 | | Report (chapter) | | constraints on the Caledonian Upper Allochthon of Central Norway: the Gula Complex staurolite – garnet – kyanite...MEYER Geological Survey of Norway, PO Box 6315 Sluppen, N-7491 Trondheim, Norway *Corresponding author (e-mail:...garnet–muscovite schist of the Gula Complex, central Norway, provide constraints on metamorphic evolution during...the Caledonides of the Trondheim Region, central Norway (Roberts & Wolff 1981). In the investigated Kvernfjellvatna...the Upper Allochthon east of Trondheim, Central Norway. Outlined square shows investigated area. metamorphic |  | | Journal (article/letter/editorial) | | sulphide occurrence in the Løkken greenstones, Central Norway KENNETH GEORGE McQUEEN McQueen, K. G. : The Dragset...sulphide occurrence in the Løkken greenstones, Central Norway. Norsk Geologisk Tidsskrift. Vol. 70, pp. 1-19...copper-zinc deposit is a small, green deposit in Norway; however, after more than 300 stone-hosted, pyritic...at Løkken and in Trondheim district of central Norway (Fig. 1). the surrounding area have now ceased...geological setting of the Dragset deposit in central Norway. Also shown are the locations of the Løkken and |  | | Report (chapter) | | Grimsdalen Sulphide Deposits, Southern Trondheim Region, Norway STIG ASBJØRN SCHACK PEDERSEN Pedersen, S. A. S...Grimsdalen sulphide deposits, southern Trondheim region, Norway. Norges geol. Unders. 351, 77-98. The central part...the Folla Group, which are correlated with the Støren Group of the central and western parts of the region...group has been correlated with the Lower Ordovician Støren Group (Vogt 1945) of the central part of the Trondheim...Mesæterhø Group. It is a grey-white to yellow calcite marble that shows inten sive folding with hinge |  | | Report (issue) | | sulphide-bearing quartsbrecciaveins Calcite veins Main veins The calcite - nickel - cobalt arsenide-nativesilverveins...smaltite Chlorargyrite Fluorite Quartz Anatase Calcite Barite Erythrite Epidote Axinite Prehnite Asbestos...blend fluorite - axinite . pyrite paragenesis The calcite - barite - fluorite - sulphide - silver -Ni -Coarsenide...-Coarsenide paragenesis Page 117 The calcite - zeolite paragene sis Supergene ores and minerals . Comparison...his historical investigations arnived at the R. Støren, Min. ing., 1 has according to conclusion that |  | | Report (chapter) | | University of Oslo, Oslo, Norway 2 Present address: Core Energy, Oslo, Norway 3 Present address: BP...BP Exploration, Stavanger, Norway *Corresponding author (e-mail: r.h.gabrielsen@geo.uio.no) Abstract:...6. Continued. by distinguished calcite mineralization: the calcite being accumulated into bands parallel...remains of the fault lenses (Fig. 8b, d). The calcite bands are interbedded with thin, shaly layers,...contemporaneously with growth and dynamic recrystallization of calcite, presumeably under high fluid pressure. In this |  | | Catalog/List | | state of being. SILVER The silver mines of Norway are among the most significant in European history...significant mineral specimens. Provenance: Ragnvald Støren (1877–1953), smeltery master 1915–1947, Director...Silver Mines. Silver, Kongsberg Mine, Buskerud, Norway 15.3 cm tall x 12.8 cm wide RHODONITE The most...Co., Inner Mongolia 17 cm tall x 17 cm wide CALCITE Helictites are a form of speleothem formed by...rock dissolving calcite. The calcite is then precipitated on cave surfaces. As the calcite builds up after |  | | Journal (article/letter/editorial) | | the Uppermost Allochthon (UmA) mostly in northern Norway. The Neoproterozoic and Cambrian history of this...