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Gneiss from
Osumilite-bearing granulite, Vikeså, Bjerkreim, Rogaland, Norway


Locality type:Outcrop
Classification
Type:Gneiss
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gneiss data
Locality Data:Click here to view Osumilite-bearing granulite, Vikeså, Bjerkreim, Rogaland, Norway
Data Identifiers
Mindat Occurrence Record ID:1289237
Long-form Identifier:1:3:1289237:0
GUID (UUID V4):f84781d6-6428-47e4-b083-671971c13e9d
Nearest other occurrences of Gneiss
7.1km (4.4 miles) Eikeland Quarries, Bjerkreim, Rogaland, Norway
25.8km (16.0 miles) Skredali, Gjesdal, Rogaland, Norway
28.5km (17.7 miles) Heigre, Sandnes, Rogaland, Norway
28.7km (17.9 miles) Ørsdalen Mines, Bjerkreim, Rogaland, Norway
53.8km (33.4 miles) Dalaker, Rennesøy Island, Rennesøy, Rogaland, Norway
54.4km (33.8 miles) Fjøløya Quarry, Fjøløy, Rennesøy, Rogaland, Norway
61.3km (38.1 miles) Solbjør, Hjelmeland, Rogaland, Norway
65.8km (40.9 miles) Feda, Kvinesdal, Agder, Norway
66.3km (41.2 miles) Helgøy Quarry, Finnøy, Rogaland, Norway
67.6km (42.0 miles) Heskestad baryte deposit, Farsund, Agder, Norway
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
The sample, an osumilite-bearing ultra-high-temperature granulite from Rogaland, Norway, is characterized...as cheralite component), (2) secondary sulphate-bearing domains (SO2 >0.05 wt%, partly clouded with solid...The stability of sulphide, sulphate, and other S-bearing minerals depends on pressure (P), temperature (T)...Clermont‑Ferrand, France 4 Geological Survey of Norway, 7491 Trondheim, Norway 5 Centre de micro‑caractérisation...constrained episode of sulphur release occurs in the granulite facies, usually in the presence of a silicate
Journal (article/letter/editorial)
Osanai99, page 320 ─ 327, 2004 Special Issue Osumilite and spinel + quartz from Sri Lanka: Implications...occurrence of osumilite as fine isolated inclusions in garnet porphyroblasts from a granulite facies rock...950°C at around 7 kbar pressure, on the basis of osumilite stability in KFMASH system. The cooling and decompression...Corresponding author ing of sapphirine − bearing granulite by Osanai (1989). Later petrographical studies...sapphirine − bearing granulites. In this contribution we report the finding of osumilite from Sri Lanka
Report (chapter)
mol%), CH4 (,0.3 mol%), and H2O (,0.1 mol%). CH4-bearing fluid associated with sapphirine granulites suggests...from fluid inclusions in magnetite-bearing high-f O2 garnet granulite. The range of CO2 isochores computed...(e.g. Harley 1985, 1998b; Osanai et al. 1999), osumilite (e.g. Ellis 1980; Ellis et al. 1980; Grew 1982)...reported that the transition from amphibolite to granulite facies is associated with a change from H2O-rich...fluid inclusions of synmetamorphic nature in granulite-facies rocks has been taken to indicate that carbonic
Report (chapter)
and massive gneiss units, of which the layered unit is composed of garnet felsic gneiss, orthopyroxene...orthopyroxene felsic gneiss, pelitic and basic gneisses, impure quartzite, and minor metamorphosed banded iron formation...massive unit consists mainly of orthopyroxene felsic gneiss. The boundary between the units is transitional...and massive gneiss units (Ishizuka et al. 1998; Ishikawa et al. 2000). The layered gneiss unit, occurring...composed of garnet felsic gneiss with subordinate amounts of orthopyroxene felsic gneiss, pelitic and basic
Journal (article/letter/editorial)
leucocratic granulite (920 − 980°C), Al solubility in orthopyroxene in pelitic granulite (970 − 1020°C)...of southern Africa is a classic example of a granulite − facies metamorphic complex (Mason, 1973) formed...1) is composed mainly of quartzo − feldspathic gneiss (including minor charnockite), mafic and pelitic...past two decades as one of the oldest regional granulite terranes in the world (ca. 2.7 Ga metamorphic...100°C lower than the true peak temperatures in granulite − facies terranes due to the possible influence
Journal (article/letter/editorial)
Carbonic fluid inclusions in a garnet–pyroxene granulite from Austhovde in the Lützow–Holm Complex, East...Auckland Park 2006, South Africa A garnet–pyroxene granulite from Austhovde in the Lützow–Holm Complex, East...Keywords: Carbonic fluid inclusion, Isochore, Granulite, Decompression, Lützow–Holm Complex INTRODUCTION...complex underwent regional upper amphibolite– to granulite–facies metamorphism between 600 and 550 Ma (e...is generally known that fluids associated with granulite formation probably control various lower crustal
Journal (article/letter/editorial)
orthopyroxene + sillimanite±quartz, or garnet + osumilite + quartz. Precise reconstruction of the metamorphic...on F-bearing biotite under UHT conditions. Keywords: ultrahigh-temperature metamorphism, granulite, pressure–...究者による世界をリードする発見や研究成果も多数あげられ ニュライト変成作用 (Eclogite–High-pressure Granulite; E–HPG)とよばれ,地温勾配が 10°C/km 以下の場合は圧力 ている.なお,この...Grt–Spr–Opx–Qz granulite from Bunt Island. (b) Grt + Os association in Spr–Os–Grt–Opx granulite from Bunt...Spr–Opx–Spl–Grt granulite from Tonagh Island. (d) Association of Spr + Opx + Krn in Spr–Grt–Opx–Krn granulite. (e)
 
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