what was the european method for gold mining

Mining Methods - CalaverasHistory The Gold Rush is generally considered to be the period between 1848 and roughly 1860, during which time a flood of Argonauts entered California's mining regions, prospected new areas, and eventually spread their activities to neighboring territories. Mega mining merger creates $18B gold-mining company · CNBC's Jackie DeAngelis reports on Barrick Gold announcing it's buying Randgold for 6.1 billion dollars in stock to create the world's largest gold miner. What methods are used for large scale gold mining in ... Not much large scale gold mining is going on in Nigeria at present. According to Wikipedia's article 'Mining industry of Nigeria': " Gold deposits are found in Northern Nigeria, most prominently near Maru, Anka, Malele, Tsohon Birnin Gwari-Kwaga, Gurmana, Bin Yauri, Okolom-Dogondaji, and Iperindo in Kwara Stateit is not very dominant in the country. Gold production began in 1913 and peaked in ...    Read More