河北省卢龙县亮甲峪测区地球化学异常及找矿意义

doi:10.11720/wtyht.2020.1385

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Abstract

Eastern Hebei Province has very rich mineral resources;nevertheless, the past prospecting work was focused only on iron and gold deposits,whereas the attention to tungsten deposits was very insufficient.Based on 1∶25 000 soil geochemical survey,the authors conducted detailed soil geochemical survey in the Liangjiayu areaof Hebei Province.Through studying element distribution characteristics,individual element anomaly features,element correlation,and comprehensive anomaly setting combinational anomalies of related elements,the authors determined Au and W as the target ore species elements in the study areaand delineated further prospecting areas.

Key words： Liangjiayu soil geochemical survey geochemical anomaly characteristics Au and W deposits

Received: 26 July 2019 Published: 28 August 2020

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Corresponding Authors: Ming-Long DU

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	Wei-Yan LU
	Ming-Long DU
	Shan-Qing JI
	Chuan LIU
	Xiang-Yuan MENG
	Shi XING
	Zi-Jiang LIU

Cite this article:

Wei-Yan LU,Ming-Long DU,Shan-Qing JI, et al. Geological anomaly characteristics of Liangjiayu area in Hebei Province and their prospecting significance[J]. Geophysical and Geochemical Exploration, 2020, 44(4): 719-726.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2020.1385 OR https://www.wutanyuhuatan.com/EN/Y2020/V44/I4/719

4]
1—Qianxi Rock Group;2—Santunying gneiss;3—Lulong Rock Group;4—Qiuhuayu gneiss;5—Panzhuang gneiss;6—Shuangshanzi Group;7—Zhuzhangzi Group;8—Meso-Neoproterozoic;9—Mesozoic stratum;10—Yanshanian granite;11—Yanshanian diorite;12—pyroxene;13—Xiaoguanzhuang gneiss;14—anticline;15—oblique;16—speculate oblique;17—ductile deformation zone;18—normal fault;19—reverse fault;20—unknown fault;21—speculative fault;22—unconformity boundary;23—geological boundary
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Geological structure of the Archean complex in eastern Hebei^[4]
1—Qianxi Rock Group;2—Santunying gneiss;3—Lulong Rock Group;4—Qiuhuayu gneiss;5—Panzhuang gneiss;6—Shuangshanzi Group;7—Zhuzhangzi Group;8—Meso-Neoproterozoic;9—Mesozoic stratum;10—Yanshanian granite;11—Yanshanian diorite;12—pyroxene;13—Xiaoguanzhuang gneiss;14—anticline;15—oblique;16—speculate oblique;17—ductile deformation zone;18—normal fault;19—reverse fault;20—unknown fault;21—speculative fault;22—unconformity boundary;23—geological boundary

The parameters of soil geochemistry of the Liangjiayu district

The explanation variation coefficients of the Liangjiayu district

参数	Au	Cu	Zn	Mo	Sb	W	Pb	Bi	As	Hg	Sn	Ag
lg $x ? g$	0.40	1.54	1.86	-0.18	-0.38	0.15	1.34	-0.79	0.76	1.43	0.31	-1.11
δ	0.37	1.18	1.32	-0.68	-0.67	0.05	0.75	-1.09	0.44	1.32	-0.31	-1.84
C_a	4	50	100	1.2	0.6	2	30	0.3	10	40	3	0.1

Calculation results of abnormal lower limit of each element in geochemical soil measurement in Liangjiayu survey area

Screening of the main ore-forming elemental geochemical anomalies in the Liangjiayu area

Au anomaly characteristics in the Liangjiayu area

W anomaly characteristics in the Liangjiayu area

The elemets correlation coefficients on soil geochemical in the Liangjiayu district

The R-type clustering of soil geochemistry of the Liangjiayu district

The comprehensive anomaly distribution of the Liangjiayu area
1—alluvial clay, sub-sand of Quaternary;2—metamorphic adamellite of Panzhuang formation;3—biotite plagioclase granulite of Sanmendian formation;4—amphibolite and granulitite of Wanzhangzi formation;5—measured geological boundary;6—inference geologic boundary;7—synthetic anomaly range

The map Z1 of comprehensive anomaly element horizontal zoning
1—alluvial clay, sub-sand of Quaternary;2—metamorphic adamellite of Panzhuang formation;3—biotite plagioclase granulite of Sanmendian formation;4—amphibolite and granulitite of Wanzhangzi formation;5—measured geological boundary;6—inference geologic boundary;7—synthetic anomaly belt;8—W, Mo, Bi anomaly belt;9—Au, Cu, Pb, As, W anomaly belt;10—As、Sb、Hg、Cu、Pb anomaly belt;11—the location and number of borehole

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