 | | Report (issue) | | 677(12) Z=3 X-ray Powder Pattern: Near Norseman, Western Australia; after heating in air at 800◦ C. 1.433...Cr2 O3 1.15 0.88 9.94 4.76 (1) Near Norseman, Western Australia; by electron microprobe, average of five...Zr0.58 Al0.39 V0.21 Mn0.04 )Σ=20.24 O38 . (2) Western Laouni massif, Algeria; by electron microprobe...phlogopite, enstatite, baddeleyite, apatite, zircon, titanite, rutile, ilmenite, chromite (near Norseman, Australia);...phlogopite (Western Laouni massif, Algeria). Distribution: In the Jimberlana intrusion, near Norseman, Western |  | | 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) | | 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) | | tetrahedrite, cadmian freibergite, 28o Inverness-shire Loch Eynort and Portree, Skye, tobermorite, 229...Pradesh Binny and Loya mines, Kondapalli, chromite, enstatite, 4o6 and M38 Ganginemi, Kondapalli, chromite,...Sierra Gorda, hohmannite, I44 and M9 AUSTRALASIA Australia QUEENSLAND Ban Ban, ilvaite, 85 Mount Perry,...Giralang, stilpnomelane, 36I and M37 CENTRAL AUSTRALIA Harry Creek copper prospect and Johannsen's phlogopite...phlogopite mine, Strangways Range, cordierite, 89 WESTERN AUSTRALIA Alice Mary copper mine, Kundip, lavendulan |  | | Journal (article/letter/editorial) | | intrusions remains enigmatic, even for the Skaergaard intrusion, which is regarded as the classic example of closed...orthopyroxenite. Bushveld Complex (Atkins, 1969), Jimberlana intrusion (Campbell and Borley, 1974) and Great Dyke...the Main Zone, Bushveld Complex and the Jimberlana Intrusion The LMS of the Great Dyke may be compared...which are remarkably similar to those of the Jimberlana Intrusion (Campbell and Borley, 1974). These include...o~o~. ~ o dimberlano Dyke * Bushveld Complex ENSTATITE FIG. 13. Projection of ortho- and clinopyroxene |  | | Journal (article/letter/editorial) | | field relationships in the Norseman-Wiluna greenstone belt, Western Australia R . E . T . Hill, S.J. B...and Mining, Private Bag, Wernbley, W..A. 6014, Australia Received 13 December, 1993; revised and accepted...the western part of the Norseman-Wiluna greenstone belt in the Yilgarn Block of Western Australia display...mapped in detail in the Agnew-Wiluna segment of the Norseman-Wiluna Greenstone Belt. In the Yakabindie and...Williams Formation, in the west-central part of the Norseman-Wiluna Belt, is a very large cumulate flow unit |  | | Journal (article/letter/editorial) | | aureole, Cornwall, 427 Alice Mary copper mine, W. Australia, lavendulan, 369 Alkali feldspar, Greenland, solvus...(P. M.), see PLIMER (I. R.), 85 Atacamite, W. Australia, 369 ATKIN (B. P.), Hercynite as a breakdown product...I79 Bali Low copper mine, Capricorn Range, W. Australia, lavendulan, 369 BaUyclare, Co. Antrim, cowlesite...373 Baryte, W. Australia, HES-bearing inclusions in, 4o8 Bazirite, Rockall, Inverness-shire, anal., opt...COSTELLO (M. l.), Sampleite from Jingemia Cave, W. Australia, 369 BRIGGS (R. M.), Ferrocarpholite from New |  | | Journal (article/letter/editorial) | | Quenching in the Wingellina Hills Intrusion, Giles Complex, Central Australia by CHRISTIAN G. BALLHAUS1 AND...University of Tasmania, Hobart, Tasmania 7001, Australia Division of Petrology and Geochemistry, Bureau...Canberra, A.C.T. 2601, Australia 2 ABSTRACT The Wingellina Hills intrusion is a small composite gabbroic/ultramafic...gabbroic/ultramafic intrusion and forms a tectonically dismembered segment of the Upper Proterozoic Giles...Giles complex in central Australia. Its 1600 m of exposed magmatic stratigraphy formed in a continuously |  | | Journal (article/letter/editorial) | | dissolution and recrystallization in the Western Laouni mafic intrusion, Algeria J.P. Lorand a and J.Y. Cottin... most olivine orthocumulates from the Western Laouni intrusion (Southern Hoggar, Algeria) contains inclusions...complex is included in chromite from the Muskox intrusion (Irvine 1975), while phlogopite inclusions have...