 | Carswell, D. A, Krabbendam, M., Cuthbert, S. J., Eide, E. A, Brueckner, H. K., Medaris Jr, L. G (2003) Guidebook to the Field Excursions in the Nordfjord-Stadlandet-Almklovdalen Area. Norges Geologiske Undersøkelse. Rapport 2003.056. Norges Geologiske Undersøkelse (NGU) | Report (issue) | | Geological Survey of Norway N-7441 Trondheim, Norway Tel.: 47 73 90 40 00 Telefax 47 73 92 16 20 REPORT...Excursions in the Nordfjord – Stadtlandet – Almklovdalen Area Authors: Client: D.A. Carswell, S. J...by E. A. Eide County: NGU Commune: Møre og Romsdal; Sogn og Fjordane Map-sheet name (M=1:250.000)...excursions conducted during the Alice Wain Memorial West Norway Eclogite Field Symposium held in Selje from June...peridotites that outcrop in the coastal region of west Norway between Bergen and Trondheim. These occurrences |  | | Journal (article/letter/editorial) | | DISTRIBUTION IN BASIC AND ULTRABASIC ROCKS FROM WEST NORWAY L.B. GARMANN, A.O. BRUNFELT, K.G. FINSTAD and...S. HEIER Mineralogical-Geological Museum, Oslo (Norway) (Accepted for publication February 4, 1975) ABSTRACT...distribution in basic and ultrabasic rocks from west Norway. Chem. Geol., 15: 103--116. Samples of ten eclogites...dunite-peridotites from the Nordfjord-Molde area, west Norway were analysed for La, Ce, Nd, Sm, Eu, Gd, Tb, Yb...magnitude. This is explained by the higher content of tremolite in the most REE-enriched sample. INTRODUCTION |  | | Journal (article/letter/editorial) | | Contact and Fracture Uhramafic Assemblages from Norway: Rb--Sr Evidence for Crustal Contamination* Hannes...Basal Gneiss Complex of the Caledonides of southern Norway. Minerals from anhydrous assemblages that occur...~------'~'~- ~_~p(-~o~--~-x}. o To.fjord Almklovdalen~.. o o ~ " : : ' . " : . ' "".' 1 : '-',-.'...map of the Basal Gneiss Complex of southwestern Norway showing the disgribution of ultramafic rocks ratios...The presence of such minerals as phlogopite, tremolite, magnesite, and enstatite in some of these zones |  | | Journal (article/letter/editorial) | | classic eclogite-facies rocks of western south Norway described by Eskola (1921) formed from several...eclogite-facies rocks within the Caledonian Orogenic Belt of Norway. These data suggest that the "country rock eclogites"...(Holtedahl, 1944) of the Caledonides of southwestern Norway (Fig. 1). The study of these rocks has historically...assemblages (serpentinites, chlorite schists, and talc-tremolite-magnesite rocks) in the east. The regional metamor-...map of the Basal Gneiss Complex of southwestern Norway showing distribution of ultramafic rock (circle) |  | | Journal (article/letter/editorial) | | Mineralogisk-Geologisk Museum, Sarsgate 1, N-Oslo 5, Norway. *Present address: Department of Geology, University...D' in Fig. 1). Most of these are found in north Norway, especially east of Seiland, although some occur...'peridotites and serpentinites' on the geologic map of Norway (Holtedahl & Dons 1960). Brief and usually inadequate...LITHOS 10 (1977) "0 SIMPLIFIED GEOLOGICALMAP OF NORWAY SHOWING THE TYPE AND DISTRIBUTION OF SOME ALPINE-TYPE.... . . . . . . J Simplified geological map of Norway showing the type and distribution of the alpine-type |  | WANG, Q., XIA, Q.-K., O’REILLY, S. Y., GRIFFIN, W. L., BEYER, E. E., BRUECKNER, H. K. (2013) Pressure- and stress-induced fabric transition in olivine from peridotites in the Western Gneiss Region (Norway): implications for mantle seismic anisotropy. Journal of Metamorphic Geology, 31 (1) 93-111 doi:10.1111/jmg.12011 | Journal (article/letter/editorial) | | from peridotites in the Western Gneiss Region (Norway): implications for mantle seismic anisotropy Q...dunites from the HP central WGR (the Gurskøy, Almklovdalen and Tafjord areas) show the A-type olivine fabric...sheared HP garnet peridotites and dunites from the Almklovdalen and Tafjord areas, suggesting the dominant activation...km wide, stretching along the western coast of Norway from Bergen in the south to Trondheim in the north...ultrahigh-pressure (UHP) eclogites in the Western Gneiss Region, Norway (modified after Beyer et al., 2004 and Root et al |  | | Journal (article/letter/editorial) | | occur among gneisses in the Tafjord district of Norway are cold intrusions emplaced as crystalline