á P.M. Ihlen Geological Survey of Norway, N-7491 Trondheim, Norway e-mail: tor.grenne@ngu.no F.M. Vokes...Engineering, Hùgskoleringen 6, N-7491 Trondheim, Norway host to two characteristic types of stratabound-stratiform...higher levels in the nappe pile, in southwestern Norway, the western Trondheim Region, the western Grong...in the western Grong District and in southwest Norway. Orthomagmatic ores occur in the form of PGE mineralisation |  | | Report (issue) | | Peridotite at Engenbræ, Holandsfjord, Northern Norway. With 13 textfigures. Sammendrag: Bergartene omkring...delt inn i en undre og øvre, eller i en undre, midtre og øvre del. Disse delene, som man kunne kalle...faunisoner som karakteriserer henholdsvis undre, midtre og øvre pliocen i Los Angeles-bassenget fins alle...1929: The Cambrian beds of the Mjøsen district in Norway. - Norsk geol. tidsskr., 10, h. 3-4, pp. 307-365...1953: The Middle Ordovician of the Oslo Region, Norway. l. Introduction to stratigraphy. - Norsk geol |  | | Journal (article/letter/editorial) | | eclogite facies orogenic root (Western Gneiss Region, Norway) Short title: H-T equilibration of eclogite orogenic...Lutro Geological Survey of Norway, P.O. Box 6315 Sluppen, 7491-Trondheim, Norway *corresponding author:...northwestern-most part of the Western Gneiss Region, South Norway. The garnet-clinopyroxene rocks occur as lenses...biotite (Mg#=0.0.46-0.56; Ti = 0.51-0.59 a.p.f.u.), calcite, epidote and accessory rutile, ilmenite, zircon...2008). The Western Gneiss Region (WGR) of south Norway is famous for its preserved HP and UHP eclogites |  | Terry, Michael P., Robinson, Peter, Hamilton, Michael A., Jercinovic, Michael J. (2000) Monazite geochronology of UHP and HP metamorphism, deformation, and exhumation, Nordøyane, Western Gneiss Region, Norway. American Mineralogist, 85 (11) 1651-1664 doi:10.2138/am-2000-11-1208 | Journal (article/letter/editorial) | | and exhumation, Nordøyane, Western Gneiss Region, Norway MICHAEL P. TERRY,1,* PETER ROBINSON,1,2 MICHAEL...01003, U.S.A. 2 Geological Survey of Norway, N-7491 Trondheim, Norway 3 Geological Survey of Canada, 601...structural analysis. The Western Gneiss Region, Norway, is a giant tectonic window exposing large areas...plagioclase, potassium feldspar, quartz, muscovite, calcite, rutile, and monazite. In most respects this sample...timing of top-west shearing to be determined. Rare calcite and very coarse-grained muscovite typically occur |  | | Journal (article/letter/editorial) | | Geological Survey of Norway, NGU, Leiv Eirikssons vei 39, 7491 Trondheim, Norway University of Lyon I...ophiolite sequence from the Trondheim area, central Norway (Figs. 1 and 2), and assess its contribution toward...as part of the ‘Bymarka greenstones’ within the Støren Nappe of the Trondheim Nappe Complex (Carstens...meta-volcanic and meta-sedimentary sequences of Norway and Sweden (Roberts et al., 1970; Gee and Zachrisson...chlorite + epidote + titanite + quartz F biotite F calcite. The best preservation of blueschist-facies minerals |  | | Journal (article/letter/editorial) | | (natrolite and mesolite), chlorite (dia bantite), calcite and serpentine. The trachybasalt dykes are composed...magnetite as primary minerals, and chlorite and calcite as secondary ones. Whole rocks geochemical data...of the Støren Nappe in extensions west and southwest of Trondheim, Western Gneiss Region, Norway: a key |  | | Journal (article/letter/editorial) | | high-pressure to ultrahigh-pressure Western Gneiss Region, Norway E. O. WALSH* AND B. R. HACKER Department of Geological...(UHP) rocks in the Western Gneiss Region (WGR) of Norway were not exhumed from UHP depths in a single stage...Earth’s evolution. The UHP–HP terrane in the WGR of Norway (Fig. 1) is one of the world’s largest, covering...transect across the UHP/HP terrane of southwestern Norway (Fig. 2) was conducted to increase understanding...