Blar i NGU-publikasjoner på tittel
Viser treff 6243-6262 av 7138
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The distribution of radioactive fall-out Nord-Trøndelag from detailed airborne and ground-gamma ray spectrometer surveying
(NGU Bulletin (427), Journal article, 1995) -
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 EuroGeoSurveys Geochemical Mapping of Agricultural and grazing land Soils project (GEMAS)
(NGU-Rapport (2011.043), Report, 2011)Evaluation of quality control results of total C and S, total organic carbon (TOC), cation exchange capacity (CEC), XRF, pH, and particle size distribution (PSD) analysis.\rRigorous quality control (QC) is one of the ... -
The EuroGeoSurveys geochemical mapping of agricultural and grazing land soils project (GEMAS) - Evaluation of quality control results of aqua regia extraction analysis
(NGU-Rapport (2009.049), Report, 2009)Rigorous quality control (QC) is one of the keystones to the success of any regional geochemical mapping programme. For the EuroGeoSurveys (EGS) GEMAS (Geochemical mapping of agricultural and grazing land soils) project ... -
The Eurogeosurveys geochemical mapping of agricultural and grazing land soils project (GEMAS) - Evaluation of quality control results of particle size estimation by MIR prediction, Pb-isotope and MMI-extraction analysis
(NGU-Rapport (2012.051), Report, 2012)Rigorous quality control (QC) is one of the keystones to the success of any regional geochemical mapping programme. For the EuroGeoSurveys (EGS) GEMAS (Geochemical mapping of agricultural and grazing land soils) project ... -
The Fongen - Hyllingen layered intrusion, Trondheim region, Norway: an excursion guide
(NGU-Rapport (2010.015), Others, 2010)The Fongen-Hyllingen complex, situated 60 km southeast of Trondheim, Norway, comprises the 160 km2 Fongen-Hyllingen layered mafic intrusion (FH1) and the slightly younger, minor (3 km2) mafic to ultramafic Treknattan ... -
The Fongen-Hyllingen Complex. Berggrunnskart 1:30 000
(Map, 2008) -
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 geological setting of the Hamn Nickel Deposit, Senja, Troms
(NGU-Rapport (2009.035), Report, 2009)The Hamn gabbro on Senja is an arcuate body extending from Hamn in the N to Gryllefjordbotn in the S, a distance of just under 10 km. Its average width is ca. 2 km. Its age is 1800\u00B13 Ma, based on U-Pb dating of zircon. ... -
The geology and ore deposits of the Pechenga Greenstone Belt. (Field trip guidebook)
(NGU-Rapport (96.123), Report, 1996)This field excursion guide, 'The geology and ore deposits of the Pechenga Greenstone Belt', prepared for the International Field Conference and Symposium 'Layered Mafic Complexes and Related ore Deposits of Northern ... -
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 ...