 | Ganzhorn, A. C., Labrousse, L., Prouteau, G., Leroy, C., Vrijmoed, J. C., Andersen, T. B., Arbaret, L. (2014) Structural, petrological and chemical analysis of syn-kinematic migmatites: insights from the Western Gneiss Region, Norway. Journal of Metamorphic Geology, 32 (6) 647-673 doi:10.1111/jmg.12084 | Journal (article/letter/editorial) | | migmatites: insights from the Western Gneiss Region, Norway. A.C. GANZHORN,1,2,3,4,5 L. LABROUSSE,1,2 G. PROUTEAU...of Oslo, P.O. Box 1048 Blindern, N-0316, Oslo, Norway. Running title: Chemical, petrological and structural...(WGR) in the core of the Caledonian orogen, Western Norway and the dynamic significance of melting for the...Jotunheimen Detachment Zone to the East and the Møre-Trøndelag Shear Zone (MTSZ) to the North (Fig. 1). The...compiled in Labrousse et al., 2011). Numerous titanite ages, relevant for dating the amphibolite overprint |  | Müller, Axel, Ganerød, Morgan, Wiedenbeck, Michael, Svendsen Spjelkavik, Skule, Selbekk, Rune (2018) The Hydrothermal Breccia of Berglia-Glassberget, Trøndelag, Norway: Snapshot of a Triassic Earthquake. Minerals, 8 (5) 175 doi:10.3390/min8050175 | Journal (article/letter/editorial) | | Hydrothermal Breccia of Berglia-Glassberget, Trøndelag, Norway: Snapshot of a Triassic Earthquake Axel Müller...History Museum, P.O. Box 1172 Blindern, 0318 Oslo, Norway Natural History Museum of London, Cromwell Road...UK Geological Survey of Norway, P.O. Box 6315 Torgard, 7491 Trondheim, Norway; Morgan.Ganerod@ngu.no German...History, NTNU University Museum, NO-7491 Trondheim, Norway; skule.olaus@gmail.com Correspondence: a.b.mueller@nhm...Berglia-Glassberget in the Lierne municipality in central Norway forms an ellipsoid structure 250 m × 500 m in size |  | | Journal (article/letter/editorial) | | schistosity or occur in several types of discordant veins. In addition to the chemical and mineralogical controls...and in carbonate-hosted deposits at Franklin, New Jersey, (Dunn 1995) and in Sweden and Norway (Långban-type...incorporating these elements occur mostly in late veins that postdate the peak of metamorphism. Arsenic...(Guilbert & Park 1986), and their occurrence in late veins within syngenetic Fe–Mn deposits has in some cases...between metamorphic climax and formation of the late veins, because geochemical studies aim to reconstitute |  | | Journal (article/letter/editorial) | | Na-metasomatism in the Sveconorwegian Bamble Sector of South Norway Ane K. Engvik a, *, Peter M. Ihlen a, Håkon Austrheim... Geological Survey of Norway, P.O.Box 6315, Sluppen, N-7491 Trondheim, Norway Department of Geosciences...University of Oslo, P.O.Box 1047, Blindern, N-0316 Oslo, Norway a r t i c l e i n f o a b s t r a c t Article...end-member sodic plagioclase (An0e5Ab94e99) with minor carbonate (calcite and dolomite), rutile, clinopyroxene...(En30Fs21e23Wo47e49), amphibole (edenite-pargasite), quartz, titanite, tourmaline, epidote (Fe3þ ¼ 0.20 e0.85 a.p.f |  | | Journal (volume) | | crystallization of albite diabases. Various mineral veins are associated with the albite diabases and a lbitites.... . . . . . . . . . . . . . . . . . . MINERAL VEINS .... ...... .... . .. . .... .... .. . .. . ......basic extrusives, black schists and sedimentary carbonate rocks. Albite diabases appear as sills and lenses...varieties. Most often they are albite-rich and carbonate-bearing. Some contain quartz (quartz keratophyres)...Commission geologique de Finlande N: 0 195. Mineral veins are associated with the albite diabases and albitites |  | Honour, V.C., Goodenough, K.M., Shaw, R.A., Gabudianu, I., Hirtopanu, P. (2018) REE mineralisation within the Ditrău Alkaline Complex, Romania: Interplay of magmatic and hydrothermal processes. Lithos, 314. 