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1 47 摇 2 摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇 GEOLOGY AND EXPLORATION Vol. 47 摇 No. 2 March,2011 1,2, 1, 1, 摇 1, 1 (1. ( ), 摇 ;2., 摇 ) [ 摇 ] - - S Pb,,, 移 REE 5 郾 19 伊 10-6 ~ 9 郾 0 伊 10-6, 移 LREE / 移 HREE ( La / Yb) N 4 郾 12 ~ 11 郾 25 9 郾 56 ~ 17 郾 65,, S Pb, S Pb, 208 Pb / 204 Pb 207 Pb / 204 Pb 206 Pb / 204 Pb 38 郾 256 ~ 39 郾 0394,15 郾 457 ~ 15 郾郾 380 ~ 18 郾 673, S Pb,,,, [ ] 摇摇摇 [ ]P618 摇摇摇 [ ]A 摇摇摇 [ ] (2011) Xiao Xiao-niu, Yu Xue-hui, Mo Xuan-xue, Li Yong, Huang Xing-kai. Geochemical character 鄄 istics of metallogenesis in the gold-polymetallic deposit in Beiya, western Yunnan Province[J]. Geolo 鄄 gy and Exploration, 2011, 47(2): 摇, - - -,,,,,, 80,, - -,, (,1989;,1991;,1993;, 2001;,2003),,,,, S Pb,,, 170 [ ] ;[ ] ;[ ] [ ] :2009CB42100 ( : , ) [ ] (1980 -),,2009 ( ),,, xiaoniu1980@ yahoo. com. cn

2 2 摇摇摇摇摇摇摇摇摇摇摇摇摇 : 摇摇摇摇摇摇摇摇摇摇摇摇摇摇 1 摇,, - NNE ( ) ( ) (, 1),,,, NNE EW, EW - -,,, Au,,Au,,,, -,,,,,,,,,, ( ), 2 摇, (, 2009),,,, 56% ~ 60%, 1 ~ 3mm, 20% ~ 30% -, 1 ~ 5mm,,, -,,, (2009) (2007) (2007), 25 ~ 33Ma,,, : 40 ~ 60, ( 500 益 ), Finnigan MAT ICP-MS ELEMENT, 1 1, 移 REE, 5 郾 19 ~ 9 郾 0 伊 10-6, 移 LREE / 移 HREE ( La / Yb) N 4 郾 12 ~ 11 郾 25 9 郾 56 ~ 17 郾 65, ( 2) 啄 Eu 0 郾 45 ~ 0 郾 70,, Gd, (,2002) Wood(1979) 3 3,, LILE( ) HFSE( ), LILE,,, REE, REE (,2002;,2004; 171

3 摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇 (, ) Fig. 1 摇 Geological map of the Beiya gold-polymetallic deposit (after Geological Brigade No. 3 of Yunnan Province) 1- ;2- ;3- ;4- ;5- ;6- ;7- ;8- ;9- ;10-1-mineral point and alkali-rich porphyries; 2-fault; 3-Quaternary slope, alluvium; 4-Tertiary conglomerate, sandstone, clay; 5-Upper Trias 鄄 sic feldspar quartz sandstone; 6-Middle Triassic limestone, dolomitic limestone; 7-Late Triassic limestone contains shale; 8-Permian basalt;9- Fold; 10-stratigraphic boundary 172

2 摇摇摇摇摇摇摇摇摇摇摇摇摇 : 摇摇摇摇摇摇摇摇摇摇摇摇摇摇 Table 1 摇 1 摇 ( 伊 10-6 ) REE and trace elements ( 伊 10-6 ) of fluid inclusions in quartz from the Beiya gold,copper-polymetallic deposit Rb Ba Th U Ta Nb WDS-1 QAP 19

