新疆巴里坤望洋台一带1∶5万水系沉积物测量异常特征及找矿靶区优选

doi:10.11720/wtyht.2019.0216

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Abstract

The Late Palaeozoic volcanic rocks are well developed in Wangyangtai area of Balekkun, Xinjiang. NW- and NWW-trending tectonic fracture zones are extensively developed, and the mineralization and alteration of malachite and silicification are strong. In order to further guide the copper ore prospecting work in the area, the authors identified 16 single element anomalies such as Au, Ag, and Cu through the comprehensive processing of data obtained from the collection and test of samples from 1∶50,000 stream sediments in this area. According to the geochemical characteristics of various elements, the correlation of elements and the associated combination relationship in the evaluation area, the authors divided the elements into five types, i.e., chacophile-siderophile elements, low-temperature elements, sulfophile elements, high field strength elements and gold elements. According to the combination of abnormal elements and in combination with the geological background of metallogenesis, 14 comprehensive anomalies were identified, classified and ranked on the basis of the magnitude of their prospecting significance, and the important comprehensive anomalies with greater prospecting significance were evaluated and verified. Based on the results of anomaly verification, the rule of abnormal distribution and the geological background of mineralization, the HS-5 comprehensive anomaly was selected as the best copper prospecting target area, which provides an important basis for the geological prospecting work in the area in the future.

Key words： stream sediment survey anomaly characteristics target area of prospecting copper and gold deposit Xinjiang

Received: 15 April 2019 Published: 28 November 2019

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Corresponding Authors: Yong LIAO E-mail: 24229557@qq.com

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	Kai LI
	Yong LIAO
	Ning HUANG
	Hong-Sheng CHEN
	Jing YUAN
	Xiao-Long LIU

Cite this article:

Kai LI,Yong LIAO,Ning HUANG, et al. Anomaly characteristics of 1∶50,000 stream sediment survey in Wangyangtai area of Balikun, Xinjiang, and the optimization of target areas[J]. Geophysical and Geochemical Exploration, 2019, 43(6): 1236-1245.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2019.0216 OR https://www.wutanyuhuatan.com/EN/Y2019/V43/I6/1236

