 | | Journal (article/letter/editorial) | | entire region have been assigned to the ' Basement Complex'. The predominant rocks are granitic and include...entirely of carbonatites. The carbonatites show a complex pattern of concentric structures, related to a...supplemented by numerous pits and boreholes, the complex consists of a central mass of carbonatite which...intermittently in the peripheral parts of the complex, while inwards the silicate rocks are extremely...are available for study. The central part of the complex is formed by an arcuate mass ranging in composition |  | | Journal (article/letter/editorial) | | aureoles: a case study from the Iivaara alkaline complex, Finland Sven Sindern b a,b,) , Ulrich Kramm...been investigated taking the Iivaara alkaline complex ŽFinland. as a case study. Five main fenitization...precursor mineral assemblage to a syenitic or even cancrinite–syenitic mineral assemblage of the fenites are...and unweathered fenites of the Iivaara alkaline complex, northern Finland, which were briefly described...Geological setting The Iivaara alkaline igneous complex is situated near Kuusamo, northern Finland, and |  | | Book (edition) | | detailed geological survey of the Alné Island complex and announced his results in a series of papers...localities as inclusions in the limestone”’ (italics mine). Actually, the first published description of...completed most of the field work on the Iron Hill complex of Gunnison County, Colorado, in 1912-1913. Although...fairly pure calcite (Garson and Smith, 1958). The complex was first studied by F. Dixey, and it was he who...carbonatite dikes cutting the kimberlite of the Premier mine (p. 542) he classed as magmatic, but 1 Bowen admitted |  | | Book | | beneficiation. This processing is carried out at the mine where the rock is crushed, dried and passed through...Kalsilite, recalculated from an analysis of a complex phenocryst of kalsilite and nepheline lava of Baruta...identify. In addition to marginal replacement by cancrinite, nepheline may be replaced by calcite or 8...typically found in lavas. Cancrinite crystallises in the hexagonal system and has a complex formula that represents...with carbonate, chlorine and sulphate radicals. Cancrinite occurs in coarse-grained rocks where it may be |  | | Journal (article/letter/editorial) | | silicate rocks that form a single intrusion or complex, or a group of minor intrusions, or areas of extrusive...i, j) listed above. (l) Those with nepheline, cancrinite, leucite or sodalite (feldspathoidal) syenite...these were later combined. Similarly, nepheline, cancrinite, leucite and sodalite (feldspathoidal) syenite...consider a hypothetical carbonatite – alkali silicate complex that contains carbonatite with melilitite, nephelinite...radiogenic isotopic signatures, as observed at Dorowa, Shawa and Spitskop, for example (Harmer & Gittins 1998) |  | Pirajno, Franco, González-Álvarez, Ignacio, Chen, Wei, Kyser, Kurt T., Simonetti, Antonio, Leduc, Evelyne, leGras, Monica (2014) The Gifford Creek Ferrocarbonatite Complex, Gascoyne Province, Western Australia: Associated fenitic alteration and a putative link with the ~1075Ma Warakurna LIP. Lithos, 202. 100-119 doi:10.1016/j.lithos.2014.05.012 | Journal (article/letter/editorial) | | The gifford creek ferrocarbonatite complex, province, western australia: Associated fenitic...leGrass, Monica, The gifford creek ferrocarbonatite complex, province, western australia: Associated fenitic...MANUSCRIPT THE GIFFORD CREEK FERROCARBONATITE COMPLEX, T PROVINCE, WESTERN AUSTRALIA: ASSOCIATED RI... Abstract The Gifford Creek Ferrocarbonatite Complex (GFC), located in the NeoarcheanPaleoproteroic...Metamorphics. The ferrocarbonatites are associated with complex and irregularly distributed zones of fenitic alteration |  | | Journal (article/letter/editorial) | | .5 liwz / / (Abyssal facies) _ 2 8,,,, / Shawa Deep (ultraabyssal ladies) r,.." p5 MN,/ Gek...titanomagnetite-perovskite ores are of economic importance. cancrinite and alkaline syenites and their dike series,...carbonatites form individual veined bodies. The complex structure of the assemblages of ultrabasic-alkaline...their formation. This, moreover, determines the complex association of heterochronous mineralization of...1965, PETROLOGY AND GEOCHEM1CAL FEATURES OF THE COMPLEX OF ULTRABASITES, ALKALINE ROCKS AND CARBONATITES: |  | | Report (issue) | | for foreign countries, if a given name refers to a mine or deposit, a nearby location or administrative...names may be used to refer to a single deposit or mine. For large deposits or mineralized areas, a 3 single...Deposit/Site_Name, is meant to identify the area, deposit, district, mine, or occurrence to which the