Victorian gold rush in the Melbourne "Argus" on 8 September 1851, leading to a rush to the Mount Alexander or Forest Creek diggings, centred on present-day Castlemaine, claimed as the richest shallow alluvial goldfield in the world. These discoveries were soon surpassed by Ballarat and Bendigo. Further discoveries including Beechworth in 1852, Bright, Omeo, Chiltern (1858–59) and Walhalla followed. The population of Melbourne grew swiftly as the gold fever took hold. The total number of people in Victoria also rose. By 1851 it was 75,000 people. Ten years later this rose to over 500,000. Surface alluvial gold was the first to be exploited.
Australian gold rushes managed by the National Trust of Australia (WA) states:The gold rush transformed the Western Australian economy as gold production soared from 22,806 ounces in 1890 to 1,643,876 ounces in 1900 and this was matched by the fourfold increase in WA's population from 46,290 in 1890 to 184,124 reported in the 1901 census. Gold was rediscovered near Tarnagulla on 6 November 1906 (Melbourne Cup Day), when a miner who had prospected the district for years obtained seven ounces of gold from a shaft nineteen feet (6 metres) deep. With some fairly large nuggets being found soon after, the so-called Poseidon rush,