Blar i Artikler på forfatter "Gautneb, Håvard"
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An overview of titanium deposits in Norway
Korneliussen, Are; Størseth, Leif Roger; Meyer, Gurli B.; Gautneb, Håvard; Schiellerup, Henrik; Nilsson, Lars-Petter; McEnroe, Suzanne A. (NGU Bulletin (436), Journal article, 2000)Titanium deposits in Norway are of three major types: igneous, metasomatic and metamorphic. The igneous deposits are compared of ilmenite, magnetite and apatite in various proportions and occur in geological provinces of ... -
Crushed rocks, minerals and mine tailings as sources of potassium in agriculture
Gautneb, Håvard; Bakken, Anne Kjersti (NGU Bulletin (427), Journal article, 1995) -
Geology and petrochemistry of the Smøla-Hitra Batholith, Central Norway.
Roberts, David; Gautneb, Håvard (NGU Bulletin (416), Journal article, 1989)The plutonic rocks which compose the Smøla-Hitra Batholith (SHB) cover an exposed area of c.1000 km\u00B2 and intrude folded, Arenig-Llanvirn, low-grade meta-sedimentary and bimodal metavolcanic rocks and higher-grade ... -
The geology, exploration and characterisation of graphite deposits in the Jennestad area, Vesterålen, northern Norway
Gautneb, Håvard; Tveten, Einar (NGU Bulletin (436), Journal article, 2000)This paper reviews graphite exploration in the Jennestad area, Nordland. As a result of helicopter aeromagnetic surveying and subsequent ground geophysics mapping and trenching, some 30, variously sized bodies of graphite ... -
The Moyale graphite deposit, Southern Ethiopia
Fentaw, Haile-Michae; Gautneb, Håvard; Sebhat, Nesibu; Mohammed, Seid (NGU Bulletin (436), Journal article, 2000)Precambrian metamorphic rocks of southern Ethiopia, belonging to the Pan-African (Mozambique Belt), host the Moyale graphite deposit. The principal rock units are amphibole schists, quartz-feldspar-mica schists, granodiorites, ...