geologic, economic...duplicates, for some areas we report information for a district or area, as well as for specific deposits or mines...Age, Host/Associated Lithology, Host Formation/Complex, Minerals, and Geologic Comments/Deposit Description |  | | Report (chapter) | | (1948) conducted a meticulous study of the Aln6 complex. He maintained that alkali carbonatite magma was...was first recognized by King (1949) at the Napak complex in Uganda. Tuttle & Gittins (1966) and Heinrich...complexes are rare (e.g. Kovdor, Kola, and Shawa, Zimbabwe), whilst alkali pyroxenites occur in most carbonatitic...carbonatitic and ultramafic rocks from the Cargill complex, N Ontario, as related by simple magmatic fractionation...temperatures (about 700-750~ albite is joined by cancrinite on the liquidus. The accompanying H20-COz vapour |  | Doroshkevich, Anna G., Chebotarev, Dmitry A., Sharygin, Victor V., Prokopyev, Ilya R., Nikolenko, Anna M. (2019) Petrology of alkaline silicate rocks and carbonatites of the Chuktukon massif, Chadobets upland, Russia: Sources, evolution and relation to the Triassic Siberian LIP. Lithos, 332. 245-260 doi:10.1016/j.lithos.2019.03.006 | Journal (article/letter/editorial) | | the Chadobets alkaline ultramafic carbonatite complex (Chadobets upland, Siberian craton) is a carbonatite-melilitite-...examined, the petrogenetic RI evolution of the complex is reconstructed and the relationship with the...The Chadobets alkaline ultramafic carbonatite complex is located within the Chadobets upland (basin of...(Dashkevich, 1999; Staroseltzev, 2009).The Chadobets complex comprises NU ultramafic-alkaline silicate rocks...sources, petrogenesis and evolution of the CE complex as well as their relationship with the Siberian |  | | Journal (article/letter/editorial) | | (Laaeher See phonolites, for instance). e) the Fen complex in southern Norway. This well known occurrence...for the origin of the Ditro nepheline-syenite complex: " . . . to explain the enrichment in Na and C1...the magma. Such salt stocks are frequent in the district of Older Tertiary deposits in the Eastern Carpathians...TOTTLE & CITTINS, 1966), with respect to the Fen complex in Southern Norway, consider the existence of thick...TUTTLE& GITTINS, 1966), for instance, eonsiders the Shawa and Dorowa earbonatites in Rhodesia to be residua |  | | Book | | (0. K.), 1. KORNPROBST (France), 1. D. KRAMERS (Zimbabwe), M. J. LE BAS (0. K.), F. E. LLOYD (0. K.), R......................... 5.1 The Thghouaji Ring-Complex ...................... 5.2 Conclusion ...........Ma), Nigerian Younger granites (213 -141 Ma), Zimbabwe (205 - 200 Ma), West African craton (200-180 Ma);...the base of the Karoo sequence in southeastern Zimbabwe and northern Lebombo (Cleverly and 6 East African...lavas are coeval with carbonatites in eastern Zimbabwe, both yielding age determinations of ca. 205 - |  | | Journal (article/letter/editorial) | | Brunckite Brushite Bustamite Calaverite Calcite Cancrinite Canfieldite Carbocernaite Carlinite Carnallite...mineralization may either be the product of a complex polyphase mineralizing process, reflecting a combination...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...Glaucophane or crossite. Massive gray syenite with cancrinite as the typical rock-forming mineral besides microcline...and augite. The accessory minerals are apatite, cancrinite, calcite, titanite and melanite–garnet. It is | | | Journal (article/letter/editorial) | | Brunckite Brushite Bustamite Calaverite Calcite Cancrinite Canfieldite Carbocernaite Carlinite Carnallite...mineralization may either be the product of a complex polyphase mineralizing process, reflecting a combination...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...Glaucophane or crossite. Massive gray syenite with cancrinite as the typical rock-forming mineral besides microcline...and augite. The accessory minerals are apatite, cancrinite, calcite, titanite and melanite–garnet. It is |  | | Journal (volume) | | an account oE geochemical surveys oE the Sokli complex (Nuutilainen, 1973). The only other described occurences...and Siilinjärvi (Puustinen, 1971). The Iivaara Complex differs from the Sokli intrusion in comprising...and ijolite, not carbonatite. The Siilinjärvi Complex, however, consists principally oE carbonatite and...atmosphere of nitrogen using the 2,2,dipyridyl complex (Riley and Williams, 1959). The major constituents...Peninsula. Some 400 km 2 of the basement of the Sokli district has been remapped as part of the present prospecting |  | | Book | | ............... . Pegmatites with Radioactive Complex Oxide Minerals ......... . . . .. . . ... . . Peg1natites...