4 2 摇摇摇摇摇摇摇摇摇摇摇摇摇 : 摇摇摇摇摇摇摇摇摇摇摇摇摇摇 Table 1 摇 1 摇 ( 伊 10-6 ) REE and trace elements ( 伊 10-6 ) of fluid inclusions in quartz from the Beiya gold,copper-polymetallic deposit Rb Ba Th U Ta Nb WDS-1 QAP 19 郾郾 05 0 郾 51 0 郾 01 0 郾 06 WDS-2 QAP 2 郾郾 37 0 郾 27 0 郾 48 0 郾 14 Pr Sm Eu Gd Tb Dy WDS-1 QAP 0 郾 46 0 郾 42 0 郾 09 0 郾 33 0 郾 04 0 郾 16 WDS-2 QAP 0 郾 30 0 郾 21 0 郾 06 0 郾 66 0 郾 02 0 郾 13 La Ce Nd Hf Zr Y WDS-1 QAP 1 郾 60 3 郾 63 2 郾 08 0 郾 05 1 郾 12 0 郾 79 WDS-2 QAP 1 郾 29 1 郾 33 0 郾 99 0 郾 03 0 郾 09 0 郾 49 Ho Er Tm Yb Lu 啄 Eu WDS-1 QAP 0 郾 03 0 郾 08 0 郾 02 0 郾 06 0 郾 01 0 郾 70 WDS-2 QAP 0 郾 02 0 郾 07 0 郾 01 0 郾 09 0 郾 01 0 郾 45 摇摇 :,2005;,2005) 2,,,,, / (,2007) 3 摇 (Wood(1979) ) Fig. 3 摇 Patterns of trace elements distribution patterns of fluid inclusions from the Beiya gold-polymetallic de 鄄 posit using normalized original mantle data( base map from Wood,1979) 2 摇 REE (Boynton(1984) ) Fig. 2 摇 Chondrite-normalized REE pattern of fluid in 鄄 clusions from the Beiya gold-polymetallic deposit( base map from Boynton,1984) 3 摇 S Pb 3. 1 摇 ( ), 啄 34 S -2 郾 4 译 ~ 4 郾 5 译, 1 郾 18 译, 6 郾 9 译,,, ( 4), 173

5 摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇 2011 ( ) 啄 34 S (0 译 ), (,2002),, 4 摇 Fig. 4 摇 Histogram for frequency distribution of sulfur iso 鄄 topic composition from various deposits in the Beiya area 1- ;2- ;3-1-pyrite; 2-galena; 3-chalcopyite (,1991;,1993;,1999;,2000), 啄 34 S 0 郾 1 译 ~ 3 郾 7 译 1 郾 1 译 ~ 3 郾 7 译, 啄 34 S, 1 郾 0 译 ~ 2 郾 5 译,, 2 啄 34 S 啄 34 S,,,,, 3. 2 摇 Pb 3, 208 Pb / 204 Pb 207 Pb / 204 Pb 206 Pb / 204 Pb 38 郾 256 ~ 39 郾 0394, 15 郾 457 ~ 15 郾郾 380 ~ 18 郾 673, 38 郾 796, 15 郾郾 587 Pb, Pb, 207 Pb / 204 Pb Pb / 204 Pb ( 5a), Pb,, 208 Pb / 204 Pb- 206 Pb / 204 Pb ( 5b),Pb,,,, 5a b Pb, 207 Pb / 204 Pb 206 Pb / 204 Pb 208 Pb / 204 Pb 206 Pb / 204 Pb, Pb, Table 2 摇 2 摇 Sulfur isotopic composition of ores from Beiya gold,copper-polymetallic deposit 啄 34 S V-CDT 译啄 34 S V-CDT 译 1 WDS-1 2 郾 7 11 WS2 4 郾 5 2 WDS-5 2 郾 2 12 WS1 0 郾 49 3 WDS-5 1 郾 4 13 WS4-1 郾 58 4 WDS-10 3 郾 6 14 WS3 1 郾 2 5 MTW hs1 0 郾 56 6 ZK3-1 2 郾 5 16 bs2-1 郾 4 7 ZK3-2 1 郾 0 17 hs2 0 郾 6 8 ZK3-3 1 郾 2 18 gc1-2 郾 4 9 WD 郾 2 19 WD 郾 5 10 WD 郾 6 20 WD 郾 8 摇摇 :1-8,11-18 (1999),9-10,19-20 (2007) 174

