 | | Report (issue) | | Southern Cross Province, Yilgarn Craton Ravensthorpe district ................................................Bamboo Creek an ................................................................... and breunnerite from Warrawoona...is located at Pinnacle Well, near Leonora, and has an inferred resource of 10 Mt. Magnesite Magnesite...Pallinup Siltstone. The Pallinup Siltstone deposits have an estimated recoverable resource of 1.3 Mt, and residual...deposits related to ultramafic and mafic rocks have an inferred resource of 300 000 t. Another important |  | | Journal (article/letter/editorial) | | chalcopyrite, and covellite. Talc–breunnerite– quartz and muscovite– breunnerite–quartz listvenite contains...intergrowth, an unnamed mineral with a composition of Cu3Pt, orcelite in carbonized serpentinite, and sperrylite...sperrylite and electrum in serpentinite. Sulfide mineralization formed at the late magmatic stage of the...rock, sulfide and noble metal mineralization, serpentinite, listvenite, rodingite, chromitite DOI: 10....sulfoarsenides: laurite, osarsite, irarsite, zacarinite, and an unnamed phase with the composition PtCu3; and Au–Ag |  | | Journal (article/letter/editorial) | | ATKtN (D.), see LIVINGSTONE(A.), 441 Auchinstarry quarry, Kilsyth, Scotland, julgoldite, 76I Avondale, Auckland...brochantite, 893 BORLEY (G. D.), Aenigmatite from an AegirineRiebeckite granite, Liruei Complex, Nigeria...Breitenbrumm ( - Breitenhof), Germany, helvine, 627 Breunnerite, Sinai, anal., I3 BRIDGI- (P. J.), A second occurrence...(G. R.), PHILLIPS (E. R.), and WILLIAMS (P. R.), An occurrence of eudialyte and manganoan pectolite in...from the Jerry River, South Westland, New Zealand: an example of natural refining, 247; The Avondale (New |  | | Journal (article/letter/editorial) | | the Slovak University of Bratislava, he worked as an assistant al the Geologica! Institute of the Slovak...University of Bratislava. From 1949 to 1957 he was an economic geologist and a senior geologist at Zelezorudn6...Raw Material Deposits. During this time he acted as an experl fo~ ~,<~onomic geology in Tunis ( 1965-1968...1980-1985 ). I n the years 1985-1988 he worked as an expert for prognosc of raw material of the Committee...the Comenius University in Bratislava, he acted as an assistant, later as a senior assistant and Assoc |  | | Journal (article/letter/editorial) | | (both associated and independent of each other) play an important role. The structure of the original rocks...series of basic, ultrabasic, and acidic rocks (2) is an extensive development of assorted metasomatic formations...magmaticheskogokompleksa Sevemogo Kavkaza, ser. geol. Izv. AN SSSR, 1963, no. 5, pp .23-46. The author is with...listvenites in the Zatish'ye river upper course 1 - serpentinite Downloaded by [UQ Library] at 20:24 03 February...4- carbonatized serpentinite FIGURE 4. - serpentinites 2 - talcose serpentinite 3 - talcite 4 - talc-carbonate |  | | Journal (article/letter/editorial) | | perspectives on terminology and mineralogy with reference to an occurrence at Cregganbaun, Co. Mayo, Republic of...magnesite, ferroan dolomite, quartz, pyrite, etc. Serpentinite Discussion of original rocks not in detail ...magnesite (locally) Quartz carbonate rocks Altered serpentinite Berkutskaya Gora Berezovsk ore field, the Saymonovst... All the processes involved in carbonatized serpentinite: talc-carbonate rocks, quartzbreunnerite and...carbonate varieties Quartz-carbonate rocks (breunnerite, dolomite magnesite, calcite, serpentine, chlorite |  | | Journal (article/letter/editorial) | | serpentinites (serpentinized peridotite and serpentinite), tremolite‐talc rocks, talc‐carbonate rocks...most common sulphide minerals. Gold occurs either as an invisible phase associated with gersdorffite, arsenopyrite...carbonate minerals are identified; magnesite, breunnerite, dolomite, calcite and ankerite. The CO2‐rich...metaultramafics occurring