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Cradle Mining Gold

what is cradle to cradle certified®? - get certified,cradle to cradle certified® is a globally recognized measure of safer, more sustainable products made for the circular economy. product designers, manufacturers and brands around the world rely on the cradle to cradle certified product standard as a transformative pathway for designing and making products with a positive impact on people and planet..the rocker or cradle: historic gold gravel processing methods,'the great difficulty in mining with the cradle is, that the sand will 'pack,' or make a hard mass on a level with the top of the riffle-bars, and the gold then is lost. so long as the cradle is in motion the dirt does not pack, but when the rocking ceases, the mass hardens in a few minutes..glossary of mining terms – legends of america,rocker box or cradle – like a sluice box, the rocker box has riffles in it to trap the gold. it was designed to be used in areas with less water than a sluice box. the process involves pouring water out of a small cup and then rocking the small sluice box like a cradle, thus the name rocker box or cradle. s.

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