alteration zoning meaning in English
蚀变分带
Examples
- ( 2 ) testing and simulating on the tress field indicates that original stress distributing rule and collective character could be compartmentalized two parts : alteration zone in the surface near sloping and stress calm zone in deep
( 2 )地应力场测试和模拟研究表明，隧道通过部位初始应力分布规律的总体特征可划分为近坡面浅表生改造带和深部应力平稳带。 - Abstract : 145 samples of eight plants were collected from lanmuchang and yangjiawan and quantitative analyses were made of the ore - forming elements in the plant ashes . considering the three principles of the plant indicator for mineral exploration , namely certainty , sensitivity and feasibility , this paper evaluates comprehensively the indicating functions of the eight plants , on the basis of some quantitative indexes such as the relation coefficient between plant ash and ore - forming element , concentration coefficient , etc . it also discusses the relationships between the anomaly of plant ashes and the fault zone , alteration zone mineralization zone and orebody , showing the significance of these plants to the prospecting
文摘:在滥木厂和杨家湾铊(汞)矿床(点)对芒箕、南烛、榔榆、大金发藓、蜈蚣草、石松、黄花草、醉鱼草等8种植物取样145件，在提出确定找矿有效指示植物三原则(确定性，敏感性，可行性)的基础上，依据植物灰分与底质成矿元素相关系数、植物灰分富集系数和衬度系数，较全面地分析和评价了8种植物的找矿功能；讨论了其异常的分布与断裂带、蚀变带、矿化带以及工业矿化(矿体)之间的关系，并指出了其找矿意义。