Hydrological Heritage Overview: Johannesburg: Gold in the Rand, Water from the Land

CHAPTER 1: 7
INTRODUCTION
Johannesburg: City of Gold 7
The Hydrological Heritage Overview Project 9
Urban Landscape 10
Water Demands of the City of Johannesburg 11
CHAPTER 2: 13
A GLIMPSE THROUGH TIME: ANCIENT HISTORY
The Origin of Water on Earth 14
A Long and Intricate Geological History 15
Greenstone 22
Johannesburg Dome 22
Witwatersrand Supergroup 23
Ventersdorp Supergroup 25
Transvaal Supergroup and Black Reef Formation 25
Diabase and Syenite 26
Karoo Supergroup 26
Landscape Development and Surface Drainage 26
The Rise of Man 29
CHAPTER 3: 30
A GLIMPSE THROUGH TIME: RECENT HISTORY
Discovery of Gold 32
The Gold Rush and the Founding of Johannesburg 33
After the war 37

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