6 2 摇摇摇摇摇摇摇摇摇摇摇摇摇 : 摇摇摇摇摇摇摇摇摇摇摇摇摇摇 Table 3 摇 3 摇 Lead isotopic composition of ores from the Beiya gold,copper-polymetallic deposit 208 Pb / 204 Pb 207 Pb / 204 Pb 206 Pb / 204 Pb 1 WDS-1 39 郾 0101 依 0 郾郾 6816 依 0 郾郾 6722 依 0 郾 WDS-5 39 郾 0177 依 0 郾郾 6834 依 0 郾郾 6689 依 0 郾 WDS-5 39 郾 0169 依 0 郾郾 6808 依 0 郾郾 6633 依 0 郾 ZK 郾 9603 依 0 郾郾 6689 依 0 郾郾 6277 依 0 郾 ZK 郾 0394 依 0 郾郾 6797 依 0 郾郾 6677 依 0 郾 ZK 郾 0327 依 0 郾郾 6816 依 0 郾郾 6668 依 0 郾 ZK3-3(1) 39 郾 0327 依 0 郾郾 6819 依 0 郾郾 6675 依 0 郾 WDS 郾 0106 依 0 郾郾 6796 依 0 郾郾 6620 依 0 郾 WD 郾 743 依 0 郾郾 603 依 0 郾郾 564 依 0 郾 WD 郾 604 依 0 郾郾 553 依 0 郾郾 481 依 0 郾 WD 郾 781 依 0 郾郾 612 依 0 郾郾 571 依 0 郾 WD 郾 755 依 0 郾郾 596 依 0 郾郾 558 依 0 郾 WD 郾 591 依 0 郾郾 545 依 0 郾郾 501 依 0 郾 WD 郾 555 依 0 郾郾 532 依 0 郾郾 496 依 0 郾 WD 郾 605 依 0 郾郾 540 依 0 郾郾 493 依 0 郾 WD 郾 256 依 0 郾郾 654 依 0 郾郾 673 依 0 郾 WD 郾 973 依 0 郾郾 666 依 0 郾郾 655 依 0 郾 WD 郾 819 依 0 郾郾 615 依 0 郾郾 585 依 0 郾 WD 郾 743 依 0 郾郾 491 依 0 郾郾 567 依 0 郾 WD 郾 831 依 0 郾郾 597 依 0 郾郾 591 依 0 郾 WD 郾 720 依 0 郾郾 614 依 0 郾郾 575 依 0 郾 WD 郾 700 依 0 郾郾 620 依 0 郾郾 535 依 0 郾 WD 郾 675 依 0 郾郾 579 依 0 郾郾 546 依 0 郾 WD 郾 824 依 0 郾郾 626 依 0 郾郾 569 依 0 郾 HN 郾 930 依 0 郾郾 664 依 0 郾郾 644 依 0 郾 HN 郾 748 依 0 郾郾 606 依 0 郾郾 555 依 0 郾 HN 郾 811 依 0 郾郾 601 依 0 郾郾 553 依 0 郾 HN 郾 904 依 0 郾郾 651 依 0 郾郾 628 依 0 郾 HN 郾 732 依 0 郾郾 586 依 0 郾郾 538 依 0 郾 HN 郾 673 依 0 郾郾 560 依 0 郾郾 513 依 0 郾 HN 郾 766 依 0 郾郾 611 依 0 郾郾 587 依 0 郾 HN 郾 909 依 0 郾郾 648 依 0 郾郾 627 依 0 郾 HN 郾 830 依 0 郾郾 630 依 0 郾郾 614 依 0 郾 HN 郾 422 依 0 郾郾 457 依 0 郾郾 380 依 0 郾 HN 郾 718 依 0 郾郾 575 依 0 郾郾 562 依 0 郾 HN 郾 904 依 0 郾郾 653 依 0 郾郾 626 依 0 郾 HN 郾 624 依 0 郾郾 553 依 0 郾郾 514 依 0 郾 HN 郾 815 依 0 郾郾 703 依 0 郾郾 665 依 0 郾 HN 郾 942 依 0 郾郾 663 依 0 郾郾 634 依 0 郾 0008 摇摇 *1-7, ;8-39 (2005) 175