360-381 doi:10.1016/j.lithos.2018.05.029 | Journal (article/letter/editorial) | | was subsequently cut by REE-mineralised carbonate-rich veins. Geochemical and petrological data, including...chemistry, from the alkaline igneous rocks, dykes and veins within the Ditrău Complex, have been used to assess...the REE were preferentially incorporated into titanite and apatite in ultramafic cumulates during primary...hydrothermal minerals such as zircon and pyrochlore within veins. REE mineralisation within the Ditrău Complex is...the latest hydrothermal phase, mineralised carbonate-rich veins, which cross-cut the complex. Monazite is |  | Lentz, Carlin, Thorne, Kathleen, McFarlane, Christopher R. M., Archibald, Douglas A. (2020) U-Pb, Ar-Ar, and Re-Os Geochronological Constraints on Multiple Magmatic–Hydrothermal Episodes at the Lake George Mine, Central New Brunswick. Minerals, 10 (6) 566 doi:10.3390/min10060566 | Journal (article/letter/editorial) | | W-Mo bearing quartz veins as well as a system of As-Au bearing quartz–carbonate veins. In situ U-Pb zircon...geochronology was conducted on two W-Mo-bearing quartz veins, which cross-cut altered granodiorite and altered...alteration associated with Au-bearing quartz–carbonate veins yielded one representative plateau segment...non-graphitic shale with variable amounts of carbonate (up to 40%). These sedimentary rocks preserve...[20], which yielded a date of 415 ± 1 Ma (U-Pb titanite). The dates obtained for the other granitoids |  | Fitzpayne, Angus, Giuliani, Andrea, Phillips, David, Hergt, Janet, Woodhead, Jon D., Farquhar, James, Fiorentini, Marco L., Drysdale, Russell N., Wu, Nanping (2018) Kimberlite-related metasomatism recorded in MARID and PIC mantle xenoliths. Mineralogy and Petrology, 112. 71-84 doi:10.1007/s00710-018-0573-z | Journal (article/letter/editorial) | | display secondary features, such as cross-cutting veins and geochemical zonation of matrix minerals, which...studied. MARID-hosted veins contain both carbonate and Ti-rich phases (e.g., titanite, phlogopite), suggesting...mineral rims are spatially associated with carbonate-dominated veins, suggesting a genetic relationship between...69 ‰) and sulfides (δ34SVCDT = −0.69 ‰) in carbonate veins reflect equilibration at temperatures of 850–900...in the lithospheric mantle. In contrast, vein carbonate C-O isotope systematics (δ13CVPDB = −9.18 ‰; δ18OVSMOW |  | Harbi, Hesham M., Ali, Kamal A., McNaughton, Neal J., Andresen, Arild (2018) U-Pb zircon and 40Ar/39Ar geochronology of sericite from hydrothermal alteration zones: new constraints for the timing of Ediacaran gold mineralization in the Sukhaybarat area, western Afif terrane, Saudi Arabia. Mineralium Deposita, 53 (4) 459-476 doi:10.1007/s00126-017-0751-7 | Journal (article/letter/editorial) | | comprises quartz-arsenopyrite veins (Sukhaybarat East), quartz-carbonate-pyrite veins (Red Hill), and subordinate...subordinate gold-base metal sulfide veins. In the Red Hill deposit, alteration is complicated due to multiple...alteration characterized by a quartz-biotite-carbonate-muscovite/sericite-rutile-apatite assemblage....This assemblage is associated with molybdenite veins which appear to form late in the paragenetic sequence...Sukhaybarat East deposit is dominated by quartz-carbonate-sericite-arsenopyrite assemblages. Zircon from |  | Pandur, Krisztina, Ansdell, Kevin M., Kontak, Daniel J., Halpin, Kimberley M., Creighton, Steven (2016) Petrographic and Mineral Chemical Characteristics of the Hoidas Lake Deposit, Northern Saskatchewan, Canada: Constraints on the Origin of a Distal Magmatic-Hydrothermal REE System. Economic Geology, 111 (3) 667-694 doi:10.2113/econgeo.111.3.667 | Journal (article/letter/editorial) | | Canada Abstract The diopside-allanite veins and apatite breccia veins of the Hoidas Lake light rare earth...Paleoproterozoic host rocks in the Rae subprovince. The veins were emplaced along the Hoidas-Nisikkatch fault...melts and fluids. Allanite in the diopside-allanite veins is concentrically zoned, reflecting rare earth element...followed by REE enrichment. Later apatite breccia veins comprise multiple apatite generations. Graphic-textured...allanite, the last occurring in late quartz-carbonate veins and containing up to 32.9 wt % TREO. The