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Arciszewski, J. (author)
The early Eocene was a relatively warm period during with large numbers of tropic and warm-water biotas. Global surface temperature decreased through the Middle Eocene and into the Late Eocene by 4 to 5 degrees (Prothero et al, 1994). At the end of the Late Eocene a much more rapid cooling took place, the Eocene Oligocene transition (EOT)....
report 2014
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van Zutphen, A.C.A. (author), van Wamel, W.A. (author), Brons, A.J. (author)
Detailed structural analysis and mapping in the Lavagna Nappe reveals the effect of various phases of deformation on a regional scale. The earliest phase produced large isoclinal, originally SW-facing folds (F1). A second phase led to the development of open folds (F2). The vergence of the younger folds (F3, F4) is NE. Thrusting occurred in two...
report 1984
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Zeeman, J.H. (author), Groenenboom, J. (author), Van der Kruk, J. (author)
This paper aims at improving imaging algorithms for ground penetrating radar data. Recent efforts try to achieve this by incorporating the electromagnetic vector propagation, describing the source and receiver antenna as far field point-source radiation patterns. Here, we show that a theoretically sound imaging operator can be constructed based...
report 2001
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Boon, Maartje (author)
report 2006
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Dieperink, Donna (author)
Impact-generated hydrothermal systems are considered a possible habitat for early life and are therefore of importance for the search of Martian life. To assess possible (past) impact-generated hydrothermal systems in Martian impact structures, two analogue structures on Earth, the Vargeão and Vista Alegre impact structures in Brazil, were...
report 2023
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Thijssen, A.C.D. (author)
The Bakhuis Granulite Belt (BGB) is a PaleoProterozoic granulite facies domain in west Suriname, South America. Mineral assemblages such as sapphirine + quartz and orthopyroxene + sillimanite + quartz indicate that the belt experienced Ultrahigh-Temperature (UHT) metamorphism, which was dated at 2,07 – 2.05 Ga (De Roever et al., 2003a). In the...
report 2016
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Kollaard, R. (author)
report 2016
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Klompmaker, Adiël A. (author), Artal, Pedro (author), van Bakel, Barry W. M. (author), Fraaije, René H. B. (author), Jagt, John W. M. (author)
All known etyid crabs (Crustacea, Decapoda) from the upper Albian – lower Cenomanian Aldoirar coralgal-dominated patch reef (Albeniz Unit, Eguino Formation), as exposed at the disused Koskobilo quarry in Navarra, northern Spain, are described, discussed and illustrated. A new species, Xanthosia koskobiloensis, the first member of the genus on...
report 2010
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Maaskant, A.E. (author), Fokkema, J.T. (author), Drijkoningen, G.J. (author)
In this paper we present a method for obtaining the pre-stack image map in the horizontal time – vertical time domain. Our approach is based on a data analysis in the double Radon domain, where the spatial complexity of the subsurface leads to a recognizable structure. Conventional velocity analysis is avoided by quantifying the scaling...
report 1992
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Mazumder, Saikat (author), Plug, Willem-Jan (author), Bruining, Hans (author)
Enhanced Coal Bed Methane (ECBM) recovery techniques, based on carbon dioxide injection, have been proposed for the recovery of larger fraction of methane in place. Laboratory studies and recent pilot field tests demonstrate that CO2 injection has the potential to enhance coal bed methane recovery through displacement desorption mechanism with...
report 2003
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Otten, M.T. (author)
report 1981
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Veenma, Y.P. (author)
report 2018
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Oud, Karen (author)
report 2008
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van Beek, H.J.T. (author)
report 1980
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Barens, L.M. (author), van Borselen, R.G. (author), Fokkema, J.T. (author), van den Berg, P.M. (author)
During marine seismic data acquisition, the data are shot in the so-called end-on configuration, which means that the receivers are positioned only at one side from the source. In marine seismic data processing, the missing offsets at the other side from the source are often reconstructed by applying physical reciprocity, i.e., source- and...
report 1995
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Marijnissen, K.A. (author)
The dynamo of the solid inner core and liquid outer core gives rise to the Earth’s magnetic field, a field that changes in direction and intensity and can be reversed. This process of geomagnetic reversals is still poorly understood, because only a few sections have been recorded in high resolution, which are crucial to get a better...
report 2017
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Schulp, A.S. (author), Kennedy, W.J. (author), Jagt, J.W.M. (author), Hanna, S.S. (author)
report 2000
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Storm, P. (author)
report 1990
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van Tooren, M.M. (author)
report 1998
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Heesakkers, V.M.J. (author)
report 2003
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