Results 1 to 10 of about 4,180,077 (66)
Geological Survey of Denmark and Greenland Bulletin, 2017 Supplementary data to GEUS Bulletin 39 Lithostratigraphy, geology and geochemistry of the volcanic rocks of the Vaigat Formation on Disko and Nuussuaq, Paleocene of West Greenland.
Asger Ken Pedersen +2 more
doaj +2 more sources
Lithostratigraphy of the Tertiary Vaigat Formation on Disko, central West Greenland [PDF]
Rapport Grønlands Geologiske Undersøgelse, 1985 The lithostratigraphy of the early Tertiary Vaigat Formation on Disko is presented. The formation is divided into six members: Naujanguit Member, Asuk Member, Kûgánguaq Member, Qordlortorssuaq Member, Ordlingassoq Member and Manítdlat Member. The members were formed by two major igneous events.
Asger Ken Pedersen +2 more
core +7 more sources
Magnetostratigraphy of Palaeocene basalts from the Vaigat Formation of West Greenland [PDF]
Geophysical Journal International, 1999 SUMMARY A palaeomagnetic study comprising the directional results from 289 individual lava flows, sampled along eight sections in the Palaeocene basalts of West Greenland, is reported. The eight individual sections are correlated using lithostratigraphical marker horizons to form a single composite profile. Generally, the lithological correlation is in
Riisager, Peter, Abrahamsen, N.
openaire +3 more sources
Drone-based magnetic and multispectral surveys to develop a 3D model for mineral exploration at Qullissat, Disko Island, Greenland [PDF]
Solid Earth, 2022 Mineral exploration in the West Greenland flood basalt province is attractive because of its resemblance to the magmatic sulfide-rich deposit in the Russian Norilsk region, but it is challenged by rugged topography and partly poor exposure for relevant ...
R. Jackisch +11 more
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GEUS Bulletin, 2022 The Palaeogene volcanic succession in the northern part of the Nuussuaq Basin in West Greenland comprises three formations: the Vaigat and Svartenhuk Formations of Paleocene age (61–58 Ma) and the Naqerloq Formation of Eocene age (57–54 Ma).
Jørgen Gutzon Larsen +1 more
doaj +1 more source
Eruption Rates, Tempo, and Stratigraphy of Paleocene Flood Basalts on Baffin Island, Canada
Geochemistry, Geophysics, Geosystems, Volume 23, Issue 9, September 2022., 2022 Abstract High‐temperature melting in mantle plumes produces voluminous eruptions that are often temporally coincident with mass extinctions. Paleocene Baffin Island lavas—products of early Iceland mantle plume activity—are exceptionally well characterized geochemically but have poorly constrained stratigraphy, geochronology, and eruptive tempos.
Joseph Biasi +3 more
wiley +1 more source
Methodology for Evaluating the North Atlantic Igneous Province Reveals Multiple Hotspots at Breakup
Geochemistry, Geophysics, Geosystems, Volume 23, Issue 4, April 2022., 2022 Abstract The North Atlantic Igneous Province (NAIP) has been the focus of numerous studies. However, a systematic integrated methodology to assess the NAIP, has so far been lacking. For this purpose, a synclinal oceanic rift approach is developed from the stratigraphic record.
Max Rohrman
wiley +1 more source
On Pole Position: Causes of Dispersion of the Paleomagnetic Poles Behind Apparent Polar Wander Paths
Journal of Geophysical Research: Solid Earth, Volume 127, Issue 4, April 2022., 2022 Abstract Paleomagnetic poles used to compute apparent polar wander paths (APWPs) are strongly dispersed, which was recently shown to cause a large fraction (>50%) of these poles to be statistically distinct from the APWP to which they contributed, suggesting that current statistical approaches overestimate paleomagnetic resolution. Here, we analyze why
Bram Vaes +2 more
wiley +1 more source
Topographic Correction of Geothermal Heat Flux in Greenland and Antarctica
Journal of Geophysical Research: Earth Surface, Volume 126, Issue 2, February 2021., 2021 Abstract We present a new approach to account for the influence of subglacial topography on geothermal heat flux beneath the Greenland and Antarctic ice sheets. We first establish a simple empirical proportionality between local geothermal flux and topographic relief within a given radius, based on a synthesis of existing observations of these ...
William Colgan +8 more
wiley +1 more source
Alkali Picrites Formed by Melting of Old Metasomatized Lithospheric Mantle: Manîtdlat Member, Vaigat Formation, Palaeocene of West Greenland [PDF]
Journal of Petrology, 2003 Abstract Alkaline picrites and basalts constitute 20–200 m of lava flows and hyaloclastites in the middle part of an ∼2 km thick succession of tholeiitic picrites and basalts formed during continental rifting of West Greenland around 60 Ma.
Larsen, L.M. +3 more
openaire +1 more source