& B. R. HACKER Fig. 1. Geology of southwestern Norway, emphasizing the ultrahigh-pressure to high-pressure |  | | Journal (article/letter/editorial) | | (An99–73) with traces of K-feldspar, titanite, calcite, quartz with retrograde chlorite and epidote. The...prehnite) and accessory minerals (titanite and calcite) (Santosh et al., 2010; Python et al., 2011). Low...are composed of anorthite, potassium feldspar, calcite, epidote, titanite and rarely quartz and chlorite...compositions of carbonate minerals are identical to calcite with a small admixture of average values of SiO2...of the Støren Nappe in extensions west and southwest of Trondheim, Western Gneiss Region, Norway: a key |  | Ali-Bik, Mohamed W., Abd El Rahim, Said H., Wahab, Wael Abdel, Abayazeed, Salwa D., Hassan, Safaa M. (2017) Geochemical constraints on the oldest arc rocks of the Arabian-Nubian Shield: The late Mesoproterozoic to late Neoproterozoic (?) Sa'al volcano-sedimentary complex, Sinai, Egypt. Lithos, 284. 310-326 doi:10.1016/j.lithos.2017.03.031 | Journal (article/letter/editorial) | | groundmass of sericite, chlorite, epidote, opaques and calcite. 4.1.1.2. Basic to intermediate metavolcanics...exhibits porphyritic to intergranular texture. The calcite. Geochemical compositions AC 4.2. CE P mineral...the Støren Nappe in extensions west and southwest of Trondheim, TE western gneiss region, Norway: a...orthopyroxene (Opx), clinopyroxene (Cpx), dolomite and calcite are given as reference points. Symbols for the |  | Meinicke, N., Ho, S.L., Hannisdal, B., Nürnberg, D., Tripati, A., Schiebel, R., Meckler, A.N. (2020) A robust calibration of the clumped isotopes to temperature relationship for foraminifers. Geochimica et Cosmochimica Acta, 270. 160-183 doi:10.1016/j.gca.2019.11.022 | Journal (article/letter/editorial) | | Department of Earth Science, University of Bergen, Norway; b Institute of Oceanography, National Taiwan...form gametogenetic calcite prior to reproduction and the accumulation of thick calcite crusts. Table 1:...distribution Seasonality Gametogenic calcite reported Other secondary calcite reported Globigerina bulloides...waters yes no Remarks only specimens without calcite veneer selected for analysis only left-coiling...analysis only smooth tests without gametogenic calcite selected for analysis 2.2. Sample preparation |  | | Report (chapter) | | phase is composed of albite, epidote, chlorite, calcite, sericite, clay minerals and large amount of opaque...labradorite) is replaced partly by albite, epidote and calcite. The groundmass has been turned into chlorite,...mineral phases are composed of epidote, chlorite and calcite. Their grain sizes are between 1 and 3 mm. Pargasitic...epidote, chlorite, sericite, clay minerals and calcite are secondary minerals. Plagioclase and amphibole...Secondary mineral phase consists of epidote, chlorite, calcite and kaolinite. In fact, the Çavuşbaşı granodiorite |  | Ghasemi Siani, Majid, Mehrabi, Behzad, Neubauer, Franz, Cao, Shuyun, Lentz, David R. (2021) Geochronology, geochemistry, and origin of plagiogranitic rocks and related granitic dikes in the Dar Gaz district, Kahnouj ophiolite complex, SE Iran: Analysis of their petrogenesis in a back-arc tectonic setting. Lithos, 380. 105832pp. doi:10.1016/j.lithos.2020.105832 | Journal (article/letter/editorial) | | accessory phases. Kaolinite, chlorite, sericite, and calcite are secondary alteration phases in these rocks...of the Støren nappe in extensions west and southwest of Trondheim, western gneiss region, Norway: a key...plagiogranites from the Karmoy Jo ophiolite, western Norway. Contributions to Mineralogy and Petrology 88, |  | Ackerman, Lukáš, Hajná, Jaroslava, Žák, Jiří, Erban, Vojtěch, Sláma, Jiří, Polák, Ladislav, Kachlík, Václav, Strnad, Ladislav, Trubač, Jakub (2019) Architecture and composition of ocean floor subducted beneath northern Gondwana during Neoproterozoic to Cambrian: A palinspastic reconstruction based on Ocean Plate Stratigraphy (OPS) Gondwana Research, 76. 