Along the same line of thought there is this article:

Technical support small-scale mining search
Saturday, August 7, 2010
The small mining Guyanese, whose difficult living just found your hardest stage in the implementation of Plan Implementation Caura, struggling to stand as the sole source of income of more than 20,000 people in the territory of the state of Bolivar, which historically have been linked their lives to this productive activity, full of hardship, sickness and danger. This persistent struggle of small artisanal miners in Guyana, the true discoverers of the rich gold and diamond deposits that are over a hundred years, generating wealth at home and abroad, is now incorporated their search for support in the academy, that is, university sectors, as they are warned that "illegal mining requires a comprehensive policy, as reaffirmed in a statement Betera Artisans Cooperative Association Mining 086, which operates in the mining shaft southern Bolivar state.


Its directors, Nelly Sun Matute, chairman; Macuarisma Maira, secretary and Dave Marsden Forde, technical director, signed the university's fundamental support for the design of a comprehensive policy aimed at small and medium-scale mining and thus have resorted to academics and researchers from the Universidad Nacional Experimental de Guayana (UNEG), such as doctors and Sergio Bermudez Rafael Dario Milano, who have been studying the problem for more than 16 years and claimed repeatedly to the Venezuelan State, a comprehensive policy official to guide and channel the positive and efficient socio-environmental crisis caused by gold mining diamonds on a small scale in the region.