Alluvial Collection

Gold with black sands in a gold pan
Gold (Au) is an elemental metal. It occurs mainly as nuggets in rocks or as seen here, as grains in alluvial deposits

Gold nugget found in a dry river bed outside Potchefstroom, Wits. 120 km southwest of Johannesburg, October 1882. Approximately 68x48mm and 156g in weight

Russia - dunes of Tsuger-Als Sands: ancient alluvial sands along river Tes-Hem valley. Erzin settlement, South Tuva

Digging for gold in British Guiana (now Guyana). Placer washing as carried out by the tributor or Port Knocker. Date: circa 1910s

Platinum (Pt) is an elemental and a very precious metal. The most common source of platinum is from alluvial deposits. Specimen from nirjni, Tagilsk, Urals, Russia

Gold specimens
A variety of gold specimens held at the Natural History Museum, London. Gold is an elemental metal. It occurs mainly as nuggets in rocks and alluvial deposits

Diverse gold nuggets
A diverse collection of gold nuggets from river gravels near Antioqua, Colombia. Deep yellow gold is practically pure whilst the white gold is electrum, an alloy containing significant silver

The Wicklow gold nugget
The Wicklow Nugget was found in the Ballin valley stream, Co. Wicklow, Ireland in 1795. The nugget became the property of George III and weighed 682g

Canada - Typical Mining Scene
British Columbia, Canada - Typical Mining Scene showing two prospectors blowing black sand from placer gold. The word placer refers to the alluvial deposits in modern or ancient stream beds

Panning Alluvial Gold
A New Zealand gold miner in wading boots sifts through the alluvial gold he has panned

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