 | Kechid, Sid-Ali, Parodi, Gian Carlo, Pont, Sylvain, Oberti, Roberta (2017) Davidsmithite, (Ca,□)2Na6Al8Si8O32: a new, Ca-bearing nepheline-group mineral from the Western Gneiss Region, Norway. European Journal of Mineralogy, 29 (6) 1005-1013 doi:10.1127/ejm/2017/0029-2667 | Journal (article/letter/editorial) | | nepheline-group mineral from the Western Gneiss Region, Norway 3 SID-ALI KECHID1, GIAN CARLO PARODI2, SYLVAIN... occurs as a rock-forming mineral in the Liset eclogite pod (Norwegian Caledonides). It is transparent...unit formula, with some Na and □. In the Liset eclogite pod, davidsmithite occurs in retrogressed, formerly...albitic plagioclase and taramitic amphibole. This eclogite occurrence is noted for its bulk-rock compositions...Ca-silicate; nepheline group; feldspathoid; Liset eclogite pod; Norway. un 5 28 1. Introduction 29 30 31 |  | | Report (issue) | | 9.654(1) Z=4 X-ray Powder Pattern: Liset eclogite pod, Norway. 3.19 (100), 4.14 (44), 3.48 (36), 3...0.01 Total 100.26 Chemistry: (1) Liset eclogite pod, Norway; by electron microprobe, average of 15...metamorphism of a Na, Al-rich and K, Mg-poor eclogite pod in the highest pressure part of the greenschist...albite, quartz. Distribution: In the Liset eclogite pod, Selje district, southwestern Norway. Name:...Name: For the Liset eclogite pod, Norway. Type Material: Italy, G201b. Natural History Museum, Paris, |  | | Journal (article/letter/editorial) | | ayersin the Liset eclogitepod in the Selje district of the Western Gneiss region, Norway. Electron-microprobe...Al-rich Si-poor domains originally representedby eclogite-facieskyanite. The stability field of lisetite...chernicalcontext at Liset The -60-m-long and -30-m-wide compositionally layered Liset eclogite pod ditrers in...other known eclogite pods enclosedwithin gneiss in the Western Gneissregion of S.W. Norway. For example...macrostructures (many small pods within a larger pod) are quite atlpical (Kechid and Smith, 1982; Kechid |  | | Journal (article/letter/editorial) | | (Su-Lu, China) and nybo«ite from Nybo« (Nordfjord, Norway): a petrological and crystal-chemical comparison...has been found in the Jianchang eclogite pod, Su-Lu coesite-eclogite province, China. It has been approved...is preserved in the retrograded kyanite-bearing eclogite sample DJ102 together with clinopyroxene (Jd70Ae20Di10)...F-free nyböite from the type locality at Nybö in Norway, for which some as yet unpublished mineral data...a name to represent the type locality Nybö in Norway which is a key one in the history of UHPM (Ultra-High |  | | Journal (article/letter/editorial) | | MINERALS IN ECLOGITES FROM THE WESTERN GNEISS REGION, NORWAY 1. Petrology of the Oxide Microassemblages M I...minerals in eclogites from the Western Gneiss Region, Norway, 1. Petrology of the oxide microassemblages. In:...from ten different eclogite pods in the Western Gneiss Region of southern Norway have been examined by...ilmenite and rutile, as oxide phases stable in eclogite-facies parageneses in appropriate local bulk-rock...initial eclogite-facies equilibration; (f) further petrological evidence to distinguish the eclogite pods |  | | Journal (article/letter/editorial) | | Coesite in the Straumen kyanite-eclogite pod, Norway David C. Smith Laborntoire de MinPralogie, MusPum...in the Straumen kyanite-eclogite pod in the Western Gneiss Region (WGR),Norway, is described. Although...transformation into quartz, are similar to those described at the first coesite occurrence in Norway (the Grytting...Grytting dolomite-eclogite pod) there are some significant differences at this second locality. These include...An initial coesite-eclogite (sub)facies paragenesis was followed by a quartz-eclogite (sub)faciesparagenesis |  | Oberti, R., Boiocchi, M., Smith, D. C., Medenbach, O. (2007) Aluminotaramite, alumino-magnesiotaramite, and fluoro-alumino-magnesiotaramite: Mineral data and crystal chemistry. American Mineralogist, 92 (8) 1428-1435 doi:10.2138/am.2007.2529 | Journal (article/letter/editorial) | | retrogressed eclogites in the Liset kyanite-eclogite pod, near Selje, Vestlandet, Norway. Fluoro-alumino-magnesiotaramite...