chemistry |  | Duncan, R. J., Stein, H. J., Evans, K. A., Hitzman, M. W., Nelson, E. P., Kirwin, D. J. (2011) A New Geochronological Framework for Mineralization and Alteration in the Selwyn-Mount Dore Corridor, Eastern Fold Belt, Mount Isa Inlier, Australia: Genetic Implications for Iron Oxide Copper-Gold Deposits. Economic Geology, 106 (2) 169-192 doi:10.2113/econgeo.106.2.169 | Journal (article/letter/editorial) | | Colorado 80523, and Geological Survey of Norway, 7491 Trondheim, Norway of Applied Geology, Curtin University...Abstract New Re-Os in molybdenite and U-Pb in titanite and zircon age data have been used to discern...activity; a metamorphic fluid source is proposed. Titanite from a preore alteration assemblage at Mount Elliott...Elliott and SWAN deposits is favored given that the titanite and main-stage molybdenite ages are similar to...Squirrel Hills Granite. Molybdenite-bearing calcite veins that crosscut main-stage IOCG mineralization at |  | Wellnitz, A. Katrin, Scott, James M., Martin, Candace E., Palin, J. Michael, Stirling, Claudine H., Reid, Malcolm R., Wombacher, F., Craw, Dave (2019) Carbonation reactions and coupled element and isotope redistribution during shallow crustal gold mineralisation, New Zealand. Mineralium Deposita, 54 (5) 743-760 doi:10.1007/s00126-018-0838-9 | Journal (article/letter/editorial) | | alteration zones rich in carbonate are excellent vectors for orogenic gold-bearing veins, but the extent of...redistribution around Miocene quartz-carbonate-sulphide-gold-bearing veins in meta-turbidite (greyschist) and...mineralising fluids with high CO2 activity was epidote < titanite < actinolite < chlorite and muscovite, with their...breakdown promoting simultaneous precipitation of carbonate, white mica, rutile, quartz, pyrite, arsenopyrite...microscopic scale during the replacement of metamorphic titanite. Similarly, rare earth elements (REE; La to Lu) |  | Zozulya, Dmitry, Kullerud, Kåre, Ravna, Erling, Savchenko, Yevgeny, Selivanova, Ekaterina, Timofeeva, Marina (2018) Mineralogical and Geochemical Constraints on Magma Evolution and Late-Stage Crystallization History of the Breivikbotn Silicocarbonatite, Seiland Igneous Province in Northern Norway: Prerequisites for Zeolite Deposits in Carbonatite Complexes. Minerals, 8 (11) 537 doi:10.3390/min8110537 | Journal (article/letter/editorial) | | Silicocarbonatite, Seiland Igneous Province in Northern Norway: Prerequisites for Zeolite Deposits in Carbonatite...of Geology, University of Tromsø, N-9037 Tromsø, Norway; Kare.Kullerud@bvm.no (K.K.); ekr001@post.uit.no...R.) Norwegian Mining Museum, N-3616 Kongsberg, Norway Correspondence: zozulya@geoksc.apatity.ru; Tel...silicocarbonatite (Seiland igneous province, North Norway), allowing conclusions to be drawn concerning its...amphibole + zeolite group minerals + garnet + titanite, with apatite, allanite, magnetite and zircon |  | Melcher, F., Prochaska, W., Raith, J., Thalhammer, O., Mali, H., AlHakim, A., Altenberger, F., Berger, M., Grafinger, S., Hampl, F., Lamprecht, C., Layr, K., Pupp, M., Steiner, T. (2018) Mineral deposits of Lapland: excursion guide of the Montanuniversität Leoben. Mitteilungen der Österreichischen Mineralogischen Gesellschaft, 164. | Journal (article/letter/editorial) | | large parts of Fennoscandia in Finland, NW Russia, Norway and Sweden (Figure 2). Archean crust occurs in...orthopyroxenite. The outcrops are crosscut by quartz veins containing contain blue high-temperature quartz...mineralogical ore types can be classified as a talc-carbonate, serpentinite, tremolite and a chlorite based...mineralised zone and the footwall is visible. Pegmatite veins are in contrast to the surrounding rock, hosting...Accessory components are pyrite, chalcopyrite and titanite. Alteration of the host rocks is mainly expressed |  | | Journal (article/letter/editorial) | | University of Oslo, PO Box 1048, N-0316, Oslo, Norway 3 Jo ur na lP Geological Survey of Newfoundland...lithologies from the Leka ophiolite