rocks...representing material from the Tafjord and Almklovdalen districts of Norway, a garnetiferous peridotite mass near...peridotite nodules in basalts. The garnet-peridotites of Norway, Switzerland and South Africa are believed to be...3. Peridotites and garnet peridotites of South Norway and Switzerland, e.g. Eskola (1921), Dal Vesco...Garnet-bearing peridotites are known from orogenic zones in Norway and many other parts of Central Europe. Eskola |  | | Journal (article/letter/editorial) | | Microstructural Evolution of Amphibole Peridotites in Åheim, Norway, and the Implications for Seismic Anisotropy in...Geoscience, University of Oslo, Blindern, N-0316 Oslo, Norway; h.o.austrheim@geo.uio.no Correspondence: hjung@snu...microstructure of amphibole peridotites from Åheim, Norway were analyzed to understand the evolution of the...an abundant amount of hydrous minerals such as tremolite. Detailed microstructural analysis on the Åheim...calculated seismic anisotropy of the tremolite showed that tremolite can contribute to the trench-parallel |  | | Journal (article/letter/editorial) | | garnet peridotites in the Western Gneiss Region of Norway L.G. Medaris, Jr. Department of Geology and Geophysics...USA Abstract. In the Western Gneiss Region of Norway are found numerous peridotite lenses which have...number of localities in Europe, including western Norway, the Bohemian massif, the Lepontine Alps, Ronda...peridotites have emerged from studies of these rocks in Norway, where peridotites, locally garnetiferous, are...O'Hara (1965a, b) at Almklovdalen and Kalskaret, Lappin (1966) at Almklovdalen, and Carswell (1968a, |  | | Journal (article/letter/editorial) | | Exposed Peridotites in the Western Gneiss Region, Norway 1 ARC NATIONAL KEY CENTRE FOR GEOCHEMICAL EVOLUTION...localities in the Western Gneiss Region (WGR) of western Norway; garnet peridotites typically occur as discrete...pyroxenites and eclogites. The dunites of the large Almklovdalen peridotite body have extremely depleted compositions...mantle; Proterozoic mantle; Western Gneiss Region, Norway; mantle metasomatism; garnet peridotite *Corresponding...across the Western Gneiss Region (WGR) of western Norway (Fig. 1) and typically occur as small volumes |  | | Journal (article/letter/editorial) | | peridotite and associated eclogites, Almklovdalen, Western Norway L. G. MEDARIS, JR. L1THOS Medaris...peridotite and associated eclootes, AlmHo~dalen, Western Norway. Lithos 13, 339-353. Oslo. ISSN 002a-~D37. Core...sequence of the Basal Gneiss region in western Norway. Three modes of origin have been proposed for these...of garnet peridofite and pyroxenite in wes~.ern Norway is located within the Lien peridotite (Fig. 1)...which is part of a large ultramafic body in Almklovdalen (Gr~nl/e & Rost 1974), located about 15 km southeast |  | Kremer, Dario, Etzold, Simon, Boldt, Judith, Blaum, Peter, Hahn, Klaus M., Wotruba, Hermann, Telle, Rainer (2019) Geological Mapping and Characterization of Possible Primary Input Materials for the Mineral Sequestration of Carbon Dioxide in Europe. Minerals, 9 (8) 485 doi:10.3390/min9080485 | Journal (article/letter/editorial) | | geological settings: • • • Ultramafic intrusions (e.g., Norway, Germany); Ophiolite complexes (e.g., Greece, Italy...samples different European [6,7]. countries, namely Norway, Spain, Italy, Turkey, and Greece, and one sample...composition. Besides, German countries, namely Norway, Spain, Italy, Turkey, and Greece, and one sample...numbers of peridotites can be found in Figure 2. Norway, Spain, Greece, Italy, and Turkey are major olivine...olivine producing countries in Europe, with Norway, Spain, Greece, Italy, and Turkey are major olivine |  | | Journal (article/letter/editorial) | | the Basal Gneisses in the Selje District, Western Norway by M. A. LAPPIN 1 and D. C. SMITH 2 * 1 Department...Scotland.2 Geological Survey of Norway, P.O. Box 3006, 7001 Trondheim, Norway ABSTRACT 'Country-rock eclogite'...gneisses in the Basal Gneiss Region of Western Norway. Sixty-nine new microprobe analyses for garnets...revisedform 15 June 1977) ECLOGUES FROM SELJE, WESTERN NORWAY 531 poor rather than olivine-rich upper mantle...February 10, 2015 THE Basal Gneiss Region of W. Norway is a diverse group of rocks lying within the Caledonian |  | | Journal (article/letter/editorial) | | 0316 Oslo, Norway Department of Geosciences, University of Oslo, P.O. Box 1047, 0316 Oslo, Norway a r t...conditions on a natural peridotite from Almklovdalen (W-Norway) to investigate the microstructure and...alpine-type peridotite massif located at Almklovdalen (western Norway). During late Caledonian uplift, this...