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海南吊罗山一带1:5万区调主要成果与进展
引用本文:魏昌欣,李孙雄,云平,周进波,官军,王超,袁勤敏,朱耀河,莫位任.海南吊罗山一带1:5万区调主要成果与进展[J].华南地质与矿产,2011,27(4):335-341.
作者姓名:魏昌欣  李孙雄  云平  周进波  官军  王超  袁勤敏  朱耀河  莫位任
作者单位:海南省地质调查院,海口,570206
基金项目:中国地质调查局国土资源大调查项目(
摘    要:在海南岛东南部吊罗山.陵水县地区完成的1:5万区域地质调查,通过地层学的综合研究,将区域地层划分为5个岩石地层单位(包括1个非正式地层单位);新获得9件侵入岩LA—ICP—MS锆石U—Pb年龄,为建立区域岩浆岩的时空格架和反演演化过程提供了新的资料;通过地球化学对比,首次将调查区内早白垩世保亭杂岩体确定为C型埃达克质岩...

关 键 词:地层划分  锆石U—Pb测年数据  C型埃达克质岩  韧性变形带  海南吊罗山

New Progresses in 1:50 000 Regional Geological Survey of Diaoluoshan Area, Southeastern Hainan Island
WEI Chang-Xin,LI Sun-Xiong,YUN Ping,ZHOU Jin-Bo,GUAN Jun,WANG Chao,YUAN Qin-Min, ZHU YAO-He,MO Wei-Ren.New Progresses in 1:50 000 Regional Geological Survey of Diaoluoshan Area, Southeastern Hainan Island[J].Geology and Mineral Resources of South China,2011,27(4):335-341.
Authors:WEI Chang-Xin  LI Sun-Xiong  YUN Ping  ZHOU Jin-Bo  GUAN Jun  WANG Chao  YUAN Qin-Min  ZHU YAO-He  MO Wei-Ren
Institution:(Geological survey of Hainan province,Haikou,570206,China)
Abstract:During 1:50 000 regional survey in Diaoluoshan area, Lingshui County, southeastern Hainan province, we subdivided the regional stratigraphic system into five lithostratigraphic units (include one informal lithostratigraphic unit) through integrated study of stratigraphy. Obtainment of nine new zircon LA-ICP-MS U-Pb ages of intrusions offered new information for establishing the evolving process and spa- tio-temporal fi'amework of the magrnatic rocks. Early Cretaceous Baoting complex is defined as C-type adakite by geochemical research, which provides basic geological information to search for mineral deposits in Late Yanshanian granite in this area. The petrological, deformation and kinematic features of deformable zone of newly discovered NE-trending Mangsan Reservior-Changfeng ductile shear zone are studied in detail. One rare earth deposit and ten ore occurrences are discovered in this geological survey, and four metallogenic prog- nosis areas are pointed out for further geologic prospecting. The types and distributing character of geological hazards are investigated, and the formation mechanism and inducement of which are also discussed.
Keywords:stratigraphic division  zircon U-Pb dating  C-type adakite  ductile shear zone  regional geological survey  Diaoluoshan area  Hainan Island
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