7 摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇 2011 (,2000,, 2007), ( 5a b),, (1991) (1999) (2005),, Pb 2, /, 6a b (, ) Pb 6a b, Pb,, Pb 4 摇,,,,,, (,2000,,2005;,2006),,?,,, (2002) Au, 摇 ( (2009) Fig. 5 Projection diagram showing Pb isotope com 鄄 position of various deposits from Beiya gold - poly 鄄 metallic deposit ( data for boundary of alkalirich porphyries after Xiao et al 郾,2009) A- ;B- ;C- ; D- ; 吟 - ; 阴 - ; 伊 - A-mantle; B-orogenic belt; C-upper crust; D-lower crust; 吟 -Wandongshan; 阴 -Chenjiazhuang; 伊 -Hongnitang,,, ; (2007) (2005),,, ( Rombach C S, et

8 2 摇摇摇摇摇摇摇摇摇摇摇摇摇 : 摇摇摇摇摇摇摇摇摇摇摇摇摇摇, Pb,,,, S Pb,,,,,,, 5 摇 6 摇 Pb ( (2005) Fig. 6 摇 Relationship between Pb isotope composition from ores and altered limestone and porphyries (boundary after Wu et al 郾,2005) al., 2001;, 2002; Tarkian M, et al., 2003;Heinrich C. 2005;,2006,, 2007),, ( 啄 34 S - 2 郾 4 译 ~ 4 郾 5 译 ), 1 郾 18 译, 啄 34 S, 208 Pb / 204 Pb 207 Pb / 204 Pb 206 Pb / 204 Pb 38 郾 256 ~ 39 郾 0394,15 郾 457 ~ 15 郾郾 380 ~ 18 郾 673,, Pb, (1),,, ; (2) S Pb, S ( 啄 34 S) -2 郾 4 译 ~ 4 郾 5 译, 啄 34 S, ( ) 啄 34 S (0 译 ) 208 Pb / 204 Pb 207 Pb / 204 Pb 206 Pb / 204 Pb 38 郾 256 ~ 39 郾 0394,15 郾 457 ~ 15 郾郾 380 ~ 18 郾 673, Pb, Pb,, ; (3),,,,, [ References] Cai Xin-ping, Liu Bing- guang and Ji Chen - yun Preliminary study on characteristics and genesis of Au deposit in Beiya area, 177

