Titlebook: Origin and Evolution of the Cape Mountains and Karoo Basin; Bastien Linol,Maarten J. de Wit Book 2016 Springer International Publishing Sw

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Seismic Imaging of Dolerite Sills in the Karoo Basin, with Implications for Shale Gas Potentialls. These sills have intruded close to the Whitehill Formation at several locations within the basin, and may impact shale gas exploration of this horizon. In the southeastern Karoo Basin, around Queenstown, seismic data reveal the presence of 5–30?km wide saucer-shaped sills with vertical thickness

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Ambient Noise Tomography (Passive Seismic) to Image the Cape-Karoo Transition Near Jansenville, Eastansenville. Ambient seismic signals were continuously recorded for a three week period. In this chapter, we reconstruct estimates of the seismic Green’s functions between sensor pairs by cross-correlating the ambient seismic signals recorded in the vertical component of each station. The resulting G

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New Structural Data and U/Pb Dates from the Gamtoos Complex and Lowermost Cape Supergroup of the Eas Permo-Triassic Cape Fold Belt of South Africa, during the Gondwanide Orogen. Here, we present further evidence that rocks of the Gamtoos Complex, predating the deposition of the Lower Paleozoic Cape Supergroup, west of Port Elizabeth, form part of an accretionary prism, or lower detachment, of déco

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An Overview of Cape Fold Belt Geochronology: Implications for Sediment Provenance and the Timing of nding of the sedimentary provenance history and poor constraints on the timing of deformation has restricted the ability to provide a coherent tectonic model for the evolution of the CFB. Provenance studies on the Cape Supergroup, which dominates CFB outcrop, are largely limited to U-Pb dating of de

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New Evidence for the Correlation of Basalts of the Suurberg Group with the Upper Part of the Karoo Bes are very poor and the tectonic significance of the Suurberg rocks and the origin of the Mimosa basalts are contentious. Drilling of stratigraphic boreholes at four localities allowed detailed sampling of the basalts from two cores 90?km apart for geochemical, age and palaeomagnetic investigations

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High-Resolution Petrographical and Chemical Scanning of Karoo Sedimentary Rocks Near Dolerite Sill C oil and gas bearing shales. Such effects are common in the Permian black shale formations of the Karoo Basin that were intruded by basin-wide dolerites in the Early Jurassic (~182?Ma). Distinct changes in mineralogy and cracking of organic matter associated with high heat and fluid flow affect the

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