NDLI: Neotectonics and its applications for the exploration of groundwater in the fractured Karoo aquifers in the Eastern Cape,South Africa

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Neotectonics and its applications for the exploration of groundwater in the fractured Karoo aquifers in the Eastern Cape,South Africa

Content Provider	Semantic Scholar
Author	Madi, Kakaba
Copyright Year	2010
Abstract	This study is part of an NRF spons ored research project entitled “Neotectonics and its applications for the exploration of groundw ater in the fractured Karoo aquifers in the Eastern Cape” under the NRF Niche area of Water Resources Management and Sustainable Development in the Eastern Cape Provinc e. The identification of relatively highly productive wells in the Karoo fractured aqui fers is extremely difficult. This study aims to identify neotectonic zones and lower stress fields, and apply the results to groundwater exploration in the Eastern Cape Provinc e. The methodologies adopted in this stu dy include: a comprehensive literature review, extensive field mapping and investigation s uch as road cuts, sampling for laboratory studies, examination of seismic data, st udy of hot and ordinary springs, and interpretation of aerial photography and satellite images. Three main neotectonic belts were identified in the Eastern Cape (southern neote ct nic belt, northern neotectonic belt and eastern neotectonic belt) based on literature r eview and field interpretations. The southern neotectonic belt (from the Cape Fold Belt to the lower Beaufort Group boundary) is characterized by the reactivation of t he Coega-Bavianskloof and Sauer faults, the presence of a hot spring near Fort Beau fort, the slickenlines and discrete slickenlines and specifically the seismic events th at were recorded in the Eastern Cape from 1850 to 2007. In this southern neotectonic bel t the remote sensing has also revealed the presence of the Fort Beaufort fracture, the qua rtz veins seen in some dolerites and the different vegetation types along it may indicate th at this fracture is possibly a fault; moreover the Quaternary sediments and weathered dol erites indicate that the Fort
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://vital.seals.ac.za:8080/vital/access/services/Download/vital:11523/SOURCEPDF
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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