21. He describes gold mining in detail, with large-scale use of water to scour alluvial gold deposits. 22. Alluvial gold was discovered in and along the river in 1858, with the diggings worked until 1868.23. Output for 1892 1893 was an estimated 2, 000 ounces of alluvial gold worth ? per ounce. 24. On 6 February 1873 alluvial gold was discovered and within 3 months the Lydenburg goldfields was proclaimed. 25. Alluvial gold is regarded as having a high purity and is often found in the coarse form.26. Rather, } } described actual placer gold, alluvial gold powder sometimes still panned from the river's waters. 27. The reef is located about 6 km south of the town and was particularly rich in alluvial gold . 28. Alluvial gold is artisanally exploited from stream gravels in parts of Cameroon, Gabon, Congo, and Central African Republic.29. Also, in other economic fields, were fishermen and also miners mined alluvial gold field and the Medellin river. 30. By the end of 1862 the source of the alluvial gold found in the creek had been uncovered.