Browsing Institutt for geofag by Author "Dypvik, Henning"

Now showing items 1-18 of 18

  • Chesapeake Bay Impact Structure-Development of "Brim" sedimentation in a Multilayered Marine Target 
    Dypvik, Henning; Gohn, Gregory; Edwards, Lucy E.; Wright, Horton; Powars, David S.; Ronald, Litwin (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
    The late Eocene Chesapeake Bay impact structure was formed in a multilayered target of seawater underlain sequentially by a sediment layer and a rock layer in a continental-shelf environment. Impact effects in the “brim” ...
  • Effects of geological heterogeneity on CO2 distribution and migration – A case study from the Johansen Formation, Norway 
    Sundal, Anja; Nystuen, Johan Petter; Dypvik, Henning; Miri, Rohaldin; Aagaard, Per (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2012)
    In characterizing subsurface reservoirs for CO2 storage, the geological heterogeneity distribution is of importance with respect to the injectivity and migration paths. The object of this study is a saline aquifer of ...
  • Experimental hydrothermal alteration of basaltic glass with relevance to Mars 
    Sætre, Christian; Hellevang, Helge; Riu, Lucie; Dypvik, Henning; Pilorget, C; Poulet, Francois; Werner, Stephanie C. (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    Phyllosilicates, carbonates, zeolites, and sulfates on Mars give clues about the planet's past environmental conditions, but little is known about the specific conditions in which these minerals formed within the crust and ...
  • Ground-Penetrating Radar Modeling across the Jezero Crater Floor 
    Eide, Sigurd; Hamran, Svein-Erik; Dypvik, Henning; Amundsen, Hans E. F. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    This article assesses how the ground-penetrating radar RIMFAX will image the crater floor at the Mars 2020 landing site, where lithological compositions and stratigraphic relationships are under discussion prior to mission ...
  • Late Jurassic and Early Cretaceous sedimentation in the Mandawa Basin, coastal Tanzania 
    Fossum, Katrine; Dypvik, Henning; Haid, Muna H.M.; Hudson, Wellington; Brink, Majkel van den (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    This paper concerns the sedimentary successions deposited in the Mandawa Basin after the separation of East and West Gondwana during the subsequent southwards drift of Madagascar in the Late Jurassic to Early Cretaceous ...
  • Petroleum geochemical aspects of the Mandawa Basin, coastal Tanzania: The origin of migrated oil occurring today as partly biodegraded bitumen 
    Abay, Tesfamariam Berhane; Fossum, Katrine; Karlsen, Dag Arild; Dypvik, Henning; Narvhus, Lars J Jørgensen; Haid, Muna Hassan Mohamoud; Hudson, Wellington (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    The shallow marine Upper Jurassic to Lower Cretaceous sedimentary successions of the Mandawa Basin, coastal Tanzania, are located about 80 km away from the offshore gas discoveries of Block 2, Tanzania. In this paper we ...
  • The Planetary Terrestrial Analogues Library (PTAL) – An exclusive lithological selection of possible martian earth analogues 
    Dypvik, Henning; Hellevang, Helge; Krzesinska, Agata Magdalena; Sætre, Christian; Viennet, Jean-Christophe; Bultel, Benjamin Gabriel Rene; Ray, Dwijesh; Poulet, Francois; Loizeau, Damien; Veneranda, Marco; Rull, Fernando; Cousin, Agnes; Werner, Stephanie C. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    The Planetary Terrestrial Analogues Library (PTAL) is a dedicated lithological collection that currently consists of 102 terrestrial rock samples selected to be possible Mars analogues. The ultimate goal is improving future ...
  • Planetary Terrestrial Analogues Library project: 1. characterization of samples by near-infrared point spectrometer 
    Lantz, Cateline; Poulet, Francois; Loizeau, Damien; Riu, Lucie; Pilorget, C.; Carter, John; Dypvik, Henning; Rull, Fernando; Werner, Stephanie C. (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    The PTAL project aims at building and exploiting a database involving several analytical techniques, the Planetary Terrestrial Analogues Library, to help characterizing the mineralogical evolution of terrestrial bodies, ...
  • Pore system evolution in arenaceous regoliths - Case study from the Sila Massif (southern Italy) 
    Riber, Lars; Le Pera, Emilia; Morrone, Consuele; Ietto, Fabio; Conforti, Massimo; Dypvik, Henning (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    Porous and permeable crystalline rocks have the potential of being hydrocarbon reservoirs. In many cases, reservoir properties are created by rock-altering physico-chemical processes occurring in the near-surface environment. ...
