 | | Journal (article/letter/editorial) | | Franciscan of the Laytonville District, Mendocino Co., Califomia (ebs.) Ahrens, L. H. (Book revieu') Akhmanova...Pavlenko, A. S., Or lova, L. P. and Tobelko, K. I. Albite, deformation bands in (Seifert) . . .. Alexandrite...California Stinson, NI. C. and Matthews, R. A. Seven new barium miuerals from eastern Fresno County, Californier...Stinson, M. C. Matthews, R. A. and Pabst, A. Seven new barium minerals from eastern Fresno County, California...car1972 bonatite and related rocks . Andorite, a new occurrence of (Willianrs) Andradite, zr r.ater-bearing |  | | Journal (article/letter/editorial) | | & Francis Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered office: Mortimer...Geoscience Journal of the Geological Society of Australia Publication details, including instructions for...extensional basin sequence: The Manning Group, southern New England Orogen R. B. Jenkins a a b & R. Offler...NSW, 2308, Australia b Sunshine Coast University College , Locked Bag 4, Maroochydore South, Qld, 4558...4558, Australia Published online: 09 May 2007. To cite this article: R. B. Jenkins & R. Offler (1996) |  | | Journal (article/letter/editorial) | | & Francis Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered office: Mortimer...Geoscience Journal of the Geological Society of Australia Publication details, including instructions for...mineralisation events at the New Celebration gold deposits in Western Australia a b S. J. Nichols & S.... G. Hagemann a La Mancha Resources Australia Pty Ltd, PO Box 10398, Kalgoorlie WA 6430 b Centre for...Environment, The University of Western Australia, Crawley, WA 6009, Australia Published online: 11 Mar 2014. |  | | Report (issue) | | Carbonatite (82M/7, 10) Geochemistry Dating Mount Copeland Nepheline Syenite Gneisses (82M/2) Nepheline Syenite...Geology of the area south of Paradise Lake 46 Figure 10b. Cross-section A-A*, area south of Paradise Lake...composition of selected rocks from the 56 Mount Copeland syenite complex 62 Table 11. Chemical analyses...vermiculite and zirconium oxide are produced at Palabora, South Africa (Heinrich, 1966; Currie, 1976a). Nepheline...describe the host rocks of diamonds at Kimberley, South Africa. Since that time many rocks carrying olivine |  | Och, D. J., Leitch, E. C., Caprarelli, G., Watanabe, T. (2003) Blueschist and eclogite in tectonic melange, Port Macquarie, New South Wales, Australia. Mineralogical Magazine, 67 (4) 609-624 doi:10.1180/0026461036740121 | Journal (article/letter/editorial) | | in tectonic melange, Port Macquarie, New South Wales, Australia D. J. OCH1,*,{, E. C. LEITCH1, G. CAPRARELLI1... University of Technology, Sydney, NSW 2007, Australia Earth and Planetary Sciences, Graduate School...chlorite-actinolite-calcite-quartz-titanite-white mica ± albite ± talc. M1 – M3 occurred at a Neoproterozoic–Early...metamorphic rocks, Port Macquarie, New England Fold Belt, Australia. Introduction ROCKS that crop out...subduction complex that occurs widely in NE New South Wales and coastal Queensland and which, together |  | | Journal (article/letter/editorial) | | Stellenbosch University, Private Bag X1, Matieland 7602, South Africa a r t i c l e i n f o Article history:...rocks between ~155 and 50 Ma. This dataset puts new constraints on the timing of carbonatite and alkaline...niobium/tantalum at the time. However, since then new carbonatite bodies have been identified and the rapid...carbonatite and/or alkaline complexes from north to south are: 1 — Kechika area, 2 — Aley, 3 — Lonnie and...Mountain, 7 — Perry River and Mount Grace, 8 — Mount Copeland, 9 — Three Valley Gap, 10 — Ice River Complex |  | | Journal (article/letter/editorial) | | the epithermal trace element suite (Au, Ag, As, Bi, Co, Cr, In, Mo, Ni, Sb, Sn, Te). Darker sphalerite (4...exceptions (e.g., Bathurst, New Brunswick, McClenaghan et al. 2006, 2009; Ming Mine, New- foundland, Brueckner...lapilli tuffs (Squires & Moore 2004, Copeland et al. 2008a, Copeland et al. 2008b, Gill & Piercey 2014)...to be an exhalative, chemical sedimentary unit (Copeland et al. 2008b, Lode et al. 2015). Minor base and...pyrrhotite-arsenopyrite 6 chalcopyrite) (Copeland et al. 2008a, Copeland et al. 2008b, Lode et al. 2015). These |  | | Journal (article/letter/editorial) | | Zn-Pb-Cu and Mount Lyell Cu deposits, Tasmania, Australia C. Perkins Department of Geology and Research...AustralianNational University,Canberra, ACT 0200, Australia Received: 5 October 1994/Accepted: 29 March 1995...Zn-Pb-Cu and Mount Lyell Cu deposits, Tasmania, Australia, has determined a succession of deformation events...widespread crustal shortening in southeastern Australia, as established from the dating of alteration...Middle Cambrian Mount Read Volcanics, Tasmania, Australia (Fig. 1), are richly mineralized with polymetallic |  | Wu, Fu-Yuan, Liu, Xiao-Chi, Liu, Zhi-Chao, Wang, Ru-Cheng, Xie, Lei, Wang, Jia-Min, Ji, Wei-Qiang, Yang, Lei, Liu, Chen, Khanal, Gautam Prashad, He, Shao-Xiong (2020) Highly fractionated Himalayan leucogranites and associated rare-metal mineralization. Lithos, 352. 105319 doi:10.1016/j.lithos.2019.105319 | Journal (article/letter/editorial) | | Occurring along the Himalayan mountain crest in the south and the Lhagoi Kangri mountain in the north, the...magma ascended with the Indian crust along the South Tibetan Detachment System (STDS), during which time...Pr is bound by the Main Boundary Thrust to the south and the Main Central Thrust (MCT) to the north,...1998). The HHS is bound by the MCT to the south and the South Tibetan Detachment System (STDS) to the north...the THS, which is located between the STDS to the south and the Yarlung–Zangbo Suture to the north. The |  | Cloutier, Jonathan, Piercey, Stephen J., Lode, Stefanie, Vande Guchte, Michael, Copeland, David A. (2017) Lithostratigraphic and structural reconstruction of the Zn-Pb-Cu-Ag-Au Lemarchant volcanogenic massive sulphide (VMS) deposit, Tally Pond group, central Newfoundland, Canada. Ore Geology Reviews, 84. 154-173 doi:10.1016/j.oregeorev.2017.01.010 | Journal (article/letter/editorial) | | Stefanie Lode a, Michael Vande Guchte b, David A. Copeland b a b Department of Earth Sciences, Memorial...three-dimensional framework. In addition, this study presents new geochemical data obtained at the Lemarchant deposit...the primary origin for mineralised zones, provides new information on the tectonic evolution of the Tally...and the Appalachian mountain belt, and generates new exploration concepts for VMS deposits. The results...mountain belt of central Newfoundland, Canada (Fig.1; Copeland, 2008). The Dunnage Zone is bounded by the Humber |  | | Journal (article/letter/editorial) | | Kroenke, L., Intermediate-wavelength (400-600 km), South Pacific geoidal undulations: their relationship...and Shipunov, S.V., Fold test in paleomagnetism: new approaches and reappraisal of data Becker, K., see...The Largs high-latitude oxygen isotope anomaly (New Zealand) and climatic controls of oxygen isotopes...estimation applied to S- and I-type granites from Australia Burnell, D.K., see Lowell, R.P. and Burnell, D...R., Diffusion of Ar in rhyolite, orthoclase and albite composition glasses Casenave, A., see Biancale |  | Yang, Zhiming, Hou, Zengqian, White, Noel C., Chang, Zhaoshan, Li, Zhenqing, Song, Yucai (2009) Geology of the post-collisional porphyry copper–molybdenum deposit at Qulong, Tibet. Ore Geology Reviews, 36 (1) 133-159 doi:10.1016/j.oregeorev.2009.03.003 | Journal (article/letter/editorial) | | Tasmania, Private Bag 79, Hobart, Tasmania 7001, Australia Institute of Mineral Resources, Chinese Academy...Ma) (Schärer et al., 1984) were developed from south to north, suggesting northward subduction of the...1984; Harrison et al., 1992). Cenozoic magmatism in south Tibet is represented by the voluminous subhorizontal...exhumation of the Gangdese arc batholiths at 18–21 Ma (Copeland et al., 1987; Harrison et al., 1992), east–west...contact metamorphism (Fig. 3A), mainly occurs in the south-central part of the district (Fig. 2A) that hosts |  | Baker, T., Perkins, C., Blake, K. L., Williams, P. J. (2001) Radiogenic and Stable Isotope Constraints on the Genesis ofthe Eloise Cu-Au Deposit, Cloncurry District, Northwest Queensland. Economic Geology, 96 (4) 723-742 doi:10.2113/gsecongeo.96.4.723 | Journal (article/letter/editorial) | | North Queensland, Townsville, Queensland 4811, Australia C. PERKINS,* Department of Geology and Research...Australian National University, Canberra, A.C.T., Australia 0200 K. L. BLAKE, AND P. J. WILLIAMS Economic...Queensland, Townsville, Queensland 4811, Australia Abstract 40 39 New radiogenic ( Ar/ Ar) and stable (oxygen...from south to north, thus reflecting the zoned alteration system (magnetitepyrite-rich in the south through...and Energy, GPO Box 858, Canberra, A.C.T. 2601, Australia. 