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Transportation and deposition of magnetite and gold in Harris Creek, south-central British Columbia

机译:不列颠哥伦比亚省中南部哈里斯克里克的磁铁矿和金矿的运输和沉积

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Although previous studies have indicated the importance of flood events in the mobilization, transport and deposition of gold by streams, there have been no estimates of actual transport rates of sediment and gold as discharge varies both within and between years. Here, we use Helley–Smith bed load samples from Harris Creek, a gold-rich gravel-cobble bed stream in British Columbia, to develop equations of the form Ri = aQb that relate transport rates (Ri) of sediment, magnetite and gold to discharge (Q). These equations have then been used to estimate the amounts of sediment, magnetite and gold transported by Harris Creek in 1991, 1992 and 1993.
机译:尽管先前的研究表明洪水 事件在河流调动,运输和沉积金的重要性,但尚无实际运输 之间变化。在这里,我们使用来自英国 哥伦比亚的富含金的砾石-卵石床流Harris Creek的Helley-Smith床载荷样本 来开发形式为R i = aQ b ,与 沉积物,磁铁矿和金的排放速率(R i )相关,从而排放 < / sup>(Q)。然后使用这些方程式估算1991、1992和1993年Harris Creek 输送的沉积物,磁铁矿和金的量。

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