 | | Journal (article/letter/editorial) | | Department, M onash Uniuersity Clayton, Victoria 3168,Australia IeN E. GnEv CSIRO, Diuisionof MineralChemistry... P.O. Box 124 Port Melbourne, Victoria 3207, Australia InN H. CeNrpssLL'ANDPATRIcKKEU-v Earth SciencesDepartment...Uniuersity of Melbourne Parkuille, Victoria 3052, Australia Abstract Loveringite, a new calcium iron titanate...titanate, was discoveredin the Jimberlana Intrusion near Norseman, Western Australia. The unit-cell composition...phasesoccurring in the Jimberlana Intrusion near Norseman in Western Australia, we identified a mineral |  | | Journal (article/letter/editorial) | | 1118-1141 Precious Metals in the Jimberlana Intrusion, Western Australia: Implications for the Genesis of...the distribution of Ir, Pd, and An in the Jimberlana Intrusion has shown that Pd and Au partition strongly...sulfide horizons from the center of the Jimberlana Intrusion is high but appreciably less than that of...somelight on the the specific section of the intrusion which conorigin of economic precious metal horizons...precious metals The Jimberlana Intrusion is a layered, horithroughout an entire intrusion and by correlat- |  | | Journal (article/letter/editorial) | | ase-pyroxene cumulates from some intrusions (e.g. Jimberlana and Stillwater) may be inverted with the light...cumulates from the steeply dipping marginal zone of Jimberlana, which cannot have formed by gravity settling...found in the flatly dipping central layers of the intrusion. Similarly, it is difficult to explain the cumulate...in the 'overterued' marginal layered series of Jimberlana. (4) Igneous layering, including cross-bedding...writer, while working on the Jimberlana Intrusion of Western Australia (Campbell et al. 1970; Campbell |  | | Journal (article/letter/editorial) | | and Cumulate Processes in the Jimberlana Intrusion, Western Australia. Part I: The Upper Layered Series...March 1976) The upper layered series of the Jimberlana Intrusion rests unconformably on the lower layered...Bushveld Complex of South Africa, and the Rhum Intrusion of Northwestern Britain (Wager & Brown, 1968)...and lower layered series of the Jimberlana Intrusion, Western Australia, is a positive example of multiple...absorption spectroscopy at the Kalgoorlie laboratory of Western Mining Corp. Ltd. Inter-laboratory checks made |  | | Journal (article/letter/editorial) | | ing accessory phase from the Jimberlana Intrusion of Western Australia I. H. CAMPBELL* AND P. R. KELLY...University of Melbourne, Parkville, Victoria 3052, Australia SUMMARY. The distribution and geochemistry of...U and rare-earth elements (Ln) from the Jimberlana Intrusion, have been studied. Loveringite is most...in trace amounts in early plagioclase-augite-hypersthene cumulates, but is not found in the olivine cumulates...compared with those from the plagioclase-augite-hypersthene cumulates, suggesting that the mineral is stabilized |  | | Journal (article/letter/editorial) | | the Lower Layered Series of the Jimberlana Intrusion, Western Australia I. II. Campbell* a n d G. D. Borley...dominant and variations in the A1a+ content of the Jimberlana pyroxenes correspond closely with the expected...by its size. The narrow miscibility gap of the Jimberlana pyroxenes and the high En content of the Ca-poor...k m wide a n d is located n e a r Norseman, W e s t e r n Australia. Vertically J i m b e r l a n a 1...Kalgoorlie, Western Australia, 6430. 1 Hereafter Jimberlana refers to the Jimberlana Intrusion. 