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Norway | |
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| Andersen, Olaf (1931) Feltspat II. Forekomster i fylkene Buskerud og Telemark, i flere herreder i Aust-Agder og i Hidra i Vest-Agder. Norges Geologiske Undersøkelse 128b p.1-109. |
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| Geological Survey of Norway. The Industrial Mineral Database. Deposit Area 928 - 337. Orremyråsen |
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| Ramberg, H. (1942) Rapport fra Sundebru glimmerbrudd, Gjerstad [Report from Sundebru mica quarry, Gjerstad]. Norges Geologiske Undersøkelse. Bergarkivets Rapport BA 5085. Norges Geologiske Undersøkelse (NGU) |
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| Jordi fabre specimen & photo ( old label), photo id-622918 |
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| Vanrusselt, Vik (2023) Personal Communication. |
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| Bjørlykke, Knut (1934) The mineral paragenesis and classification of the granite pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 14 (3-4) 211-311 |
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| Bjørlykke, Knut (1934) The mineral paragenesis and classification of the granite pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 14 (3-4) 211-311 |
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| Bjørlykke, Knut (1934) The mineral paragenesis and classification of the granite pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 14 (3-4) 211-311 |
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| Jordi fabre specimen & photo ( old label), Photo ID: 622920 |
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| Bjørlykke, Knut (1934) The mineral paragenesis and classification of the granite pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift [Norwegian Journal of Geology], 14 (3-4) 211-311 |
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| Sverdrup, T. L. (1959) The pegmatite dyke at Rømteland. A description of the minerals and a discussion of the mineral paragenesis, especially within the system (Fe,Mn)O-TiO2-Y2O3-(Nb,Ta)2O3-SiO2. Norges Geologiske Undersøkelse 211. Norges Geologiske Undersøkelse (NGU) p.124-196. |
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| Nijland, Timo G., Touret, Jacques L. R., Visser, Diederik (1998) Anomalously Low Temperature Orthopyroxene, Spinel, and Sapphirine Occurrences in Metasediments From the Bamble Amphibolite‐To‐Granulite Facies Transition Zone (South Norway): Possible Evidence For Localized Action of Saline Fluids. The Journal of Geology, 106 (5) 575-590 doi:10.1086/516043 |
Frikstad 07 Feldspar Quarry, Frikstad, Iveland, Agder, Norway