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http://www.sciencedirect.com/science/article/pii/S167498711400067X |
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| Authors: | Timo GNijland Daniel EHarlov Tom Andersen |
| Institution: | 1. TNO, P.O.Box 49, 2600 AA Delft, The Netherlands 2. GeoForschungsZentrum, Telegrafenberg, 14473 Potsdam, Germany ;Department of Geology, University of Johannesburg, P.O.Box 524, Auckland Park 2006, South Africa 3. Department of Geosciences, University of Oslo, P.O.Box 1047, Blindern, 0316 Oslo, Norway |
| Abstract: | The Proterozoic Banible Sector,South Norway,is one of the world's classic amphibolite- to granulitefacies transition zones.It is characterized by a well-developed isograd sequence.with isolated 'granulite-facies islands' in the amphibolite-facies portion of the transition zone.The area is notable for the discovery of CO_2-dominated fluid inclusions in the granulite-facies rocks by Jacques Touret in the late1960's,which triggered discussion of the role of carbonic fluids during granulite genesis.The aim of this review is to provide an overview of the current state of knowledge of the Banible Sector,with an emphasis on the Arendal-Froland-Nelaug-Tvedestrand area and off shore islands(most prominantly Tromoy and Hisoy) where the transition zone is best developed.After a brief overview of the history of geological research and mining in the area,aspects of sedimentary,metamorphic and magmatic petrology of the Banible Sector are discussed,including the role of fluids.Issues relevant to current geotectonic models for SW Scandinavia,directly related to the Banible Sector,are discussed at the end of the review. |
| Keywords: | Bamble Sector South Norway Charnockite Amphibolite-to granulite-facies transition CO2 Brines Precambrian |
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