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Itshe lesanti elibomvu lokwakha lethayela letshe elihlanganiswe odongeni langaphandle
I-Red sandstone idwala elivamile le-sedimentary elithola igama ngenxa yombala walo obomvu. Ikakhulukazi yakhiwe nge-quartz, i-feldspar nama-iron oxides, amaminerali anikeza i-sandstone ebomvu umbala nokuthungwa kwayo. Itshe lesanti elibomvu lingatholakala ezindaweni ezihlukene zoqweqwe lomhlaba futhi litholakala ezindaweni eziningi emhlabeni jikelele.