(Hulbert and Von Gruenewaldt 1985). The Western Laouni intrusion provides the opportunity to assess these...II Lithology of the Western Laouni marie intrusion The Western Laouni intrusion, 250 km south of Tamanrasset |  | | 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 (article/letter/editorial) | | Geology, La Trobe University, Bundoora, Vie., Australia and 0. P. BRICKER Maryland Geological Survey,...demonstrate that the dissolution of forsterite and/or enstatite is rapid compared with the precipitation of the...curves. Per. = periclase, Fo. = forsterite, En. = enstatite, Ta. = talc, Serp. = serpentine, Chry. = chrysotile...entering a peridotite may dissolve forsterite and enstatite until saturation with respect to talc, chrysotile...undersaturated with respect to forsterite and enstatite may enter a peridotite and these phases may actually |  | | 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) | | University of Melbourne, Parkville, Victoria, 3052, Australia J. Nolan Department of Geology, Imperial College...dashed curves give the asio~ of the Skaergaard and Jimberlana liquids at different stages in the fractionation...intrusions; the Skaergaard Intrusion of East Greenland and the Bushveld Intrusion of South Africa. However...other tholeiiticintrusions; the Jimberlana Intrusion of Western Australia (Campbell et al., 1970; Campbell...Campbell, 1973), the Sudbury Intrusion of Ontario, Canada (Naldrett et al., 1970), the Palisades Sill of the |  | | 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 |  | | Journal (article/letter/editorial) | | Na-phlogopite) and anhydrous (olivine, diopside and enstatite) silicate inclusions, which are rounded to subhedral...example, data obtained on komatiites from the Western Australian Ag new-Wiluna greenstone belt concur...refractory residue in the Sangun-Yamaguchi zone, western Japan. Journal of Petrology, 21, 141-165. Arai...field relationships in the Norseman-Wiluna greenstone belt, western Australia. Lithos, 34, 159-188. Irvine...(1977) Origin of chromite layers in the Muskox intrusion and other intrusions: a new interpretation. Geology |  | | Journal (article/letter/editorial) | | Geochemistry, Private Bag, Wembley, Western Australia, 6014, Australia Abstract. A series of calculations...olivine, clinopyroxene (augite) and orthopyroxene (enstatite through hypersthene). The procedure involves simultaneous...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) | | mineralizationhas been reviewed by The Chronology of Magma Intrusion to the Hiemstra (1979) and Von Gruenewaldt(1979)...that are between6 and 12 mole percenthigher in enstatite(En) than in N microgabbros; perhapswhen consideredin...and Au than the chilledmarginsof the Jimberlana o.oool intrusion(Keaysand Campbell,1981).Iridium is approximatelythe...Continentalbasalts Oceanicbasalts MORB Skaergaard Jimberlana Stillwater 0,38• 0.255 0.025? 0,26• 1.7-3.69...calcic and calc-alkaline batholithic rocks of the western United States:Chem. Geology,v. 14, p. 117-122 |  | Djon, Lionnel M., Miller, James D., Olivo, Gema R., Peck, Dave C. (2017) Petrogenesis of Cyclic Units In the Northern Ultramafic Center of the Lac Des Iles Complex, Ontario, Canada. The Canadian Mineralogist, 55 (2) 349-374 doi:10.3749/canmin.1600063 | Journal (article/letter/editorial) | | Lac des Iles Complex, ultramafic rocks, layered intrusion, Superior Province. § Corresponding author e-mail...Muskox intrusion (Irvine 1972), the Great Dyke (Wilson & Prendergast 1989), the Jimberlana intrusion (Campbell...Island complex (Irvine 1974), and the Sept Iles intrusion (Namur et al. 2010). Rhythmic cyclic units are...comprises the Mine Block Intrusion, the South LDI Intrusion, and the Camp Lake Intrusion (Fig. 1b). The Mine...Mine Block