  • Provenance studies of southern Tanzania river sediments: Heavy mineral signatures and U–Pb zircon ages 
    Fossum, Katrine; Dypvik, Henning; Morton, Andrew (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Detrital zircon U–Pb geochronology and heavy mineral data from four main rivers in coastal southern Tanzania - the Rufiji, Matandu, Mbwemkuru and Ruvuma rivers - are compared with the bedrock geology of their catchment and ...
  • Radar imager for Mars’ subsurface experiment—RIMFAX 
    Hamran, Svein-Erik; Paige, David A.; Amundsen, Hans E. Foss; Berger, Tor; Brovoll, Sverre; Carter, Lynn; Hanssen, Leif; Dypvik, Henning; Eide, Jo; Eide, Sigurd; Ghent, Rebecca; Helleren, Øystein; Kohler, Jack; Mellon, Mike; Nunes, Daniel C.; Plettemeier, Dirk; Rowe, Kathryn; Russell, Patrick; Øyan, Mats Jørgen (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    Abstract The Radar Imager for Mars’ Subsurface Experiment (RIMFAX) is a Ground Penetrating Radar on the Mars 2020 mission’s Perseverance rover, which is planned to land near a deltaic landform in Jezero crater. RIMFAX ...
  • Reactive transport modelling of an intra-basalt sandstone reservoir, Rosebank, UK 
    Sætre, Christian; Hellevang, Helge; Dennehy, C.; Dypvik, Henning (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2021)
    Abstract The Rosebank field, located in the Faroe-Shetland Basin, contains producible hydrocarbons in intra-basaltic siliciclastic reservoirs. The volcanic-reservoir interface is poorly studied and the geochemical system, ...
  • Sedimentological and Palynological Investigations of the Neoproterozoic Valdres Group 
    Stokkebekk, Even; Nordeng, Eirik N.; Dypvik, Henning; Småkasin, Rikke Øya; Sørhus, Kathrine; Kürschner, Wolfram Michael (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    The Valdres Group (?Cryogenian) has been sedimentologically and stratigraphically studied and sampled in a few key sites (Grønsennknippa, Mellane, Ormtjernkampen). The search for fossils in selected formations has been the ...
  • Shaking and splashing—A case study of far-field effects of the Mjølnir asteroid impact on depositional environments in the Barents Sea 
    Bruhn, Rikke; Nagy, Jenø; Smelror, Morten; Dypvik, Henning; Glimsdal, Sylfest; Pegrum, Richard; Cavalli, Carlo (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2022)
    The Mjølnir impact crater in the Norwegian Barents Sea features among the 20 largest impact craters listed in the Earth Impact Database. The impact is dated to 142 ± 2.6 Ma, corresponding closely to the Jurassic/Cretaceous ...
  • The Lower Miocene Nukhul Formation (Gulf of Suez, Egypt): microfacies and reservoir characteristics 
    Temraz, Mostafa; Dypvik, Henning (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
    The Lower Miocene Nukhul Formation was deposited early during early stages of Gulf of Suez rifting. Outcrop of this Formation at Gebel el Zeit, Egypt is up to 100 m (328 ft) thick and consist of lower sandstone-dominated ...
  • The Lycksele Ring Structure - Still no Proof of an Impact Origin 
    Holmqvist, Anders; Alwmark, Carl; Dypvik, Henning; Nilsen, Odd (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2020)
    The origin of the more than 100 km wide Lycksele ring structure in Sweden has puzzled geoscientists for years. In this short note we present results from field analysis, detailed sampling and laboratory analysis executed ...
  • The Neoproterozoic Valdres Group-depositional conditions and stratigraphical developments in the Mellane and Grønsenn-knippa sections, Valdres, Southern Norway 
    Dypvik, Henning; Stokkebekk, Even; Nordeng, Eirik N.; Småkasin, Rikke Øya; Sørhus, Kathrine; Morton, Andrew C.; Gabrielsen, Roy Helge (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2023)
    The youngest part of the Valdres Group of south-central Norway (mainly the Neoproterozoic Rundemellen unit, Tonian – Cryogenian?) has been sedimentologically and stratigraphically studied and sampled at the Skarvemellen ...
  • Weathering profiles and clay mineralogical developments, Bornholm, Denmark 
    Tan, Pingchuan; Oberhardt, Nikolas; Dypvik, Henning; Riber, Lars; Ferrell, Ray E. Jr (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2017)
    Saprock-saprolite associations were studied by field and laboratory methods (optical microscopy, X-ray powder diffraction, scanning electron microscopy, electron microprobe) in order to describe regolith development in the ...