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Sluice Box Chromite

Placer concentrates are frequently composed largely of black sandhe black sand is chiefly magnetite but may include small amounts of ilmenite and chromiten the cariboo, sluice-box concentrates contain very little black sand, being composed mostly of cube iron pyrite and, on some creeks, abundant galenarown and red garnets are found in placer concentrates from the quesnel and.

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