Geochemical data of 1:50,000 stream sediment survey in the evaluation area

地层	参数	Au	Ag	As	Sb	Ni	Co	Cr	Cu	Pb	Zn	Hg	U	Mo	W	Bi	Sn
N₁t	C_v	0.12	0.14	0.22	0.14	0.24	0.22	0.11	0.22	0.24	0.12	0.15	0.19	0.16	0.17	0.34	0.11
	D	1.13	0.94	0.96	0.92	0.98	0.92	0.97	1.17	1.00	1.03	0.91	1.14	0.96	0.90	1.25	1.02
	K	1.45	0.91	0.52	1.01	1.18	0.61	0.53	2.92	1.83	0.81	0.82	2.62	1.31	0.64	0.84	1.35
P₂k³	C_v	0.28	0.12	0.65	0.26	0.62	0.15	0.27	0.26	0.26	0.14	0.13	0.35	0.17	0.21	0.37	0.10
	D	1.34	1.15	0.77	0.92	0.72	1.13	1.01	1.02	0.91	1.04	0.97	0.92	0.96	1.05	0.81	1.09
	K	1.72	1.10	0.41	1.01	0.86	0.75	0.56	2.53	1.67	0.82	0.87	2.12	1.31	0.74	0.54	1.44
P₂k²	C_v	0.62	0.62	0.27	0.14	0.24	0.15	0.17	0.16	0.55	0.16	0.16	0.16	0.62	0.28	0.51	0.10
	D	1.13	1.11	0.83	0.97	0.76	1.01	1.00	0.97	1.00	1.09	1.02	0.97	0.98	0.91	0.95	1.06
	K	1.45	1.07	0.44	1.06	0.92	0.67	0.55	2.41	1.83	0.86	0.92	2.25	1.34	0.64	0.64	1.40
P₂k¹	C_v	0.21	1.11	0.20	0.15	0.19	0.29	0.19	0.16	0.90	0.13	0.12	0.14	0.14	0.45	0.50	0.10
	D	1.13	1.02	0.99	1.06	0.95	1.00	1.03	1.01	1.00	1.02	0.98	1.09	1.10	0.87	1.04	1.04
	K	1.46	0.98	0.53	1.16	1.14	0.66	0.56	2.51	1.83	0.81	0.89	2.52	1.51	0.62	0.69	1.37
C₂b⁴	C_v	0.24	0.08	0.30	0.15	0.29	0.29	0.12	0.20	0.32	0.10	0.11	0.26	0.12	0.15	0.34	0.07
	D	1.53	1.18	1.22	1.15	1.22	1.10	1.10	0.94	0.91	1.08	1.02	1.03	0.94	1.02	0.81	1.05
	K	1.97	1.14	0.65	1.27	1.47	0.72	0.60	2.35	1.67	0.85	0.91	2.38	1.29	0.72	0.54	1.39
C₂b¹	C_v	0.11	0.09	0.22	0.11	0.15	0.12	0.13	0.15	0.19	0.13	0.13	0.12	0.11	0.18	2.11	0.09
	D	0.93	0.91	1.11	0.96	1.19	1.01	1.09	0.98	1.09	0.97	1.01	0.84	0.98	1.12	1.21	0.91
	K	1.20	0.88	0.60	1.06	1.43	0.67	0.60	2.45	2.00	0.77	0.91	1.93	1.34	0.79	0.81	1.20
C₁j¹	C_v	0.14	0.09	0.16	0.09	0.12	0.13	0.12	0.15	0.50	0.12	0.11	0.09	0.12	0.24	0.31	0.08
	D	1.44	1.11	1.07	1.17	1.04	1.03	1.01	1.47	1.18	0.98	0.98	1.39	1.10	1.19	0.98	1.09
	K	1.86	1.06	0.58	1.29	1.25	0.68	0.56	3.65	2.17	0.78	0.89	3.21	1.51	0.84	0.66	1.44
D₃C₁j³	C_v	0.68	0.27	1.04	0.17	0.98	0.20	0.12	0.18	0.51	0.11	0.16	0.21	0.17	0.18	0.60	0.09
	D	0.95	0.95	1.19	1.03	1.13	0.99	1.00	1.09	1.00	0.96	1.00	1.15	1.06	1.03	1.02	1.00
	K	1.23	0.91	0.64	1.13	1.36	0.66	0.55	2.71	1.83	0.76	0.90	2.64	1.46	0.73	0.68	1.31
D₃C₁j²	C_v	0.19	0.24	0.22	0.12	0.15	0.11	0.11	0.22	0.30	0.12	0.12	0.17	0.23	0.44	0.40	0.08
	D	0.93	1.00	1.13	1.01	1.03	1.01	0.97	1.06	1.00	0.98	1.02	1.00	1.13	0.97	1.11	0.95
	K	1.20	0.96	0.60	1.11	1.24	0.67	0.53	2.63	1.83	0.78	0.91	2.30	1.54	0.68	0.74	1.26
D₃C₁j¹	C_v	0.09	0.65	0.23	0.09	0.16	0.11	0.13	0.12	0.77	0.11	0.12	0.09	0.29	0.18	0.24	0.07
	D	0.95	1.01	1.14	1.02	1.04	1.00	0.97	0.99	1.00	1.00	1.05	0.98	1.27	0.97	1.19	0.96
	K	1.22	0.97	0.61	1.12	1.25	0.66	0.53	2.47	1.83	0.79	0.94	2.25	1.74	0.69	0.80	0.96
D₃k²	C_v	0.14	0.16	0.74	0.16	0.48	0.20	0.11	0.15	1.13	0.09	0.13	0.67	0.23	0.33	1.21	0.20
	D	0.77	0.88	1.02	0.93	1.05	0.91	0.99	0.93	0.91	0.96	0.98	1.00	1.04	0.96	0.93	0.95
	K	0.99	0.84	0.55	1.02	1.26	0.60	0.54	2.31	1.67	0.76	0.89	2.30	1.43	0.68	0.62	1.25
D₃k¹	C_v	0.11	0.20	0.25	0.14	0.19	0.17	0.14	0.20	0.36	0.09	0.12	0.17	0.20	0.11	0.69	0.08
	D	0.75	0.87	0.95	0.95	1.02	0.98	0.94	0.92	0.91	0.98	1.00	0.90	0.85	0.98	0.75	1.02
	K	0.96	0.84	0.51	1.05	1.23	0.65	0.52	2.29	1.67	0.77	0.90	2.07	1.17	0.69	0.51	1.35
D₂w²	C_v	0.10	0.13	0.22	0.13	0.20	0.13	0.09	0.13	0.32	0.10	0.16	0.12	0.11	0.36	2.43	0.11
	D	0.75	0.89	0.87	0.91	0.97	0.97	1.04	1.02	1.00	0.99	1.01	0.89	0.94	1.15	0.95	0.99
	K	0.96	0.85	0.47	1.00	1.16	0.64	0.57	2.53	1.83	0.78	0.91	2.06	1.29	0.81	0.64	1.30
D₂w¹	C_v	0.12	0.08	0.17	0.10	1.98	0.13	0.10	0.24	0.55	0.10	0.14	0.55	0.20	0.19	0.62	0.10
	D	0.78	0.88	0.93	0.94	1.07	1.03	0.99	0.99	0.91	0.96	0.97	0.88	0.90	1.09	0.93	1.00
	K	1.00	0.84	0.50	1.03	1.29	0.68	0.54	2.47	1.67	0.76	0.87	2.04	1.23	0.77	0.62	1.31
D₁z	C_v	0.10	0.11	0.17	0.10	0.28	0.14	0.14	0.13	0.49	0.07	0.12	0.06	0.32	0.15	0.36	0.11
	D	0.74	0.88	0.94	1.01	1.08	1.08	1.01	0.96	1.00	1.04	1.06	0.81	0.79	1.01	0.86	0.99
	K	0.95	0.84	0.50	1.11	1.30	0.72	0.56	2.39	1.83	0.82	0.95	1.87	1.09	0.71	0.58	1.30