(Si6Al2)O22F2, occurs in the Jianchang eclogite, Su-Lu coesite-eclogite province, China. These aluminotaramites...lowered pressure during retrogression from the eclogite to the amphibolite facies. This paper reports...were discovered in the Liset kyanite-eclogite pod, near Selje, Vestlandet, Norway (Ungaretti et al. 1981...within the Norwegian “coesite-eclogite province” (Smith 1988, 1992) as Liset shows evidence of “deduced |  | | Journal (article/letter/editorial) | | observed together in two eclogite occurrences (La Compointrie, France; Liset, Norway) as retrogression products...high-pressure rocks. Three of them (La Compointrie, Liset, Koralpe/Saualpe) consist of eclogites in which...describe the petrology of the La Compointrie and Liset occurrences, and then we discuss 21 Fig. 1 Chemographic...new occurrences. Petrology The La Compointrie eclogite The host rock The kyanite-bearing eclogites from...cumulates of a tholeiitic dierentiation sequence. The eclogite-facies paragenesis consists of garnet, omphacite |  | 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...the Alice Wain Memorial West Norway Eclogite Field Symposium held in Selje from June 21st-28th, 2003. Eskola...peridotites that outcrop in the coastal region of west Norway between Bergen and Trondheim. These occurrences...high- and ultrahigh-pressure rocks. Keywords: Eclogite Gabbro Ultrahigh-pressure Peridotite Western...MEMORIAL WEST NORWAY ECLOGITE FIELD SYMPOSIUM JUNE 21st – 28th, 2003 in SELJE, WEST NORWAY GUIDEBOOK TO |  | | Journal (article/letter/editorial) | | Petrology of the nyb6ite-bearing eclogite in the Donghai area, Jiangsu Province, eastern China T . HIRAJIMA...Nyb6ite occurs as porphyroblasts in the Jianchang eclogite in the Donghai area, northeastern Jiangsu Province...eastern China. The Jianchang eclogite contains some inclusions of quartz after coesite in clinopyroxene...associated with jadeitic pyroxene in the Jianchang eclogite, although other porphyroblastic amphiboles in...pseudomorphs indicate P - T conditions in the Jianchang eclogite of about 740 + 60 ~ and more than 28 kbar. Similar | | | Journal (article/letter/editorial) | | Petrology of the nyb6ite-bearing eclogite in the Donghai area, Jiangsu Province, eastern China T . HIRAJIMA...Nyb6ite occurs as porphyroblasts in the Jianchang eclogite in the Donghai area, northeastern Jiangsu Province...eastern China. The Jianchang eclogite contains some inclusions of quartz after coesite in clinopyroxene...associated with jadeitic pyroxene in the Jianchang eclogite, although other porphyroblastic amphiboles in...pseudomorphs indicate P - T conditions in the Jianchang eclogite of about 740 + 60 ~ and more than 28 kbar. Similar |  | Agrinier, Pierre, Javoy, Marc, Smith, David C., Pineau, Françoise (1985) Carbon and oxygen isotopes in eclogites, amphibolites, veins and marbles from the Western Gneiss region, Norway. Chemical Geology: Isotope Geoscience section, 52 (2). 145-162 doi:10.1016/0168-9622(85)90015-6 | Journal (article/letter/editorial) | | VEINS AND MARBLES FROM THE WESTERN GNEISS REGION, NORWAY PIERRE AGRINIER’, MARC JAVOY’, DAVID C. SMITH*...veins and marbles from the Western Gneiss Region, Norway. In: D.C. Smith and Ph. Vidal (Guest-Editors),...measured in carbonates and silicates from pods of eclogite, garnet-amphibolite and marbles and also some...Gneiss Region, Norway, in an attempt to clarify the origin of these rocks. The eclogite carbonates (magnesite...partitioning amongst silicates (700-850°C). The eclogite carbonate carbon and oxygen isotope compositions |  | | Journal (article/letter/editorial) | | tourmaline-biotite-scapolite rock from Blengsvatn, Norway DIEDERIK VISSER ,1 TIMO G. NIJLAND,2,* DICK J....metasediments near the Blengsvatn, Bamble sector, southern Norway. The preiswerkite occurs as subhedral crystals...quartzite complex Blengsvatn, Bamble sector, southern Norway. Since the discovery of natural preiswerkite by...Bamble sector, southern Norway. GEOLOGICAL SETTING The Bamble sector, southern Norway, is a classic Mid-Proterozoic... 