Blar i Artikler på tittel
Viser treff 884-903 av 1064
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The early major structure and petrology of rocks in the Bamble Series, Søndeled-Sandnesfjord, Aust-Agder.
(NGU (327), Journal article, 1976)The geology and major fold structures of part of the Bamble Series are described from an area near Risør, Aust-Agder (some 15 km SW of the Levang paragneiss dome). Major structures are shown to have formed prior to the ... -
The Early Proterozoic Karasjok Greenstone Belt, Norway. A preliminary description of lithology, stratigraphy and mineralization.
(NGU Bulletin (403), Journal article, 1985)The Karasjok Greenstone Belt of Finnmark, Norway, is a sequence of medium-grademetmorphic supracrustal rocks in the northernmost part of the Baltic Shield.Regional mapping has revealed a tectonostratigraphy with the ... -
The Eidsfjord anorthosite, Vesterålen, Norway: field observations and geochemical data.
(NGU Bulletin (434), Journal article, 1998)New fieldwork in the Eidsfjord anorthosite on Langøy, Vesterålen, Nordland, has revealed that the anorthosite in the centre of the investigated complex is associated with large amounts of monzonitic and more mafic rocks ... -
The Eocambrian "Reusch moraine" at Bigganjargga and the geology around Varangerfjord, Northern Norway.
(NGU (251), Journal article, 1967)The Bigganjargga Tillite (Reusch moraine) of N. Norway rests on a striated surface of the underlying sandstone (Tana Group). This unconformity can be followed on both sides of the Varangerfjord and can be correlated with ... -
The Eocambrian stratigraphy of the Bjørånes window and the thrusting of the Kvitvola nappe.
(NGU (234), Journal article, 1965)Den foreliggende artikkel gir en beskrivelse av den eokambriske sedimentlagrekken ved Bjørånes i Koppang-området i Østerdalen. Vi finner her en lagrekke som skiller seg fra utviklingen i Mjøsa-området ved at vi under ... -
The Forties field.
(NGU (316), Journal article, 1975)The Forties Field is a large oil poole which was discovered in 1970 in the northern part of the British sector of the North Sea some 175 km (110 miles) east of Peterhead, Scotland, in water depths of 91-131 metres (300-430 ... -
The geochemistry of Lower Proterozoic mafic to felsic igneous rocks, Rombak Window, North Norway.
(NGU Bulletin (415), Journal article, 1989)The supracrustal sequence of the Rombak Basement Window, consisting of vocanic rocks and quartzites, was intruded by mafic dykes, mafic to intermediate plutons and variety of granitoid batholiths c. 1.8-1.7 Ga aga. The ... -
The geochemistry of Lower Proterozoic siliciclastic turbidities from the Rombak Window, implications for palaeogeography and tectonic settings.
(NGU Bulletin (415), Journal article, 1989)Lower Proterozoic metamorphosed, siliciclastic turbidites at Rombaksbotn and Gautelis in the western part of the Rombak Window have high sand\/clay ratio, whereas those from Ruvssot in the east have a larger silt- and ... -
The geological evolution of the North Sea area in the tectonic framework of North Western Europe.
(NGU (316), Journal article, 1975)The development history of the North Sea area can be subdivided into five stages: 1) Caledonian geosynclinal stage (Cambrian-Silurian), 2) Variscan geosynclinal stage (Devoanin-Carboniferous), 3) Permo-Triassic intracratonic ... -
The geological history of the Grønsennknipa Nappe, Valdres.
(NGU (281), Journal article, 1972)Eocambrian conglomerates and arkoses were deposited on the Precambrian Jotun rocks. The subsequent polyphase structural evolution of this sequence to form the Grønsennknipa Nappe is described. The emplacement of this nappe ... -
The geological interpretation of the Slidre positive gravity anomaly.
(NGU (228), Journal article, 1964)A positive gravity anomaly that occurs in Slidre has an amplitude of 53 mgal and can be separated into two parts. The top of the disturbing body causing the anomaly cannot be deeper than 4 km. Gabbros and mafic gneisses ... -
The geology and petrology of the Rognsund intrusion, West Finnmark, Northern Norway.
(NGU (371), Journal article, 1982)The Rognsund intrusion is an early-Caledonian gabbroic body containing an 800 m thick sequence of metamorphosed cumulates. Well-developed rythmic layering is interpreted in terms of both in situ crystallization and deposition ... -
The geology between Salangsdalen and Gratangenfjord, Troms, Norway.
(NGU Bulletin (405), Journal article, 1986)Forkortet.The geology of an area in southernmost Troms, Norway is presented. SevenCaledonian nappe are recognised, and these rest with thrust contact abovePrecambrian crystalline basement. -
The geology of an area north of Gåsbakken, Sør-Trøndelag.
(NGU (247), Journal article, 1967)This paper constitutes a description of the geology of the Lower Ordovician strata outcropping in a 70 sq.km area, north of the village Gåsbakken in Sør-Trøndelag. A review of the stratigraphy is given. Three phases of ... -
The geology of Skjervøy, North Troms, Norway.
(NGU (255), Journal article, 1968)A geological map and section of the island are presented. Despite the lack of sedimentary structures, the meta-sedimentary succession of limestones, overlain by pelite, overlain by a thick series of psammites is thought ... -
The geology of the Caledonides of the Birtavarre region, Troms, Northern Norway. Birtavarre-områdets geologi.
(NGU (192), Journal article, 1955)(forkortet) I denne avhandling fremlegges resultatene av den geologiske kart- leggingen. Malmene og deres opptreden vil bli behandlet i en senere publikasjon av F.M. Vokes. Et oversiktskart over Birtavarre-området er gitt ... -
The geology of the Caledonides of the Reisa Valley Area, Troms - Finnmark, Northern Norway.
(NGU (213), Journal article, 1961)Somrene 1959 utførte Geofysisk Malmleting malmundersøkelser i Reisadalen og tilstøtende områder. Da kjennskapet til berggrunnen var meget mangelfullt var det nødvendig å kartlegge et større område geologisk. Det geologiske ... -
The geology of the Fjeldheim-Gåsbakken area, Sør-Trøndelag.
(NGU (223), Journal article, 1963)The geology of an area south of Trondheim is described and a geological map is presented. This area has not been studied in detail before. Rocks of the Støren Group and the Lower Hovin Group are exposed. The latter group ... -
The geology of the Gjersvik area, Nord-Trøndelag, central Norway.
(NGU (354), Journal article, 1979)The Gjersvik area consist of low-grade metamorphic rocks overlain in the west by the higher grade Helgeland Complex. The low-grade sequence is divided into three groups: the Gjersvik, the Limingen and the Røyrvik Groups. ... -
The geology of the Komagfjord tectonic window of the Raipas suite, Finnmark, Norway.
(NGU (221), Journal article, 1963)The report is based on four summers (1956-59) of field work inan area of approximately 860 km2. The area is located in westernFinnmark, northern Norway, between 70 degrees 10' and 70 degrees 31' Nlatitude and 12 degrees ...