Table Mountain Sandstone
E574749
Table Mountain Sandstone is a hard, quartz-rich sedimentary rock formation of great geological and scenic significance in the Western Cape of South Africa, forming dramatic cliffs and rugged mountain landscapes.
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
geological formation
ⓘ
quartz arenite ⓘ sedimentary rock formation ⓘ |
| characteristic |
forms flat-topped mountains
ⓘ
forms rugged mountain landscapes ⓘ forms steep cliffs ⓘ |
| climateInfluence | supports fynbos vegetation on nutrient-poor soils ⓘ |
| color |
light grey
ⓘ
pale buff ⓘ |
| country | South Africa ⓘ |
| depositionalEnvironment |
nearshore high-energy environment
ⓘ
shallow marine ⓘ |
| erosionResistance | high ⓘ |
| forms | prominent escarpments ⓘ |
| formsAquifers | limited fractured-rock aquifers ⓘ |
| fossilContent | generally sparse ⓘ |
| geologicalAge |
Early Paleozoic
ⓘ
Ordovician ⓘ |
| geomorphologicalRole | controls relief and topography of Cape mountains ⓘ |
| grainSize | medium-grained ⓘ |
| importance | key unit in stratigraphy of Western Cape ⓘ |
| lithology |
quartz-rich sandstone
ⓘ
very pure quartzite ⓘ |
| locatedIn |
Cape Fold Belt
NERFINISHED
ⓘ
Western Cape ⓘ |
| mechanicalProperty |
strongly jointed
ⓘ
very hard ⓘ |
| mineralComposition | quartz ⓘ |
| namedAfter | Table Mountain NERFINISHED ⓘ |
| notableExposure |
Cederberg Mountains
NERFINISHED
ⓘ
Hottentots-Holland Mountains NERFINISHED ⓘ Table Mountain NERFINISHED ⓘ Twelve Apostles range NERFINISHED ⓘ |
| overlies | Malmesbury Group NERFINISHED ⓘ |
| partOf | Cape Supergroup NERFINISHED ⓘ |
| permeability | low ⓘ |
| porosity | low ⓘ |
| regionalName | Peninsula Formation (Table Mountain Group) NERFINISHED ⓘ |
| scenicSignificance | major contributor to Cape Town landscape ⓘ |
| tectonicSetting | Cape Fold Belt orogen NERFINISHED ⓘ |
| thickness | several hundred metres ⓘ |
| tourismSignificance | forms iconic cliffs attracting hikers and climbers ⓘ |
| underlies |
Bokkeveld Group
NERFINISHED
ⓘ
Witteberg Group NERFINISHED ⓘ |
| weatheringStyle | blocky joint-controlled weathering ⓘ |
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.