|
|
Metallogenic geochemical characteristics and potential resources prediction of granites in Xinchenggou area, Heilongjiang Province |
Yi HAO, Xian-Min WANG, Jin-Xiang WANG |
No. 1 Prospecting Party of Shandong Coal Geology Bureau, Tengzhou 277500,China |
|
|
Abstract The granites in Xinchenggou area of Dongning County are located on the active continental margin of eastern part of Xing'anling-Mongolian orogenic belt. In this paper, petrologic and element geochemical studies were carried out for granites in Xinchenggou area, Dongning County. Major element geochemistry shows that the rocks are calc-alkaline and I-type granites, and are also characterized by enrichment of alkali, relative enrichment of potassium and S-type syn-collisional granites. The Rittman index δ is from 1.41 to 2.11. The alumina saturation index ACNK is from 1.02 to 1.20. REE concentrations are low ( ΣREE=72.35×10 -6~217.64×10 -6 ) and show obvious differentiation between LREE and HREE ( LaN/YbN=2.74~11.37 ), with apparent Eu negative anomalies ( δEu=0.14~0.83 ), and the abnormality of δCe (δCe =0.96~1.11) is not apparent. In addition, the rock mass is relatively poor in such elements as Nb, Ta, P and Ti, and rich in Rb, Ba and K . w(Nb)/w(Ta) ratios of trace elements are less than 16.2, suggesting that the magmas were formed by partial melting of the crust. The magmas were formed by collision between the North China plate and Siberia plate in Late Paleozoic-Early Mesozoic period and subduction of the paleo-Pacific plate towards the east edge of Eurasia in Late Triassic. The magmas also had the characteristics of multi-stages and complex genesis. Geophysical and geochemical anomaly, geochemical characteristics, and geochemical ore parameters indicate that this area has prospecting potential for epithermal-type Au-Ag-Cu deposits.
|
Received: 19 July 2017
Published: 04 June 2018
|
|
|
|
|
|
|
|
|
|
|
|
|
样品号 | HQ-1 | HQ-2 | HQ-3 | HQ-5 | JX1304 | JX1305 | 1322 | 岩石名称 | 正长花岗岩 | 正长花岗岩 | 正长花岗岩 | 正长花岗岩 | 二长花岗岩 | 二长花岗岩 | 二长花岗岩 | SiO2 | 76.78 | 74.56 | 72.12 | 71.23 | 74.20 | 75.16 | 76.42 | Al2O3 | 11.98 | 12.68 | 13.07 | 13.52 | 13.15 | 12.85 | 12.70 | Fe2O3 | 1.18 | 1.37 | 1.27 | 0.99 | 0.30 | 0.25 | 0.20 | FeO | 0.88 | 1.68 | 1.68 | 2.82 | 1.72 | 1.40 | 1.11 | K2O | 4.67 | 3.50 | 3.40 | 3.23 | 4.17 | 4.23 | 4.80 | MgO | 0.10 | 0.41 | 0.64 | 0.90 | 0.26 | 0.17 | 0.11 | Na2O | 3.42 | 3.36 | 3.01 | 3.07 | 3.85 | 3.86 | 3.59 | CaO | 0.52 | 1.45 | 1.26 | 2.20 | 1.12 | 0.94 | 0.71 | TiO2 | 0.09 | 0.24 | 0.33 | 0.42 | 0.16 | 0.13 | 0.10 | MnO | 0.02 | 0.04 | 