282 I |  | | Journal (article/letter/editorial) | | 1991 Ti-rich chromite from the Mount Ayliff Intrusion, Transkei: Further evidencefor high Ti tholeiitic...Deposits, University of Western Australia, Nedlands, Western Australia 6009, Australia Ansrucr Four profiles...the lower picritic portion of the Mount Ayliff Intrusion from the Karoo Igneous Province of South Africa...residual liquid have been documented in detail (Jimberlana and Rhum Intrusions), there are no analysesof...lava lakes. It is suggestedthat the Mount Ayliff Intrusion formed from at least two injections of magma of |  | | Journal (article/letter/editorial) | | on Composition of Chrome-spinels from the Jimberlana Intrusion fey PETER L. ROEDER AND IAN H. CAMPBELL*...some cumulate rocks from the Jimberlana intrusion in Western Australia from the time that chromite, olivine...and orthocumulates from drill core of the Jimberlana intrusion have been analysed and related to the cumulate...(1975) described how chromites from the Rhum intrusion showed two post-cumulus trends: an aluminous trend...nature of the enclosing silicate phase. The Jimberlana intrusion has been described in some detail by Campbell |  | | Journal (article/letter/editorial) | | in 1940 near Moama, southern New South Wales, Australia. The texture and mineralogy (plagioclase 49.1...adcumulate formed in a terrestrial layered igneous intrusion. Its composition and texture most closely resemble...(fine) augitic exsolulion lamellae in the host hypersthene grains indicate a cooling history for the Moama...M. Martin of Moama (southern New South Wales, Australia) found a beautifully preserved meteorite in a...University of Melbourne, Parkville, Victoria 3052, Australia. Meteoritics, Vol. 10, No.2, June 30, 1975 101 |  | | Journal (article/letter/editorial) | | Geological Survey of Western Australia, 100 Plain Street, East Perth, WA 6004, Australia Centre for Exploration...University of Western Australia, 35 Stirling Highway, Crawley, WA 6009, Australia Geoscience Australia, GPO Box...Box 378, Canberra ACT 2601, Australia a r t i c l e i n f o Article history: Received 17 December...2012 Keywords: Large Igneous Provinces (LIPs) Australia Layered intrusions Dyke swarms Silicic LIPs Mineral...Early Archean to Recent. LIPs in continental Australia are represented by continental flood basalts, fragments |  | Snyder, Gregory A., Taylor, Lawrence A., Jerde, Eric A., Sharkov, E. V., Liachovitch, V. V., Ledneva, G. V. (1995) Petrology and Chemistry of an Early Proterozoic Lherzolite-Gabbronorite-Anorthosite Pluton of the White Sea Complex, Northern Karelia, Russia. International Geology Review, 37 (6) 547-560 doi:10.1080/00206819509465417 | Journal (article/letter/editorial) | | similar age worldwide, including the Stillwater intrusion, Montana, USA. Thus, this character of magmatism...the intrusion. A small block (1 x 1.5 m) of "eruptive" breccia (angular xenoliths of a hypersthene porphyry...contact zone. There is no evidence of a similar hypersthene porphyry among the country rocks of the Belomorian...leucocratic gabbronorites, along with xenoliths of hypersthene porphyry and cross-cutting garnet amphibolite...plagiogneisses; 6 = contacts; 7 = breccia of hypersthene porphyry; 8 = initial schistosity and layering |  | | Journal (article/letter/editorial) | | Article Loveringite from the Khamal Layered Mafic Intrusion: The First Occurrence in the Arabian Shield, Northwest...Mg)21 O38 , was found in the Khamal layered mafic intrusion, the first known locality for this mineral in...in the Arabian Shield. The Khamal intrusion, a large post-collisional mafic complex, is lithologically...Keywords: Arabian Shield; layered mafic intrusion; Khamal intrusion; olivine gabbro; loveringite Citation:...D. Loveringite from the Khamal Layered Mafic Intrusion: The First Occurrence in the Arabian Shield, Northwest |  | | Journal (volume) | | intrusions, the eastern, or Narankavaara, intrusion and the western' intrusion, together with a hidden 'dyke' connecting...which may well be in itself a layered intrusion. The western intrusion has been broken up by later tectonic...the igranophyre capping the rocks of the western intrusion. The layered series can then be subdivided...Narankavaara intrusion, but the variation is much narrower, Le. approx. 