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  本文選題：塊尺寸 + 估計方差��； 參考：《吉林大學(xué)學(xué)報(地球科學(xué)版)》2017年01期

【摘要】：在礦產(chǎn)勘查、礦山設(shè)計、生產(chǎn)及管理等各階段都需要進行資源儲量估算的工作。地質(zhì)統(tǒng)計學(xué)方法相對于傳統(tǒng)儲量估算方法具有明顯優(yōu)勢,在資源儲量估算中獲得了廣泛的應(yīng)用。估值過程中單元塊尺寸的合理選擇對儲量估算結(jié)果至關(guān)重要,然而,在以往實踐中塊尺寸通常根據(jù)經(jīng)驗或主觀判斷進行選擇,缺乏科學(xué)依據(jù)。本文在總結(jié)前人工作及地質(zhì)統(tǒng)計學(xué)資源儲量估算經(jīng)驗的基礎(chǔ)上,將塊尺寸的選取問題明確地劃分為勘探階段和生產(chǎn)階段。針對不同階段的特點,重點討論了塊尺寸與品位、儲量、估計精度、選別開采單元的關(guān)系,為塊尺寸的合理選擇提供參考。并以某特大型鉬礦為工程背景,進行了深度解析及數(shù)據(jù)實驗,得出了塊尺寸不僅影響資源品位分布、礦石量而且影響開采技術(shù)經(jīng)濟指標(biāo)的結(jié)論,綜合考慮估計精度和選別開采單元,推薦該礦床選擇15m×15m×15m的單元塊尺寸進行儲量估算。
[Abstract]:Resource reserve estimation is necessary in mineral exploration, mine design, production and management.The geostatistics method has obvious advantages over the traditional reserve estimation method and has been widely used in resource reserve estimation.The reasonable selection of unit block size is very important to the result of reserve estimation. However, in previous practice, block size is usually selected according to experience or subjective judgment, which is lack of scientific basis.On the basis of summing up the previous work and the experience of estimating the reserves of geostatistics resources, the selection of block size is clearly divided into the exploration stage and the production stage.According to the characteristics of different stages, the relationship between block size and grade, reserves, estimation accuracy, and selection of mining units is discussed, which provides a reference for the reasonable selection of block size.Taking an extra large molybdenum mine as the engineering background, the depth analysis and data experiment are carried out, and the conclusion is drawn that the block size not only affects the distribution of resource grade, ore quantity but also the technical and economic indexes of mining.Considering the accuracy of estimation and the selection of mining units, it is recommended that the unit size of 15m 脳 15m 脳 15m should be chosen to estimate the reserves of the deposit.
【作者單位】： 北京科技大學(xué)金屬礦山高效開采與安全教育部重點實驗室;北京科技大學(xué)土木與資源工程學(xué)院;山東黃金(北京)產(chǎn)業(yè)投資有限公司礦業(yè)基金部;長春黃金設(shè)計院;中鐵資源集團有限公司金屬事業(yè)部;
【基金】：“十二五”863計劃項目(2012AA062200)~~
【分類號】：P624.7

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