Den tektomagmatiske aktiviteten i Oslofeltet startet i slutten av karbon og endte muligens så sent som i trias. Tidspunktet for da den tektomagmatiske aktiviteten startet, er godt begrenset, både ved biostratigrafi og ved ...

Mobility of sand by fluidization, so-called sand tectonics, can drive surface movements and thereby have a significant impact on depositional environments. Deformation related to sand mobilization is a typical understudied ...

The goal of this thesis is to estimate the amount of extension and displacement across faults using geometrical constraints. The mapped area is dominated by middle Ordovician to lower Silurian sediments folded during the ...

The Mandawa Basin situated in south coastal Tanzania, has been a site for scientific research since the 1900s and a prospect for hydrocarbon exploration from the 1950s. The basin is located approximately 80 km west of the ...

This study presents source and reservoir characterization of Jurassic rocks by conducting compaction study, petrophysical analysis and rock physics diagnostics on data from 18 exploration wells in the Central North Sea, ...

The Tørdal pegmatite field, located in the county of Telemark in southern Norway, is known for its enrichment in Sc as well as other rare metals. During the last decade, the interest for Sc has increased, due to its important ...

The Early to Middle Jurassic Stø Formation is the most commercially important sandstones reservoir in the Barents Sea. Stø Formation was deposited in a relatively shallow epicontinental sea in northern Pangea. One of the ...

This study presents the tectonic analysis of deformation structures in Slemmestad area. The study area lies in the southwest of Oslo. The analysis is conducted to better understand the fracture development and deformation ...

Målet med dette studiet var å finne den naturlige miljøtilstanden i dypassenget i Lurefjorden på Vestlandet, endringer i miljøstatus gjennom tid og akkumulasjonsraten til organisk karbon i Lurefjorden ble også kalkulert. ...

The Cambrian-Ordovician boundary interval within Alum Shale at Krekling, Norway, is for the first time investigated for biostratigraphy. Samples were taken from the Alum Shale levels, within the almost continuous succession ...

The study comprises the Morrison Formation with the three members, Tidwell, Salt Wash, and Brushy Basin members, Upper Jurassic, Utah, USA. The Tidwell Member represents floodplain, lacustrine and fluvial environments. The ...

The present study investigated the impact of organic loading from fish farm waste on the benthic environment surrounding a fish farm, and the organic carbon accumulation in fjord sediments in a Western Norwegian fjord. One ...

The geology of the Orkney Islands is dominated by well-studied Devonian sedimentary rocks deposited in the Orcadian basin. However, on the islands of Mainland Orkney and Graemsay there are small, relatively poorly studied ...

The Larvik plutonic complex is an intrusive suite within the Palaeozoic Oslo Rift, Norway, consisting of ten individual ring sections of monzonite (larvikite) and lardalite. The Bjønnes nepheline syenite is a relatively ...

Chemical analyzes and observations give new information on the formation of the Sc-silicate thortveitite in the Evje-Iveland pegmatite field. A correlation between a muscovite- or biotite dominated pegmatite and the ...

Geologically, the Barents Sea with deep sedimentary basins, highs and platforms is a complex mosaic and formed as a result of different geologic and tectonic processes with complex geological history. The history of the ...

In the last few years the tectonostratigraphic model of the Caledonides has been revised, to account for among others the melange unit discussed in this thesis. This unit, which in the past have been overlooked, consist ...

A study of columbite-tantalite paragenesis and garnet chemistry in the mixed NYF+LCT pegmatite field of Evje-Iveland, South Norway. A detailed study of the muscovite rare-element REE pegmatite at Solås were done to better ...

This thesis presents a 3D seismic analysis of fluid and gas induced hydrothermal vent complexes in a 310 km2 area at the Møre Basin, offshore Norway. The mid-Norwegian Møre Margin is regarded as a type example of a volcanic ...

Investigation of the marginal marine Curtis Formation of the Middle to Upper Jurassic succession, composed of the Entrada Sandstone, the Curtis Formation and the Summerville Formation, in ascending order. As a whole, the ...

The Raudvatnet massive sulphide deposit is located in Hattfjelldal in Nordland, Northern Norway. Deposit investigations have been made by mining companies Boliden AB and Aspro AS in the 1960’s and 1980’s respectively. The ...

