Core from the Cadia East Porphyry Deposit. Economic Geology, 114 (8) 1495-1511 doi:10.5382/econgeo.4649 | Journal (article/letter/editorial) | | Australia Proprietary Limited, 1/127 Grandstand Road, Ascot, Western Australia 6104, Australia Abstract The...deposit, located approximately 20 km south of Orange, New South Wales, Australia, contains a significant resource...Intrusive Complex. To extract ore, the underground mine currently uses the block cave mining method. The...analysis methods that make up the foundation for mine design. These data provide input into the construction...drill core. Hyperspectral data from the Cadia East mine were used in this case study to assess the methods |  | | Journal (article/letter/editorial) | | found in the Ordu area of the Eastern Black Sea region. The Ca- and Na-bentonite deposits are related...contain smectite and less feldspar, opal-CT, kaolinite, and illite. Progressive alteration of the PR2...various secondary minerals, including opal-CT, kaolinite, smectite (mainly montmorillonite), illite, quartz...Whitney and Evans, 2010). with minor amounts of kaolinite, pyrite, biotite fragments, and silica polymorphs...with each other. The Ca-bentonite contains rare kaolinite, albite and silica polymorphs (quartz and opal-CT) |  | | Journal (article/letter/editorial) | | near-coastal parts of the Swan Coastal Plain of the Perth region are of residual origin, developed from the weathering...surface sands of the Swan Coastal Plain in the Perth region, a project was initiated to examine the mineralogy...three main units from east to west in the Perth region: the Bassendean Dune System, Spearwood Dune System...Australia, except that the latter was laid down in a region that was subject to significant tectonic uplift...bodies in the region, while the latter dealt with an area of sands in the Geraldton region and also examined |  | | Journal (article/letter/editorial) | | CHARLESWORTH MaterialsResearch Laboratories, P.O. Box 50. Ascot Vale. 3032. Victoria. Australia (Received October...MATERIALS AND METHODS Samples of the clay minerals kaolinite, halloysite, muscovite and a calcium-rich montmorillonite |  | | Journal (article/letter/editorial) | | and SAMSON, H. R. (1953) The defiocculation of kaolinite suspensions and the accompanying change-over from...1957, 431-5. (Translated by Consultants Bureau, New York.) SILVA, S. R., and SPIERS, V. M., and GROSS... Defence Standards Laboratories, Box 50, P.O., Ascot Vale, W.2, Victoria, Australia). |  | de Caritat, Patrice, Kirste, Dirk, Carr, Graham, McCulloch, Malcolm (2005) Groundwater in the Broken Hill region, Australia: recognising interaction with bedrock and mineralisation using S, Sr and Pb isotopes. Applied Geochemistry, 20 (4) 767-787 doi:10.1016/j.apgeochem.2004.11.003 | Journal (article/letter/editorial) | | com/locate/apgeochem Groundwater in the Broken Hill region, Australia: recognising interaction with bedrock...mineralisation type). This study also highlights several new locations under sedimentary cover where these indicators...The area for the present study is the Broken Hill region, which is host to a single known supergiant Pb–Zn–...deposition, and an upper member with illite and kaolinite. The Namba Formation was deposited in low-energy...regolith and landscape features of the Broken Hill region are now being extensively studied. Recent works |  | | Book | | Industrial Minerals dredge pond, Lang Lang Deep lead mine dumps at Allendale Potential silica resource areas...Geological environments, favourable to exploration for new resources of these and other nonmetallic materials...ranking mineral sands province. It is important that new programs are undertaken as a matter of priority,...poorly researched materials which offer scope for a new or increased contribution to the State's mineral...An assessment of the potential for discovery of new, economically significant deposits, is based on the |  | | Report (issue) | | COLLECTOR Estrie and Gaspesie, Quebec; and parts of New Brunswick Ann P. Sabina 1992 © Minister of Supply...31 32 32 33 34 35 36 37 37 37 38 38 38 Sweet's mine Bedford limestone quarry Phillipsburg marble quarries...Freres quarries Ives mine Bolton (Canfield, Canadian) mine Huntingdon mine Van Reet mine Orford Lake road-cut...Lake Memphremagog (Smith's, Patton) mine Suffield (Griffith's) mine Lac Montjoie (Webster Lake) serpentine...serpentine occurrence Orford nickel mine Orford marble quarry Moe River placer deposit Capelton (Capel), Albert |  | | Report (issue) | | ... 