Blar i NGU Open Archive på forfatter "Andersen, Olaf"
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En forekomst av ren kvarts i Krødsherred
Andersen, Olaf (NGU (103), Journal article, 1922)The paper describes an occurrence of comparatively pure quartz near lake Krøderen in Krødsherad, southern Norway. The quantity of quartz available by quarrying from the surface now exposed to a depth of about 5 m is estimated ... -
Feltspat I. Feltspatmineralenes egenskaper, forekomst og praktiske utnyttelse med særlig henblikk på den norske feltspatindustri.
Andersen, Olaf (NGU (128A), Journal article, 1926)The present publication is a description, in non-technical language, of the properties, geological mode of occurrences, exploitation, and uses of feldspar with special reference to the Norwegian feldspar industry. Systematic ... -
Feltspat II. Forekomster i fylkene Buskerud og Telemark, i flere herreder i Aust-Agder og i Hidra i Vest-Agder.
Andersen, Olaf (NGU (128b), Journal article, 1931)Summary s. 151. Feldspar deposits in Southern Norway. (Feltspat II by Olaf Andersen and Feltspat III by Tom F.W. Barth) A few years ago one of the writers published a general outline of the properties, mode of occurrence, ... -
Ildfaste oksyders fysikalske kemi. Oversigt over nyere præcisions- undersøkelser
Andersen, Olaf (NGU (101), Journal article, 1922)In the present paper an attempt is made to summarize briefly the most reliable results of recent high temperature investigations of refractory oxides. As practically all the exact work in this field is done at the Geophysical ... -
Om norske dolomiter. Med bemerkning om den praktiske anvendelse av dolomit
Andersen, Olaf; Holtedahl, Olaf (NGU (102), Journal article, 1922)The first section of the paper contains a description of the occurrences of dolomite at the Porsanger Fjord, Finnmarken, Northern Norway. These occurrences have been described before in some detaile by Holtedahl (1918), ... -
Statsgeologenes årsberetninger for 1923. Undersøkelser av feltspatforekomster i Kragerø omegn. Undersøkelser av feltspatforekomster i Fredriksverns omegn. Reiser med Dr. Bowen.
Andersen, Olaf (NGU (122), Journal article, 1924)