complex, of Norway, preserve mantle signatures and thus provide evidence...importance, because the formation and dissolution of carbonate phases connect it to the carbon cycle and thus...ophiolite complexes, such as the Leka ophiolite in Norway, provide exposures where the complex process of...ophiolite complex is located on Leka island, Trøndelag, central Norway (Figure 1 A) and is the best-preserved |  | | Journal (article/letter/editorial) | | clinopyroxene, perovskite, biotite, apatite, titanite, sodalite and FeTi oxides, all present as phenocrysts...identical primary clinopyroxene, biotite and carbonate compositions from carbonatites and nephelinites...melting of carbonated peridotite can generate carbonate liquids in the upper mantle (Wallace and Green...is strongly fenitized and covered and cut by carbonate-rich sinter crusts Field relations occur. The...to yellow silicate rocks containing abundant carbonate minerals. The sills are crosscut by up to 2-m-thick |  | McAteer, Claire A., Stephen Daly, J., Flowerdew, Michael J., Connelly, James N., Housh, Todd B., Whitehouse, Martin J. (2010) Detrital zircon, detrital titanite and igneous clast U–Pb geochronology and basement–cover relationships of the Colonsay Group, SW Scotland: Laurentian provenance and correlation with the Neoproterozoic Dalradian Supergroup. Precambrian Research, 181 (1) 21-42 doi:10.1016/j.precamres.2010.05.013 | Journal (article/letter/editorial) | | com/locate/precamres Detrital zircon, detrital titanite and igneous clast U–Pb geochronology and basement–cover...Colonsay Group U–Pb geochronology Zircon Detrital titanite Neoproterozoic a b s t r a c t A multidisciplinary...study, including in situ U–Pb dating of detrital titanite, was undertaken on the enigmatic low-grade metasediments...zircon ages). U–Pb (SIMS) analyses of detrital titanite record Grenville metamorphic events in the source...the case for Neoproterozoic successions in Arctic Norway (Kirkland et al., 2007). 22 C.A. McAteer et |  | | Journal (article/letter/editorial) | | potassic syenitic rocks and emplacement of carbonate veins and breccias occurred during retrogressive...alternations of Ol+Spl-rich and carbonate-rich bands, respectively. Within the carbonate matrix, the noncarbonate...basic/ultrabasic source areas in the course of the carbonate sedimentation. The high Cr content of spinel in...3 Di+5Dol+2Spl+8H O . 2 2 Consequently, in a carbonate sediment made up of various proportions of calcite...(Fig. 3a). The carbonatites occur as stocks and veins in the central part of the body and a characteristic |  | | Journal (article/letter/editorial) | | metamorphic zone are characterized by uraninite and titanite with higher uranium concentrations. The chemical...seams are cut by premetamorphic quartzchlorite veins. Examples at higher metamorphic grade have textures...HYDROTHERMAL ALTERATION Epidote (from HYMAP images) Carbonate-iron oxide (Bain et al., 1992; NE part of map...of epidote (HYMAP data: Yang et al., 2000) and carbonate-iron oxide alteration zones (from Bain et al....siltstones, mudstones, and shales, with varying carbonate and siliclastic components, which were deposited |  | Jaguin, Justine, Boulvais, Philippe, Poujol, Marc, Bosse, Valérie, Paquette, Jean-Louis, Vilbert, David (2013) Albitization in the Antimony Line, Murchison Greenstone Belt (Kaapvaal Craton): A geochemical and geochronological investigation. Lithos, 168. 