贵州册亨县板年金矿多层次滑脱构造控矿及找矿预测

doi:10.11872/j.issn.1005-2518.2020.06.044

Abstract

Abstract:

The Bannian gold deposit is located in the southern part of the Laizishan orefield in the north of the Nanpanjiang-Youjiang metallogenic belt，and the gold deposit is controlled by the SN direction Laizishan anticline and the NE，NW fault in the mining area.According to the geological survey and geochemical analysis，the slip structure between the thick carbonate and thin clastic rocks is developed，the lower carbonate deformation is weak，and the upper clastic rocks are crushed and deformed strongly，forming an uncoordinated secondary folding faults are conducive to fluid migration and migration.Alteration and mineralization in the detachment structure zone and the fault are obvious.The detachment structure zone is the main channel of ore-forming fluid migration and the location of gold orebodies.The structural alteration bodies（SBT） formed by the metamorphic fluids in the Luolou Formation，Manchu/Wujiaping Formation，or reef limestone，Xinyuan Formation/Anshun Formation，are the main alterations in the area.Gold mineralization is the main target layer for prospecting in the area.Through comprehensive analysis，we conclude that the intersection of deep F₁，F₂ faults in Dagou-Ceyang area and the superposition of deep F₆ faults and anticlines in Banna-Fengbao area are the best ore prospecting sites.The coupling part of the secondary anticline and F₂₂ faults in the north west wing of the Laizishan anticline in Beiyinpo-Shibanjing area has certain prospecting potential.

Key words: prospecting prediction, multi-level slippage structure, SBT, Bannian gold deposit, Ceheng County, Guizhou Province

CLC Number:

P618.51

Fa’en CHEN,Jianzhong LIU,Dafu WANG,Zepeng WANG,Chengfu YANG,Junhai LI,Liangyi XU,Weifang SONG. Ore-controlling and Prospecting Prediction of Multi-level Slippage Structure in Bannian Gold Deposit， Ceheng County， Guizhou Province[J].Gold Science and Technology, 2020, 28(6): 800-811.

Figures/Tables 10

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样品编号	SiO₂	Al₂O₃	Fe₂O₃	TiO₂	K₂O	Na₂O	CaO	P₂O₅	MnO₂	LOSS	FeO	有机碳	Au	TS
LFDGH1	24.87	7.39	2.91	1.11	2.18	0.031	31.73	0.22	0.074	24.08	0.44	1.90	8.61	2.43
LFDGH2	25.86	7.38	1.48	1.38	2.25	0.037	27.42	0.17	0.087	24.98	2.70	1.55	0.59	1.34
LFDGH3	42.16	13.76	10.87	2.40	3.86	0.046	7.72	0.41	0.115	9.52	1.01	0.74	0.94	2.05
LFDGH4	82.92	8.88	1.92	0.55	0.82	0.048	0.46	0.14	0.018	3.71	0.28	0.07	0.46	0.27
LFDGH5	73.95	9.76	6.21	0.64	2.14	0.095	0.37	0.16	0.023	4.29	0.45	0.24	0.68	0.23
LFDGH6	66.09	8.91	4.62	0.38	0.71	0.043	8.96	0.20	0.040	9.59	0.20	0.03	0.92	0.07

Ore-controlling and Prospecting Prediction of Multi-level Slippage Structure in Bannian Gold Deposit， Ceheng County， Guizhou Province

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