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A monument commemorates Arthur J Smith's discovery of the Radium Hill Mining Field in 1906.

The site was first pegged for mining in 1906 after prospector Arthur John Smith inadvertently discovered a radioactive material at a location approximately 40 kilometres (25 mi) East South East of Olary. Smith mistook the dark coloured ore he found for tin oxide or wolfram (tungsten). His samples were sent to Adelaide University where young Sydney geologist and future Antarctic explorer, Douglas Mawson found the ore to contain radium and uranium.

Mawson named the ore davidite after geologist and Antarctic explorer, Sir Edgeworth David. The mine was initially called "Smith's Carnotite Mine" (a similar uranium-bearing mineral) and in September 1906 Mawson proposed the name "Radium Hill." Smith worked the mine for the next two years before allowing the lease to lapse. Adjoining leases stretched for 5 kilometres (3.1 mi) along the lode, with one being half-owned by Mawson.

The Radium Hill Company took over the lease in 1908 and more shafts were sunk. The mine ceased oeration in 1961.

Location

State:SA
Area:AUS
GPS Coordinates:Lat: -32.346103
Long: 140.636567
Note: GPS Coordinates are approximate.
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Details

Monument Type:Monument
Monument Theme:People
Sub-Theme:Industry

Dedication

Front Inscription
THIS MEMORIAL COMMEMORATES
THE DISCOVERY OF THE
RADIUM HILL MINING FIELD 
                BY
     ARTHUR J SMITH
WHO PEGGED HIS FIRST CLAIM
            ON THE
      29TH MARCH 1906
Source: MA
Monument details supplied by Monument Australia - www.monumentaustralia.org.au
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