Blar i Artikler på emneord "PEGMATITT"
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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) -
Feltspat IV. Forekomster i Akershus og Østfold øst for Glomma.
(NGU (141), Journal article, 1934)In this publication, which is a sequel to Feltspat II and III by Olaf Andersen and Tom F.W. Barth, brief and exoteric descriptions and some information on production and history are given of about 180 individual feldspar, ... -
Feltspat V. De sjeldne mineraler på de norske granittiske pegmatittganger.
(NGU (154), Journal article, 1939)The present publication gives a short description of the most common rare elements of the Norwegian pegmatites and the Norwegian rare-element-bearing minerals. The rare-element-bearing minerals in the Norwegian granite ... -
Feltspatundersøkelsene på Drag og ved Innhavet, syd for Tysfjorden, Nordland fylke. (Foredrag holdt i Norsk Geologisk Forening, Oslo 6/10 1960).
(NGU (215), Journal article, 1962) -
Granite pegmatite quartz from Evje-Iveland: trace element chemistry and implications for the formation of high-purity quartz
(NGU Bulletin (436), Journal article, 2000)Previous studies imply that granite pegmatites and hydrothermal quartz veins are the most promising igneous repositories of high-purity quartz. This is because quartz from higher temperature geological settings (granites, ... -
II. Sørfolden-Riksgrænsen
(NGU (79), Journal article, 1917)The present paper is a text to the maps \"Sørfolden\" and \"Riddoalgge\" situated in Nordland between 67o20' and 67o40' N. The geological surveys were made during the summers of 1914, 15 & 16. The annexed map is a reduction ... -
Note on a molybdenite-dolomite-bearing pegmatite in Velfjord, Nordland, Norway.
(NGU (247), Journal article, 1967)A small area of basic gabbro occurs within the granodiorite pluton noth of Velfjord. In this gabbro was found a peculiar pegmatite dike, rich in molybdenite, and composed of quartz, albite, and dolomite as major minerals. -
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 ... -
Pegmatitten ved Liverud og Gulliksrud ca. 5 km øst for Kongsberg, Øvre Eiker.
(NGU (211), Journal article, 1960)The pegmatites at Liverud and Gulliksrud ca. 5 kms E of Kongsberg, Øvre Eiker: A brief description of the pegmatites and their structural relationship to the adjacent banded gneisses is given. Some technical and economic ... -
The minerals of the granite pegmatite at Spro, Nesodden, near Oslo a preliminary note.
(NGU (234), Journal article, 1965)A Precambrian granite pegmatit formerly mined for feldspar is situated at Spro, Nesodden, 20 km SSW of Oslo, Norway. It is shown to consist of two different phases. The paragenesis seems to be as follows: 1) Older phase, ... -
The Nickeliferous Iveland-Evje amphibolite and its relation.
(NGU (168a), Journal article, 1947)The pre-Cambrian nickelferous meta-norite at Iveland-Evje represents an amphibolite body entirely surrounded by gneissous granite and augen genisses. More than 90% of the amphibolite body is made up with schistose or ... -
The pegmatite dyke at Rømteland. A description of the minerals and a discussion of the mineral paragenesis, especially within the system (Fe, Mn)-TiO2-Y2O3-(Nb, Ta)2O5-SiO2.
(NGU (211), Journal article, 1960)Pegmatitten som her er beskrevet ligger på Rømteland, ca. 7 km V for Vigeland i Vest-Agder fylke, Syd-Norge. Pegmatitten ligger i en kvarts-monzonitt (farsunditt), som innehar følgende mineraler: kvarts, mikroklin, plagioklas, ...