 | Pacey, Adam, Wilkinson, Jamie J., Boyce, Adrian J., Millar, Ian L. (2020) Magmatic Fluids Implicated in the Formation of Propylitic Alteration: Oxygen, Hydrogen, and Strontium Isotope Constraints from the Northparkes Porphyry Cu-Au District, New South Wales, Australia. Economic Geology, 115 (4). 729-748 doi:10.5382/econgeo.4732 | Journal (article/letter/editorial) | | hydrogen isotope analysis of biotite, amphibole, K-feldspar, quartz, five whole-rock samples, and five vein-selvage...in the center of potassic alteration zones of K-feldspar ± biotite ± magnetite (Fig. 1). Such alterationmineralization...biotite quartz monzonite and plagioclase-phyric alkali feldspar granite. Magmatic-hydrothermal phenomena, such...al., 2019). The intrusion-centered zones of K-feldspar ± biotite ± magnetite alteration grade outward...volcanic rocks Biotite quartz monzonite to alkali feldspar granite pluton E48 Quartz monzonite Early- |  | | Journal (article/letter/editorial) | | . . . . . . . . . . . . . . . . . 377 B. M. TONER, C. M. SANTELLI , M. A. MARCUS , R. WIRTH , C. S...and titanite from the Gardnos impact structure, Norway: Evidence for impact at 546 Ma? . . . . . . . .... . . . . . . . . 3148 C. ZHU , P. LU : Alkali feldspar dissolution and secondary mineral precipitation...LTTGE : Morphological evolution of dissolving feldspar particles with anisotropic surface kinetics and...mobilization and crystallization of impact-induced alkali-rich melts in granitic target rocks: Evidence from |  | | Journal (article/letter/editorial) | | silisic zones. Quartz, kaolinite, sericite, k-feldspar, alunite, natro-alunite, jarosite and pyrite are...carrying minute magnetic inclusions [1]. Quartz and feldspar from 3.2 Ga Kaapvaal craton plutons yield intensities...that clay, opal-CT, dolomite, mica, analcime, feldspar, calcite, and quartz minerals existence and illite...are grey-white, fine-grained, consisting of K-feldspar, albite and quartz. Overlapping emplacement ages...carbonatite, one sample of syenite and one sample of feldspar in syenite, Li contents vary from 1.1 to 49 ppm |  | | Journal (issue) | | chemical analytical mitigated by methods utilizing alkali fusions of hitherto intractthe fusions, now now...characterization of natural sapphires originating from alkali basalts or for the characterization of the most...originating from alkaline rocks, i.e. in most cases from alkali basalts. By measuring the crystal faces of the...conditions. PT estimates for the metamorphism from two-feldspar thermometry indicate temperatures of between 630...muscovite 4- phlogopite 4- plagioclase (andesine) 4- K-feldspar 4- tourmaline 4- kyanite 4zircon (sample 8) Ruby |  | | Book | | Tuff, Pumice, Perlite, Pozzulan, and Trass . 7.4 Feldspar, Quartz, and Mica . . . . . . . . . . . . 7.5...gypsum. These can also be enriched in lithium, an alkali metal that is particularly soluble as a chloride...usually contains other minerals such as quartz, feldspar, calcite, baryte, and fluorite that are separated...Ilmenite from Løvjomås, Froland, near Arendal (Norway) (photo © F. Neukirchen/Mineralogical Collections...quantities (Fig. 2.20). A special case is Kongsberg (Norway) where large quantities of native silver occur |  | | Book | | Aegirine is commonly found in alkali-rich igneous rocks such as syenites and alkali granites which usually occur...of aegirine are its type locality in Kongsberg, Norway, as well as Magnet Cove (Arkansas, USA), Illimaussaq...which are themselves derived from the erosion of alkali rocks in which aegirine may be present. Aerugo...historically as clevelandite. It is a member of the feldspar group (q.v.) and a solid solution series exists...metamorphic rocks. Albite is the most common plagioclase feldspar in spillite lavas and low-grade metamorphic schists |  | | Report (issue) | | granites on the basis of grain size, colour of feldspar and presence or absence of ferromagnesian minerals...Kumar (1993) shows that the pink feldspar is the dominant feldspar of Syno-granite similarly the gray...gray granite are dominanted by white colour feldspar. As per IUGS classification, they occupied the field...monzogranite & granodiorite. Pink and white colour feldspar are equal quantity in the homophonous granite...non-porphyritic. Among the porphyritic variety the feldspar crystal varies in shape from euhedral to anhedral |  | | Book (volume) | | loses its physiological activity when treated with alkali to pH 10 or with proteolytic enzymes such as...products leads to a depletion from the blood of the alkali reserve that balances them in the normal organism...neutral solution but is decomposed by hot acid or alkali to pantoic acid or its lactone and f-alanine. Chemical... oxidizing material is followed by a stage of alkali extraction, since lignin becomes more soluble at...involves elemental chlorine, alkali extraction, chlorine dioxide, alkali extraction, and, finally, chlorine |  | Cheize, M., Planquette, H.F., Fitzsimmons, J.N., Pelleter, E., Sherrell, R.M., Lambert, C., Bucciarelli, E., Sarthou, G., Le Goff, M., Liorzou, C., Chéron, S., Viollier, E., Gayet, N. (2019) Contribution of resuspended sedimentary particles to dissolved iron and manganese in the ocean: An experimental study. Chemical Geology, 511. 