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Summary - Geography / Opsomming - Geografie Gr 11

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Dek al die leerinhoud van die Gr 11 Geografie CAPS- Sillabes

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Uploaded on
June 18, 2023
Number of pages
32
Written in
2022/2023
Type
Summary

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GEOMORFOLOGIE
Geografie




At Hattingh Geografie

, INHOUDSOPGAWE

1)TOPOGRAFIE WAT VERBAND HOU MET HORISONTAAL GELAAGDE GESTEENTES ....................... 2
Kenmerke en prosesse wat verband hou met die ontwikkeling van heuwelagtige landskappe .................. 2
Kenmerke en prosesse wat verband hou met die ontwikkeling van Basaltplato’s ...................................... 5
Kenmerke en prosesse wat verband hou met die ontwikkeling van Canyon-landskappe .......................... 7
Kenmerke en prosesse wat verband hou met die ontwikkeling van Karoo-landskappe ............................. 9
2)TOPOGRAFIE WAT VERBAND HOU MET SKUINS ROTSSTRATA ...................................................... 13
Kenmerke en prosesse wat verband hou met die ontwikkeling van skuins rotsstrata(oorhellende lae) ook
genoem homoklinale riwwe. .................................................................................................................... 14
3) Topografie wat verband hou met massiewe stolrots ............................................................................... 17
4) Hellings/hange........................................................................................................................................ 20
5) Massa-afvoer en menslike reaksies........................................................................................................ 27




Bladsy 1 van 31 ©Copyright reserved/Kopiereg voorbehou At Hattingh©

,1) TOPOGRAFIE WAT VERBAND HOU MET HORISONTAAL GELAAGDE
GESTEENTES

LANDSKAPPE IS DIE GEVOLG VAN:

• Geologie.
• Klimaat en die agente van erosie.
• Die tempo van opheffing en isostatiese verandering.

Doleriet Doleriet
plate plate
Doleriet
plaa




WAT IS HORISONTAAL GELAAGDE ROTSE?

 Topografie wat verband hou met horisontaal gelaagde rotse ontwikkel waar lae rots plat lê.
 Sedimentêre gesteentes word soms met ‘n stollingsgesteente deklaag bedek.

KENMERKE EN PROSESSE WAT VERBAND HOU MET DIE ONTWIKKELING VAN
HEUWELAGTIGE LANDSKAPPE

HEUWELAGTIGE LANDSKAPPE

• Heuwelagtige landskappe word beïnvloed deur die klimaat van die streek en die weerstand
van die rots.
• Hoë reënval lei tot massa-afvoer en plaaterosie terwyl hoë temperature chemiese verwering
bevorder.

Vallei van ‘n duisend heuwels in Kwa- Groen grasheuwels
Zulu Natal




Bladsy 2 van 31 ©Copyright reserved/Kopiereg voorbehou At Hattingh©

, KENMERKE VAN NAT EN KLAM GEBIEDE




• In baie warm en humiede streke is die hellings gerond.
• Golwende landskappe
• Diep grond op hellings
• Rotse is horisontaal en sedimentêr – bied eenvormige weerstand teen erosie.
• Landbou word hier toegepas.

PROSESSE IN WARM HUMIEDE GEBIEDE




• Chemiese verwering is baie aktief
• Daarom breek rotse hoofsaaklik af deur die chemiese verandering van minerale:

➢ Hidrolise
➢ Oplossing
➢ Oksidasie
➢ Plante en bakterieë

MENSLIKE GEBRUIK VAN HEUWELAGTIGE LANDSKAPPE IN VOGTIGE GEBIED

• Grond kan ontwikkel word vir landbou bedrywighede.
• Hellings word beter dreineer. Agv plantegroei en kontoerploeg word gronderosie beperk.
• Swaar masjienerie boerderye sal teen steil hellings beperk word en sal slegs met die hand
bewerk kan word.

Badlands – heuwelagtige landskappe in droë gebiede




Bladsy 3 van 31 ©Copyright reserved/Kopiereg voorbehou At Hattingh©

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