[Mg/(Mg + Fetot) × 100 ≈94; Al2O3 ≈ 3–5 wt.%], tremolite [Mg/(Mg + Fetot) × 100 ≈ 96; Al2O3 ≈ 1 wt.%],...Opx = orthopyroxene; Clc = clinochlore; Tre = tremolite; Mg-Hbl = magnesiohornblende; Tlc = talc; Srp |  | Brueckner, H.K., Carswell, D.A., Griffin, W.L., Medaris, L.G., Van Roermund, H.L.M., Cuthbert, S.J. (2010) The mantle and crustal evolution of two garnet peridotite suites from the Western Gneiss Region, Norwegian Caledonides: An isotopic investigation. Lithos, 117 (1) 1-19 doi:10.1016/j.lithos.2010.01.011 | Journal (article/letter/editorial) | | the Western Gneiss Region (WGR) of southwestern Norway (Fig. 1). Many of them have lost their pre-orogenic...garnet-bearing rocks at several localities (Almklovdalen, Aldalen, and Otrøy). The garnet-bearing peridotite...contain an assemblage of olivine+ orthopyroxene±tremolite±chlorite±spinel, which is isofacial with the amphibolite...lhz pyr 15 25 40 10 20 50 15 15 5 60 40 5 Almklovdalen SU1G SU1J SU1K SU1R SU99A SU98B Ah-1 Ar-8 Ag-11...Bardane peridotite, Brueckner et al., 2002; CW Almklovdalen peridotite, Beyer et al., 2004). In one case |  | | Journal (article/letter/editorial) | | Amphibole in Amphibole Peridotites from Åheim, Norway Sejin Jung 1 , Takafumi Yamamoto 2,† , Jun-ichi...Amphibole in Amphibole Peridotites from Åheim, Norway. Minerals 2021, 11, 1018. Tectonophysics Laboratory...Abstract: Amphibole peridotite samples from Åheim, Norway, were analyzed to understand the deformation mechanism...evidence of localized shear deformation in the tremolite-rich layer. Two different types of olivine lattice...with the exhumation process. EBSD Mapping of the tremolite-rich layer revealed intracrystalline plasticity |  | Padrón-Navarta, José Alberto, Tommasi, Andréa, Garrido, Carlos J., Sánchez-Vizcaíno, Vicente López, Gómez-Pugnaire, María Teresa, Jabaloy, Antonio, Vauchez, Alain (2010) Fluid transfer into the wedge controlled by high-pressure hydrofracturing in the cold top-slab mantle. Earth and Planetary Science Letters, 297 (1) 271-286 doi:10.1016/j.epsl.2010.06.029 | Journal (article/letter/editorial) | | aggregates of magnetite, and rare idiomorphic tremolite. Although very strong shape preferred orientations...suggest growth in equilibrium. Chlorite (arrow) and tremolite commonly occur as inclusions in both olivine and...composed of olivine, chlorite, magnetite, and minor tremolite (Fig. 5c). Olivine is equigranular with 5–6 faceted...the high pressure ultramafic terrain of Almklovdalen (western Norway), where they were interpreted as hydrofractures...prograde metamorphic reactions as described in the Almklovdalen massif (Kostenko et al., 2002), in the Bergen |  | | Journal (article/letter/editorial) | | Volda, M&e, Norway* Almklovdalen, Norway * Eiksundsdal Complex, Hareidland, SunnmGre, Norway Eiksundsdal...Eiksundsdal Complex, Hareidland, SunnmBre, Norway Wiistiiben, Miinchberg Mittenbachgraben, Austria 1096 1071...in eclogitic rocks 857 APPENDIX 1069: Volda, Norway. The rock is from the collection of the Geological...taken from a boulder at Volda on the west coast of Norway and is from the eclogite lenses in the gneisses...eclogito localities on the 107 1: Almklovdalen, Norway. west coast of Norway. It is from the collection of |  | Nagaya, Takayoshi, Wallis, Simon R., Kobayashi, Hiroaki, Michibayashi, Katsuyoshi, Mizukami, Tomoyuki, Seto, Yusuke, Miyake, Akira, Matsumoto, Megumi (2014) Dehydration breakdown of antigorite and the formation of B-type olivine CPO. Earth and Planetary Science Letters, 387. 67-76 doi:10.1016/j.epsl.2013.11.025 | Journal (article/letter/editorial) | | metamorphic zones are divided into Tremolite (Tr = olivine + tremolite), Diopside (Di = olivine + antigorite...