Deep - level gold mining on the Witwatersrand 1886 onwards.

Question 1

Why is gold valuable

Answer 1

• Durabilty - does not tarnish or conrode.
• Flexibility- flexible and pliant.
• Conductivity- coducts heat and electricity , fine gold used for micro- circuiting.
• Heat reflecting- reflects heat rays effciently , heat protector in space suits and vehicles.
• Colour- ideal for jewellery making.

Question 2

Explain the discovery of gold on Witwaterstrand.

Answer 2

• In 1872 on the farm Spitskop in Lydenburg District by Edward Button.
• Pilgrims rest and Baberton .
• In 1866 George Harrison and George Walker discovered the gold deposit on the farm Langlaagte.

Question 3

How is gold mined

Answer 3

• Open pit mining and Underground mining .
• The ore is extracted from the rock by being chemically separated from rock .