黑龙江省漠河县金沟林场地区砂金特征及其与岩金的关系
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摘要
漠河县金沟林场地区砂金丰富,采集砂金样品3件,对砂金的粒度、形态、成分等进行了统计分析和测试。结果表明,区内砂金粒度为中粗粒,形态总体上以粒状为主,板状、片状次之;分选性一般,磨圆度中等;砂金溶蚀系数小,成色高,结合微量元素含量等特征可以判断砂金的主要补给源表现为中近源或近源,与岩金矿关系密切并具有一定的继承性,来源于八里房、砂宝斯林场或其它岩金矿床;区内剥蚀程度小,研究区东部岩金找矿潜力大。综合研究表明,砂金的原生金矿床类型为中低温热液型矿床。
With rich gold placers in Jingoulinchang district,Mohe County,statistic alanalysis and test on granularity,shape and component of three gold placer samples are carried out. The result indicates gold placers are mediumcoarse particle size,forms of which arein general granular,followed by plate and sheet,and with ordinary selectivity and moderate roundness. The corrosion coefficient is low and purity is high. Considering the characteristics such as the content of trace elements,it suggests that the gold placers are proximal or medium-proximal to sources,and are intimate with gold deposits,in succession to gold deposits like Balifang,Shabaosilinchang and others. With little degree ofdenudation,the east part of the target area displays large great prospecting potentials for gold deposits. Through comprehensive analysis,the paperinfers that gold placers originate from middle-low temperature hydrothermal deposits.
With rich gold placers in Jingoulinchang district,Mohe County,statistic alanalysis and test on granularity,shape and component of three gold placer samples are carried out. The result indicates gold placers are mediumcoarse particle size,forms of which arein general granular,followed by plate and sheet,and with ordinary selectivity and moderate roundness. The corrosion coefficient is low and purity is high. Considering the characteristics such as the content of trace elements,it suggests that the gold placers are proximal or medium-proximal to sources,and are intimate with gold deposits,in succession to gold deposits like Balifang,Shabaosilinchang and others. With little degree ofdenudation,the east part of the target area displays large great prospecting potentials for gold deposits. Through comprehensive analysis,the paperinfers that gold placers originate from middle-low temperature hydrothermal deposits.
引文
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[2]邱殿明,张兴洲,俞保祥,等.黑龙江砂宝斯金矿构造控矿特征及找矿方向[J].黄金,2004,25(11):13-17.
[3]中国人民武装警察部队黄金地质研究所.内蒙古额尔古纳成矿带北段以金为主的资源综合调查评价[R].廊坊:中国人民武装警察部队黄金地质研究所,2002.
[4]陈满,刘涛,徐伦先,等.大兴安岭漠河砂金富集区岩金找矿思路[J].地质与资源,2006,15(1):33-37.
[5]吴尚全,李秀梅,蔡尚波,等.黑龙江省砂金的粒度及形态特征[J].黄金地质,1997,3(1):1-9.
[6]王治华,刘荫椿,王科强,等.内蒙古虎拉林地区砂金与岩金的关系[J].黄金地质,2004,10(1):7-11.
[7]王春宏,葛良胜,郭晓东,等.西藏崩纳藏布砂金矿中金的来源研究[J].黄金科学技术,2006,14(6):1-12.
[8]吴尚全,王春宏,李秀梅,等.黑龙江省砂金的指纹(化学成分)特征[J].黄金地质,1997,3(3):1-7.
[9]蔡尚波,吴尚全,王春宏,等.黑龙江省砂金的成色特征[J].黄金地质,1997,3(2):1-6.
[10]张宝林,淳于树菊,宋长春,等.黑龙江省大、小兴安岭北部砂金成色分布规律的初步研究[J].黄金科学技术,1993,1(1):32-34.
[11]袁江洪.黑龙江省呼玛县西部地区岩、砂金关系探讨[J].黄金地质,1996,2(4):33-38.
[12]王献忠,舒本耀,梁海军,等.大兴安岭北部砂宝斯金矿床控矿因素及成因[J].黄金地质,2003,9(3):45-48.
[13]中国人民武装警察部队黄金第三支队.黑龙江省漠河县砂宝斯金矿控矿构造与找矿预测研究[R].哈尔滨:中国人民武装警察部队黄金第三支队,1998.
[14]赵炳新,宋丙剑,周殿宇,等.黑龙江省漠河县砂宝斯金矿地质特征及成矿规律浅析[J].黄金科学技术,2007,15(2):20-25.
[15]王晓勇,贾伟光,张春辉,等.黑龙江砂宝斯金矿床成矿物理化学环境研究[J].黄金,2005,26(2):8-11.
[16]武广,孙丰月,朱群,等.上黑龙江盆地金矿床地质特征及成因探讨[J].矿床地质,2006,25(3):215-230.
[17]晋海滨,张文强,刘涛,等.三十二站金矿床地质特征及流体包裹体研究[J].现代矿业,2014,30(6):50-53.