9 摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇摇 2011 western Yunnan province[ J]. Au Science and Technology, 7: Cai Xin-ping Characteristics, genesis and prospecting of Beiya gold deposit, western Yunnan. Geology and Geochemistry of gold deposits in China [ J]. Beijing: Science Press: ( in Chi 鄄 nese) Gao Jian-guo, Xia Ji-shen, Chen Chang-yong Geochemical fea 鄄 tures of akkali-rich porphyry and analysis of Au (polymetallic) de 鄄 posits in western Yunnan [ J]. Geotectonica et Metallogenia, 24 ( supp. ): 44-50( in Chinese with English abstract) Ge Liang-sheng, Guo Xiao-dong, Zou Yi-ling, Li Zhen-hua, Zhang Xiao- hui Geological characteristics and genesis of Beiya gold deposit, Yunnan province [ J]. Contributions to Geology and Mineral research, 17(1):32-46( in Chinese with English abstract) Heinrich C The physical and chemical evolution of low- salinity magmatic fluids at the porphyry to epithermal transition: a thermody 鄄 namic study[ J]. Mineral Deposits,39: Li Jing-hong, Li Ru-liang, Shao Wei-nian Geological charac 鄄 teristics of gold deposits in Beiya, Heqing county, Yunnan Prov 鄄 ince, and their mineralization mechanism[ J]. Geology and Mineral Resources in Southwest China, 5(2): Lv Bo-xi, Duan Jian-zhong, Pan Chang-yun The granitoids in the Sanjiang region and their metallogenesis[ M]. Beijing: Geolog 鄄 ical Publishing House:1-328( in Chinese) Liu Bing-guang, Lu De-fu, Cai Xin-ping Study on gold deposit in western Yunnan and Sichuan province [ M ]. Beijing: Ocean Press:1-241( in Chinese) Li Xin-jun and Liu Wei Fluid inclusion and stable istope con 鄄 straints on the genesis of Mazhuangshan gold deposit eastern Tians 鄄 han Mountain of China[ J]. Acta petrologica Sinica,18(4): ( in Chinese with English abstract) Li Xiao- feng, MAO Jing - wen, Zhu He - ping and Wang Rui - ting Characteristics of rare earth elements in fluids inclusion of the Heijintaizi gold deposit, Daduhe areas, Sichuan province [ J]. Acta petrologica et mineralogical, 24 ( 4 ): ( in Chinese with English abstract) Lian Jian-guo, Shi Wei-quan, Men Shu-ning, Liu Li Fluid in 鄄 clusions in the Dazhuangzi gold deposit in Pingdu county, Shandong [J]. Geology and prospecting, 41 (1 ):28-32 ( in Chinese with English abstract) Ma De-yun, Han RUN-sheng Study on the features of tectono 鄄 geochemistry of Beiya gold deposit and enclosing metallogic targets [J]. Geology and prospecting, 37 (2 ):64-68 ( in Chinese with English abstract) Rui Zong-yao, Zhang Hong-tao, Chen Ren-yi,Wang Zhiliang, Wang Long-sheng An approach to some problems of porphyry cop 鄄 per deposits[j]. Mineral Deposits, 25 (4): ( in Chinese with English abstract) Rombach C S, Newberry R J Shotgun deposit: granite porphyryhosted gold - arsenic mineralization in southwestern [ J]. Alaska, USA. Mineral Depos,36: Tarkian M, Hunken H, Tokmakchieva M Precious-metal distri 鄄 178 bution and fluid - inclusion petrography of Elatsite porphyry copper deposit[ J]. Bulgaria. Mineral Depos, 38: Wang Li-juan, Wang Jing-bing, Wang Yu-wang Study on oreforming fluid in Caijiaying lead-zinc-silver deposit, Hebei province [J]. Mineral deposits, 21 ( suppl. ): 1037 ~ ( in Chinese with English abstract) Wang Shu- lai, Wang Jing - bin, Peng Sheng - ling, Guo Zheng - lin, Chou Yin - jiang REE geochemistry of ore fluids in the Kokatag lead - zinc deposit, Xinjiang [ J]. Geology in China, 31 (3): ( in Chinese with English abstract) Wu Kai-xing, Hu Rui-zhong, Bi Xian-wu, Peng Jian-tang, Su Wenchao, Chen Long Study of the fluid inclusions in altered por 鄄 phyries in the Beiya gold deposit, western Yunnan[ J]. J Mineral Petrol, 25(2):20-26( in Chinese with English abstract) Xiao Qing-hua, Hui Wei- dong Study on the metallogenesis of the magmatic ore-forming fluids[ J]. Nonferrous Metal in Xinjiang Province, 4: Xu Shou-min Metallogenic modeling of the Beiya gold deposit in western Yunnan and its relation to the Cenozoic alkali-rich porphy 鄄 ries[ M]. China University of Geoscience, 1-96 Xu Xingwang, CAI Xinping, ZHANG Baolin, LIANG GuangHe, DU ShiJun and WANG Jie, 2007, Genetic types and framework model of Beiya gold ore district in Western Yunnan[ J], Mineral Deposits, 26(3): ( in Chinese with English abstract) Xiao Xiao-niu, Yu Xue-hui, Mo Xuanxue, Huang Xing-kai, Li-yong A study of fluid inclusions from Beiya gold-polymetallic de 鄄 posit in Western Yunnan[ J]. Earth Science Frontiers, 16(2): ( in Chinese with English abstract) Yan Jian-guo, Cui Yin-liang, Chen Xian - sheng Metallogenic prognosis and target optimum at Beiya gold deposit in Yunnan prov 鄄 ince, China[J]. Geology and prospecting, 39(1):10-13( in Chi 鄄 nese with English abstract) Zhao Xiao-ou Ore-bearing property study of oxidation zone of the Beiya lead deposit, Yunnan[ J]. Geology and prospecting, 25(6):1-8( in Chinese with English abstract) [ ],, [J].,7: [ M]. [M] : ,, ( ) [J]., 24( ):44-50,,,, [J].,17(1):32-46,, [J]., 5(2):50-55,, [M]. : :1-328,, [ M]. : : 1-241, 摇

