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青海卡里果玛钨钼矿区地球化学异常特征及找矿潜力分析

  • 谈艳|赵伟|石延林|管波|张钰|保善斌|马元林
  • 作者单位:
  • 青海省地质调查局|青海省地质调查局|青海省有色第四地质勘查院|青海省有色第四地质勘查院|青海省地质调查局|青海省地质调查局|青海省地质调查局
  • 基金项目:

  • 青海省地质勘查基金项目(2009180002kc001)
  • 详细信息:

  • 作者简介:
  • 谈艳(1990—),女,青海西宁人,工程师,硕士,从事矿产项目管理工作;西宁市城西区胜利路22号地矿花园C座,青海省地质调查局,810001;E-mail:jltyandk@163.com
  • 通讯作者:
  • isnull
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Geochemical anomalous characteristics and prospecting potential analysis of Kaliguoma W-Mo District,Qinghai

  • English Author:
  • Qinghai Geological Survey|Qinghai Geological Survey|The Fourth Geological Survey Institute of Qinghai Province|The Fourth Geological Survey Institute of Qinghai Province|Qinghai Geological Survey|Qinghai Geological Survey|Qinghai Geological Survey
  • Unit:
  • 摘要
  • 在线预览
  • 参考文献

摘要:

卡里果玛钨钼矿床位于北祁连成矿带与中祁连成矿带接触部位,成矿地质条件优越。矿区内矿?逯饕炒嬗诠旁沤缤欣笛胰汉谠颇付て檠矣攵颇付せǜ谘彝饨哟ゴ目蠡幢浯校纬闪巳纫盒桶孜倏笫⒒灶饪笫约笆⒙鲂汀⒂┦鲂桶孜倏笫杌⒂┦角浚倏蠡慷仍礁撸侵匾恼铱蟊曛尽Mü诳ɡ锕甑厍?∶20万水系沉积物AS16乙2大黑山W、Mo异常和1∶5万水系沉积物AS05综合异常内进行1∶1万土壤地球化学测量,圈出了6处土壤综合异常(AP1—AP6),各土壤综合异常强度高、面积大,各异常元素间套合好,极大值高,多数具有内中外三级异常分带,浓集中心明显。综合分析表明,卡里果玛钨钼矿区具有优越的成矿地质条件,地球化学异常发育,已发现了较好的钨钼多金属找矿信息,且获得一定的资源量,充分展示了该矿区具有较大的找矿潜力,通过进一步工作,有望取得较好的找矿成果。

关键词:

水系沉积物测量;土壤测量;地球化学异常;钨钼矿区;卡里果玛

Abstract:

The Kaliguoma W-Mo Deposit is located on the contact zone of North Qilian metallogenic belt and Middle Qilian metallogenic belt,where the ore-forming geological condition is superior.The ore bodies in this area mainly occur in the mineralized alteration zone that is the outer contact zone of the Lower Proterozoic Tuolaiyan Group biotite adamellite and dimica adamellite,where hydrothermal fluid type scheelite and molybdenite,quartz vein type and fluorite type shceelite formed.The stronger the silicification and fluoritization are,the higher the tungsten mineralization is,suggesting silicification and fluoritization are important prospecting indicators.1∶10 000 soil geochemical survey is conducted in 1∶200 000 stream sediment AS162 Daheishan W and Mo anomalies and 1∶50 000 stream sediment AS05 comprehensive anomalies,delineating 6 soil comprehensive anomalies(AP1-AP6).Each soil comprehensive anomaly is characterized by high intensity and large area.Each anomalous element has good sets and high maximum value and most of them are characterized by inner,middle and outer three-level anomaly zonation and distinct concentration center.Comprehensive analysis shows that Kaliguoma W-Mo district has superior ore-forming conditions,and develops geochemical anomalies.Prospecting signs have been found as well as certain amounts of resources,fully showing the prospecting potentials in the area.It is expected that further prospecting work can yield good prospecting achievements.

Keywords:

stream sediment survey;soil survey;geochemical anomaly;W-Mo district;Kaliguoma