(Table 1.7) and occurs 111ainly in oxides, numerous complex (multiple) oxides, anhydrous phosphates, anhydrous...possibly as organic complexes. Although 1nany complex oxide minerals contain Nb, Ta, and Ti, U4 is not... green-Dy; red-Sm and Tb). Color The oxides, complex oxides, and silicates of U 4 and Th are usually...Thoriun1 minerals Simple oxides Complex oxides Simple silicates Complex silicates Simple phosphates Superge11e |  | | Report (issue) | | inclusions (MI) in zircons from the Quottoon Igneous Complex, British Columbia, Canada (from Thomas et al. 2002)...studied MI in peralkaline granites from the Amis Complex in Namibia. The MI are enriched in Nb and REE and...case study of melt inclusions in the Khagnilay complex, Eastern Transbaikalia (Russia). Chem. Geol. 210...silicate and sulfide melt inclusions in an andesitic complex II: evidence for magma mixing and magma chamber...silicate and sulfide melt inclusions in an andesitic complex I: analytical approach and data evaluation. Contr |  | | Book | | colour index. This is, without doubt, the most complex lithologie association to be handled from the point...exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best known example. Here...150-200 km and are up to 15 km thick. The entire complex is composed of over 800 mappable plutons and small...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay)...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite |  | | Book | | colour index. This is, without doubt, the most complex lithologic association to be handled from the point...exposed in outcrop or in the mine workings at all. The Climax Mo complex is the best known example. Here...150-200 km and are up to 15 km thick. The entire complex is composed of over 800 mappable plutons and small...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay)...known (e.g. the Montana Tunnels deposit, Obelisk Mine). The former locality contains disseminated pyrite |  | | Book | | COMPLEXES By P. J. WyLuir The Duke Island ultramafic complex, southeastern Alaska By T. N. IRVINE Introduction...rocks The ultramafic complex Pegmatitic rocks Contact effects of the ultramafic complex Further petrogenetic... J. WYLLiE 135 Serpentinites of the Roxbury district, Vermont By RicHarp H. JAHNs III. A. Introduction...Dawson (Chapter 8-II-C) refers to these as “central-complex kimberlites,” and they have been listed previously...Sahama (1962) has reviewed the petrology of this complex volcano. 3. An effusive equivalent of kimberlite |  | | Report (volume) | | lithospheric mantle is old and will have had as complex a metamorphic and magmatic history as the overlying...transported to the magma chamber roof zones as complex ions in a volatile phase. Carbonatites provide...Potassium-argon geochronology of the Poohbah Lake alkaline complex, northwestern Ontario. Can. J. Earth Sci. 13, 1456-9...lithospheric mantle is old and will have had as complex a metamorphic and magmatic history as the overlying...transported to the magma chamber roof zones as complex ions in a volatile phase. Carbonatites provide |  | | Report (volume) | | Milford Flat quadrangle and the Old Moscow Mine, Star District, Beaver County, Utah [abs.]: Dissert. Abs...Harlan. Algal stromatolites in the James Reef Complex (Lower Cretaceous), Fairway Field, Texas: Jour...Bromine in the Salado Formation, Carlsbad potash district, New Mexico: New Mexico Bur. Mines and Mineral...in the Roberts Mountains Formation, Carlin gold mine, Eureka County, Nevada, in International geochemical...textures in gabbroic metaanorthosite of the Dore Lake Complex, Chibougamau [abs.]: Canadian Mineralogist, v.10 |  | | Book | | section through the Macquarie Island ophiolite complex (after Griffin and Varne 1980). VOLCANIC SEQUENCE...Sediments SHEETED DYKE COMPLEX MASSIVE GAB BROS LAYERED GABBR0 COMPLEX X~ X X—X~X~X— x— x — X...through the youngest volcanic centre of the Burra complex in northern Nigeria (after Turner and Bowden 1979)...sections through the rhyolite domes of the Tarawera district in New Zealand, where they have been blown open...open by later explosions. The Tarawera complex consists of 11 domes and short flows (Fig. 32), forming |  | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) | | . . . . . . . . . . . . . . . . . . . . . . . . Mine Safety and Health Law . . . . . . . . . . . . ....substantial and wide-ranging changes and their complex ramifications for the industry. For example, numerous...as well as specialized industrial minerals, but complex interactions b etween consuming industries produce...omine, and rare-earth elements. In a lar ge diamond mine, for e xample, 50 percent o f the annual revenue...ality will often be significantly improved by complex processing. Low-cost rocks such as aggr egates |
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