0.03 | 0.08 | 0.04 | 0.04 | 0.02 | P2O5 | 0.01 | 0.05 | 0.08 | 0.08 | 0.03 | 0.02 | 0.02 | LOI | 0.28 | 0.49 | 2.93 | 1.31 | 0.58 | 0.34 | 0.39 | Total | 99.94 | 99.83 | 99.82 | 99.85 | 99.72 | 99.45 | 100.16 | Rb | 167.00 | 145.00 | 120.00 | 132.00 | 89.40 | 114.00 | 161.00 | Ba | 120 | 468 | 465 | 526 | 780 | 951 | 712 | Nb | 10.20 | 7.07 | 8.56 | 10.40 | 10.40 | 7.90 | 4.90 | Ta | 1.65 | 0.91 | 1.18 | 1.26 | 0.40 | 0.30 | 0.20 | K | 38751.06 | 29042.55 | 28212.77 | 26802.13 | 34602.13 | 35100.00 | 39829.79 | Sr | 17.2 | 98.6 | 120.00 | 156.00 | 194.50 | 107.50 | 59.40 | Cr | 6.65 | 7.85 | 14.20 | 26.50 | | | | P | 61.13 | 218.31 | 349.30 | 349.30 | 130.99 | 87.32 | 87.32 | Hf | 4.85 | 4.42 | 6.12 | 7.41 | 8.70 | 5.80 | 5.80 | Th | | | | | 7.43 | 9.50 | 2.10 | Zr | | | | | 375.00 | 219.00 | 91.00 | Ti | 564 | 1440 | 1980 | 2520 | 960 | 780 | 600 | La | 20.70 | 19.00 | 14.50 | 34.80 | 26.20 | 49.00 | 20.20 | Ce | 40.00 | 32.30 | 28.20 | 71.10 | 57.60 | 93.50 | 38.20 | Pr | 4.71 | 3.59 | 3.49 | 9.20 | 6.13 | 9.88 | 4.30 | Nd | 14.20 | 11.90 | 12.30 | 33.40 | 24.10 | 37.30 | 16.50 | Sm | 3.27 | 2.77 | 2.72 | 7.89 | 5.13 | 6.93 | 3.37 | Eu | 0.17 | 0.47 | 0.49 | 1.17 | 1.29 | 0.71 | 0.47 | Gd | 4.22 | 2.54 | 2.43 | 6.74 | 4.41 | 5.78 | 3.26 | Tb | 0.87 | 0.44 | 0.42 | 1.10 | 0.70 | 0.93 | 0.57 | Dy | 6.54 | 3.04 | 2.63 | 6.68 | 4.26 | 5.38 | 3.58 | Ho | 1.46 | 0.63 | 0.57 | 1.31 | 0.87 | 1.13 | 0.78 | Er | 4.65 | 1.97 | 1.79 | 3.76 | 2.66 | 3.03 | 2.32 | Tm | 0.76 | 0.32 | 0.29 | 0.57 | 0.42 | 0.50 | 0.39 | Yb | 5.42 | 2.29 | 2.18 | 3.77 | 2.73 | 3.09 | 2.61 | Lu | 0.85 | 0.35 | 0.34 | 0.53 | 0.47 | 0.48 | 0.39 | Y | 45.20 | 20.30 | 16.00 | 37.70 | 27.20 | 32.70 | 25.00 |
|
|
样品号 | HQ-1 | HQ-2 | HQ-3 | HQ-5 | JX1304 | JX1305 | 1322 | 岩石名称 | 正长花岗岩 | 正长花岗岩 | 正长花岗岩 | 正长花岗岩 | 二长花岗岩 | 二长花岗岩 | 二长花岗岩 | w(K2O)+w(Na2O) | 8.09 | 6.86 | 6.41 | 6.30 | 8.02 | 8.09 | 8.39 | w(K2O)/w(Na2O) | 1.37 | 1.04 | 1.13 | 1.05 | 1.08 | 1.10 | 1.34 | δ | 1.94 | 1.49 | 1.41 | 1.41 | 2.06 | 2.04 | 2.11 | Mg# | 8.41 | 20.06 | 28.78 | 30.18 | 21.00 | 20.00 | 15.00 | A/CNK | 1.03 | 1.06 | 1.20 | 1.08 | 1.02 | 1.02 | 1.02 | A/NK | 1.60 | 1.63 | 1.80 | 1.16 | 1.21 | 1.17 | 1.14 | DI | 94.15 | 86.90 | 85.63 | 79.67 | 90.03 | 91.83 | 93.71 | SI | 0.98 | 3.98 | 6.40 | 8.17 | 2.52 | 1.72 | 1.12 | R1 | 2761 | 2886 | 2944 | 2826 | 2568 | 2622 | 2661 | R2 | 297 | 427 | 437 | 553 | 394 | 365 | 331 | w(Nb)/w(Ta) | 6.18 | 7.77 | 7.25 | 8.25 | 26.00 | 26.33 | 24.50 | w(Rb)/w(Nb) | 16.37 | 20.51 | 14.02 | 12.69 | 8.60 | 14.43 | 32.86 | w(Rb)/w(Sr) | 9.71 | 1.47 | 1.00 | 0.85 | 0.46 | 1.06 | 2.71 | w(Rb)/w(Ba) | 1.39 | 0.31 | 0.26 | 0.25 | 0.11 | 0.12 | 0.23 | w(Sr)/w(Y) | 0.38 | 4.86 | 7.50 | 4.14 | 7.15 | 3.29 | 2.38 | ∑REE | 107.82 | 81.61 | 72.35 | 182.02 | 136.97 | 217.64 | 96.94 | ∑LREE | 83.05 | 70.03 | 61.70 | 157.56 | 120.45 | 197.32 | 83.04 | ∑HREE | 24.77 | 11.58 | 10.65 | 24.46 | 16.52 | 20.32 | 13.90 | w(∑LREE)/w(∑HREE) | 3.35 | 6.05 | 5.79 | 6.44 | 7.29 | 9.71 | 5.97 | δEu | 0.14 | 0.54 | 0.58 | 0.49 | 0.83 | 0.34 | 0.43 | δCe | 0.99 | 0.96 | 0.97 | 0.97 | 1.11 | 1.04 | 1.00 | LaN/YbN | 2.74 | 5.95 | 4.77 | 6.62 | 6.88 | 11.37 | 5.55 | LaN/SmN | 4.09 | 4.43 | 3.44 | 2.85 | 3.30 | 4.56 | 3.87 | GdN/YbN | 0.64 | 0.92 | 0.92 | 1.48 | 1.34 | 1.55 | 1.03 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
矿床 名称 | 围岩 | 控矿构造/矿体形态 | 大地构造 | 矿床 类型 | 测定方法及 成矿年龄 | 金厂金矿 | 花岗闪长岩、花 岗斑岩、花岗岩 | 角砾岩筒构造和环状、放射状断裂;柱状、囊状 | 佳木斯地块老黑山—绥芬河盆地边缘断裂与东西向断裂带交汇部位 | 斑岩型、爆破角砾岩型、浅成低温热液型 | 锆石U-Pb年龄 190~210 Ma[43] | 五凤金矿 | 中侏罗世安山质 火山碎屑岩 | NE、NW断裂;囊状、柱状 | 中生代火山岩盆地边缘 | 浅成低温热液型 | Rb-Sr等时线年龄 144±7 Ma[46] | 五星山金矿 | 中侏罗世粗安—粗 面质次火山岩 | NW断裂;网脉、浸染状 | 中生代火山岩盆地边缘 | 浅成低温热液型 | Ar39-Ar40年龄 123±7Ma[47] | 闹枝铜金矿 | 中侏罗世火山岩 | NW断裂;不规则状 | 中生代火山岩盆地内部晚古生代褶皱基底隆起区 | 浅成低温热液型 | Ar39-Ar40年龄 127.8±0.2 Ma[48] | 刺猬沟金矿 | 中侏罗世安山质 角砾凝灰岩 | 破火山口及裂隙;脉状 | 中生代火山岩盆地内边缘 | 浅成低温热液型 | Ar39-Ar40年龄 176.8±1 Ma[48] | 小西南岔铜金矿 | 闪长岩及青龙村 变质岩 | SN及EW向断裂控制;细脉浸染型、硫化物石英脉型 | 中生代火山岩盆地边缘的断隆区 | 斑岩—矽卡岩型 | 锆石U-Pb年龄 123.35~102.1 Ma[49] | 神洞叶蜡石矿 | 次花岗闪长斑岩 次生石英岩 | NE向断裂;透镜状 | 新华夏构造体系金厂—老黑山多字型构造中部北东端 | 次火山—热液交代型 | 晚三叠纪[50] |
|
|
[1] |
张宇, 赖勇, 卿敏 , 等. 黑龙江省金厂金矿床J0矿体流体地球化学研究[J]. 岩石学报, 2008,24(5):1131-1144.
|
[2] |
敬海鑫, 孙德有, 苟军 , 等. 兴凯地块南部花岗岩年代学、地球化学及Hf同位素特征[J]. 地球科学:中国地质大学学报, 2015,40(6):982-994.
|
[3] |
邵济安, 唐克东, 詹立培 , 等. 一个古大陆边缘的再造及其大地构造意义——延边地质研究新进展[J]. 中国科学:B辑, 1995,25(5):548-555.
|
[4] |
任纪舜, 王作勋, 陈炳蔚 , 等. 从全球看中国大地构造:中国及临区大地构造图简要说明[M]. 北京:北京地质版社, 1999: 4-32.
|
[5] |
Kobayashi F . Middle Permian biogeography based on fusulinacean faunas[G] //Ross C A, Ross J R P, Brenckle P L.Late paleozoic foraminifera: Their biogeography, evolution, and paleoecology, and the mid-carboniferous boundary.Cushman Foundation for Foraminiferal Research, Special Publication 36, 1997: 73-76.
|
[6] |
Kobayashi F . Palaeogeographic constraints on the tectonic evolution of the Maizuru Terrane of Southwest Japan to the eastern continental margin of South China during the Permian and Triassic[J]. Palaeogeogr Palaeoclimatol Palaeoecol, 2003,195:299-317.
|
[7] |
Zhang K J . North and South China collision along the eastern and southern North China margins[J]. Tectonophysics, 1997,270(1-2):145-156.
