placer gold 中文意思是什麼
placer gold
解釋
砂金。-
" dug jade " ing, this exploitation and d s placer means have already stopped, only while quarrying and drawing gold dust, electing the jade one from the gravel that is dug out, in passing, output is very few
「挖玉」這一開采和闐砂礦的手段已經停止，只在采掏砂金的同時，從挖出的礫石中順帶選出玉塊，產量微乎其微。 -
Figure 16-20 shows the good correlation observed between the magnetic field and the gold values over a muck-covered placer in this area.
圖16-20表明了此地區腐殖土覆蓋下砂積礦床上面的磁場和含金量之間的良好對比關系。 -
Study on hydrochemical mineralization factor of gold placer
砂金水化學成礦因素探討 -
Figure 16 - 20 shows the good correlation observed between the magnetic field and the gold values over a muck - covered placer in this area
圖16 - 20表明了此地區腐殖土覆蓋下砂積礦床上面的磁場和含金量之間的良好對比關系。 -
Based on a study of statistics of gold geochemical parameters and an analysis of distributiom of geochemical and placer anomalies in eastern shandong and jiaolei basin, this paper has probed into gold - rich and gold - bearing strata in jiaolei basin and pointed out gold - hunting prospects and ore - prospecting targets in this basin
摘要通過對魯東地區及膠萊盆地金地球化學參數統計結果的研究和對地球化學異常、重砂異常分佈規律的分析，探討了膠萊盆地富金及賦金巖層，指出了膠萊盆地的找金前景及找礦方向。
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