oa Civil Engineering = Siviele Ingenieurswese - Interesting geotechnics at Impala Platinum

Volume 13, Issue 4
  • ISSN : 1021-2000



Extracted from text ... GEOLOGY The geology of the area belongs to the Rustenburg Layered Suite of the Bushveld Complex. According to the 1:250 000 geological map (2526 Rustenburg) the unit present on site is the Pyramid gabbronorite. This unit comprises gabbro, norite and anorthosite layers that gently dip to the east. To the west and north-west of the site outcrop hills of gabbro-norite are present (2). TYPICAL PROFILE At the site a typical profile comprised the following (3): 00, 0 to 01, 3 m Clay vertisol 01, 3 to 04, 1 m Completely weathered, very closely jointed very soft rock resembling gravel; norite 04, ..

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