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The Pongola Supergroup
DistributionStratigraphyLithologies
Field RelationsThe Outcrops
Origin
The Pongola Supergroup
DistributionStratigraphyLithologies
Field RelationsThe Outcrops
Origin
The Pongola Supergroup
DistributionStratigraphyLithologies
The Pongola Supergroup
LIMPOPO BELT
The Pongola Supergroup
LebomboDrakensburgStormbergBeaufortEccaDwyka
Kaapvaal ProvinceNatal Metamorphic ProvinceMozaan GroupIntrusive graniteNsuze GroupNatal Group
The Pongola Supergroup
SOUTHERN DOMAIN
NORTHERN DOMAIN
Hartland Area
White Mfolozi Inlier
Mhlatuzi Inlier
The Pongola Supergroup
Agatha
White Mfolozi
LangfonteinMkuzane
FORMATIONNSUZE GROUPWhite Mfolozi
Basement
Mantonga
Nhebela
STRATIGRAPHY OF THE
NSUZE GROUP
Pyroclastic rocksBasalt / andesite
SandstoneConglomerateDiamictite
BIF / Fe mudrockMudrock
Granite / gneiss
~ 2.9 Ga
~ 3,107 + 6 Ma
Bongaspoort
Kihphunyawo
Gabela
Ntanyana
FORMATION
MOZAAN GROUP
Tobolsk
Delfkom
Hlashana
Klipwal
The Pongola Supergroup
STRATIGRAPHY OF THE
MOZAAN GROUP
Pyroclastic rocksBasalt / andesite
SandstoneConglomerateDiamictite
BIF / Fe mudrockMudrock
Granite / gneiss
Thalu
Sinqeni
Ntombe
Hlashana
~ 2.9 Ga
The Pongola Supergroup
STRUCTURE North relatively undeformed with
shallow dips
South deformed with a series of upright synclines and anticlines
The Pongola Supergroup
STRUCTURE SOUTH
upright synclines and anticlines
The Pongola Supergroup
STRUCTURE SOUTH
Upright anticline base of Mozaaan
The Pongola Supergroup
STRUCTURENorth shallow dips
The Pongola SupergroupPONGOLA
SUPERLATIVES
• Oldest diamictite• Cyclical volcanicity with wide compositional range• Multiple thin komatiite flows• Rhyolite pillows• Pahoehoe structures• Stromatolites• Oldest sedimentary Mn• Synchronous sedimentation and volcanicity• Subaerial and subaqueous volcanicity• Ultramafic pyroclastics
The Pongola Supergroup
Usushwana Complex
Field RelationsThe Outcrops
Origin
LebomboDrakensburgBeaufortEccaDwyka
Kaapvaal ProvinceNatal Metamorphic ProvinceMozaan GroupIntrusive graniteNsuze GroupNatal Group