in orogenic belts have This is an open access article under the terms of the Creative...country rocks (Uçurum, 2000). In the Barramiya district, listwaenite is ridges ophiolite, ii) Archean |  | | Journal (article/letter/editorial) | | significantly higher Mg# and lower MnO than that in serpentinite, suggesting that nearly complete alteration...Keywords: Arabian-Nubian Shield, neoproterozoic, serpentinite, listwaenite Introduction Listwaenite is a...alteration processes that may affect every other phase in an ultramafic sample. The sensitivity of spinel Cr#...alteration products at Gabal (G.) Sirsir, Wadi Hodein district, South Eastern Desert, Egypt. No detailed petrological...consist of a lower serpentinized ultramafic unit and an upper unit of layered and isotropic gabbros, sheeted |  | | Journal (article/letter/editorial) | | of talc and calcite (Amin, I948), of talc and breunnerite (Gad, I952), or of talc, ankeritic siderite,...lizardite as the main constituent of many of the serpentinite samples studied. Lizardite generally forms large...show flamboyant extinction. S-69, Black Marble quarry. Crossed polars, • ~4o. b, top right, bundles of...n o c h r y s o t i l e m i x t u r e s ; a serpentinite s p e c i m e n f r o m W a d i Badia (S-Io8)...sample from Gebel Atud (T-4) contains, in addition, an appreciable amount of dolomite. Minor amounts of |  | | Journal (article/letter/editorial) | | tacharanite, 113 Suisnish, Skye, layered dyke, 683 Coire an Locha#t, Cairn Gorm, genthelvite, 637 Finland (Suomi)...wollastonite, 649; lithian tourmaline, 747 Newhurst quarry, Shepshed, Leicestershire, vesigni6ite, 533 Cornwall...493 Loch Langavat, dunite, 493 Scara Ruadh, serpentinite, chlorite-tremolite schist, anthophyllitite...glauconite, 753 SCOTLAND France Auchinstarry quarry, Kil~yth, Stirlingshire, julgoldite, 761 Blackcraig... 59 Portsoy, Banffshire, migmatites, 66r Ratho quarry, Edinburgh, julgoldite, 761 Champagnac, Cantal |  | | Journal (article/letter/editorial) | | thus supporting an earlier suggestion that the Tats albitite complex is related to an ophiolite at depth...calcareous rocks and par- solutions (dolomite and breunnerite) and locally, teticularly of carbonate minerals...ionic radii out of context with others dolomite, breunnerite and rare calcite. The carbonates Using their...ppm in dolomite (7 samples), 36-l 17 ppm in breunnerite (6 samples), and two calcite samples had concentrations...trace element composition of the dolomite and breunnerite are given in Tables 1 and 2 respectively. The |  | Vikent'eva, Olga V., Bortnikov, Nikolay S., Vikentyev, Ilya V., Groznova, Elena O., Lyubimtseva, Natalya G., Murzin, Valeriy V. (2017) The Berezovsk giant intrusion-related gold-quartz deposit, Urals, Russia: Evidence for multiple magmatic and metamorphic fluid reservoirs. Ore Geology Reviews, 91. 837-863 doi:10.1016/j.oregeorev.2017.08.018 | Journal (article/letter/editorial) | | 1016/ j.oregeorev.2017.08.018 This is a PDF file of an unedited manuscript that has been accepted for publication...melting due to combination of radiogenic heating of an overthickened sialic crust, local underplating by...regionally metamorphosed greenschist rocks. The district consists of the rock complexes originated at different...interpreted as relics of an early island arc complex. The significant part of the district consists of Carboniferous...adamellite and granite believed to be emplaced at an active continental margin (Koroteev et al., 1997; |  | Gahlan, Hisham A., Azer, Mokhles K., Asimow, Paul D., Al-Kahtany, Khaled M. (2020) Petrogenesis of gold-bearing listvenites from the carbonatized mantle section of the Neoproterozoic Ess ophiolite, Western Arabian Shield, Saudi Arabia. Lithos, 372. 