|
[8] |
Zhang K J . Granulite xenoliths from Cenozoic basalts in SE China provide geochemical fingerprints to distinguish lower crust terranes from the North and South China tectonic blocks: comment[J]. Lithos, 2004,73(1):127-134.
|
[9] |
Li S Z, Jahn B M, Zhao S J , et al. Triassic southeastward subduction of North China Block to South China Block: Insights from new geological, geophysical and geochemical data[J]. Earth-Science Reviews, 2017,166:270-285.
|
[10] |
郭润华, 李三忠, 索艳慧 , 等. 华北地块楔入大华南地块和印支期弯山构造[J]. 地学前缘, 2017,24(4):171-184.
|
[11] |
王枫, 许文良, 葛文春 , 等. 敦化—密山断裂带的平移距离: 来自松嫩—张广才岭—佳木斯—兴凯地块古生代—中生代岩浆作用的制约[J]. 岩石学报, 2016,32(4):1129-1140.
|
[12] |
Middlemost Eric A K . Naming materials in the magma/igneous rock system[J]. Earth-Science Reviews, 1994,37:215-224.
|
[13] |
Peccerillo R, Taylor S R . Geochemistry of Eocene calc-alkaline volcanic rocks from the Kastamonu area, Northern Turkey. Contrib[J]. Mineral Petrol, 1976,58:63-81.
|
[14] |
Middlemost Eric A K . Magmas and magmatic rocks: an introduction to igneous petrology[M]. London: Longman, 1985, 1-266.
|
[15] |
Maniar P D, Piccoli P M, . Tectonic discrimination of granitoids[J]. Geological Society of America Bulletin, 1989,101(5):635-643.
|
[16] |
汪建明, 丁桂春 . 苏州A-型花岗岩中长石的负Eu异常及其成因意义[J]. 地质实验室, 1995(2):108-111.
|
[17] |
Sun S S, McDonough W F . Chemical and isotopic systematics of oceanic basalts: implications for mantle composition and processes[J]. Geological Society London Special Publications, 1989,42:313-345.
|
[18] |
周振华, 吕林素, 杨永军 , 等. 内蒙古黄岗锡铁矿区早白垩世A型花岗岩成因:锆石U-Pb年代学和岩石地球化学制约[J]. 岩石学报, 2010,26(12):3521-3537.
|
[19] |
Wu F Y, Jahn B M, Wilde S A , et al. Highly fractionated I-type granites in NE China(I): geochronology and petrogenesis[J]. Lithos, 2003,66:241-273.
|
[20] |
武鹏飞, 孙德有, 王天豪 , 等. 延边和龙地区闪长岩的年代学、地球化学特征及岩石成因研究[J]. 高校地质学报, 2013(4):600-610.
|
[21] |
程彦博, 毛景文, 谢桂青 , 等. 云南个旧老厂—卡房花岗岩体成因:锆石U-Pb年代学和岩石地球化学约束[J]. 地质学报, 2008,82(11):1478-1493.
|
[22] |
迟清华, 鄢明才 . 应用地球化学元素丰度数据手册[M]. 北京: 地质出版社, 2007, 1-148.
|
[23] |
赵一鸣, 张德全, 盛继福 . 大兴安岭及其邻区铜多金属矿床成矿规律与远景评价[M]. 北京: 地震出版社, 1997, 192-238.
|
[24] |
王京彬, 王玉堡, 王莉娟 . 大兴安岭中南段铜矿成矿背景及找矿潜力[J]. 地质与勘探, 2000,36(5):1-4.
|
[25] |
李昌年 . 火成岩微量元素岩石学[M]. 武汉: 中国地质大学出版社, 1992, 94-123.
|
[26] |
赵振华 . 微量元素地球化学原理[M]. 北京: 科学出版社, 1997, 56-112.
|
[27] |
Wang Y J, Zhang Y, Fan W M , et al. Numerical modeling of the formation of Indo-Sinian peraluminous granitoids in Hunan Province: Basaltic underplating versus tectonic thickening[J]. Science in China:Series D, 2002,45(11):1042-1056.
|
[28] |
Inger S, Harris N . Geochemical constraints on leucogranite magmatism in the Langtang Valley,Nepal Himalaya[J]. Journal of Petrology, 1993,34:345-368.
|
[29] |
Sylvester P J . Post-collisional strongly peraluminous granites[J]. Lithos, 1998,45:29-44.
|
[30] |
谢晓华, 陈卫锋, 赵葵东 , 等. 桂东北豆乍山花岗岩年代学与地球化学特征[J]. 岩石学报, 2008,24(6):160-170.