389-415 doi:10.1016/j.chemgeo.2018.10.003 | Journal (article/letter/editorial) | | Marsay, C.M., Hoffman, C.L., Nicholas, Sarah L., Toner, B.M., German, C.R., Sherrell, R.M., 2017. Iron...1998. Does organic acid adsorption affect alkali-feldspar dissolution rates? Chemical Geology, 151(1–4):...0.09 0.02 0.71 0.03 26-45 7-12 46-53 K-Feldspar (%) Clinopyroxene (%) Olivine (%) Calcite (%) |  | | Journal (article/letter/editorial) | | patterns from fresh to propyllitic (talc–biotite–feldspar) to argillic (pyrophyllite–cristobalite– pyrite)...University of Oslo P.O.Box 1047 Blindern, 0316 Oslo, Norway (*correspondence: s.s.bakari@geo.uio.no) 2 Ruden...Engelsviken NORWAY 3 IFE, NO-2027 Kjeller Norway 4 NTNU Gløshaugen 7491 Trodheim Norway To determine...which collected a drip water sample daily. Alkali and alkali earth element (Mg, Na, Ca, Sr, and Ba) concentrations...concentration at this time. The concentrations of alkali and alkali earth elements are instead moderated by dilution |  | | Book (edition) | | Aegirine is commonly found in alkali-rich igneous rocks such as syenites and alkali granites which usually occur...of aegirine are its type locality in Kongsberg, Norway, as well as Magnet Cove (Arkansas, USA), Illimaussaq...which are themselves derived from the erosion of alkali rocks in which aegirine may be present. Aerugo...historically as clevelandite. It is a member of the feldspar group (q.v.) and a solid solution series exists...metamorphic rocks. Albite is the most common plagioclase feldspar in spillite lavas and low-grade metamorphic schists |  | | Book (volume) | | THORE S. WINSNES Norsk Polarinstitutt, Oslo, Norway Contents 1. Location and size . . : : 3. Precambrian...According to a treaty signed in Paris in 1920, Norway has sovereignty over all these islands. The main...and with similar sequences in Greenland and in Norway. ORVIN (1934) described a section through the Hecla...also occurs outside Svalbard, in Greenland and in Norway. A difficulty to be overcome in the correlation...area. In the west two “plugs” of a porphyry with feldspar and quartz phenocrysts occur. Under the microscope |  | | Book | | __________________________________________ 575 Feldspar __________________________________________________...Their Uses Feldspar Similar dense-packed tetrahedra characterize the crystal framework of feldspar minerals...minerals, as depicted in Figure 4. Figure 4. Feldspar =O = Si, Al =K This figure shows a single layer viewed...improves chemical and physical stability while its alkali content provides fluxing action. Wollastonite...is done commercially. Compared to the silica, feldspar, and chain silicate structures, kaolin, and phyllosilicates |  | | Corporate Document (Series) | | mineral is the sodic end member of the plagioclase feldspar series. The composition of a particular member...albite was originally applied to a plagioclase feldspar with a content of 0-10 molo/oanorthite, which...Alum (group) This is a generic name for several alkali-aluminium sulfate minerals, including alum-(Na)...Analcime also occurs in the groundmass of Cenozoic alkali olivine basalt at Marys Island (on Robbins Island)...interstitial phase and a deuteric alteration product of feldspar in a prominent basaltic feeder composed of undersaturated |  | 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) | | Mexico Zemex Industrial Minerals Corporation The Feldspar Corporation Spruce Pine, North Carolina James...Turkey and the Middle East, han d-sorting of K-feldspar is essential to produce the high-quality products...Mississippi Valley–type lead-zinc deposits, or quartz, feldspar, and mica from pegmatites. In even more cases...Minerals Basalt and diabase Beryl Granite Feldspar Perlite Lithium minerals Pumice and pumicite...oxide 4. Principal physical and chemical minerals—feldspar and zeolite 5. Mixed-application physical minerals—silica |  | | Journal (issue) | | the effects of protons, hydroxyl groups, CO2, and alkali cations on their energetics and structures in aluminosilicate...This behaviour contrasts with that of the larger alkali metal ions Na+, K+, and Cs+, which prefer to bind...various sorbents with ionic and hydrated radii of the alkali and alkaline earth cations (depending on sorbent...also consistent with the prediction of solvated alkali and alkaline earth cations in the inner-layer region...the major reservoirs of Pb in Earth’s crust is K-feldspar, where Pb2+ substitutes for K+, with K-feldspars |  | | Book | | 2.2. Increased hydrolysis steps of a potassic feldspar (from top to bottom) Primary mineral Attack solution...Weathering complexes and young soils studied in Central Norway contain essentially fragmented micas and chlorites...physical weathering leads to mica exfoliation, feldspar sericitization and silicate chloritization. The...detrital illite issues from mica fragmentation and feldspar retrodiagenesis, and is associated with secondary...either from the fragmentation of granites or from feldspar sericitization (regressive diagenesis; e.g., Lelong |  | | Book | | Russia) Aeschynite· (Ce), b) (from Hidro and Arendol, Norway) Aeschynite·(Y), c) Aeschynite-(Nd), Aeschynite·(Ce)...