105679pp. doi:10.1016/j.lithos.2020.105679 | Journal (article/letter/editorial) | | 1016/ j.lithos.2020.105679 This is a PDF file of an article that has undergone enhancements after acceptance...are also found in the listvenites; those in serpentinite and carbonate listvenites have significantly...measured gold (Au) concentrations in the host serpentinite are 0.5-1.7 ng/g, versus 4-2569 ng/g in carbonate...of 1. Introduction ro Ophiolite sequences are an important lithologic component of the Neoproterozoic...temperatures, leading to assemblages including serpentinite, listvenite and talc-carbonate rocks. Mobilization |  | | Report (issue) | | Glenelg, Ross shire and in the Innellan and .Toward district of Argyllshire, some of which have been worked...the past. At Polyphant near Launceston, Cornwall an altered ultrabasic rock, known as 'Polyphant Stone'...cations are required between the layers to satisfy an electrical imbalance (as in the micas) and there...individual layers are held together by weak Van der Waals' forces and not by ionic bonding. This weak...talc and associated minerals. Polyphant Stone is an altered ultrabasic rock occurring at Polyphant, near |  | | Book | | for within several months they asked me to render an opinion as to its suitability for translation and...neglecting the truly important European localities. As an amateur handbook, this one makes no pretense at being...method of indicating increasing quality by the use of an increasing number of exclamation points within parentheses...version are truly those intended in the original. As an outgrowth of this study a number of errors in the...renditions are all the more remarkable because he is an ardent amateur mineral collector and is therefore |  | | Journal (article/letter/editorial) | | 1016/j.oregeorev.2019.103304 This is a PDF file of an article that has undergone enhancements after acceptance...grade and several phyllosilicates can be used as an ore guide to non-clay mineral deposits. Time, climate...the geological age of formation is synonymous with an increase of the P-T regime where important boundaries...Central Europe. They indicate an ensialic geodynamic regime in Mesoeurope and an ensimatic regime in Neoeurope...extensional regimes in the Alpides and indicative of an ensialic and ensimatic regime, respectively. In the |  | Vikent’ev, I. V., Murzin, V. V., Prokof’ev, V. Yu., Dubinina, E. O., Eremin, N. I. (2010) PT-conditions of mineral formation and characteristics of fluid of the Pyshminsk-Klyuchevsk copper-cobalt deposit, middle urals. Doklady Earth Sciences, 430 (2) 214-217 doi:10.1134/s1028334x10020157 | Journal (article/letter/editorial) | | MidAtlantic Ridge (Rainbow, Logachev) related to serpentinite [4], ores of such deposits in the Urals were...ry formations by some scientists [5, 6]. To gain an under standing of the genesis of such types of deposits...State University, Moscow, Russia and pyrrhotite with an association of chalcopyrite, cubanite, valleriite...monoclinic pyrrhotite, late pyrite, and magnetite with an association of quartz, carbon ates, and chlorite...mod ification of the enclosing basic rocks and serpentinite. Listvenite, chlorite, chlorite–biotite, and |  | | Journal (article/letter/editorial) | | 1930) favoured an igneous origin for sagvandites as the result of in situ crystallization of an ultramafic...given by Rosenbusch (1923) as Mg9Fe(CO3)10 (breunnerite). This is in excellent agreement with a calculation...where magnesite occurred as a replacement product of an original pure orthopyroxene rosette. Finally, pure...strong alteration to phyllosilicates may exhibit an augengneiss-like texture, talc and/or serpentine...the mole weight of breunnerite (Mg0.,Fe,,.i)CO,. X After subtraction of breunnerite. The last two rows |  | | Catalog/List | | Cos C \,r 51 ■■ CHAYESITE Pauliberg, Burgerland Austria ,/ Dark blue single 2mm crystals on rock,a) one...Zcolite Ix! £4 lx2 £8 2x2£16 26) ■ MAGADIITE Aris Quarry, near Windhoek,Namibia / White micro snow-flakes...SiO 220 ■ MENDIPITE ✓~ CaAISiOC0/3 Merehend Quarry, Mendips Somerset Very rich white to pinkish faintly...fluorescence lxl£3 lx2£5 FLUORESCEN'. ■ SCHEELITE Penlee Quarry, Newlyn,Cornwall creamy spots in chlorite. Fluorescent...Sjogruvan Grythyttan, Sweden 126 DIASPORE Saga Quarry, Tvedalen, Norway Rich fawn massive, x-rayed material |  | | Book (edition) | | groups: The number of new mineral species may grow as an avalanche, flooding the mineral population with tens...lepidolite, wolfrarnite). In many cases, minerals have an intermediate composition between theoretical end-members...to crystallographic tenns (e .g. prismatine), to an organization (e.g .. mgriite). to a journal (minrecordite)...form. Many minerals display characteristic twinning, an intergrowth of two or more individual crystals of...Miller indices are used. For instance, the symbol for an orthorhombic dipyramid form is { 111}, for a hexagonal |  | | Journal (article/letter/editorial) | | Magnesium in the earth’s crust (Fig. 1) has to undergo an increase by natural processes of less than ten times...concentration (sometimes known as the ‘Clarke’) to become an economically viable source of magnesium for industry...siderite form a continuous series to which the name breunnerite is applied, but the disparity in ionic radius...Olivine is a primary mineral that crystallizes at an early stage in the solidification of basic or ultrabasic...hydrothermal action or weathering to form the rock serpentinite composed of the ‘mineral’ serpentine, which |  | | | | THE WORLD OF NATURE | In full colour-an introduction to the composition, beauty and structure of our...collections in the world, and this book provides an opportunity to study at leisure some of the best...bournonite 18, /8 braunite 81 brazilianite 67, 67 breunnerite 39 brochantite 59, 59 bronzite 98 brookite 34...block of pyrite and analyze them, they should have an identical chemical composition, and the same should...physics that true ‘solid’ bodies are those that possess an internal structure of atoms linked together in a |  | Hinsken, Tim, Bröcker, Michael, Strauss, Harald, Bulle, Florian (2017) Geochemical, isotopic and geochronological characterization of listvenite from the Upper Unit on Tinos, Cyclades, Greece. Lithos, 282. 281-297 doi:10.1016/j.lithos.2017.02.019 | Journal (article/letter/editorial) | | doi:10.1016/j.lithos.2017.02.019 This is a PDF file of an unedited manuscript that has been accepted for publication...is very likely that carbonation 23 affected serpentinite and not unaltered meta-peridotite. The direct...overprinted rocks and the 35 granitoids suggest an intrusion depth of ca. 7–10 km that corresponds to...the petrogenesis of this rock type 78 documents an important mechanism for natural carbon dioxide sequestration...of mostly metabasic HP/LT rocks, 120 documenting an olistostromatic origin of this succession (e.g. Bulle |  | | Journal (article/letter/editorial) | | information: http://www.tandfonline.com/loi/tigr20 AN OUTLINE OF METASOMATIC PROCESSES (PART 3 OF 3) D...2010. To cite this article: D.S. Korzhinskiy (1964) AN OUTLINE OF METASOMATIC PROCESSES (PART 3 OF 3), International...http://www.tandfonline.com/ page/terms-and-conditions AN OUTLINE OF METASOMATIC PROCESSES (PART 3 OF 3) 1...gradients in zones immediately adjacent to the margins of an intruded body; the mechanism, in particular, which...have been heated by the pluton. Fissures are also an important contributing factor in proximal metasornatism |  | | Book | | collections in the world, and this book provides an opportunity to study at leisure some of the best...bournonite 18, 18 braunite 81 brazilianite 67, 67 breunnerite 39 brochantite 59, 59 bronzite 98 brookite 34...block of pyrite and analyze them, they should have an identical chemical composition, and the same should...physics that true 'solid' bodies are those that possess an internal structure of aton1s linked together in a...under- 1 gone by the Earth's crust, in which it has an essential and illu1ninating part. The artificial |
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