77-97 doi:10.1016/j.gr.2019.07.001 | Journal (article/letter/editorial) | | aggregates of zoisite, clinoizoisite, pumpellyite and calcite replace SC primary plagioclase. Actinolite together...pillow breccia or amygdales together with chlorite, calcite, epidote group minerals and D microcrystalline...also CE common (e.g., sample 17CB31). Relics of calcite and chlorite pseudomorphs after olivine were found...Commonly high levels of CO2 and the presence of calcite suggest that carbonitization likely represented...the støren nappe in extensions west and southwest of CE Trondheim, Western Gneiss Region, Norway: a |  | Candeias, Carla, Ávila, Paula Freire, Alves, Célia, Gama, Carla, Sequeira, Cristina, da Silva, Eduardo Ferreira, Rocha, Fernando (2021) Dust Characterization and Its Potential Impact during the 2014–2015 Fogo Volcano Eruption (Cape Verde) Minerals, 11 (11) 1275 doi:10.3390/min11111275 | Journal (article/letter/editorial) | | volcano emissions. Secondary minerals, such as calcite, may result from volcanic weathered particles or...characteristic of the eruption; (g) raft-like calcite aggregate; (h) rounded Fe and Ca enriched particles...[CrossRef] Butwin, M.K.; Pfeffer, M.A.; von Löwis, S.; Støren, E.W.N.; Bali, E.; Thorsteinsson, T. Properties |  | | Journal (article/letter/editorial) | | epidote, ± calcite in the southern parts of CED, and chlorite stilpnomelane, and calcite in the north...hydrothermal alteration manifested by veins of calcite and other Ca–rich minerals, and/ or a characteristic...minerals: magnetite, hematite, garnet, epidote, and calcite (Fig. 4a). Minor amounts of one or more of the...embedded in a matrix of calcite (with some ankerite and siderite). Like quartz, calcite also occurs in an intricate...alteration in the form of an intricate network of calcite veins is most obvious in Wadi Kareim which is located |  | | Journal (article/letter/editorial) | | known are considered a result of replacement of calcite by silica. The cones are developed perpendicular...slickensides. a) Slickensides in metapelite, near Støren (Norway). Photo courtesy U. Raschke, Museum f€ ur Naturkunde...Australia (Western Australia) USA (Illinois) Norway Australia (Northern Territory) Country (state)...(North Dakota) Canada (Northwest Territories) Libya Norway Canada (Nova Scotia) Chile Poland South Africa...Finland Ukraine Namibia USA (Wisconsin) Argentina Norway France Germany Russia USA (North Dakota) Brazil |  | | Report (issue) | | B. 2, side 39—78. R. Everest A journey tbrouFk Norway, Lappland and part of Sweden. London 1829. — Særlig...horizontalplanét; i saa fald maatte nemlig den midtre arm (LO) være bleven udpresset til ganske liden...hidtil kjendes, ikke noget sted op i dagen. I den midtre og nordre del af feltet forefindes der «ogle indleininger...et nogenlunde betydeligt leie i den øvre eller midtre del af det store kalklag følges i flere 100 m/s...Gula-skiferne" nogle jernbane stationer syd for Støren); desuden er indleiet nogle halvkrystal liußk6 |  | | Journal (issue) | | The carbonate of lime was no doubt the result of calcite contamination. Obviously, a greater quantity of...crystals are implanted. (3) White calcareous spar [calcite]. (4) Fragments of compact limestone. From all...2.2 cm, and the small crystal with an attached calcite crystal (enlarged in the inset) measures just 8...attached to a similarly sized crystal of what must be calcite. He gives the species name as “calx cupreo-carbonata...with green or are entirely colorless [probably calcite]. A main vein, which is said to have originally |  | | Journal (issue) | | Paul Brandes photo. 35 Figure 20. Analcime with calcite and apophyllite, 16.5 cm, from the Cliff mine....Museum collection; John Jaszczak photo. Figure 25. Calcite crystals with epidote and prehnite, 6.5 cm, from...localities in the eastern United States. Calcite CaCO3 Calcite is a common vein-filling mineral as massive...are scalenohedral less commonly rhombohedral. Calcite crystals are sometimes white and opaque, but are...pale yellow and transparent. Copper inclusions in calcite are not uncommon, but the Cliff mine is not a particularly |
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