124-143 doi:10.1016/j.lithos.2013.01.010 | Journal (article/letter/editorial) | | Sb-(± Au) deposits are located in a major quartz-carbonate altered brittle–ductile structure known as the...schists to various massive pinchedand-swell quartz-carbonate schists (Muff and Saager, 1979; Pearton and Viljoen...in cm-scale sulphide-veinlets or in quartz-carbonate veins (e.g. Maiden and Boocock, 1987). The paragenesis...isolated or associated in clusters together with titanite and epidote (MUR 09-5a, bar scale 500 μm). (d)...1.18 0.35 1.07 1.79 0.07 0.04 0.00 End-member carbonate, mole % 4 51 16 46 79 3 2 0 0 99 0 3 97 0 0 |  | Walters, A. S., Goodenough, K. M., Hughes, H. S. R., Roberts, N. M. W., Gunn, A. G., Rushton, J., Lacinska, A. (2013) Enrichment of Rare Earth Elements during magmatic and post-magmatic processes: a case study from the Loch Loyal Syenite Complex, northern Scotland. Contributions to Mineralogy and Petrology, 166 (4) 1177-1202 doi:10.1007/s00410-013-0916-z | Journal (article/letter/editorial) | | activity is evident in the form of narrow altered veins dominated by biotite and magnetite; these Communicated...is extremely enriched in the biotite–magnetite veins, which have up to 2 % total rare earth oxides in...biotite–magnetite veins. Dating of allanite and titanite in the biotite–magnetite veins gives ages of c...pegmatite sheets, microgranite veins and biotite– magnetite-rich alteration veins. The Mixed Syenite Zone occurs...magma phases has occurred (Hughes et al. 2013). Veins of leucosyenite and of later microgranite cut the |  | Banerjee, Neil R., Furnes, Harald, Muehlenbachs, Karlis, Staudigel, Hubert, de Wit, Maarten (2006) Preservation of ∼3.4–3.5 Ga microbial biomarkers in pillow lavas and hyaloclastites from the Barberton Greenstone Belt, South Africa. Earth and Planetary Science Letters, 241 (3) 707-722 doi:10.1016/j.epsl.2005.11.011 | Journal (article/letter/editorial) | | University of Bergen, Allegt. 41, 5007 Bergen, Norway Department of Earth and Atmospheric Sciences, University...were preserved by precipitation of fine-grained titanite during greenschist facies metamorphism associated...of the tubes and low d 13C values of bulk-rock carbonate in formerly glassy samples support a biogenic...characteristically low d 13C values of disseminated carbonate within the altered glass rims of pillows compared...characteristically low d 13C values of disseminated carbonate within microbially altered basaltic glass [4,8 |  | Tedeschi, Michael, Hagemann, Steffen G., Roberts, Malcolm P., Evans, Noreen J. (2018) The Karouni Gold Deposit, Guyana, South America: Part II. Hydrothermal Alteration and Mineralization. Economic Geology, 113 (8) 1705-1732 doi:10.5382/econgeo.2018.4610 | Journal (article/letter/editorial) | | and as coarse native gold within the quartz-carbonate veins. Minor gold is also located within Au-bearing...within NWtrending, steeply dipping V2a quartz-carbonate veins in ductile high MgO basalts as well as in extensional-style...extensional-style N-S, steeply dipping V2b veins hosted in rheologically competent high TiO2 † Corresponding...metal-poor, structurally controlled quartz-carbonate veins hosted within greenschist facies volcano-sedimentary...provides detailed petrographic descriptions of the veins and the surrounding alteration zones in each of |  | | Journal (article/letter/editorial) | | Ivanov et al., 1996). In addition, hydrothermal veins contain a spectrum of minerals containing chromium...which is sometimes called “saranite” (4.4% Cr2O3), titanite (Cr2O3, up to 2.0%), zoisite (Cr2O3, 3.7–6.6%)...is the main rock-forming mineral in mica and carbonate–mica metasomatic rocks. In this area, it was previously...rocks are stilpnomelane-bearing rocks. Calcite veins containing Cr-bearing minerals are confined spatially...clinochlore and yellowish-green crystals of Cr-bearing titanite on uvarovite crystals. In the second case, chromceladonite |  | | Journal (article/letter/editorial) | | fluorapatite as the main REE carriers. The mineralized veins cut Archean and Paleoproterozoic orthogneisses and...hornblende-, hyalophane-, and titanite-bearing veins, and later breccia veins that contain several stages...mineralized veins record hydrothermal alteration with nucleation of monazite and REE-carbonate inclusions...allanite, respectively. Barren quartz-, carbonate-, and hematite-rich veins represent the final stage of hydrothermal...hyalophane-bearing pegmatites, apatite breccia veins, and quartz-carbonate veins, used for fluid inclusion petrography |
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