Search Results - "Henning Dypvik"

Altered basement rocks on the Utsira High and its surroundings, Norwegian North Sea by Riber, Lars, Dypvik, Henning, Sørlie, Ronald

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Radar Attenuation in the Shallow Martian Subsurface: RIMFAX Time‐Frequency Analysis and Constant‐Q Characterization Over Jezero Crater Floor by Eide, Sigurd, Casademont, Titus M., Berger, Tor, Dypvik, Henning, Shoemaker, Emileigh S., Hamran, Svein‐Erik

“…Attenuation of radar waves in the subsurface can be quantified with a constant‐Q approximation through time‐frequency analysis. We implement the centroid…”
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Assessing Radar Attenuation in RIMFAX Soundings at the Jezero Western Fan Front, Mars by Eide, Sigurd, Casademont, Titus M., Shoemaker, Emileigh S., Brovoll, Sverre, Berger, Tor, Dypvik, Henning, Hamran, Svein‐Erik

“…Estimates of radar attenuation in the shallow Martian subsurface are retrieved from RIMFAX soundings along the Perseverance rover traverse. Specifically,…”
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Ground-Penetrating Radar Modeling Across the Jezero Crater Floor by Eide, Sigurd, Hamran, Svein-Erik, Dypvik, Henning, Amundsen, Hans E. F.

“…This article assesses how the ground-penetrating radar RIMFAX will image the crater floor at the Mars 2020 landing site, where lithological compositions and…”
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The Paleocene–Eocene thermal maximum (PETM) in Svalbard — clay mineral and geochemical signals by Dypvik, Henning, Riber, Lars, Burca, Florin, Rüther, Denise, Jargvoll, David, Nagy, Jenö, Jochmann, Malte

“…For the first time the Paleocene–Eocene Thermal Maximum (PETM) interval has been identified in drillcores and field outcrops from the Paleogene Central Basin…”
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Geochemical facies analysis of fine-grained siliciclastics using Th/U, Zr/Rb and (Zr+Rb)/Sr ratios by Dypvik, Henning, Harris, Nicholas B

“…Abundance of the trace elements Zr, Rb, Sr, Th and U may provide insight into the sedimentological origin of fine-grained siliciclastic sediments, provided…”
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Observations of Igneous Subsurface Stratigraphy during the Jezero Crater Floor Rapid Traverse from the RIMFAX Ground-penetrating Radar by Shoemaker, Emileigh S., Casademont, Titus M., Carter, Lynn M., Russell, Patrick, Dypvik, Henning, Alwmark, Sanna, Horgan, Briony H. N., Amundsen, Hans E. F., Eide, Sigurd, Hamran, Svein-Erik, Paige, David A., Gupta, Sanjeev, Cardarelli, Emily L., Árting, Uni, Berger, Tor, Brovoll, Sverre

“…Perseverance traversed the eastern, northern, and western margins of the Séítah formation inlier on the rover’s western fan front approach. Mapping the…”
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Environmental changes during the Paleocene-Eocene Thermal Maximum in Spitsbergen as reflected by benthic foraminifera by Nagy, Jenö, Jargvoll, David, Dypvik, Henning, Jochmann, Malte, Riber, Lars

“…The study deals with environmental changes during the Paleocene-Eocene Thermal Maximum (PETM) and its background conditions in Spitsbergen through analysis of…”
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Melt-bearing impactites (suevite and impact melt rock) within the Gardnos structure, Norway by KALLESON, Elin, DYPVIK, Henning, NILSEN, Odd

“…– Melt‐bearing impactites dominated by suevite, and with a minor content of clast‐rich impact melt rock, are found within the central part of the Gardnos…”
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Ejecta formation and crater development of the Mjølnir impact by SHUVALOV, Valery, DYPVIK, Henning

“…— Crater‐ejecta correlation is an important element in the analysis of crater formation and its influence on the geological evolution. In this study, both the…”
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Numerical simulations of the Mjølnir marine impact crater by Shuvalov, Valery, Dypvik, Henning, Tsikalas, Filippos

“…The 40‐km‐diameter Mjølnir crater in the Barents Sea was created by a meteoroid impact into a 400 m shallow sea about 142 Ma. We have used a multimaterial…”
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Diagenetic influence on reservoir quality evolution, examples from Triassic conglomerates/arenites in the Edvard Grieg field, Norwegian North Sea by Mahmic, Orhan, Dypvik, Henning, Hammer, Erik

“…The Utsira High (Southern Norwegian North Sea) has been a petroleum exploration target since the late 1960s. The southwestern part of the Utsira High complex…”
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The Lower Miocene Nukhul Formation (Gulf of Suez, Egypt): microfacies and reservoir characteristics by Temraz, Mostafa, Dypvik, Henning

“…The Lower Miocene Nukhul Formation was deposited during early stages of Gulf of Suez rifting. Outcrop of this formation at Gebel el Zeit, Egypt is up to 100 m…”
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Provenance studies of southern Tanzania river sediments: Heavy mineral signatures and U–Pb zircon ages by Fossum, Katrine, Dypvik, Henning, Morton, Andrew

“…Detrital zircon U–Pb geochronology and heavy mineral data from four main rivers in coastal southern Tanzania - the Rufiji, Matandu, Mbwemkuru and Ruvuma rivers…”
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Martian Ground Penetrating Radar: Toward Automated Diffraction Detection for Dielectric Permittivity by Casademont, Titus M., Dypvik, Henning, Eide, Sigurd, Berger, Tor, Hamran, Svein-Erik

“…The dielectric permittivity is a crucial parameter in planetary ground penetrating radar (GPR) missions such as the RIMFAX radar on the Mars 2020 Perseverance…”
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Distribution of ejecta from small impact craters by Shuvalov, Valery, Dypvik, Henning

“…The present study focuses both on the influence of impact scale on ejecta expansion and on specific features of ejecta deposits around relatively small craters…”
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Integrated heavy mineral study of Jurassic to Paleogene sandstones in the Mandawa Basin, Tanzania: Sediment provenance and source-to-sink relations by Fossum, Katrine, Morton, Andrew C., Dypvik, Henning, Hudson, Wellington E.

“…This paper concerns the heavy mineral composition of Jurassic, Cretaceous and Paleogene sedimentary successions in the Mandawa Basin. The nature of the heavy…”
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3D characterization of porosity and authigenic cementation in Triassic conglomerates/arenites in the Edvard Grieg field using 3D micro-CT imaging by Markussen, Ørjan, Dypvik, Henning, Hammer, Erik, Long, Haili, Hammer, Øyvind

“…X-ray computed tomography (CT) is well known especially in medical applications, but more recently also in geosciences. In this study we present a model for…”
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Pore system evolution in arenaceous regoliths - Case study from the Sila Massif (southern Italy) by Riber, Lars, Le Pera, Emilia, Morrone, Consuele, Ietto, Fabio, Conforti, Massimo, Dypvik, Henning

“…Porous and permeable crystalline rocks have the potential of being hydrocarbon reservoirs. In many cases, reservoir properties are created by rock-altering…”
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Shaking and splashing—A case study of far‐field effects of the Mjølnir asteroid impact on depositional environments in the Barents Sea by Bruhn, Rikke, Nagy, Jenő, Smelror, Morten, Dypvik, Henning, Glimsdal, Sylfest, Pegrum, Richard, Cavalli, Carlo

“…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…”
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