Intrusion is the best known of the individual intrusions within the LDIC due to the presence |  | | Journal (article/letter/editorial) | | framework of the northern limb and to the eastern and western limbs of the Bushveld Complex. The chromitite layers...a Critical Zone affinity with the eastern and western limbs of the Bushveld Complex. Keywords Chromitite...syn-Bushveld Uitkomst satellite mafic– ultramafic intrusion. The Critical Zone chromitites form continuous...observed through the Critical Zone in the eastern and western limbs of the Bushveld Complex is consistent with...Platreef with the Critical Zone of the eastern and western limbs. In addition, chromitite layers are conventionally |  | | Journal (article/letter/editorial) | | of the Giles Layered Igneous Complex, Central Australia by CHRISTIAN BALLHAUS AND RON F. BERRY Department...Geology, University of Tasmania, Hobart, Tas. 7001, Australia (Received 29 September 1989; revised typescript...26, 2015 ABSTRACT The Giles Complex, central Australia, consists of a series of large layered gabbroic/ultramafic...Middle Proterozoic Musgrave Block in central Australia (cf. Nesbitt et al., 1970). Geology and structure...shown in Fig. 1, and the geological history of the western Musgrave Block is summarized in Table 1. The majority |  | | Journal (article/letter/editorial) | | ing accessory phase from the Jimberlana Intrusion of Western Australia. Mineral. Mag. 42, 187 193 (1978)...tholeiites to olivine melilitites from South Eastern Australia. J. Petrol. 19, 463-513 (1978) Gill, J.B.: Role...Lui, J.: Post-oxide phases of forsterite and enstatite. Geophys. Res. Lett. 2, 411-419 (1975) Liu, L |  | Guotana, Juan, Morishita, Tomoaki, Yamaguchi, Ryoko, Nishio, Ikuya, Tamura, Akihiro, Tani, Kenichiro, Harigane, Yumiko, Szilas, Kristoffer, Pearson, D. (2018) Contrasting Textural and Chemical Signatures of Chromitites in the Mesoarchaean Ulamertoq Peridotite Body, Southern West Greenland. Geosciences, 8 (9) 328 doi:10.3390/geosciences8090328 | Journal (article/letter/editorial) | | [14–17]. Such wasinobserved in chromitites from the western (P-T) history Ulamertoq, of the rocks [14–17]....characterized by observed Cr and Fe-rich cores with and western part of central Ulamertoq, wherein chromites are...Red Mountain in New Zealand [23]; Rhum layered intrusion in Scotland [7], and the Yanmenguan mafic-ultramafic...showing interstitial silicate minerals that include enstatite (En), magnesiohornblende (Mhb), forsterite (Fo)...(Fo), and clinochlore minerals that include enstatite (En), magnesiohornblende (Mhb), forsterite (Fo), |  | | Journal (article/letter/editorial) | | phase equilibria in the system diopsideforsterite-enstatite, to provide a basis for the changing solidus relations...the composition of chromespinels from the Jimberlana Intrusion. J. Petrol. 26, 763-786. 11. SCOWEN, P.A |  | | Report (issue) | | Brady Glacier cumu lates. The La Perouse gabbro intrusion was called the Crillon-La Perouse stock by Rossman...the main outer contact of the La Perouse gabbro intrusion; whereas the contact northwest of the nunataks...Axelgold intrusion in British Columbia (Irvine, 1975a). The base of the La Perouse intrusion is not ex...nickel-copper sulfide deposit. The age of the La Perouse intrusion is uncertain. Czamanske and his coworkers (1978)...1960; Jackson, 1961; Page, 1977), and Muskox intrusion (Irvine and Smith, 1967) in two significant ways: |  | | Journal (article/letter/editorial) | | and 2.16 kbars calculated from the forsterite/enstatite and fayalite/ferrosilite end-members respectively...References Atkins FB (1969) Pyroxenes of the Bushveld intrusion, South Africa. J Petrol 10:222-249 Bacon CR, Carmichael...the Lower layered series of the Jimberlana Intrusion, Western Australia. Contrib Mineral Petrol 47:281-297 |
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