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物探与化探  1985, Vol. 9 Issue (5): 351-356    
  论文 本期目录 | 过刊浏览 | 高级检索 |
湖北某地金的区域地球化学特征与找矿效果
童霆
湖北物探队
GEOCHEMISTRY OF GOLD IN A CERTAIN DISTRICT OFHUBEI PROVINCE AND ITS EFFCTIVENESS INORE-PROSPECTING
Tong Ting
Geophysical and Geochemical Prospecting Party, Bureau of Geology and Mineral Resources of Hubei Province
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摘要 

本区以往是以铁铜矿产为重点。已知矿床中虽有伴生金,但找金工作,未被重视。区域化探(水系沉积物测显)样品采用痕量测金技术(化学光讲法,检出限0 .3ppb),圈出作为找金远景的毛村—丙山—戊县和甲镇两个金的高值(Au>2ppb)区和22处局部金异常。除已知伴生金矿床外,推测10处有找金远景。其中两处,经查证,发现一处中型金矿床和两处有远景的金矿点。金的区域地球化学资料,正使这个地区的地质工作重点,发生着转移。金量区域地球化学分布,呈相互复合的北东(西北部)、北西(东西部)向带状分布,高、低值带相间排布,强度自北而南增强。反映了受北东、北西向两组构造制约的特点。金的局部异常,即位于此两组构造的结点上,呈棋盘格状分布。本文指出甲镇、两山南部,是本区今后找金最有远景的两个地区。本文还对与铁铜成矿作用有关的燕山期中酸性侵入体,作出了含金性的评价,指出以往一直认为不成矿的F岩体,有找金前景,并找到已村、庚村两处金矿点。

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关键词 土壤As、Cd元素地球化学特征    
Abstract

The study district was formerly considered to be a district possesing almost exclusively iron and copper deposits. Insufficient attention was paid to the search for gold ores, although this element was observed in known deposits. Using trace gold test technique, i.e., chemical spectroscopy with detecrion limit of 0.3 ppb, regional geochemical prospecting (stream sediment survey) has delimited two high gold terrains with Au >2ppb (Maocun-Binshan-Wuxian and Jiazhen) and 22 local gold anomalies, as prospective sites in search for goposits, In addition to known gold-associated occurrences, ten places are supposed to to be quite promising in gold prospecting, of them, two have already been proved to contain a middle-sized gold deposit and two good gold occurrences. Regional geochemical data of gold have been changing the attention of geological work in this study district. The regional geochemical distribution of gold assumes combined zonation trending northeasterly in the nosthwest part and northwesterly in the southeast part, with alternating high and low values which show an increasing trend of intensity from north to south. All this implies that gold distribution is controlled by NE and NW trending structures. The local gold anomalies, lying at the intersections of these two sets of structures, are distributed like chessboard. This paper indicates that Jiazhen and southern Binshan are two most favourable sites for gold prospecting in the study district.The Yenshanian intermediate-acid intrusive bodies related to iron and copper mineralizations have been evaluated for their gold potential. It is indicated that the F rock body, formerly regarded as nonproductive, is likely to contain gold, as is supported by the detection of Yicun and Geng;un gold occurrences.

Key wordssoil    As and Cd    geochemical characteristics
     出版日期: 1985-10-24
引用本文:   
童霆. 湖北某地金的区域地球化学特征与找矿效果[J]. 物探与化探, 1985, 9(5): 351-356.
Tong Ting. GEOCHEMISTRY OF GOLD IN A CERTAIN DISTRICT OFHUBEI PROVINCE AND ITS EFFCTIVENESS INORE-PROSPECTING. Geophysical and Geochemical Exploration, 1985, 9(5): 351-356.
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https://www.wutanyuhuatan.com/CN/      或      https://www.wutanyuhuatan.com/CN/Y1985/V9/I5/351
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