0361-0128/01/3156/723-20 $6.00 magnetite-rich |  | | Journal (article/letter/editorial) | | Orogeny in west Texas Stephen W. Grimes a,∗ , Peter Copeland b b a Department of Geological Sciences, University...northeastern US, and shearing in the Natal Province, South Africa, suggesting ultimate closure of the Grenville...1016/j.precamres.2003.12.004 24 S.W. Grimes, P. Copeland / Precambrian Research 131 (2004) 23–54 Fig....the new results to yield a complete picture of P–T conditions in the CMG. The major sources of new metamorphic...after, or as a continuation of, S.W. Grimes, P. Copeland / Precambrian Research 131 (2004) 23–54 the reverse-motion |  | | Journal (article/letter/editorial) | | plagioclase from a mafic granulite near Broken Hill, Australia (Harrison and McDougall, 1981). Although the apparent...Huttenlocher exsolution: modulated lamellae of pure albite and pure anorthite together with coarser lamellae...domain sizes. Calculated agespectra arising from this new theory revealed that many, and perhaps most, K-feldspar...colleagues, Matt Heizler, Suzanne Baldwin, Peter Copeland, Dave Foster, Oscar Lovera and Frank Richter greatly...Geol., 97: 232-243. Foster, D.A., Harrison, T.M., Copeland, P. and Heizler, M.T., 1990. Effects of excessargon |  | | Journal (article/letter/editorial) | | can retain radiogenic Pb (Pb') through anatexis (Copeland et al., 1988). However, it has been known for...conditions and does not begin to reappear until albite-epidote amphibolite-facies conditions are reached... 1986; Sawka et al., 1986; Rapp et al., 1987; Copeland et al., 1988; Eusden and Barreiro, 1988). Although...could retain inherited Pb" throughout anatexis. Copeland et al. (1988) later clearly documented that monazite...Sawka et al., 1986), and does not reappear until albite-epidote-amphibolite-facies or staurolite-zone conditions |  | | Journal (article/letter/editorial) | | the granitoid rocks of the Lachlan Fold Belt, Australia: An electron microprobe study Aaron B. Kelts,...and S-type granitoids of the Lachlan Fold Belt, Australia, whose petrology and zircon chronology have been...inherited monazite component within igneous rocks (Copeland et al. 1988; Harrison et al. 1995; Kalt et al...of the Lachlan Fold Belt (LFB), southeastern Australia. These rocks were chosen because they have been...post-breakup volcanism and reactivation. Rifting of Australia from another large continent (possibly Laurentia) |  | | Journal (article/letter/editorial) | | southeasterly domain in the Adirondack Mountains of New York State, hosts a number of unusually large and...mylonite zone. N.S.: Nova Scotia, N.B.: New Brunswick, N.J.: New Jersey, R.I.: Rhode Island, CT: Connecticut...Connecticut, MA: Massachusetts, N.H.: New Hampshire, VT: Vermont Petrogenesis of the Platinova skarn 143...pyrrhotite. trace amounts Fine-grained, Pl is albite partly altered to biotite and sericite Bt þ Mu...characterizes this assemblage. b Albite (Pl), calcite and quartz. Albite encloses small calcite grains. |  | | Report (issue) | | and faults of the foothill belt ______________ _ Copeland Creek and Cartertown anticlines ____ _ Chestnut...subsiding basin. They thin markedly toward the south and east, where they are overlain and finally overlapped...the ·area are succeeded southward by rocks of the albite-epidote-amphibolite and amphibolite facies. Pelitic...the north to kyanite-Sitaurolite schist at the south, where even mas·sive sandstone and conglomerate...metamorphi·sms seem to have been about equal ·to the south. The distribution 'of metamorphic biotite .suggests |  | Moreto, Carolina P. N., Monteiro, Lena V. S., Xavier, Roberto P., Creaser, Robert A., DuFrane, S. Andrew, Melo, Gustavo H. C., Delinardo da Silva, Marco A., Tassinari, Colombo C. G., Sato, Kei (2015) Timing of multiple hydrothermal events in the iron oxide–copper–gold deposits of the Southern Copper Belt, Carajás Province, Brazil. Mineralium Deposita, 50 (5) 517-546 doi:10.1007/s00126-014-0549-9 | Journal (article/letter/editorial) | | porphyry dykes. Extensive hydrothermal zones include albite–scapolite, biotite–scapolite–tourmaline–magnetite...bodies), with typical sodic–calcic alteration (albite–actinolite) associated with massive magnetite–(apatite)...of two Archean domains: Rio Maria Domain in the south and Carajás Domain (Fig. 1) in the north. The Rio...initially undergone extensive sodic (albite–hematite), sodic–calcic (albite–actinolite), and magnetite–apatite... 