Paleomagnetism of the Atlantic, Tethys and Iapetus Oceans

Voo, Rob Van der

doi:10.1017/cbo9780511524936

Cited by 499 publications

(244 citation statements)

References 0 publications

Supporting

Mentioning

230

Contrasting

Unclassified

Order By: Relevance

“…The assigned parameters are heat flow densities in mW/m 2 and surface temperatures in °C. Heat flow and surface temperatures assignment for the past stages of basin history can only be estimated based on the general tectonic setting and evolution of the investigated region (Besse & Courtillot 1991;Van der Voo 1993;Yalcin et al 1997;Allen & Allen 2005). To determine the magnitude of burial and erosion Rock-Eval T max temperature and reflectance of vitrinite (R o ) data were used (Table 1).…”

Section: Modelling Proceduresmentioning

confidence: 99%

Burial history, thermal history and hydrocarbon generation modelling of the Jurassic source rocks in the basement of the Polish Carpathian Foredeep and Outer Carpathians (SE Poland)

Kosakowski¹,

Wróbel²

2012

Geologica Carpathica

View full text Add to dashboard Cite

Burial history, thermal maturity, and timing of hydrocarbon generation were modelled for the Jurassic source rocks in the basement of the Carpathian Foredeep and marginal part of the Outer Carpathians. The area of investigation was bounded to the west by Kraków, to the east by Rzeszów. The modelling was carried out in profiles of wells: Będzienica 2, Dębica 10K, Góra Ropczycka 1K, Goleszów 5, Nawsie 1, Pławowice E1 and Pilzno 40. The organic matter, containing gas-prone Type III kerogen with an admixture of Type II kerogen, is immature or at most, early mature to 0.7 % in the vitrinite reflectance scale. The highest thermal maturity is recorded in the south-eastern part of the study area, where the Jurassic strata are buried deeper. The thermal modelling showed that the obtained organic matter maturity in the initial phase of the "oil window" is connected with the stage of the Carpathian overthrusting. The numerical modelling indicated that the onset of hydrocarbon generation from the Middle Jurassic source rocks was also connected with the Carpathian thrust belt. The peak of hydrocarbon generation took place in the orogenic stage of the overthrusting. The amount of generated hydrocarbons is generally small, which is a consequence of the low maturity and low transformation degree of kerogen. The generated hydrocarbons were not expelled from their source rock. An analysis of maturity distribution and transformation degree of the Jurassic organic matter shows that the best conditions for hydrocarbon generation occurred most probably in areas deeply buried under the Outer Carpathians. It is most probable that the "generation kitchen" should be searched for there.

show abstract

Section: Modelling Proceduresmentioning

confidence: 99%

Burial history, thermal history and hydrocarbon generation modelling of the Jurassic source rocks in the basement of the Polish Carpathian Foredeep and Outer Carpathians (SE Poland)

Kosakowski¹,

Wróbel²

2012

Geologica Carpathica

View full text Add to dashboard Cite

show abstract

“…2. Early Ordovician plate-tectonic reconstruction (based on Gmap, Torsvik and Smethurst, 1999), centered 60jN/80jE, containing informations from Pharaoh (1999), Sengör (1985), Torsvik (1998), Van der Voo (1993), Van Staal et al (1998); modified from . Dashed line-Future opening of Palaeo-Tethys.…”

Section: Peri-gondwanan Evolutionmentioning

confidence: 99%

Gondwana-derived microcontinents — the constituents of the Variscan and Alpine collisional orogens

2003

View full text Add to dashboard Cite

The European Variscan and Alpine mountain chains are collisional orogens, and are built up of pre-Variscan ''building blocks'' which, in most cases, originated at the Gondwana margin. Such pre-Variscan elements were part of a preOrdovician archipelago-like continental ribbon in the former eastern prolongation of Avalonia, and their present-day distribution resulted from juxtaposition through Variscan and/or Alpine tectonic evolution. The well-known nomenclatures applied to these mountain chains are the mirror of Variscan resp. Alpine organization. It is the aim of this paper to present a terminology taking into account their pre-Variscan evolution at the Gondwana margin. They may contain relics of volcanic islands with pieces of Cadomian crust, relics of volcanic arc settings, and accretionary wedges, which were separated from Gondwana by initial stages of Rheic ocean opening. After a short-lived Ordovician orogenic event and amalgamation of these elements at the Gondwanan margin, the still continuing Gondwana-directed subduction triggered the formation of Ordovician Al-rich granitoids and the latest Ordovician opening of Palaeo-Tethys. An example from the Alps (External Massifs) illustrates the gradual reworking of Gondwana-derived, pre-Variscan elements during the Variscan and Alpine/ Tertiary orogenic cycles.

show abstract

“…• palaeomagnetics - Embleton (1984), Klitgord & Schouten (1986), Rowley & Lottes (1988), Van der Voo (1993) and Powell & Li (1994);• palaeoreconstructions -Zonenshain et al (1985), Ziegler (1988b), Hutchison (1989), Ziegler (1990), Zonenshain et al (1990), Baillie et al (1994, Khain (1994a), Niocaill & Smethurst (1994), Seng0r & Natal'in (1996), Stampfli (1996 Krahl et al 1983Krahl et al , 1986Krahl 1992) are not affected by Variscan metamorphism.…”

Section: The Reconstructionsmentioning

confidence: 99%