|
[31] |
Pearce J A, Harris N B W, Tindle A G . Trace element discrimination diagrams for the tectonic interpretation of granitic rocks[J]. Journal of Petrology, 1984,25(4):956-983.
|
[32] |
张旗 . 碰撞与花岗岩——碰撞是构造事件,不是构造环境[J]. 岩石矿物学杂志, 2012,31(5):745-749.
|
[33] |
Collins W J, Beams S D, White A J R , et al. Nature and origin of A-type granites with particular reference to southeastern Australia[J]. Contributions to Mineralogy and Petrology, 1982,80(2):189-200.
|
[34] |
鲁艳明, 所承逊, 专少鹏 , 等. 内蒙古阿鲁科尔沁地区早白垩世侵入岩地球化学特征及其成矿潜力[J]. 物探与化探, 2016,40(5):885-982.
|
[35] |
郝义, 王士路 . 内蒙古协力地区次火山岩地球化学特征及其成矿潜力[J]. 矿产勘查, 2017,8(5):832-842.
|
[36] |
张峰, 陈建平, 徐涛 , 等. 东准噶尔晚古生代依旧存在俯冲消减作用——来自石炭纪火山岩岩石学、地球化学及年代学证据[J]. 大地构造与成矿学, 2014,38(1):140-156.
|
[37] |
Hofmann A W . Chemical differentiation of the earth: the relationship between mantle, continental crust, and oceanic crust[J]. Earth and Planetary Science Letters, 1988,90:297-314.
|
[38] |
Batchelor R A, Bowden P . Petrogenetic interpretation of granitoid rock series using multicationic parameters[J]. Chemical Geology, 1985,48(1/4):43-45.
|
[39] |
徐克勤, 胡受奚, 孙明志 , 等. 论花岗岩的成因系列——以华南中生代花岗岩为例[J]. 地质学报, 1983,( 2):107-118.
|
[40] |
祁进平, 陈衍景, Pirajn F . 东北地区浅成低温热液矿床的地质特征和构造背景[J]. 矿物岩石, 2005,25(2):47-59.
|
[41] |
黑龙江省地质矿产局. 1∶20万区域地质调查报告(穆棱镇公社幅和东宁县幅部分)[R]. 哈尔滨: 黑龙江省地质矿产局, 1979, 78-103.
|
[42] |
黑龙江省地质矿产局第一地质调查所. 1∶5万区域地质调查报告(东宁县幅、闹枝沟幅和大肚川幅部分)[R]. 哈尔滨: 黑龙江省地质矿产局, 1986, 60-94.
|
[43] |
门兰静 . 黑龙江东宁县金厂超大型金矿床的地质、地球化学特征及成矿模式[D]. 长春:吉林大学, 2008.
|
[44] |
Feiss P Geoffrey . Magmatic sources of copper in porphyry copper deposits[J]. Economic Geology, 1978: 397-404.
|
[45] |
刘建明, 张锐, 张庆洲 . 大兴安岭地区的区域成矿特征[J]. 地学前缘, 2004,11(1):269-277.
|
[46] |
赵春荆, 彭玉鲸, 党增欣 , 等. 吉黑东部构造格架及地壳演化[M]. 沈阳: 辽宁大学出版社, 1996, 1-186.
|
[47] |
逄伟 . 延边地区浅成低温低硫化型金矿床的成矿模式研究[D]. 长春:吉林大学, 2009.
|
[48] |
周永昶, 姜开君 . 延边地区显生宙花岗岩成因系列及其构造岩浆演化序列[G]//长春地质学院40周年科学研究论文集. 长春: 吉林科技出版社, 1992: 204-212.
|
[49] |
赵俊康 . 延边小西南岔金铜矿成矿地球化学动力学研究[D]. 长春:吉林大学, 2007.
|
[50] |
马东元 . 黑龙江东宁县神洞叶蜡石矿地质特征[J]. 建材地质, 1993,6:9-14.
|
[1] |
WANG Zhi-Qiang, YANG Jian-Feng, WEI Li-Xin, SHI Tian-Chi, CAO Yuan-Yuan. Geochemical characteristics and bioavailability of selenium in alkaline soil in Shizuishan area, Ningxia[J]. Geophysical and Geochemical Exploration, 2022, 46(1): 229-237. |
[2] |
FANG Yong-Kun, Cao Cheng-Gang, DONG Jun-Lin, LI Ling-Gui. Geochronology and geochemistry of the granodiorite intrusion in Yangkang area of Qinghai Province and its geological significance[J]. Geophysical and Geochemical Exploration, 2021, 45(6): 1367-1377. |
|
|
|
|