Blar i Artikler på emneord "MINERAL"
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Age determination of Norwegian minerals up to March 1964.
(NGU (228), Journal article, 1964)A summary of absolute age determination of Norwegian minerals and rocks up to March 1964. Map of loclities, diagrams and analysis of the data. -
An occurrence of unusual minerals at Bidjovagge, Northern Norway.
(NGU (266), Journal article, 1970)A complex titanium mineral containing abundant vanadium, and iron is described. The distribution of minor cerium, yttrium and scandium characterizes the two phases of which the mineral is comprised. As associate minerals ... -
An occurrence of zeolites at Kragerø, southern Norway.
(NGU (205), Journal article, 1959)Zeolitene ble funnet på to slepper i en kvartsrik gneis ved Østland, ca. 1,5 km NV for Kragerø. Sleppe nr. 1 inneholder natrolit, desmin, heulandit og laumontit, alle zeoliter. Sleppe nr. 2 inneholder kalkspat, epidot, ... -
Brannerite, a new mineral in Norway.
(NGU (200), Journal article, 1957)Ved urandundersøkelser på Modum, ble mineralet brannerit påvist for første gang i Norge. Der forekommer ved hovedveien 300 m vest for Haugfoss bru. Mineralet opptrer på mer eller mindre åpne sprekker i en presset grønnskifer ... -
Change in chemical composition of rock samples during preparation for analysis.
(NGU (300), Journal article, 1973)It has been shown that up to 3% of the volume of rock samples may escape as clust during their preparation (crushing and grinding) for chemical analysis. The mineral and chemical composition of the escaping rock dust may ... -
Dating explosive volcanism perforating the Precambrian basement in southern Norway.
(NGU (380), Journal article, 1983)K-Ar and Rb-Sr dating have been performed on various hypabyssal diatreme-facies volcanic rocks perforating the Sveconorwegian zone of the Precambrian basement in southern Norway. The dated rocks were taken from the Fen ... -
Edel granat fra Otterøy ved Molde.
(NGU (255), Journal article, 1968)A gemgarnet from Otterøy by Molde, Western Norway, is described. The garnet display an \"alexandrite-like effect\", i.e. the colour varies with the nature of the incident light. The transmission curves shows absorbtion ... -
En mikroskopisk undersøkelse av en del av Røros-malmene.
(NGU (228), Journal article, 1964)A microscopic examination of a collection of polished sections from some of the ores in the Røros area was carried out and the different ore minerals were described. The replacement processes and the age sequences of some ... -
Feltspat I. Feltspatmineralenes egenskaper, forekomst og praktiske utnyttelse med særlig henblikk på den norske feltspatindustri.
(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.
(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, ... -
Feltspat III. Forekomster i Iveland og Vegusdal i Aust-Agder og i flere herreder i Vest-Agder.
(NGU (128B), Journal article, 1931) -
Flåt nickel mine.
(NGU (168b), Journal article, 1947) -
Glimmermineralernes betydning som kalikilde for plantevern
(NGU (108), Journal article, 1922)Denne avhandling inneholder en undersøkelse over oppindelsen av jordbundens kaliindhold, eller nærmere præcisert den del av jordbundens kaliindhold som kan tilgodegjøres av planterne.Hittil har man som regel gaat ut fra, ... -
Greenschists from the south-eastern part of Helgeland, Norway, their chemical composition, mineral facies and geological setting.
(NGU (203), Journal article, 1958)I somrene 1951-54 gjorde forfatteren geologisk kartleggingsarbeidet i den sydøstlige del av Helgeland sammen med en rekke unge assistenter. Det kartlagte området er en omkring 25 km bred stripe langs svenskegrensen, mellom ... -
Ildfaste oksyders fysikalske kemi. Oversigt over nyere præcisions- undersøkelser
(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 ... -
Kaolinforekomst i Hurdalen
(NGU (1), Journal article, 1891)Forkortet: Occurrence of kaolin. Mr. Homan describes a deposit of kaolin resulting from the local decomposition of a syenite in Hurdalen, W of lake Mjøsen. -
Kemiske undersøkelser over ekstration av glimmermineralers kaliindhold.
(NGU (108), Journal article, 1922) -
Note on stilbite from a pegmatite at Elveneset, Innhavet in Nordland county, northern Norway.
(NGU (205), Journal article, 1959)Under vårt kartleggingsarbeid av pegmatittene i området rundt Drag i Tysfjord, Nord-Norge, sommeren 1958, fant vi stilbitt i en pegmatitt ved Elveneset, ca. 4 km syd for Innhavet. Mineralet ble funnet på vertikale Ø-V ... -
Om anvendelsen av Greensand (glaukonit) som jordforbedringsmiddel i de Forente Stater.
(NGU (108), Journal article, 1922) -
Om forvitring av glimmermineraler.
(NGU (108), Journal article, 1922)