 | | Thesis/Dissertation | | OF THE BAMBLE SECTOR OF THE BALTIC SHIELD, SOUTH NORWAY. by ROBERT KEITH O'NIONS B.Sc. A THESIS SUBMITTED...of the Bamble Sector of the Baltic Shield, South Norway" submitted by Robert Keith O’Nions BSc. in partial...the Bamble-sector of the Baltic Shield, in South Norway. Apparent K-Ar ages of micas range from 1114 m...Mg-rich amphiboles. Zircons extracted from the Levang gneiss dome have undergone a polycyclic history. Some...intermediate between the time of formation of the Levang gneiss dome as derived from whole rock Rb-Sr dating (1673+24 |  | | Journal (article/letter/editorial) | | Study of Polymetamorphism in the Bamble Region, Norway R. K. O'NIoNs* and It. BAAI>SGAARD Department of...duration of metamorphism in the Bumble Area, Southern Norway. The thermal maximum of the Bumble Sveconorwegian...was reached at 1160-1200 m.y. ago, according to zircon and sphene U-Pb, and Rb-Sr whole rock results....considerations together with radiometric data on the Levang Gneiss Dome suggest that Rb-Sr whole rock samples show...PH~o. Variable recrystallizatiou of zircon in the Levang Gneiss Dome (when taken with accompanying radiometric |  | | Journal (article/letter/editorial) | | Radioelement Variation in the Levang Granite-Gneiss, Bamble Region, South Norway* P. G. Killeen ** and K....Miner&Iogisk-Geologisk Museum, University of Oslo, Norway l%eceived October 23, 1974 Abstravt. An investigation...thorium, uranium and potassium across the Levang granite-gneiss shows a significant increase in thorium...adjacent Porter Peninsula to the south. The Levang granite-gneiss has recorded only the Svecofennian metamorphic...referred to it as a gneiss granite. The entire area (approx. 40 k m 2) of the gneiss-granite of the L e |  | | Journal (article/letter/editorial) | | magmatism in the Proterozoic Bamble Shear Belt, south Norway Sven Dahlgren 1 *, Ron Bogoch 2, Mordeckai Magaritz...GeologicalMuseum,Universityof Oslo, Sarsgate 1, N-0562 Oslo, Norway 2 GeologicalSurveyof Israel, 30 MalkheiYisrael...Petroleum Directorate, P.B. 600, N4001 Stavanger,Norway ** Present address: Laboratoire de G6osciencesde...middle Proterozoic Bamble Shear Belt in southern Norway (Fig. 1) is a classical area for granulite studies...Granulitic gneisses near Arendal yield a U-Pb prototith zircon age of 1542___8 Ma (Kullerud and Machado 1991) |  | | Journal (article/letter/editorial) | | Accepted Manuscript The Bamble Sector, south Norway: A review Timo G. Nijland , Daniel E. Harlov , Tom...Harlov, D.E., Andersen, T., The Bamble Sector, south Norway: A review, Geoscience Frontiers (2014), doi: 10... ACCEPTED MANUSCRIPT The Bamble Sector, south Norway: A review Timo G. Nijland a,*, Daniel E. Harlov...University of Oslo, PO Box 1047, Blindern, 0316 Oslo, Norway * SC Corresponding author. M AN U E-mail:...Abstract The Proterozoic Bamble Sector, South Norway, is one of the world's classic amphibolite- to |  | | Journal (article/letter/editorial) | | systematics in metamorphic rocks, Kongsberg sector, south Norway STEIN B. JACOBSEN & K N U T S. HEIER LITHOS Jacobsen...systematics in metamorphic rocks, Kongsberg sector, south Norway. Lithos 11, 257-276. Oslo. ISSN 0024-4937. Rb-Sr...the southern part of the Kongsberg sector, south Norway. The maximum age of the crust in this area appears...Mineralogisk-Geologisk Museum, Sars Gale I, Oslo 5, Norway. Present address: The Lunatic Asylum of the Charles...Mineralogisk-Geologisk Museum, Sars Gate 1, Oslo 5, Norway. Present address: Norges Geoiogiske Undersokelse |  | | Journal (article/letter/editorial) | | data for nineteen fractions of the constituent zircon and apatite. The metamorphic suite has yielded...dioritic bodies of the cupriferous Noritoid Suite; zircon recrystallization 1070 m.y. ago is interpreted...Isotopic events at 1000 and 900 m.y. ago, recorded by zircon and apatite, are believed to reflect the imprint...Kheis System; and (b) vast expanses of granite and gneiss (Fig. 1). The Kheis System is best represented...Vioolsdrift granite that has yielded a Pb207/Pb206 zircon age of 1850 ± 4 0 m.y. (De Villiers & Burger, 1967) |
|