The tectonic evolution of the Late Mesoproterozoic Sveconorwegian Province has traditionally been considered to reflect continent-continent collision, which has been correlated with the Grenville Province in Canada. The ...

The Permian Triassic Mass Extinction (PTME) is the most crucial extinction in earth’s history. The recovery of terrestrial and marine habitats and ecosystems are scarcely explored due to the minute material excavated from ...

In this study, tooth-bearing bones and vertebrae of Omphalosaurus from the Early Triassic of Spitsbergen have been examined to better understand the morphology, lifestyle and systematic affinities of this enigmatic marine ...

The Barents Sea is the new target area for the oil industry, particularly the Triassic and Jurassic strata. Deeply buried sandstone reservoirs have proved to have good quality in the North Sea due to presence of chlorite ...

Abstract Reservoir characterization is one of the vital steps for hydrocarbon exploration and prospect evaluation. It improves the reservoir understanding and reduces risk during exploration. In this study a combined ...

Quartz cementation and precipitation of clays are two of the most porosity and permeability reducing processes in the Brent Group sediments. Dissolved feldspar and authigenic kaolinite occur at shallow depths as a function ...

Lower Jurassic Cook Formation is an important hydrocarbon reservoir in northern North Sea due to its anomalously high porosity at depths around 3000 meters. This study presents information about the depositional environment, ...

The Scandinavian Caledonides have been long studied, yet their ever unfolding complexity renders them far from being fully understood. It has been recognized that the Caledonian Allochthons have neither a linear nor ...

Recently, population and development approach closer to mountainous regions and other landslide prone areas. Since landslides produce loss of life and damaging to property, monitoring and analysing the runout behaviour of ...

The study area is located in the Bjørnøya basin, the southwestern Barents Sea. It is surrounded by the Loppa High and Sub-platform to the east and southeast, the Veslemøy high to the west and to the north by the Bjørnøyrenna ...

Representatives of the avian taxon Zygodactylidae are among the best known small arboreal birds from the early Palaeogene. Still, however, the anatomy of zygodactylids is not fully understood. It is therefore important ...

The Caledonian mélange unit of South Norway is a unit that has largely been overlooked in previously studies of the Caledonides. The mélange consists of Alpine type metaperidotite bodies now found as serpentinites, talc ...

Abstract Late Smithian (Early Triassic) ammonoids from a single carbonate concretion in the uppermost Lusitaniadalen Member ( Fish Niveau , Vikinghøgda Formation) at Stensiöfjellet, Spitsbergen, are studied and compared ...

Deeply buried reservoirs represent interesting plays on the Norwegian Continental Shelf due to the efficiency of chlorite coatings as a porosity-preserving mechanism. This study investigates factors controlling reservoir ...

Different horizons within an exposed deformed sedimentary sequence can, along with the fracture pattern, potentially be utilized by reducing fluids, in turn altering the mineralogical composition of the unit. Potentially ...

En masteroppgave som tar for seg mikrofossilanalyse med fokus på conodonter i tillegg til avsetningsmiljø basert mikrofacies-analyser.

Based on the integration of U-Pb isotopic data, geochemical data, petrographic data and geological data of the Neoproterozoic granitic and metavolcanic rocks of southernmost ANS, Northern Ethiopia, western shire district, ...

The abundance of specific clay minerals have been used to reconstruct the origin of the Kilwa Group clays, and to determine the relative changes in diagenesis, weathering and climate conditions. Late Cretaceous to Early ...

Mandawa Basin in coastal Tanzania was formed as a result of tensional forces related to the Gondwana break-up and the opening of the Indian Ocean. Mandawa Basin has been influenced by transgressive and regressive phases ...

The Upper Ordovician (Upper Katian to Middle Hirnantian) of the Skogerholmen Formation, Husbergøya Formation and the Langøyene Formation has been studied on the islands Hovedøya, Rambergøya and Langøyene in the inner part ...

The northern Ringvassøy-Loppa Fault Complex consists of extensional faults which separate the Tromsø and Hammerfest basins in south; the Loppa High and Tromsø Basin in center; and the Polhem Subplatform and Tromsø Basin ...

