 | | Journal (article/letter/editorial) | | Netherlands 133 An isotopic study of surficial alunite in Australia 2. Potassium-argon MICHAEL I. BIRD, ALLAN...MCDOUGALL University, Canberra, A.C.T. 2601 (Australia) (Received June 28,1989; revised and accepted...Geol. (Isot. Geosci. Sect.), 80: 133-145. alunite in Australia, 2. Potassium- The potential for dating...weathering and diagenetic events in Australia by the K/Ar dating of alunite-group minerals is assessed. Twenty-five...ages ranging from < 1 to 62 Ma. K/Ar dating of an alunite sample from a central Western Australian laterite |  | | Journal (article/letter/editorial) | | 1176-1 181, 1990 Origin of alunite- and jarosite-group minerals in the Mt. Leyshon epithermal gold deposif...deposif northeast Queensland,Australia KurH M. Scorr CSIRO Division of Exploration Geoscience,P.O. Box 136...North Ryde, New South Wales 2113, Australia Ansrrucr The origin of alunite-jarosite family minerals, found...in surface samples from the Mt. Leyshon Au deposit, northeast Queensland,has been determined using electron...textural data. The base-metal contents of the alunite-group minerals provide significant additional information |  | | Journal (article/letter/editorial) | | pages860-862, 1992 Origin of alunite- and jarosite-group minerals in the Mt. Leyshon epithermal gold deposit...deposit,northeastQueensland,Australia-Reply K. M. Scorr CSIRO Division of Exploration Geoscience,P.O. Box 136...136, North Ryde, New South Wales 21 13, Australia The paper by Scott (1990) sought to reconcile apparently...conflicting data about surficial alunites at the Mount Leyshon deposit. Critical featureswere a weathering age...have restatedtheir beliefthat all the alunite at Mount Leyshon is secondary and, by reassessing the Rb-Sr |  | Andrew, Anita S., Morrison, Gregg W., Whitford, David J., Bird, Michael J. (1992) Origin of alunite- and jarosite-group minerals in the Mt. Leyshon epithermal gold deposit, northeast Queensland, Australia-Discussion. American Mineralogist, 77 (7-8) 857-859 | Journal (article/letter/editorial) | | 857-859, 1992 Origin of alunite- and jarosite-group minerals in the Mt. Leyshon epithermal gold deposit...I 3, Australia GREGGW. Monnrsow Department of Geology, JamesCook University of North Queensland,Townsville...Townsville, Queensland48 I 1, Australia Dlvro J. Wnrrronn CSIRO Division of Exploration Geoscience,P.O....Box I 36, North Ryde, New South Wales 2 I 13, Australia Mrcnapr- I. Bmo Research Schoolof EarthSciences...AustralianCapitalTerritory2601,Australia Using the spatial distribution and composition of alunite-group minerals from |  | | Journal (article/letter/editorial) | | in U.S.A. An isotopic study of surficial alunite in Australia: 1. Hydrogen and sulphur isotopes MICHAEL...National University, GPO Box 4, Canberra, ACT 2601,Australia %.S.I.R.O., Division of Exploration Geoscience...Geoscience, P.O. Box 136, North Ryde, NSW 2 113, Australia ‘D~a~ment of Geology, The Australian National Unive~ity...Unive~ity, GPO Box 4, Canberra, ACT 260 1,Australia (Received June 20, 1988; accepted fplrevised form September...Abstract-A suite of alunite-group minerals from a variety of surficial environments in Australia has been analysed |  | | Journal (article/letter/editorial) | | 1499–1500, 2016 Highlights and Breakthroughs Alunite on Mars Kathleen C. Benison1,* Department of Geology...discovery of alunite [KAl3(SO4)2(OH)6] in Cross Crater on Mars. Because terrestrial alunite forms from...Al-rich acid saline martian waters. Keywords: Alunite, Mars, acid, brines, CRISM The idea of past water...featured in this issue, document their discovery of alunite [KAl3(SO4)2(OH)6], contributing significant evidence...infrared spectra of Cross Crater in the Terra Sirenum region of Mars. Spectral data were obtained by CRISM (Compact |  | | Journal (article/letter/editorial) | | 38, pp. 1298-1303 (2000) NOMENCLATURE OF THE ALUNITE SUPERGROUP: REPLY JOHN L. JAMBOR§ Department of...gratifying that the paper on the nomenclature of the alunite supergroup stimulated sufficient interest to prompt...that, whereas