浅议元素离子电位和丰度与巨型矿床的关系

doi:10.13278/j.cnki.jjuese.201504114

摘要/Abstract

摘要：

元素的质和量及其排列组合方式被认为是矿床形成的"基因".使用离子电位与克拉克值定量反映元素的质、量特征.成矿不外乎"源、运、储"三个环节,而离子电位通过控制金属"运"的行为影响其成矿能力,笔者给出了唯一的具有一定成因意义的元素离子电位,并发现离子电位与全球巨型矿床数目(n)、吨位堆积指数(TAI)可以拟合为一条向上开口的抛物线.克拉克值通过影响元素参与成岩-成矿过程的浓度继而支配着它们的地球化学行为,笔者证实了金属累积堆积量(m)与其丰度(c)呈线性相关,暗示某元素的高丰度可能意味着该元素的区域资源优势.

关键词: 离子电位, 克拉克值, 丰度, 吨位堆积指数, 巨型矿床, 相关关系

Abstract:

Both elemental quality and quantity as well as their way of permutation and combination are widely considered to be the "genes" of ore-deposits. Significantly, ionic potential and Clark value can represent the basic elemental geochemical attributes which can be divided into both of "quality" and "quantity". Thus, we studied the relationship between such two indivisible geochemical properties of ore-elements and the tonnage accumulation index (TAI) of giant ore-deposits. There are three critical steps to achieve the formation of ore-deposits; and they are material source, transportation, and preservation. In terms of its control ability to elemental behaviors of transportation (and/or preservation?), an ionic potential must exerts a striking influence on its elemental ore-forming ability; so does the Clark value in terms of its control of material source and of some geochemical behaviors that are sensitive to elemental abundance and strongly affect the concentration in those rock-and ore-forming processes. The available and unique value of ionic potential of some individual elements was worked out; and the mathematic relationship between the numbers of TAI of global giant ore-deposits and elemental ionic potentials was subsequently depicted, which appears as an opening-up parabola. Whereas, there is a rather clear linear relationship between metal resource reserves stored in giant and supergiant ore deposits all over the world and the elemental Clark values. So, a larger value of metal abundance indicatel its regional superiority of resources.

Key words: ionic potential, Clark value, abundance, TAI(tonnage accumulation index), giant ore-deposits, correlativity

中图分类号:

赵博, 王斌, 石成龙, 廖煜钟, 赵欣, 张涛, 张德会. 浅议元素离子电位和丰度与巨型矿床的关系[J]. 吉林大学学报(地球科学版), 2015, 45(4): 1112-1120.

Zhao Bo, Wang Bin, Shi Chenglong, Liao Yuzhong, Zhao Xin, Zhang Tao, Zhang Dehui. Relationship Between Elemental Ionic Potential,Together with Elemental Abundance, and Giant Ore-Deposits[J]. Journal of Jilin University(Earth Science Edition), 2015, 45(4): 1112-1120.

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