978 VISSER ET AL.: PREISWERKITE FROM BLENGSVATN, NORWAY TABLE 1. Preiswerkite occurrences Locality Lithology |  | | Journal (article/letter/editorial) | | MINERALS IN ECLOGITES FROM THE WESTERN GNEISS REGION, NORWAY 2. Chemistry of the Ilmenite Mineral Group D A...minerals in eclogites from the Western Gneiss Region, Norway, 2. Chemistry of the ilmenite mineral group. In:...in several different eclogite pods in the Western Gneiss Region of southern Norway have been analysed with...chemical compositions in different eclogite pods such that each pod, with its particular collection of...geothermometry are demonstrated. In the eclogite pod at Liset, those ilmenites in the "patchwork texture" |  | | Journal (article/letter/editorial) | | within the 1.7-Ga old Basal Gneisses of western Norway, are reported along with eleven REE patterns on...basaltic protoliths allow dating of the Caledonian eclogite-facies event at -400 Ma, no precise information...tectonically rather than intrusively emplaced before the eclogite-facies metamorphism. Their preferred model is...“External” or “country-rock” eclogites from the Selje district (Fig. 1) have been subdivided into orthopyroxeneand...and can have dolomite as an “initial” (I) phase. Quartz may occur in either type. Most eclogites show some |  | | Journal (article/letter/editorial) | | Minerals of Norway - the (almost) complete inventory Gunnar Raade Preamble A monographic survey of the...the minerals of Norway (Norges Mineraler) was published by Neumann (1985), covering all minerals recorded...and synonyms. A large number of minerals new to Norway have been recorded since the book appeared. The...attempt to list all accepted mineral species from Norway, including those from Neumann (1985) and later...& Nickel 2001). Names of minerals discovered in Norway after the edition of Neumann's monograph are in |  | | Journal (article/letter/editorial) | | already been reported [5]. The essential minerals are quartz and jadeite with subordinate garnet. Retrograde...jadeite and garnet crystals. Interfaces between quartz and jadeite are always marked by a double corona...against quartz, and albite against jadeite. It may be noted that in the Norwegian coesite-eclogite province...often surrounds quartz in the jadeite + quartz and nyboite-bearing UHP eclogite pod at Liset, which shares...equilibrium curve for the reaction HA = jadeite + quartz as P = 1.33 + 0.0296T, and found that the curve |  | OROZBAEV, Rustam T., YOSHIDA, Kenta, BAKIROV, Apas B., HIRAJIMA, Takao, TAKASU, Akira, SAKIEV, Kadyrbek S., TAGIRI, Michio (2011) Preiswerkite and högbomite within garnets of Aktyuz eclogite, Northern Tien Shan, Kyrgyzstan. Journal of Mineralogical and Petrological Sciences, 106 (6) 320-325 doi:10.2465/jmps.110621c | Journal (article/letter/editorial) | | Preiswerkite and högbomite within garnets of Aktyuz eclogite, Northern Tien Shan, Kyrgyzstan Rustam T. Orozbaev*...högbomite as inclusion phases within the garnets of eclogite from the Aktyuz area of Northern Tien Shan, Kyrgyzstan...the core of the garnet and in the matrix of the eclogite. Preiswerkite is associated with the minerals...Preiswerkite, Högbomite, Na-biotite, Aktyuz area, Eclogite, Tien Shan, Kyrgyzstan INTRODUCTION The trioctahedral...preiswerkite as an inclusion phase within the garnets of eclogite from the Aktyuz area, Northern Tien Shan, Kyrgyzstan |  | | Journal (article/letter/editorial) | | microstructures reported from the Western Gneiss Region, Norway, shows relicts of majoritic garnet formed under...to the "crack-filled zoning" reported from an eclogite in the Great Caucasus in Russia by Perchuk and...increasing X g r s rarely occurs in garnet of G-type eclogite (Enami et al., 1993). Multiple stages of garnet...50)Xgrs(0.080 . 