(Qolqadis] Alkali Augite = intermediate between Aegirine and Augite (Aegirine Augile] Alkali Feldspar = see:...see: K-Feldspar Alkali Fixe Mineral, Alkali Mineral, Alkali Mineral Aere = (of Brochanl) Natron, Trona... Alkali Minerale Aere = Natron Alkoli Minerale Muratique = Halite Alkali Minerale Nativum, Alkali Minerale...= Natron Alkali Orientale lmpurum Terrestre = Thermonatrite Alkali Spinel = Spinel Alkali Tourmaline |  | | Book | | aubrites (differentiated enstatite meteorites), and feldspar-rich differentiated achondrites (Barrat et al...et al. 2014a, b). Among these, aubrites and the feldspar-rich achondrites have d56Fe values that are slightly...chondrites. The light isotope composition of the feldspar-rich achondrites is in contrast to the heavier...magnetite, ilmenite, pyrite, hornblende, biotite, alkali feldspar, calcite and others. These studies are essentially...the coordination and oxidation state of iron in alkali bearing silicate melts. Chem Geol 411:143–154. |  | | Report (issue) | | Cherryvill« quartz monzooite and pegmatite, on the toner Piedmont side, suggests continuation of the Kings...fless, F'. L. and Stevens, R. E., 1937, A rare- alkali blotite Erom Kings Mountain, N. C.: Amerlcun Mlnernlogist...Microprobe analyses of a sample from Stop ll gave alkali ratios or 6:3:1 for calcium. sodium, and potassium...quartz, epidote, mica, chlorite and potassium feldspar. The occurrence of late greenschist minerals in...finally taken over by the Clinchfield Sand and Feldspar Co. During World War II when labor was in short |  | | Book (volume) | | ultraviolet photon. However, for silver, gold, the alkali metals, and a few other materials, the confined...particles. Sols and colloidal crystals containing alkali metal particles suspended in a liquid have a characteristic...attacked at room temperature by any single acid or alkali or by aqueous solutions of simple salts and organic...Playas and playa lakes are also called dry lakes, alkali flats, mud flats, saline lakes, and sinks. The...fluoroplutonates and oxoplutonates with alkali metal and ammonium fluorides, or alkali metal oxides (Table 2). In |  | | Report (volume) | | fluorescence spectrum from an Fe-rich mineral (a feldspar), showing the Fe Kα and Kβ emission lines around...2005), or to changes in medium-range structure in alkali and alkaline-earth containing silicate glasses... Since then there have been several studies of alkali halides (Murata et al. 1988; Fujikawa et al. 1989;...2004b). A similar assignment can be made for the alkali halides (Teodorescu et al. 2000; Kikas et al. 2001;...of the main peaks do depend on the nature of the alkali cation present in the glass. Peak A shifts to lower |  | | Book (volume) | | biotite (B), anhedral quartz (Q), and potash feldspar (K). Accessory minerals include euhedral apatite...involves lath-shaped crystals of plagioclase feldspar enclosed by large anhedral grains or plates of... (augite or pigeonite). If the length of the feldspar crystals exceeds that of the pyroxene, enclosure...subhedral olivine in a matrix of granular pyroxene and feldspar microlites. Poikilitic texture. This texture...fluids which permeated the — which bubbles feldspar is more varied and involves plumose, fringing |  | | Book | | component, which includes angular quartz and fresh feldspar grains up to granule size, 2.3 Site 546 0 (latitude:...mudstone. Sand grains and granules of quartz and feldspar occur as floating grains and pods or ill-defined...Talwani M, Eldholm 0 (1972) Continental margin off Norway: A geophysical study. Geol Soc Amer Bull 83: 3575-3606...type is saturated to moderately undersaturated alkali basalt with local tholeiite. Low pressure fractionation...other islands in the Central North Atlantic with alkali basalt shield magmas being broadly similar. It |  | | Report (volume) | | 2: Feldspar Mineralogy, 2nd Edition, 1983; P. H. Ribbe, Ed. 362 pp. Thirteen chapters on feldspar chemistry...a HONEY ; t (Stevia < eo ri - STS “4% toner i ad : 7 of Gm eisass Chapter 3 KAOLIN R...potassium feldspar into kaolinite (OH)4Al9Si905occurs by intense weathering of the feldspar and leaching...K and Si09 according to the equation: Potash Feldspar 2KA1Si30g Water + Kaolinite 3H90 + - AlpSi205(OH)...Christ gibbsite, (1965). K-mica, Kaolinite K-feldspar, is and bounded amorphous silica. Granites |
|