10 2 摇摇摇摇摇摇摇摇摇摇摇摇摇 : 摇摇摇摇摇摇摇摇摇摇摇摇摇摇 [ J]., 18(4): ,,, [ J].,24(4): ,,, 摇 [J].,41(1):28-32, [J].,37(2):64-68,,,, [J]., 25(4): ,, [J].,21( ): ,,,, [J].,31(3): ,,,,, 摇 [J].,25(2):20-26, [ J]., 4: [D]. : ( ):1-96,,,,, 摇,2007, [J].,26(3): ,,,, 摇 [J].,16(2): ,, [J].,39(1): [ J]., 25(6):1-8 Geochemical Characteristics of Metallogenesis in the Gold-Polymetallic Deposit in Beiya, Western Yunnan Province XIAO Xiao-niu 1,2, YU Xue-hui 2, MO Xuan-xue 2, HUANG Xing-kai 2, LI Yong 2 (1. East China Mineral Exploration and Development Bureau for Non-ferrous, Nanjing,Jiangsu 摇 ; 2. State key laboratory of Geological process and Mineral Resource and Key laboratory of Lithosphere Tectonics and Lithoprobing Technology of Ministry of Education, China University of Geosciences, Beijing 摇 ) Abstract:The Beiya gold-polymetallic deposit is one of the typical deposits related to Cenozoic alkali-rich porphyry along the Jingsha River-Ailaos 鄄 han-red river fault system in western Yunnan Province. This presents measurements on the trace elements of fluid inclusions and S-Pb isotopes of ores, and discusses the characteristics of ore-forming fluids and the material sources of ore formation. The results show that the total REE abundance is relative 鄄 ly low, with a range from 5 郾 19 to 9 郾 0 伊 10-6, whilst LREE / HREE and ( La / Yb) N reflecting fraction between LREE and HREE vary from 4 郾 121 to 11 郾 249 and from 9 郾 563 to 17 郾 651, respectively. The distribution patterns of REE display a LREE-enriched trend, which is roughly consistent with that of alkali-rich porphyries. The 啄 34 S values are in the range of -2 郾 4 ~ 4 郾 5 译 and the 208 Pb / 204 Pb, 207 Pb / 204 Pb and 206 Pb / 204 Pb values range from 38 郾 256 to 39 郾 0394, from 15 郾 457 to 15 郾 703, and from 18 郾 380 to 18 郾 673, respectively. There is no obvious variation in the sulfur and lead isotopic composition for different sulfides ( pyrite, galena and chalcopyrite) from different ore blocks, and the S-Pb isotopic compositions are also very similar to that of alkali -rich porphyries. In combination with the previous studies of fluid inclusions, it could be concluded that alkali-rich porphyry magma not only provides a driving force and heat for the rise of ore-bearing fluids, but also acts as the main source and carrier for the ore-forming material and mineralization fluid. Key words:gold polymetallic deposit, trace elements and rare earth elements, sulfur and lead isotope, Beiya in western Yunnan 179

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