Blar i NGU Open Archive på emneord "SPEKTROMETRI"
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Compilation of magnetic and radiometric data measured from helicopter in the Troms – Northern Nordland area.
(NGU-Rapport (2015.022), Report, 2015)NGU conducted airborne magnetic and radiometric surveys at the area of Troms and Northern Nordland between June 2011 and October 2014 as a part of the MINN project (Mineral resources in North Norway). The data from those ... -
Helicopter-borne magnetic and radiometric gaophysical survey in Kviteseid area, Telemark, Norway
(NGU-Rapport (2012.043), Report, 2012)In cooperation with the geologist for Buskerud, Telemark and Vestfold, the NGU conducted an airborne geophysical survey in Kviteseid area in May 2012. This report describes and documents the acquisition, processing and ... -
Helicopter-borne magnetic and radiometric geophysical survey at Kviteseid, Nissedal, Fyresdal and Dalen, Telemark county
(NGU-Rapport (2015.040), Report, 2016)NGU conducted an airborne magnetic and radiometric survey at Kviteseid, Nissedal, Fyresdal and Dalen, Telemark county in June 2015 as a part of the MINS project (Mineral resources in Southern Norway). This report describes ... -
Helicopter-borne magnetic and radiometric geophysical survey in Øvre Dividalen area, Målselv municipality, Troms
(NGU-Rapport (2015.071), Report, 2016)NGU conducted an airborne magnetic and radiometric survey in Øvre Dividalen area in August, September and October 2015, as a part of the MINN program. This report describes and documents the acquisition, processing and ... -
Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey at Vanna, Karlsøy
(NGU-Rapport (2012.021), Report, 2012)NGU conducted an airborne geophysical survey in Vanna area in June 2011 as a part of MINN project. This report describes and documents the acquisition, processing and visualization of recorded datasets. The geophysical ... -
Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in Finnsnes area, Lenvik, Troms
(NGU-Rapport (2012.047), Report, 2012)NGU conducted an airborne geophysical survey in Finnsnes area in July - August 2012. This report describes and documents the acquisition, processing and visualization of recorded datasets. The geophysical survey results ... -
Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in Gauldal and Sokndal area, Sør-Trøndelag County
(NGU-Rapport (2015.053), Report, 2016)NGU conducted an airborne geophysical survey in the Gauldal and Sokndal area in July and October 2015 as a part of the MINS project. This report describes and documents the acquisition, processing and visualization of ... -
Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in Nordreisa, Troms county
(NGU-Rapport (2015.045), Report, 2016)NGU conducted an airborne geophysical survey in the Nordreisa area in August-September 2015 as a part of the MINN project. This report describes and documents the acquisition, processing and visualization of recorded ... -
Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in Rombaken area, Narvik, Nordland
(NGU-Rapport (2012.022), Report, 2012)NGU conducted an airborne geophysical survey in Rombaken area in August - September 2011 as a part of MINN project. This report describes and documents the acquisition, processing and visualization of recorded datasets. ... -
Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in the Alta - Kvænangen area, Troms and Finnmark
(NGU-Rapport (2012.065), Report, 2013)NGU conducted an airborne geophysical survey in Kvænangen area in September-October 2012. This report describes and documents the acquisition, processing and visualization of recorded datasets. The geophysical survey results ... -
Helicopter-borne magnetic, electromagnetic and radiometric geophysical survey in the Storforshei area, Rana, Nordland
(NGU-Rapport (2012.044), Report, 2012)NGU conducted an airborne geophysical survey in Mo i Rana area in July 2012. This report describes and documents the aquisition, processing and visualization of recorded datasets. The geophysical survey results reported ... -
Isotopic evidence on the age of the Trysil porphyries and granites in eastern Hedmark, Norway.
(NGU (266), Journal article, 1970)Rocks from the (sub-Jotnian) acidic plutonic and volcanic basement complexes in the Trysil area, eastern Hedmark, yield a Rb-Sr isochron age of 1541+-69 million years. This agrees within the limits of error with the isochrom ... -
Orphan source detection at REFOX with a 16-litre Nal car-mounted gamma ray spectrometer
(NGU-Rapport (2015.008), Report, 2015)The Geological Survey of Norway (NGU )has been involved in measurements of anthropogenic radiation from the time of the Chernobyl accident of 1986, and since then has cooperated with the Norwegian Radiation Protection ... -
Rb-Sr isochron age of Caledonian acid volcanics at Stord, western Norway.
(NGU (300), Journal article, 1973)An eight-point Rb-Sr whole-rock isochron from Caledonianrhyolites at Stord in western Norway defines an age of 455 +- 5 m.y.and an initial 87Sr\/86Sr of 0.7071 +- 0.00018. This places thevolcanism in the Upper Ordivicium, ... -
Reducing noise in radiometric multi-channel data using noise-adjusted singular value decomposition (NASVD) and maximum noise fraction (MNF)
(NGU-Rapport (2005.014), Report, 2005)The airborne gamma-ray spectrometric method is primarily used for the detection of ore bodies, fallout from nuclear accidents and as a lithological mapping tool. Modern gamma-ray spectrometers can record at least 256 ... -
Refinement of phosphorus determination in quartz by LA-ICP-MS through defining new reference material values
(NGU-Rapport (2007.001), Report, 2009)The aim of this study is to improve the quality of laser ablation inductively coupled mass spectrometry (LA-ICP-MS). Over the last decade the Geological Survey of Norway has routinely performed trace element analyses of ...