most of the known minerals in the alunite supergroup are rhombohedral, with a ≈ 7 Å and c...Classification of the Pb–Fe-dominant members of the alunite supergroup according to Scott’s (1987) system,...00-2188-16 1298 23/11/00, 13:18 NOMENCLATURE OF THE ALUNITE SUPERGROUP did not seem practical to extend this |  | | Journal (article/letter/editorial) | | Materials at Abandoned Mines: Croydon Au-Mines, QLD, Australia Anita Parbhakar-Fox Transforming the Mining Value...Tasmania, Private Bag 79, Hobart, Tasmania 7001, Australia; anitap1@utas.edu.au; Tel.: +61-400-850-831 Academic...materials at the abandoned Croydon Au-mines, Queensland were studied with the objectives of: (i) determining...Croydon Township, and 520 km west of Cairns, north Queensland (Figure 1A). The geology of the district comprises...mining had started at La Perouse, targeting 2.84 Mt of ore at 3.4 g/t Au [13]. However ore reserves were |  | | Journal (article/letter/editorial) | | Sciences (2002) 49, 623–660 Mineral systems of Australia: an overview of resources, settings and processes...WALSHE2 1 2 Geoscience Australia, GPO Box 378, Canberra, ACT 2601, Australia. CSIRO Division of Exploration...and Mining, PO Box 1130, Bentley, WA 6102, Australia. Australia produces more than 22 mineral commodities...relative timing of critical events. KEY WORDS: Australia, geodynamics, giant deposits, metallogeny, mineral...mineral systems, mineralisation. INTRODUCTION Australia is one of the world’s most important producers |  | | Journal (article/letter/editorial) | | , Bird, M.I.: Origin of alunite- andjarosite-groupmineralsin the Mt. Leyshon epithermalgold deposit,northeast...northeast Queensland,Australia-Discussion, 857 Angel, R.J.: Order-disorderand rhe high-pressure Pf-I...R.J.: Review of Inraplate Volcanismin Eastern Australia and New Tcaland.By R.W. Johnson,J. Knutson,and...lusungite groupfrom BrokenHill, New SouthWales,Australia, 556 Bird M.I..reeAndrew,A.S., 857 Bish, D.L....,a new mineralfrom syenitepegmatitein the Oslo Region,Norway, 43E Lawrence,V. seeBohlen,S.R., 877 lrf0vre |  | | Journal (article/letter/editorial) | | University of Queensland, Department of Earth Sciences, Brisbane, Queensland 4072, Australia; e-mail: paulo@sol...paulo@sol.earthsciences.uq.edu.au KEY WORDS: alunite, jarosite, Mn-oxides, paleoclimates, landscape evolution...dating minerals present in weathering profiles. Alunite-group sulfates and hollandite-group manganese oxides...allows the study of weathering profiles where alunite- and hollandite-group minerals occur as minor phases...100 m deep in some regions of South America, Australia, and Africa. Their complex chemical stratigraphic |  | | Book | | Interpretation 123 Roger Taylor Townsville Queensland 4810 Australia ISBN 978-3-642-01782-7 e-ISBN 978-3-642-01783-4...SPONSORS Aberfoyle Resources Limited Homestake Australia Ltd ABX Exploranciones Ivanhoe Mines Ltd Acacia...Cook University Anglo American Exploration (Australia) Pty Ltd Metana Minerals NL ARIMCO Mining Pty...Institute of Mining and Metallurgy (North Queensland Branch) Mount Leyshon Gold Mines Ltd Aztec Mining Company...Company Ltd Battle Mountain (Australia) Inc Barrick Gold Corporation (Australia) BHP Pty Ltd BHP Billiton |  | | Journal (article/letter/editorial) | | (Richmond Hill, South Dakota) to 345 Ma (Yandan, Australia). Panel C shows hypothetical depth-time paths...Sillitoe et al., 1998). The Charters Towers goldfield in Queensland, Australia, which has been described...K-Ar or Ar-Ar analyses of K-feldspar, K-mica, or alunite. Age measurements for a few older deposits were...found only in a few areas, including northern Queensland (Pajingo), where they are unmetamorphosed and...the Lachlan fold belt (Temora, Peak Hill) in Australia and the Slate belt (Brewer, Haile, Ridgeway) in |  | Schwab, R.G., Pimpl, T., Schukow, H., Stolle, A., Breitinger, D.K. (2004) Compounds of the crandallite-type: Synthesis, properties and thermodynamic data of pure crandallite and woodhouseite. Neues Jahrbuch für Mineralogie - Monatshefte, 2004 (9) 385-409 doi:10.1127/0028-3649/2004/2004-0385 | Journal (article/letter/editorial) | | important members of the crandallite, woodhouseite and alunite series. Mineral name Idealized chemical composition...