Blar i Rapporter på forfatter "Roberts, David"
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A tectonostratigraphic transect across the central Scandinavian Caledonides, Storlien - Trondheim - Lepsøy. Part II: Excursion guide in Norway.
Robinson, Peter; Roberts, David (NGU-Rapport (2008.064), Others, 2010)This guidebook was prepared for the Norwegian part (seven days) of Excursion no. 34 ofthe 33\" IGC, Oslo, 2008, to give participants from outside the region as comprehensive a view as possible within 10 days of the ... -
Barents Sea Aeromagnetic Remapping BASAR-08 – Acquisition, processing and interpretation
Brönner, Marco; Koziel, Janusz; Barrère, Cecile; Roberts, David; Olesen, Odleiv; Ebbing, Jörg; Gernigon, Laurent (NGU-Rapport (2009.020), Report, 2009)A high sensitivity aeromagnetic survey, BASAR-08, was carried out in an area of 80,600 km2 in the Norwegian Barents Sea. Data processing comprised spike-removal and data editing, systematic corrections, statistical, and ... -
Bedrock Geology of the Porsanger - Tana Region, Finnmark: An Excursion Guide.
Roberts, David; Siedlecka, Anna (NGU-Rapport (92.317), Report, 1992)Thirty-one selected localities are brefly described along a traverse fromPorsangerfjorden to Tanafjorden. The localities provide a general impressionof representative rock types and their deformation in the Gaissa and ... -
Coop Phase 2 Crustal Onshore-Offshore Project
Olesen, Odleiv; Baranwal, Vikas; Brönner, Marco; Dalsegg, Einar; Dumais, Marie-Andrée; Gellein, Jomar; Gernigon, Laurent; Heldal, Tom; Larsen, Bjørn Eskil; Lauritsen, Torleif; Lutro, Ole; Maystrenko, Yuriy; Nasuti, Aziz; Roberts, David; Rueslåtten, Håkon; Rønning, Jan Steinar; Slagstad, Trond; Solli, Arne; Stampolidis, Alexandros (NGU-Rapport (2015.063), Report, 2015)The Crustal Onshore-Offshore Project (Coop) is an integrated mapping and research project established to study the onshore-offshore relationships in the northeastern North Sea and Mid Norway. The Coop Phase 2 Report ... -
Geochemistry and Rb-Sr dating of trondhjemite dykes from the Gula Group, near Snøan, Sør-Trøndelag.
Roberts, David; Sundvoll, Bjørn (NGU-Rapport (96.163), Report, 1996)Trondhjemite dykes forming part of a swarm cutting the Gula Group metasedimentsand tectonically overlying Støren Group metabasalts in the district south ofStøren, Sør-Trøndelag, have been investigated in road-cuts in the ... -
Geokjemiske og mikrostrukturelle trekk som ledsager mylonittisering langs den vestlige randen av Bindalsbatolitten, Nord-Trøndelag
Roberts, David; Nissen, August L. (NGU-Rapport (96.164), Report, 1992)Et geokjemisk studium er foretatt av endeledd tilknyttet mylonittiseringen av en granitt-protolitt tilhørende Bindalsbatolitten, like øst for Kongsmoen, Nord-Trøndelag. Mylonittiseringen viser flere teksturelle og strukturelle ... -
Geologisk og strukturgeologisk kartlegging for Jernbaneverket Utbygging i Asker og Bærum
Solli, Arne; Braathen, Alvar; Roberts, David; Nordgulen, Øystein; Lutro, Ole (NGU-Rapport (98.124), Report, 1998)NGU har på oppdrag for Jernbaneverket Utbygning utført geologisk kartlegging og strukturgeologiske undersøkelser i området langs planlagt jernbanetrase fra Skøyen via Sandvika til Asker. På grunnlag av tilgjengelige data ... -
Geology of the Fosen Peninsula and Trondheimsfjord Region: a synopsis and excursion guide.
Roberts, David (NGU-Rapport (98.119), Report, 1998)In the first part of the report, a synopsis is presented of the general geology and tectonostratigraphy of this part of Central Norway, with a slightly more detailed account given of the geology of Fosen Peninsula. The ... -
HeatBar Final Report 2010, Basement Heat Generation and Heat Flow in the western Barents Sea - importance for hydrocarbon systems
Balling, Niels; Willemoes-Wissing, Bjørn; Slagstad, Trond; Roberts, David; Mesli, Melani; Elvebakk, Harald; Ebbing, Jörg; Davidsen, Børre; Barrère, Cécile; Pascal, Christophe (NGU-Rapport (2010.030), Report, 2011)The HeatBar project aimed to determine the relative proportion of heat originating in the basement of the western Barents Sea and, as such, followed the methodologies and scientific approach developed in the course of the ... -
HeatBar Report 2008, basement heat generation and heat flow in the western Barents Sea - Importance for hydrocarbon systems
Elvebakk, Harald; Wissing, Bjørn; Slagstad, Trond; Skilbrei, Jan Reidar; Siedlecka, Anna; Roberts, David; Olesen, Odleiv; Gernigon, Laurent; Pascal, Christophe; Barrière, Cécile; Davidsen, Børre; Ebbing, Jörg (NGU-Rapport (2008.072), Report, 2008)The HeatBar project aims to determine the relative proportion of heat originating in the basement of the western Barents Sea and, as such, follows the methodologies and scientific approach developed in the course of 2005-2008 ... -
Hovedtrekk av geologien i Nord-Trøndelag og Fosenhalvøya.