Statistics on the characteristic parameters of the elements in the evaluation area

Abnormalities distribution of major single element in the evaluation area

R-type cluster analysis pedigree of 1:50,000 stream system survey in the evaluation area

Geochemical anomaly distribution of 1:50,000 stream sediment survey in the evaluation area
1—Quaternary flood deposits;2—Quaternary XinJiang groups;3—Taxihe formation;4—upper member of Badaowan formation;5—Pingdiquan formation;6—the third member of Kalagang formation;7—the second member of Kalagang formation;8—the first member of Kalagang formation;9—the fourth member of Batamayineishan formation;10—the third member of Batamayineishan formation;11—the second member of Batamayineishan formation;12—the first member of Batamayineishan formation;13—the first member of Jiangbasitao formation;14—the third member of Jiangzikuerduke formation;15—the second member of Jiangzikuerduke formation;16—the first member of Jiangzikuerduke formation;17—the second member of Kaxiwen formation;18—the first member of Kaxiwen formation;19—the second member of Wulusubasitao formation;20—the first member of Wulusubasitao formation;21—Zhuomubasitao formation;22—quartz diorite;23—adamellite;24—diorite dyke;25—granite diorite dikes;26—granite porphyry vein;27—Yingan spotted vein;28—rock formation integration geological boundary;29—angular unconformity geological boundary;30—normal fault with the occurrence;31—thrust fruit with the occurrence;32—unidentified fault;33—fault motion direction;34—sample culling area;35—composite anomaly and numbering

Geochemical comprehensive anomaly evaluation results of 1:50,000 stream sediment survey in the evaluation area

The profile of HS-5 comprehensive anomaly
1—Taxihe formation;2—upper member of Badaowan formation;3—Pingdiquan formation;4—the third member of Kalagang formation;5—the second member of Kalagang formation;6—the fourth member of Batamayineishan formation;7—the third member of Batamayineishan formation;8—the second member of Jiangzikuerduke formation;9—the first member of Jiangzikuerduke formation;10—rock formation integration geological boundary;11—angular unconformity geological boundary;12—fault;13—copper mineralization point;14—silicification;15—limonitization;16—peacock petrochemical;17—chloritization;18—epidotization; 19—composite anomaly

Comprehensive analysis of 1:10,000 geological, magnetic and rock geochemistry of HS-5 anomalous DH7 profile
1—crystal tuff with gravel;2—andesite;3—crystal tuff with breccia;4—lava tuff breccia with breccia;5—tuffaceous sandstone;6—limonitization; 7—chloritization;8—epidotization;9—silicification;10—inversion of magnets

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