Browsing NGU-publikasjoner by Title
Now showing items 23-42 of 7138
-
A 3-dimensional, time-variant, numerical groundwater flow model of the Øvre Romerike aquifer, southern Norway
(NGU Bulletin (426), Journal article, 1994)Using the U.S.G.S. MODFLOW code, coupled with a Penman-Grindley type recharge model, it has been possible to produce a transient, 3-dimensional groundwater flow model of the Øvre Romerike aquifer. The MODFLOW code was ... -
A 40Ar/39Ar dating study of very low-grade metamorphism from the Rybachi and Sredni Peninsulas, NW Russia -a preliminary report
(NGU-Rapport (98.168), Report, 1998) -
A 6-ka climatic cycle during at least the last 50,000 years.
(NGU Bulletin (445), Journal article, 2005)The distribution of 264 dates in the interval 12,000-50,000 years BP from terrestrial and raised marine sediments from ic-free intervals in Norway shows a fairly strong cycle with a period of c.6 thousand years. The cycle, ... -
A beryllium-magnetite correlation in the Hørtekollen-Grubeås area, Buskerud, Norway, and its use for beryllium prospection.
(NGU (223), Journal article, 1963)A helvite-magnetite mineralization at Hørtekollen was studied for its beryllium and magnetite contents. Statistically, a close correlation between the magnetite and the beryllium contents was found to occur. Therefore a ... -
A brief petrographic study of graphite ore from the Moyale area, southern Ethiopia
(NGU-Rapport (97.005), Report, 1997)This report describes the petrography of the graphite ore from the Moyale graphite deposit in southern Ethiopia. The method for the image-processing of thin sections is described. Eight thin sections were available and the ... -
A buried late MIS 3 shoreline in northern Norway - implications for ice extent and volume
(NGU Bulletin (450), Journal article, 2010)Buried beach gravel in northern Norway represents a late Middle Weichselian\/Marine Isotope Stage (MIS) 3 shoreline and indicates a significant late MIS 3 ice retreat. An age of c. 50-31 cal ka BP, or most likely c. 35-33 ... -
A clay sample from Tangen brickwork.
(NGU (200), Journal article, 1957)En leirprøve fra Tangen teglverk nær Fredrikstad, samlet av E. Kvernstrøm og innsendt til Norges geologiske undersøkelse av H. A. Sand, ble underkastet røntgenundersøkelse (Per Chr. Sæbø), kornstørresesfordeling og ... -
A comparison of transportable and fixed calibration pads for airborne gamma-ray spectrometers
(NGU-Rapport (2024.016), Report, 2024)NGU owns and uses a set of transportable concrete calibration pads for calibration of its airborne gamma-ray spectrometers. The pads are principally designed for hand-held instruments, in contrast with larger fixed ... -
A compilation of previously published geochemical data on the lower Cambro-Silurian sedimentary sequence, including the alum shales of the Oslo region
(NGU-Rapport (2009.053), Report, 2009)As part of understanding the lithological variations of the exotic alum shales outcropping in the Oslo Rift (Fig.1), and how these represent different mineralogical, geochemical, and geomechanical properties, it is helpful ... -
A continous seismic and magnetic profile across the Norwegian Continental Shelf and Vøring Plateau.
(NGU (300), Journal article, 1973)The upper part of the continental slope in the Storegga region dips at approximately 30\u00B0 and from the foot of this feature an undulating surface continues to the base of the slope. In some places these undulations ... -
A copper-zinc mineralization in Trolldalen, Lofoten, Northern Norway.
(NGU (228), Journal article, 1964)From the previous it is most likely that even separated the various mineralizations in Trolldalen are related and contemporary. Allthough different minerals appear in the different veins, pyrrhotite, chalcopyrite and ... -
A Digital Terrain Model of the Korgen waterworks area, Lillehammer kommune
(NGU-Rapport (94.009), Report, 1994)This report has been prepared as part of NGUs contribution to the \"Korgen vannverk\" project being carried out by Berdal Strømme a.s.. This project forms part of the ENSIS VANN project connected with the 1994 Winter Olympic ... -
A fluidization breccia in granite at Skaget, Svellingen, Frøya.
(NGU (380), Journal article, 1983)The breccia consists of fragmented and comminuted host rock material and small amounts of hydrothermal quartz, epidote, laumontite, ?stilbite, calcite and montmorillonite. At least three brecciation and mineralization ... -
A geophysical investigation of Kjølhauggruppen and Sulåmogruppen over two areas near Meråker, Norway
(NGU-Rapport (92.270), Report, 1992)Result of a helicopter geophysical survey in the Meråker area have been inter- preted with the goal of locating mineralization. A comparison of geophysical data over known mines and showings has determined that mineralization ... -
A groundwater vulnerability assessment of the Korgen waterworks, Lillehammer
(NGU Bulletin (427), Journal article, 1995) -
A Groundwater Vulnerability Study of the Korgen waterworks, Lillehammer kommune
(NGU-Rapport (94.010), Report, 1994)This report has been prepared as part of NGUs contribution to the \"Korgen vannverk\" project being carried out by Berdal Strømme a.s.. This project forms part of the ENSIS VANN project connected with the 1994 Winter Olympic ... -
A Late Quaternary correlation chart for Norway.
(NGU (223), Journal article, 1963)A correlation chart is presented containing the stratigraphical results of some selected Norwegian studies in the wide field of Quaternary geology. Studies of plant remains in bogs, pollen investigations, evidence of ... -
A likely Early Ordovician age for the regional penetrative cleavage in the Gaissa Nappe Complex.
(NGU Bulletin (441), Journal article, 2003)Pervasively cleaved mudstones and claystones from two different parts of the Gaissa Nappe Complex in Finnmark wre subjected to Rb-Sr whole-rock analytical investigation. Although neither of the two groups of samples yielded ... -
A mobile gamma ray spectrometer system for nuclear hazard mapping
(NGU-Rapport (2000.088), Report, 2000)The Geological Survey of Norway has developed a system for mobile gamma ray\rspectrometer surveying suitable for use in nuclear emergencies where\rpotentially dangerous radioactive materials have been released into ...