171 D.R. Boyle The Green Mountain uranium district, Central Wyoming: type locality of solution front...sandstone and the Aphebian basement of the Key Lake mine and other uranium deposits in the eastern Athabasca...basement in comparison with the Athabasca Basin region .................................................publish these contributions. North America, the region dealt with in this meeting, is of eminent significance...exploration expenditures were expended in this region, while this percentage dropped to 33% in 1986. |  | | Book (edition) | | (296). ern Archaean District (304). Lower Ottawa District (308). Lake Ontario District (322). Erie and Huron...Huron District (321). M; nitoulin District (329). Northern Palseozoic Area (331). PROVINCE OF QUEBEC...Introductory Notice (333). GeoloNorthern Archtean District (336). District gical Subdivisions (335). of the Upper...Anticosti and Mingan District (342). Appalachian or Eastern Townships and Gaspe District Appendix: INDEX...line 15 P. 64, line 28 P. 71 : Sudbury district." du Loup, add (Beauce Co). Purple Copper Pyrites |  | | Journal (article/letter/editorial) | | are the altered feldspars as they weather to kaolinite and other clays. Because the feldspars have lower...dating. Proc. Fourth Int. Conf Ge~hron. Co~~m~hron. ascot Geol. I I - 13. EYAL Y. and FLEISCWBRR. L. (1985) |  | | Journal (issue) | | v/Dec2023 1. 98, No.6 - - - - - - - - ROCKS & MINE $12.95US $12.95CAN IIUJ ., . vww.tandfonlirie...tandfonlirie .com/vram MIM MUSEUM Vesuvianite Jeffrey Mine. Val-des-Sources. Les Sources RCM, Es t rie, Quebec...Francis Maine Mineral & Gem Museum, ME John Rakovan New Mexico Institute of Mining & Technology, Socorro... Museum of Natural History, CA Virgil W. Lueth, New Mexico Institute of Mining & Technology, Socorro...Names: Windmountainite: Wind Mountain, Otero County, New Mexico Derek D. V. Leung and Andrew M. McDona ld |  | | Report (issue) | | volcano-sedimentary depositional system, providing new U-Pb zircon geochronologic data, and concluding that...Stuhini Group rocks in the past-producing Scottie gold mine area near Stewart and a Hazelton Group stratigraphy...gaseous elemental mercury as an exploration tool with new surveys at the Lara-Coronation polymetallic volcanogenic...LA-ICP-MS zircon geochronology of the Scottie gold mine area, northwestern British Columbia ..............province). The Cordilleran Geoscience Section generates new knowledge through fieldand desk-based research activities |  | | Journal (article/letter/editorial) | | and structure in the Callie gold deposit, Tanami Region of northern Australia Nicholas C. Williams Received:...Soak goldfield of the Northern Territory’s Tanami Region, 550 km northwest of Alice Springs. The Callie...graphitic host rocks. Keywords Gold deposits . Tanami Region . Quartz veins . Graphite . Geochemistry Introduction...Dead Bullock Soak (DBS) goldfield in the Tanami Region of Australia’s Northern Territory (Fig. 1), 550...metamorphosed Archean and Paleoproterozoic rocks of the region host a Miner Deposita (2007) 42:65–87 number |  | | Journal (article/letter/editorial) | | versity College of, 102, 158 Acadian movements, Lake District faulting, 104, I Acid rain, and Mount Pinatubo...arawakianum, barnacle, sp.nov., 107, 253 Arctic region, brachiopods, Neocomian, 108, 212 Ardley Mbr.,...book review, 101, 94 Aston Limestone Formation, new name, Inferior Oolite, Cotswolds, 4 members, 108...Lower Greensa nd, Surrey , 109, 169 Berkshire , Ascot , GeoSci ence Ltd , Fiel d Meet ing, 101. 345 -...Birdlip Limestone Form ation , new name, Inferi or Ooli te, Co tswo lds , 5 new me mbers , lOS, 269, 274 Birkenhead |  | | Journal (issue) | | Claringbull and Hey announced the discovery of the new mineral, smhalite, which had previously lurked as...Hey and Payne announced the discovery of another new mineral, painite, found as a crystal by A.CD. Pain...in the mineralogical journals. Claringbullite, a new hydrated copper chloride mineral, was named in his...felt the same way about the merger. Now we have a new beginning and fresh fields to conquer. Setting about...the retirement of Anderson, Payne and Webster. The new staff staff had no experience with pearls and so |  | | Report (issue) | | county/Scottish region 104 Fig1 6 Production of common clay and shale by end use and by planning region 105...for shales became available; this opened up large new reserves of raw material for use by the structural...(Picard1 971 ), but in ancient argillaceous rocks new clay minerals may form as a result of diagenesis...silicates may be listed as: 1 . Kaolinite group, including kaolinite, and halloysite. 2. Mica group,...0.83 3.22 1.62 0.11 0.04 7.99 14.81 Notes: A Kaolinite, Lewistown, Montana, containing 2.56% impurities(Kerr |
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