12.5-55, in the westernl intrusion. The...Narankavaara intrusion Marginal series of the Pyhitys section Marginal series of the western intrusion Layered |  | | Journal (article/letter/editorial) | | a pyroxenitic layer from the Main Zone of the Western Bushveld Complex: evidence for repeated magma influx...exploration borehole from the southern sector of the western Bushveld. Within the pyroxenitic layer, mineral...borehole core from the southern sector of the Western Bushveld, Mitchell (1990b) identified several successive...~ Distal FIG. l. Simplified sketch map of the western Bushveld Complex, showing the location of borehole...the town of Brits, in the southern sector of the western Bushveld Complex (Fig. 1), intersected slightly |  | | Journal (article/letter/editorial) | | 0022-3530/94 $3.00 The Munni Munni Complex, Western Australia: Stratigraphy, Structure and Petrogenesis...and Mining, Private Bag, Wembley, W.A. 6014, Australia 2 Australian Geological Survey Organisation, GPO...GPO Box 378, Canberra, A.C.T. 2601, Australia (Received 19 April 1993; revised typescript accepted 30...Munni Munni Complex is a layered mafic-ultramafic intrusion emplaced into granitic rocks of the west Pilbara...mesocumulates. Layering dips towards the centre of the intrusion and trends laterally into a narrow and variably |  | Barnes, J., McIntyre, J. R., Nisbet, B. W., Williams, C. R. (1990) Platinum group element ,mineralisation in the Munni Munni Complex, western Australia. Mineralogy and Petrology, 42 (1) 141-164 doi:10.1007/bf01162688 | Journal (article/letter/editorial) | | Mineralisation in the Munni Munni Complex, Western Australia S. J. Barnes, J. R. McIntyre, B. W. Nisbet...Williams Hunter Resources Limited, West Perth, Western Australia With 11 Figures and 1 Plate Received October...pyroxenite dyke intersects the sloping floor of the intrusion at a level close to the top of the UMS, and appears...and more widely dispersed farther away from the intrusion walls. PGE-enriched sulphides also occur close...Pyroxenit-Gang durchschliigt den geneigten Boden der Intrusion im Bereich der obersten UMS, und dfirfte als Zufuhrkanal |  | | Journal (article/letter/editorial) | | of southern Africa, the Pilbara craton of western Australia, and the coastal region of East Antarctica...Major structural features: 1 = small thrusts in western Dharwar craton; 2 = Eastern Ghats front; 3 = Sukinda;...Wyoming, USA; 2700 Ma iii. Jimberlana, Yilgarn Block, Western Australia; 2411–2370 Ma Hall and Hughes... 1987a, 1987b Norite dikes: comprise plag, hypersthene, cpx, and opaques. Boninite-norite dikes: show...layered complexes, such as Stillwater, Bushveld, Jimberlana, and northern Finland. A similar association |  | | Journal (article/letter/editorial) | | Austria Pyroxene mineral chemistry of the Jinchuan intrusion, China G. Chai 1 and A. J. Naldrett 2 1 Mineral...and clinopyroxene from the Jinchuan ultramarie intrusion have been obtained by electron microprobe analysis...Klinopyroxenen aus der ultramafischen Jinchuan Intrusion wurden mit der Mikrosonde bestimmt. Die Mg-Zahl...beschrfinkte magmatische Differentiation der Intrusion hin. Der AlzOa-Gehalt liegt zwischen 2.44 Gew...Temperatur bestimmt wird. Introduction The Jinchuan intrusion is a dyke-like igneous body that hosts a large |  | | Journal (article/letter/editorial) | | commonly much more evolved or primitive than bulk intrusion compositions, (b) evolved chilled margins are...Vavukanskii sill, Russia, the Sonju Lake intrusion, USA and the Dovyren intrusion, Russia showing variations in...MgO-content in the entire section through the intrusion. Note that the lower chilled margin can be compositionally...more primitive (Sonju Lake intrusion) or more evolved (Dovyren intrusion) than the bulk of the intrusions...Vavukanskii sill;Frenkel' et al. (1988), Sonju Lake intrusion; Miller (personal communication (2005) and Miller |  | | Journal (article/letter/editorial) | | Geochemistry, Private Bag, Wembley, Western Australia, 6014, Australia Abstract. A series of calculations...