+ diopside), and Talc (Tlc = olivine + talc + tremolite) zones. Serpentinite mylonites are dominantly...Diopside zone but are also locally present in the Tremolite zone. Modified after Nozaka (2005) (metamorphic...matrix also consists of porphyroclasts of olivine, tremolite and Cr-magnetite (Table 1). The veins and patches...antigorite + talc + chlorite + Cr-magnetite + tremolite (Fig. 2a–b; Table 1). The talc and chlorite are |  | Kanaris-Sotiriou, R., Gibb, F. G. F., Carswell, D. A., Curtis, C. D. (1978) Trace-element distribution and ore formation in vein-metasomatised peridotite at Kalskaret, near Tafjord, South Norway. Contributions to Mineralogy and Petrology, 67 (3) 289-295 doi:10.1007/bf00381456 | Journal (article/letter/editorial) | | Vein-Metasomatised Peridotite at Kalskaret, Near Tafjord, South Norway R. Kanaris-Sotiriou, F.G.F. Gibb, D.A. Carswell...vein crosscutting a peridotite body at Kalskaret, Norway, have previously been reported in some detail (Carswell...occupying the position of the fracture and zones of tremolite, anthophyllite and enstatite between this and...assemblage. Ultramafic fracture assemblages from Almklovdalen, further west in the Norwegian Basal Gneiss...o n t ' for chlorite was determined by A13 +, tremolite by Ca 2 +, anthophyllite by H 2 0 and enstatite |  | | Journal (article/letter/editorial) | | 1961; Mizukami et al. 2004), and in the Almklovdalen massif, S. Norway (Cordellier et al. 1981). However,...Opx orthopyroxene, Gt garnet, Ct chlorite, Tr tremolite. The photomicrographs are oriented so that the...welldeveloped subgrain microstructure. Chlorite + tremolite clusters in the retrogressed peridotite show little...(1981) Structural study of the Almklovdalen peridotite massif (southern Norway). Tectonophysics 77:257–281 |  | | Journal (article/letter/editorial) | | olivine islands; hornblendes are mantled by thin tremolite rims, and orthopyroxenes are nearly completely...(1982). Pargasitic amphibole was replaced by tremolite, whereas olivine remains excess phase. The excess...TiO,. Stage VI amphiboles are Al- and Cr- free tremolite. Amphiboles in eclogites occur as inclusions in...assemblage. Stage VI assemblages of olivine + tremolite + chlorite are products of lower amphibolite facies...metamorphism. The maximum stability limit of tremolite + forsterite in the CMSH system defined by Tr |  | Lee, Jungjin, Jung, Haemyeong, Klemd, Reiner, Tarling, Matthew S., Konopelko, Dmitry (2020) Lattice preferred orientation of talc and implications for seismic anisotropy in subduction zones. Earth and Planetary Science Letters, 537. 116178 doi:10.1016/j.epsl.2020.116178 | Journal (article/letter/editorial) | | Talc Garnet Chloritoid Quartz Phengite Chlorite Tremolite (vol.%) 25 10 10 15 10 30 40 25 20 3 7 5 20...to 1 m thick. These bodies often occur as talc-tremolite and talc-chlorite schists, forming a reaction...surrounded by a talc-rich margin followed by layers of tremolite amphibole, chlorite, and biotite (Read, 1934)...(Spandler et al., 2008). The occurrence of talc with tremolite and/or chlorite has been interpreted to be due...Island comprise ca. 70 vol.% talc and 30 vol.% tremolite, and 80 vol.% talc and 20 vol.% chlorite, respectively |  | | Journal (article/letter/editorial) | | intrusions like the largest deposit in Norway, the Almklovdalen of ophiolite complexes and ultramafic...deposit in Norway, the peridotite massif, where Steinsvik Olivine AS is producing [7]. Almklovdalen peridotite...amounts of lizardite (≤5%). In one sample 10–15% tremolite was detected. Besides 10–15% forsterite, basalt...O Na2 O NiO Cr2 O3 Olivine Ferrochrome Slag Norway Germany 48.6 0.5 7.8 0.0 0.2 41.1 0.1 0.0 1.2...Resources in Norway: Potential and Strategic Importance, 2016 Update; Geological Survey of Norway: Trondheim |  | | Journal (article/letter/editorial) | | “Caledonized”, basement gneisses along the west coast of Norway in the Western Gneiss Region (Brueckner et al....found only within the Western Gneiss Region of SW Norway (Brueckner et al., 2010; Spengler et al., 2006...Mortar (M3) olivine Foam (M2) chromite Foam (M2) tremolite Foam (M2) chlorite SiO2 TiO2 Al2O3 Cr2O3 FeO...amphiboles classify them as tremolite (Table 1) with high Mg# (96.0–99.6). Tremolite grains in equilibrium...lamellae in M2 orthopyroxene (Opx2); b) elongated tremolite grain (Tr) in equilibrium with olivine and orthopyroxene |
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