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 ...

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 ...

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 ...

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 ...

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 ...

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 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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 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 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 ...

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 ...

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 ...

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 ...

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 ...

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). ...

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 ...

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. ...

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. ...

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 ...

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 ...

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 ...

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 ...

The study presented focuses on mapping and interpretation of the Caledonian structures on Hovedøya and Lindøya, in the inner Oslofjord. The bulk tectonic caledonian transport direction and structures within the study area ...

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 ...

Benthic foraminifera have been extracted from both hydrocarbon seep carbonate structures and adjacent shales of the upper Slottsmøya Member (Agardhfjellet Formation) in central Spitsbergen. The assemblages contain both ...

In this study the taphonomy of a collection of 25 marine reptiles from the Slottsmøya member, (Agardhfjellet Formation) Svalbard was investigated. The marine reptiles which include ichthyosaurs, plesiosaurs and pliosaurs ...

The Albatross discovery is located approximately 140 km northwest of Hammerfest (city of midnight sun), Norway in the central part of Hammerfest Basin, SW Barents Sea. The Albatross discovery included within Snøhvit field ...

Snøhvit field is located in the SW Barents Sea and comprises a reservoir in Lower to Middle Jurassic sandstones of Stø Formation containing gas with thin oil lag. The sandstones of Upper Triassic to Lower Jurassic Nordmela ...

Groundwater wells are often clogged by incrustation, which has a negative impact on well specific capacity. Chemical and biological incrustation formed by precipitation of minerals in the well reduces the open area of slots ...

The main goal of this thesis is to make a detailed lithostratigraphic map of Gressholmen, Rambergøya, Heggholmen and Bleikøya, using an improved topographical database. Upper Ordovician to Lower Silurian sediments are ...

The main goal of this thesis is to make a tectonostratigraphic map of the North to North-east part of Hardangerjøkulen (Klippe), close to Finse. The area is defined by three main units: the Basement, Phyllite and the ...

Landslide susceptibility mapping is very crucial for planning and development in a disaster prone region in Nepal. Nepal is one of the landslide prone countries of the World. Very high relief, steep slopes, complex geology ...

The newly discovered Ritland impact structure is located in Hjelmeland Municipality in Rogaland County, Western Norway. The structure is 2,7 km in diameter, about 350 meters deep and probably of Early/Middle Cambrian age. ...

During the campaign in August 2010, five controlled meteorological (CMET) balloons where launched from Ny-Ålesund. Paul B. Voss developed the CMET balloons, and they are adapted to operate in the Arctic environment. They ...

This study deals with the recunstruction of depositional environments and development of transgressive-regressive sequences within the upper Grumantbyen Formation and lower Frysjaodden Formation in the Central Basin. Data ...

A newly excavated locality yielding plesiosaurs in the Late Jurassic Slottsmøya Member of the Agardhfjellet Formation, Spitsbergen shed new light on earlier theories of functional morphology. The propodials of the Slottsmøya ...

Fossile iskilepolygoner er kartlagt, beskrevet og datert i Finnmark fylke. Tidligere kartlegginger og observasjoner er samlet, digitalisert og oppdatert. I areal er det nå omtrent et dobbelt så stort område som er registrert ...

A well preserved, low diversity assemblage of fossil echinoderms is described from the Volgian Slottsmøya Member (Agardhfjellet Formation) on central Spitsbergen. Five species are recognized: the isocrinid Chariocrinus sp. ...

To identify possible protosources for the Asker Group 573 in situ LA-MC-ICPMS uranium-lead and 509 lutetium-hafnium analyses were performed on detrital zircon grains from seven samples. The samples from the Kolsås and ...

In this study plesiosaur limb bones of four specimens from the Late Jurassic of Svalbard have been studied to map gross internal structure and microstructure and compare this to extant marine reptiles and mammals. Two ...

Hollendardalen Fm. is a shallow marine sandstone unit in the Van Mijenfjorden Group within the Central Basin on Spitsbergen. No detailed systematic mapping, sedimentological or petrographic studies of Hollendardalen Fm. ...

Tre klynger med lamprofyriske gangar er prøvetatt og ein har anteke at desse har same alder. Etter analyse har gangane blitt klassifisert som kalk-alkaline lamprofyrar, alkaline lamprofyrar og ultramafiske lamprofyrar. Dei ...

Micropaleontological analysis was made in 50 Paleogene ditch cutting samples of hydrocarbon exploration well 16/1-8, Norwegian North Sea. The samples and physical log information were provided by Lundin Norway AS. Over 100 ...