(augite) and orthopyroxene (enstatite through hypersthene). The procedure involves simultaneous solution...shifts o f up to 20 mol.% forsterite. In a natural intrusion, there m a y be a continual gradation from originally...Africa is attributed by Lightfoot et al. (1984) to intrusion of successive batches of less fractionated magma...liquid to a Bushveld or Stillwater - type layered intrusion, and a komatiite. 527 Figure 3 shows model trends |  | | Journal (article/letter/editorial) | | oikocrysts. One of the noritic dykes in the north-western lsukasia (NWI) area (Fig. 1) is a partially quenched...from enstatite/bronzite (Engo 85) cores to thin hypersthene (En7o-65) margins (Table 1). Olivine is less...1982) and in an olivine pyroxenite from Victoria, Australia (Crawford 1980), although the chemical variation...Dyke of Zimbabwe (Wilson 1982) and the Bushveld intrusion of South Africa (Cameron 1977). They differ from...3i). They comprise variably zoned bronzite - hypersthene (En84-66), magnesian to intermediate pigeonite |  | | Book | | 5 4.6 4.7 4.8 5 GRUENEWALDT Introduction: intrusion and crystallisation mechanisms The Bushveld Complex...Complex 4.2.1 Regional setting 4.2.2 Intrusion form 4.2.3 Lithology 42.4 Mineralogy 4.2.5 Parental magma...Stillwater Complex 43.1 Regional setting 4.3.2 Intrusion form 4.3.3 Lithology 4.3.4 Mineralogy 4.3.5 Parental...Zimbabwe 4.4.2 Finnish layered intrusions 4.43 Jimberlana intrusion Archaean anorthosite complexes Other layered...Early to mid-Proterozoic metavolcanic belts of western central USA Early Precambrian basic rocks of the |  | | Journal (volume) | | Rometölväs Reef of the 2440 Ma old Koillismaa Intrusion. The author concludes that the origin of the mineralization...partially consolidated cumulates of the Koillismaa Intrusion. These dykes are presently represented by the...OF FINLAND Bulletin 404 2010 The Koillismaa Intrusion, northeastern Finland – evidence for PGE reef...Survey of Finland, Bulletin 404 THE KOILLISMAA INTRUSION, NORTHEASTERN FINLAND – EVIDENCE FOR PGE REEF...ESPOO 2010 Karinen, T. 2010. The Koillismaa Intrusion, northeastern Finland – evidence for PGE reef |  | | Journal (article/letter/editorial) | | Vaillant1 1 CSIRO Mineral Resources, Perth, Australia. steve.barnes@csiro.au; margaux.levaillant@csiro...es Abstract The intrusion-hosted Ni-Cu sulfide deposit at Aguablanca in south-western Spain contains a...sulfide through a pre-existing silicate-matrix intrusion breccia, preferentially displacing a cotectic...into a pre-existing partially molten intrusion breccia. This intrusion breccia itself may have been emplaced...magma flow. Keywords: Nickel, magmatic sulfide, intrusion, emplacement, infiltration, percolation 1. Introduction |  | | Book | | CONCEPTUAL MODELS IN EXPLORATION GEOCHEMISTRY, 4 Australia 14. G. BÂRDOSSY KARSTIC BAUXITES 15. A. W. ROSE...Africa and the USSR are the sources of most of the Western world's newly mined PGE, with virtually all the...of America $ : US dollars χ : mean West and Western world All countries except the USSR, other Comecon...mineralized horizons at predictable levels within the intrusion, A prime example of such a body of igneous rock...lobes, the northern Potgietersrus lobe, the western and eastern lobes and a hidden sequence in the |
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