Blar i NGU Open Archive på forfatter "Birkeland, Anne"
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A possible basement to the Mesoproterozoic quartzites on Hardangervidda, South-Central Norway: zircon U-Pb geochronology of a migmatitic gneiss
Sigmond, Ellen M.; Bingen, Bernard; Birkeland, Anne (NGU Bulletin (437), Journal article, 2000)On Hardangrvidda west of the Mandal-Ustaoset fault zone in South Norway, some 80-90% of the crust consists of orthogneisses and foliated and massive granites in this plutonic environment the Mesoproterozoic quartzites of ... -
Fluorine-rich biotites and alkali-metasomatism as guided to massive sulphide deposits: an example from the Bleikvassli Zn-Pb-Ah-(CU) deposit, Norway
Walker, Nicholas; Bjerkgård, Terje; Birkeland, Anne; Larsen, Rune B. (NGU-Rapport (95.152), Report, 1995)Frie emneord: Sulfidmalmforekomst Fluorrike biotitter The Bleikvassli massive sulphide deposit is closely associated with a microcline gneiss interpreted as the metamorphosed equivalent of an alkaline magmatic rock of ... -
From Archaean to Proterozoic on Hardangervidda, south Norway
Birkeland, Anne; Vestin, Jessica; Whitehouse, Martin J.; Sigmond, Ellen M.O. (NGU Bulletin (433), Journal article, 1997) -
Malmgeologiske undersøkelser i det østlige Meråkerfelt, Nord-Trøndelag
Sandstad, Jan Sverre; Øyvik, Marielle; Erichsen, Eyolf; Grenne, Tor; Birkeland, Anne; Solli, Arne (NGU-Rapport (96.041), Report, 1996)Det ble gjort malmgeologiske undersøkelser i det østlige Meråkerfelt for å karakterisere kjente forekomster og forklare geofysiske anomalier, for derigjennom å identifisere objekter av mulig økonomisk interesse. Det ble ... -
Pb-isotope constraints on the metallogeny in the Meråker Nappe.
Birkeland, Anne (NGU Bulletin (427), Journal article, 1995) -
The sequential development of magmatic and ore-forming processes in the Fundsjø Group, Meråker district, Central Norway
Grenne, Tor; Birkeland, Anne; Solli, Arne; Hertogen, Jan; Sandstad, Jan Sverre; Erichsen, Eyolf (NGU Bulletin (427), Journal article, 1995)