(1966) Schmetzer et al. (1980) alunite series natroalunite alunite huangite walthierite NaAl3(SO4)2(OH)6...al. (1992) 388 R. G. Schwab et al. Fig. 2. Alunite/crandallite/woodhouseite-structure with the elementary-cell...understood from the crystal structure. It is of the alunite-type and crystallizes in space group R 3̄m or R3m...alkali(and other M + -) ions cannot be incorporated as alunite component; they have to enter other minerals like |  | | Journal (article/letter/editorial) | | quartz with accessory diaspore, pyrophyllite, alunite, illite, sulfides and calcite. Intergrowth of blocky...pyrophyllite, with accessory smectite, diaspore, alunite, anatase, dumortierite, along with abundant sulfides...adapted for the far-IR experiment. For the mid-IR region, IR spectra were recorded in the range 400 4000...1990; Laperche and Prost, 1991). For the far-IR region, pellets consisting of 1 vol.% of kaolin sample...absorption spectra were recorded in the 50 200 cm 1 region, with resolution of 0.5 cm 1. During all the experiments |  | Schwab, R. G., Pimpl, T., Schukow, H., Stolle, A., Breitinger, D. K. (2005) Compounds of the crandallite-type: Synthesis, properties and thermodynamic data of Ca – Sr – Ba – Pb-(arseno)-woodhouseites. Neues Jahrbuch für Mineralogie - Abhandlungen, 181 (3) 207-218 doi:10.1127/0077-7757/2005/0018 | Journal (article/letter/editorial) | | (HPO4)(PO4)(OH)6), woodhouseite (CaAl3 (SO4)(PO4)(OH)6) and alunite (KAl3 (SO4)(SO4) (OH)6) crystallize in the same...Ca2 + in crandallite and woodhouseite and K + in alunite. The structure enables a wide range of ionic substitutions...morphological peculiarity of the Eastern Amazon Region (Schwab et al. 1989) can also been explained over...mountains”. The reason is that the gold of the region occurs in gold – quartz-veins with associated arsenopyrite...all lateritic gold deposits of the Eastern Amazon region, known so far, are bound either to such a table-mountain |  | Lawrie, K.C., Mernagh, Terrence P., Ryan, Christopher G., Achterbergh, Esme van, Black, Lance P. (2007) Chemical fingerprinting of hydrothermal zircons: an example from the Gidginbung high sulphidation Au-Ag-(Cu) deposit, New South Wales, Australia. Proceedings of the Geologists' Association, 118 (1) 37-46 doi:10.1016/s0016-7878(07)80045-9 | Journal (article/letter/editorial) | | sulphidation Au-Ag-(Cu) deposit, New South Wales, Australia K. C. Lawrie", Terrence P. Memagh/, Christopher...Au- Ag-(Cu ) deposit in the Lachlan Fold Belt, Australia. Their hydrothermal origin is demonstrated by...Canberra, ACT 260 1. Australia 2Geoscience Australia, PO Box 378, Canberra, ACT 2601. Australia 3CS IRO Division... Monash University, Clayton, Victoria, 3168, Australia 4Rio Tinto Technical Services, 1 Research A venue...venue, Bundoora, Victoria, 3083, Australia 1. INTRODUCTION Isotopi c dating of metallogenic events on |  | | Journal (article/letter/editorial) | | TASMAN FOLD BELT SYSTEM IN QUEENSLAND C.G. MURRAY Geological Survey of Queensland, G.PO. Box 194, Brisbane...Brisbane, Qld. 4001 (Australia) (Accepted for publication F e b r u a r y 26, 1986) Abstract Murray, C.G....o p m e n t of the Tasman Fold Belt System in Queensland. In: E. Scheibner (Editor), Metallogeny and T...T e c t o n i c Development of Eastern Australia. Ore Geol. Rev., 1: 315--400. The n o r t h e r n part...part of the Tasman Fold Belt System in Queensland comprises three segments, the T h o m s o n , Hodgkinson-- |  | | Journal (article/letter/editorial) | | with Variable Al3+ Content: The Transition to Alunite Franca Jones Curtin Institute of Functional Molecules...Curtin University, GPO Box U1987, Perth WA 6845, Australia; F.Jones@curtin.edu.au; Tel.: +61-8-9266-7677;...study focused on the formation of the jarosite-alunite solid solution at relatively low temperature, 90...was found that the transition from jarosite to alunite results in significant changes in the powder X-ray...morphology of pure alunite. This morphology has not been previously observed for alunite and most likely |  | | Report (Issue volume) | | + 4, Mineral Fe # — of Australia and™ Papua New Guinea ...O02unse Geology of the Mineral Deposits of Australia and Papua New Guinea The COVER PHOTOGRAPH shows...Economic Geology of Australia Guinea — 1. Metals 6.