4 4 ) X s p s ( 0 . 0 - 0 . 0 3 ) . M-eclogite has a CaO-rich bulk-rock composition (up to 2...phase has maximum and minimum X grs in common eclogite and grospydite, respectively (Banno, 1966, 1967) |  | | Journal (article/letter/editorial) | | from a high-Al (Cr# of chromite ~0.4) chromitite pod of the Khoy meta-ophiolite in northwestern Iran....associated minerals fill cavities in the chromitite pod and are absent in the surrounding peridotites. The...formed during retrogressive metamorphism of the eclogite or amphibolite facies (Miller, 1990; 3 ACCEPTED...Allalinhorn, CE Switzerland (Meyer, 1983); Liset, Norway (Smith and Kechid, 1983); La Copointrie, AC... Guatemala (Harlow, 1994); Blengsvatn, Bamble, Norway (Visser et al., 1999); the Dabie UHP metamorphic |  | | Journal (article/letter/editorial) | | 3Ca3A12Si3012 + 5TIO2 + 2SiO2 + HaO = Grossular Ruffle Quartz 2Ca2AIaSi3012(OH) + 5CaTiSiO5 Zoisite Titanite...to calculate metamorphic conditions for three eclogite localities. Using these reactions in conjunction...for eclogite-facies mica schists from the Tauern Window, Austria, and 46 kb and 850~ for eclogite-facies...E. Manning Introduction The high pressures of eclogite metamorphism have long attracted the attention...crustal lithologies that have been subjected to eclogite-facies metamorphic conditions (e.g., Schreyer |  | | Journal (article/letter/editorial) | | fluorine. The highest Al2O3 content recorded in eclogite-facies marbles (14.1 wt%, Franz and Spear 1985)...agreement with P–T estimates in felsic rocks and eclogite, e.g. Droop et al. 1990), and an early retrograde...Sesia Zone probably consisted of calcite–dolomite ± quartz, plagioclase, Ca-pyroxene, Ca-amphibole, biotite...salitic augite (at top). c Relict augite within a quartz + calcite ± titanite matrix; note inclusions of...glaucophane-bearing paragneiss, which hosts metrethick eclogite boudins and marble layers and/or lenses (Compagnoni |  | | Journal (article/letter/editorial) | | within the stability field for Fe-staurolite + quartz determined in the laboratory, that is, pressures...Mg-staurolite is stable only in the absence of quartz and at pressures above 10-12 kbar at roughly 720...or more (Schreyer et al. 1984), and (3) Norway, in eclogite formed at pressures possibly as high as 30...fine-grained muscovite (Mu) lite would appear in quartz-bearing rocks metamorphosed at low temperatures...conditions at moderate temperatures and pressures in quartz-free rocks, conditions closer to those required |  | | Journal (article/letter/editorial) | | Netherlands 33 ALUMINOUS TITANITE (SPHENE) FROM THE ECLOGITE ZONE, SOUTH-CENTRAL TAUERN WINDOW, AUSTRIA GERHARD...S., 1985. Aluminous titanite (sphene) from the Eclogite Zone, south-central Tauern Window, Austria. In:...end-member) occurs in siliceous dolomites from the Eclogite Zone, south-central Tauern Window, Austria. 140...analyses of titanites from 13 samples from the Eclogite Zone and adjacent tectonic units reveal that A1...aluminous varieties occurring in the high-pressure Eclogite Zone. Variations also occur from sample to sample |  | | Journal (article/letter/editorial) | | high-P assemblages consist of carbonates, phengite, quartz, omphacite, grossular-rich (locally spessartinic)...abundant silicate-rich domains within a calcite f quartz f dolomite matrix. This inhomogenous texture is...aragonite, instead of calcite?, and dolomite), quartz, sodic clinopyroxene, garnet (Gtl), phengite (Phl)...Granoblastic assemblages of Na-Cpx-dolomite (Do)-quartz (Qz)-Ttnl (Al-rich titanite)-Cc. (d) Assemblages...of phengite (Ph2) forms (Fig. 3). Dolomite plus quartz locally replace the clinopyroxene. At Croix Corma |
|