Low-grade metamorphic minerals have been found within the high-grade terrain in the Bamble sector, SE-Norway. The minerals prehnite and pumpellyite indicative of prehnite-pumpellyite facies conditions have been confirmed ...

Sedimentary successions of Mesozoic age have been studied in the Mandawa Basin, with the emphasis on describing facies and facies associations to provide information about the depositional environments. The diagenetic ...

The Early Jurassic Cook sandstones from the northern North Sea, Knarr area have been investigated to provide information of the reservoir quality. Four cored wells, 34/3-2 S, 34/3-1 S, 34/3-3 S and 34/5-1 S, have been ...

The Garn Formation sandstone on the Halten Terrance exhibits higher porosity than expected at burial depths exceeding 4000 meters (between 10 and 10.5 % in the two studied wells). The reason for these relatively high values ...

The south-west Barents Sea is an epicontinental platform consisting of N- to NNE-oriented basins separated by basement highs. It is underlain by thick sequences of Upper Paleozoic to Cenozoic sediments and Caledonian ...

Abstract Reservoir characterization is one of the most important step in exploration and development phases of any prospect. It combines the results of different analyses to reduce the risk and uncertainties and to enhance ...

Field work for this thesis was conducted in Andreè Land, North-East Greenland Caledonides (73,35 N, 26,15 W), a region dominated by the Hagar Bjerg-Niggli Spids Thrust Sheet. The thrust sheet is composed of three main ...

In situ weathering of the Mesoproterozoic, hornblende- and biotite-rich Rønne granite at Nygård kaolin pit provides a well preserved, Jurassic to Early Cretaceous saprolite section on Bornholm. Fresh Rønne granite could ...

This study is located in the innermost part of Van Mijenfjorden, in the bay of Braganzavågen; close to the mining town of Svea. Two seasons of field work have been conducted during summer 2011 and 2012. During this field ...

Snøhvit field is the only field in production in Norwegian Barents Sea. Most of the hydrocarbons are gas. Complicated tectonic history of this field resulted in low matured source rocks, highly faulted structures, low ...

Ei masteroppgåve som beskriv mineralogien og petrologien i eklogitten og årene i Engebøfjellet-eklogitten i Sunnfjord, Noreg. Oppgåva inkluderar XRF bulk-analyser, kvantitative XRD bulkanalyser, mikrosondeanalyser, ...

Present-day subduction zones exhibit intense seismic activity in the descending oceanic lithosphere. The mechanism behind shallow earthquakes is generally well-understood and related to frictional stick-slip on fault planes. ...

At the Cenomanian-Turonian (~94 Ma) boundary, sudden and major disruptions in the oceanic systems occurred. The disruptions led to the establishment of worldwide oceanic anoxia and deposition of organic-rich sediments. ...

An exotic pegmatite classified as a rare-element gadolinite type amazonite pegmatite is situated in Paleozoic sedimentary rocks, and associated with the peralkaline ekerite granites in the Permian Oslo Region. The amazonite ...

Many different palynological, sedimentological and mineralogical data were been used in this research in order to reconstruct the paleoenvironmental changes at the Triassic/Jurassic boundary in Restental. Four different ...

Hensikten med dette studiet har vært å undersøke norske sensitive leirer med hensyn til mineralogien. Studiet har blitt utført i samarbeid med det tverretatelige programmet Naturfare - Infrastruktur, Flom og Skred (NIFS). ...

A total of seventy reservoir core samples from nine wells of the Mid-Norway and the Barents Shelf were geochemically analyzed to compare the composition, alteration effects, maturation and organic facies. The analytical ...

Svartodden leddet i Huk Formasjonen ved Slemmestad, Buskerud, har blitt undersøkt for å beskrive avsetningsmiljøet i området da sedimentene ble avsatt under tidsperioden Ordovicium. Svartodden leddet er rikt på endoceratide ...

The Sælabonn Formation belongs to the Bærum Group, and is recognized in the western part of the Oslo Region, from Mjøsa in the north to Skien in the south. The Sælabonn Formation is the lowermost unit in the Silurian ...