2012). They encompass weakly developed sodic (albite–scapolite) alteration followed by intense potassic |  | | Journal (article/letter/editorial) | | overlying Paleoproterozoic Cape Smith Belt (lowerplate, south-verging thrust belt), thermal-peak mineral growth...1994, St-Onge & Lucas 1995, Wodicka et al. 1997, Copeland 1999) that both predate and are synchronous with...Ramsay River orthogneiss, NA: Narsajuaq arc, NQO: New Quebec Orogen, SP: Superior Province basement. (1992)...present only as ≤1 mm ragged relict grains. The new assemblage comprises garnet – clinopyroxene – hornblende...(Bégin 1992): (1) actinolite – albite, (2) hornblende – actinolite – albite, (3) hornblende – actinolite |  | Hébert, Réjean, Guilmette, Carl, Dostal, Jaroslav, Bezard, Rachel, Lesage, Guillaume, Bédard, Émilie, Wang, Chengshan (2014) Miocene post-collisional shoshonites and their crustal xenoliths, Yarlung Zangbo Suture Zone southern Tibet: Geodynamic implications. Gondwana Research, 25 (3) 1263-1271 doi:10.1016/j.gr.2013.05.013 | Journal (article/letter/editorial) | | tectonic regime led to the development of north–south-trending graben and a normal fault network and triggered...and some trace elements (Ba, Sr, Rb, Zr, Y, Cr, Ni, Co, V, and Zn) at the Regional Geochemical Center of...zoned plagioclase (An77–40) partially replaced by albite (An 0–4), pleonaste (Al2O3 55 wt.%, FeO 26 wt.%...TiO2 Al2O3 Fe2O3 MnO MgO CaO Na2O K2O P2O5 LOI Cr Ni Co V Pb Zn Rb Ba Sr Ga Ta Nb Hf Zr Y Th La Ce Pr Nd...fine-grained matrix mostly made of quartz, K-feldspar and albite– oligoclase with minor apatite and zircon. Amphiboles |  | | Journal (article/letter/editorial) | | 199I-the right to collect in the Sawtooth Mountains of south-central Idaho. Although known by a few collectors...scheelite. Little Goose Creek Canyon, 5 miles east of New Meadows, placer deposits: chromite, CORUNDUM, diamond...magnetite, monazite, and zircon. Peacock mine (also South Peacock), Seven Devils district, in the mountains...EPIDOTE, and GROSSULAR. Pinehurst, for a few miles south, in basalt outcrops and road cuts along Highway...district: chalcanthite and sulfur. Rock Flat, east of New Meadows along Brundage Mountain Road: corundum, quartz |  | Moreto, C. P. N., Monteiro, L. V. S., Xavier, R. P., Creaser, R. A., DuFrane, S. A., Tassinari, C. C. G., Sato, K., Kemp, A. I. S., Amaral, W. S. (2015) Neoarchean and Paleoproterozoic Iron Oxide-Copper-Gold Events at the Sossego Deposit, Carajas Province, Brazil: Re-Os and U-Pb Geochronological Evidence. Economic Geology, 110 (3) 809-835 doi:10.2113/econgeo.110.3.809 | Journal (article/letter/editorial) | | Exploration Target, University of Western Australia, Perth 6009, Australia Abstract The Sossego iron oxide-copper-gold...characterized by deep-emplaced magnetite-(apatite) and albite-actinolite-rich zones, whereas the Sossego-Curral...undergone regional sodic (albite-hematite) and sodic-calcic (actinolite-hastingsite-albite) alteration. This...deposits and their host rocks. These results provide new insights into the timing of IOCG formation at the...breccia bodies with halos of sodic (albite), sodic-calcic (albite-actinolite), and potassic (biotite or |  | | Book | | Giibelin ~ ~ VAN NOSTRAND REINHOLD _ _ _ _ _ _ _ New York Copyright © 1990 by Van Nostrand Reinhold...Fifth Avenue New York, New York 10003 Van Nostrand Reinhold International Company Limited 11 New Fetter Lane...480 La Trobe Street Melbourne, Victoria 3000, Australia Nelson Canada 1120 Birchmount Road Scarborough...Formed from Surface Water: 19 The Opals of Australia PART II Gemstones of Igneous-Hydrothermal Origin...129 The Diamond Deposits of Argvle, Western Australia Index 141 FOREWORD Each gem deposit-whether |
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