Roberts, David (NGU-Rapport (85.274), Report, 1985)Rapporten er først og fremst en syntese av berggrunnsgeologien i Nord-Trøndelag og nabo-områdene i Sør-Trøndelag på Fosenhalvøya. Korte beskrivelser er gitt over de geologiske hovedinndelingene, med en noe mer omfattende ... -
Late Vendian U-Pb zircon age of a dolerite dyke from near Hamningberg, Varanger Peninsula - a preliminary report
Roberts, David; Walker, N. (NGU-Rapport (96.162), Report, 1996)A dolerite dyke cutting very low-grade metasandstones of the Løkvikfjellet group near Hamningsberg, NE Varanger Peninsula, has yielded a U-Pb zircon age (upper intercept) of 554+20\/-14 Ma; and a lower intercept of c.375 ... -
Neotectonic studies in Finnmark 1992
Olesen, Odleiv; Olsen, Lars; Roberts, David (NGU-Rapport (92.325), Report, 1992)The postglacial Stuoragurra Fault (SF) lies within the regional Mierujav'ri- Sværholt Fault Zone which is located in the extensive Proterozoic terrain of inner Finnmark. To explore the SF at depth, 135 m of core-drilling ... -
Rb-Sr dating of cleaved mudstones from eastern and western parts of the Gaissa Nappe Complex, Finnmark
Roberts, David; Sundvoll, Bjørn (NGU-Rapport (2002.110), Report, 2002)Samples of pervasively cleaved mudstones and claystones from two different parts of the Gaissa Nappe Complex in Finnmark were subjected to Rb-Sr analytical investigation with the aim of trying to dtermine the metamorphic ... -
Report from a visit to the Komi Branch of the Russian Academy of Sciences in Syktyvkar, Russia, and from fieldwork in the central Timans, August 1995
Siedlecka, Anna; Roberts, David (NGU-Rapport (95.149), Report, 1995)The objective of research initiated in Central Timans in August 1995 was to extend and continue the work carried out in the Varanger-Rybachi-Sredni-Kildin area during the years 1990-93. The studies embraced stratigraphy, ... -
Samtolking av geodata i Grongfeltet - status pr. 15.12.94
Dalsegg, Einar; Dyrstad, Geir Ståle; Solli, Arne; Roberts, David; Reinsbakken, Arne; Meyer, Gurli B.; Heim, Michael; Grenne, Tor; Elvebakk, Harald; Sandstad, Jan Sverre (NGU-Rapport (94.094), Report, 1994)Rapporten oppsummerer undersøkelsene som er utført innenfor prosjektet \"Samtolkning av geodata i Grongfeltet\" under feltsesongen 1994 og de fore- løpige resultatene fra disse er gitt. Oppfølgende undersøkelser var på ... -
Scientific research exchange programme on the Upper Proterozoic geology of the Varanger Peninsula, Rybachi and Sredni Peninsula, Kildin Island, Bolshoi Aynov and Malyi Aynov Islands. Report from the joint fieldwork on the Norwegian and Russian sides
Siedlecka. Anna; Predovsky, A.; Negrutsa, V.; Lyubtsov, V.; Torsvik, Trond; Roberts, David (NGU-Rapport (92.321), Report, 1991)The 1991 fieldwork in this project was a continuation of investigations commenced in 1990. The Norwegian and Russian workers agreed that: (1) The Trollfjorden-Komagelva Fault Zone continues from the Varanger Peninsula to ... -
Scientific research programme on the Upper Proterozoic geology of the Varanger Peninsula, Rybachi and Sredni Peninsulas, Kildin Island, Bolshoi Aynov and Malyi Aynov Islands. Report from the joint field- work on the Norwegian and Russian sides of th
Siedlecka, Anna; Negrutsa, V.; Lyubtsov, V.; Roberts, David (NGU-Rapport (92.320), Report, 1990)Stratigraphic sections and key localities were examined on both sides of the national border during this first season of the international collaboration. During fieldwork on Varanger Peninsula the Russian workers concentrated ...