* Economic Geology of Australia Guinea — 2. Coal 7...Economic Geology of Australia Guinea — 3. Petroleum 8.* Economic Geology of Australia Guinea — 4. Industrial...New Zealand Geology of the Mineral Deposits of Australia and 1982 Eds D.A. Berkman and W. Ryall Ed. D |  | Nzeukou Nzeugang, A., Ouahabi, M. El, Aziwo, B., Mache, J.R., Mefire Mounton, H.S., Fagel, N. (2018) Characterization of kaolin from Mankon, northwest Cameroon. Clay Minerals, 53 (4) 563-577 doi:10.1180/clm.2018.45 | Journal (article/letter/editorial) | | kaolinite/halloysite 17 and anatase associated with alunite, illite, gibbsite and maghemite. The kaolin samples... 57 58 GEOLOGICAL SETTING 59 The North-West region lies on the central part of the Cameroon Volcanic...Trace anatase (1-5%, 159 main peak at 3.51Ǻ) and alunite (2%, main peak at 5.71 Ǻ) are also present, while...of kaolinite, illite 166 anatase, gibbsite, alunite and feldspars. The spectra display four strong...kaolinite (Famer, 1974) in the OH-stretching 168 region, though the bands at 3669 and 3650 cm−1 appear |  | | Report (issue) | | geochemistry of acid-sulfate alteration and vein forming alunite by Robert O. Rye 1 Philip M. Bethke2 Michael D...wall-rock alteration, characterized by the assemblage alunite+kaolinite+ quartz±pyrite, results from base-leaching...andesitic volcanic terrains. In addition, coarse vein alunite may form in a magmatic-steam environment from rapid...oxygen in the carapace of a volcanic edifice. Alunite [KAh(SO4)2(OH)fil contains four stable isotope...measurements have been made on nearly 200 samples of alunite and associated minerals from 20 localities and |  | Bethke, Philip M., Rye, Robert O., Stoffregen, Roger E., Vikre, Peter G. (2005) Evolution of the magmatic-hydrothermal acid-sulfate system at Summitville, Colorado: integration of geological, stable-isotope, and fluid-inclusion evidence. Chemical Geology, 215 (1) 281-315 doi:10.1016/j.chemgeo.2004.06.041 | Journal (article/letter/editorial) | | enclosed sequentially by alteration zones of quartz–alunite, quartz–kaolinite, and clay. The acidsulfate-altered...sulfur isotopes between coexisting alunite and pyrite. A deep alunite–pyrite pair yielded a sulfur-isotope...0x. The d 34S values of coexisting alteration alunite and pyrite are 18.2x to 24.5x and 8.1x to 2.2x...the original rockbuffered fluid. The dDH2O of alunite parent fluids was near 45x and their d 18O ranged...unexchanged meteoric water. The low dD values of some alunite samples are interpreted to result from postdepositional |  | | Journal (article/letter/editorial) | | of alteration/mineralization are: a kaolinite-alunite rock (possibly advanced argillic alteration) that...NS323), is a cream yellow-light brown kaolinite-alunite-garnet rock that locally has a planar fabric defined...present in jarosite schist but not in the kaolinite-alunite rocks, suggesting the presence of higher-temperature...and underground workings is whether the sulfates alunite and jarosite are weathering products after sulfide...products. The gangue assemblage of kaolinite, alunite, jarosite, and opal is characteristic of advanced |  | | Journal (article/letter/editorial) | | 40Ar/39Ar analysis of supergene jarosite and alunite: Implications to the p~eoweathering history of...revisedform July 18, 1993 ) Abstract-Supergene alunite ( KA13(SO,k( OH)e) and jarosite ( KFe3( S04)2(...the hollandite-group manganese oxides and the alunite-group sulfates. Dating of hollandite-group minerals...VASCONCELOSet al., 1992, 1993a). Jarosite and alunite, although not as abundant as K-Mn oxides, are often...detailed geochronology of supergene The minerals alunite and jarosite (general formula AB,( SO4)2( OH),) |
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