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SUMMARY:FRACTURE SYSTEMS in the Karoo basin: Differentiating brittle struc
 tures related to DYKE AND SILL EMPLACEMENT from those related to Tectonics
DTSTART;VALUE=DATE-TIME:20141001T082000Z
DTEND;VALUE=DATE-TIME:20141001T083000Z
DTSTAMP;VALUE=DATE-TIME:20261006T153247Z
UID:indico-contribution-3983@events.saip.org.za
DESCRIPTION:Speakers: Thomas Muedi (AEON - NMMU)\nThe Karoo Basin is an ar
 ea intruded by dolerite sills and dykes. It is also speculated that those 
 dolerite rocks may have intruded through pre-existing fractures. Fractures
  are well known as joints by geologists. Fractures are commonly formed whe
 n the stress exceed the rock strength and they acts as pathways to the hyd
 rocarbon migration\, water and other fluids during Karoo dolerite emplacem
 ent. \nThe presence of opening of natural fractures networks in the Karoo 
 Basin defines an economic shale gas potential. This project is going to ex
 plore the tectonic fracture systems and fractures related to the emplaceme
 nts of dolerite sill and dykes. The emplacement of the dolerite dykes and 
 sills are going to be modeled from the coastal plain of the Eastern Cape P
 rovince coastal region toward the Lesotho Escapement in order to test thei
 r chemistry and geochronological relationships. The density of joints will
  be statistically analyzed and joints density will establish the relations
  of joints with faults\, lithology types and intensive brittle deformation
 s. \nThe fracture or joint systems will be analyzed using the stereo-plot 
 open source software. Fractures can display self-similarity pattern\, thei
 r geometry is also going to be tested using ImageJ software. The GIS and r
 emote sensing will be used to compile satellite images and map productions
  of the Shixini area geology. A radiometric dating technique is going to b
 e used to date dolerite sill and dykes from the coast towards inland empla
 ced dolerites in order to establish and to test emplacement relationship. 
 The outcome of this project could be an open window to the decision makers
  and could stimulate more interest on more studies to be conducted to unde
 rstand the Karoo well before fracking could take place.\n\nKEY WORDS: Frac
 ture systems\, dolerite dykes and sill\, Fracking\, Fractals and geochrono
 logy\n\nhttps://events.saip.org.za/event/40/contributions/3983/
LOCATION:Matjiesfontein's Lord Milner Hotel Conference Room\, Matjiesfonte
 in Station
URL:https://events.saip.org.za/event/40/contributions/3983/
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