Magmatic conduit metallogenic system of Jinchuan Cu-Ni (PGE) sulfide deposit: Evidence from mineralogy

doi:10.13745/j.esf.sf.2024.11.80

Abstract

Abstract:

The Jinchuan deposit is the third largest magmatic copper-nickel sulfide deposit in the world. There are still a lot of controversies about its metallogenic mechanism and there are two main models: ① Magmatic conduit accumulation metallogenic model and ② Deep segregation-injection metallogenenic model. However, none of them can explain the geological phenomena in the mining area well, especially the key problems such as the emplacement of high density sulfide melts. The new progress in experimental petrology and dynamics simulation shows that fluid addition can effectively promote the migration of high-dense sulfide slurry and it might be the main mechanism of emplacement of sulfide melts in the Jinchuan deposit. Previous research found that primary Cl-rich hydrated minerals (phlogopite, amphibole, apatite and calcite) are widely distributed in the Jinchuan sulfide ore, indicating that the formation process of the Jinchuan deposit might be significantly influenced by Cl- and C-rich fluids. This paper focuses on the characteristics of specific hydrous minerals in the deposit to discuss the migration mode and emplacement ability of sulfide meltIn order to investigate the significant effects of this Cl-rich and C-rich fluid on migration of the high-density sulfide melts. The primary hydrous minerals and sulfides in the Jinchuan deposit constitute fluid minerals assemblage. It is speculated that the Cl- and C-rich fluid gradually evolved from calcium-rich to magnesium and silicon-rich according to the spatial distribution of the fluid minerals and the moving direction of the magma conduit.

Key words: Jinchuan Cu-Ni(PGE) sulfide deposit, apatite, fluid mineral assemblages, Cl-rich fluid, magmatic conduit metallogenic system

CLC Number:

LIU Meiyu, SU Shangguo, LIU Xinran, GUO Xudong, LI Yiming. Magmatic conduit metallogenic system of Jinchuan Cu-Ni (PGE) sulfide deposit: Evidence from mineralogy[J]. Earth Science Frontiers, 2025, 32(2): 390-411.

Figures/Tables 22

References 86

[1]	汤中立, 钱壮志, 姜常义, 等. 中国镍铜铂岩浆硫化物矿床与成矿预测[M]. 北京: 地质出版社, 2006.
[2]	VOYTEKHOVSKY Y, NERADOVSKY Y N. The Cu-Ni-PGE and Cr deposits of the monchegorsk area, the Kola Peninsula, Russia[C/OL]. 33th International Geological Congress, 2008. [2025-2-22]. https://opac.geologie.ac.at/ais312/dokumente/Field_Guide_48.pdf.
[3]	LESHER C M, CAMPBELL I H. Geochemical and fluid dynamic modeling of compositional variations in Archean komatiite-hosted nickel sulfide ores in Western Australia[J]. Economic Geology, 1993, 88(4): 804-816.
[4]	NALDRETT A J. World-class Ni-Cu-PGE deposits: key factors in their genesis[J]. Mineralium Deposita, 1999, 34(3): 227-240.
[5]	LIGHTFOOT P C, KEAYS R R, EVANS-LAMSWOOD D, et al. S saturation history of Nain Plutonic Suite mafic intrusions: origin of the Voisey’s Bay Ni-Cu-Co sulfide deposit, Labrador, Canada[J]. Mineralium Deposita, 2012, 47(1/2): 23-50.
[6]	LI C S, NALDRETT A J, RIPLEY E M. Critical factors for the formation of a nickel-copper deposit in an evolved magma system: lessons from a comparison of the Pants Lake and Voisey’s Bay sulfide occurrences in Labrador, Canada[J]. Mineralium Deposita, 2001, 36(1): 85-92.
[7]	MAIER W D, LI C, DE WAAL S A. Why are there no major Ni Cu sulfide deposits in large layered mafic-ultramafic intrusions?[J]. The Canadian Mineralogist, 2001, 39(2): 547-556.
[8]	宋谢炎, 肖家飞, 朱丹, 等. 岩浆通道系统与岩浆硫化物成矿研究新进展[J]. 地学前缘, 2010, 17(1): 153-163.
[9]	RIPLEY E M, LI C S. Sulfide saturation in mafic magmas: is external sulfur required for magmatic Ni-Cu-(PGE) ore genesis?[J]. Economic Geology, 2013, 108(1): 45-58.
[10]	苏尚国, 汤中立. 岩浆通道成矿系统的理论与实践[J]. 矿床地质, 2010, 29(增刊1): 885-886.
[11]	苏尚国, 汤中立, 罗照华, 等. 岩浆通道成矿系统[J]. 岩石学报, 2014, 30(11): 3120-3130.
[12]	MUNGALL J E, BRENAN J M, GODEL B, et al. Transport of metals and sulphur in magmas by flotation of sulphide melt on vapour bubbles[J]. Nature Geoscience, 2015, 8(3): 216-219.
[13]	张铭杰, 汤庆艳, 李文渊, 等. 岩浆镍铜铂族矿床成矿过程中流体的作用: 对小岩体超大型矿床的启示[J]. 中国工程科学, 2015, 17(2): 40-49, 84.
[14]	BOUDREAU A E. The Stillwater complex, Montana: overview and the significance of volatiles[J]. Mineralogical Magazine, 2016, 80(4): 585-637.
[15]	BOUDREAU A. Hydromagmatic processes and platinum-group element deposits in layered intrusions[M]. New York: Cambridge University Press, 2019.
[16]	BARNES S J, LE VAILLANT M, GODEL B, et al. Droplets and bubbles: solidification of sulphide-rich vapour-saturated orthocumulates in the Norilsk-Talnakh Ni-Cu-PGE ore-bearing intrusions[J]. Journal of Petrology, 2019, 60(2): 269-300.
[17]	LIU M Y, ZHOU M F, SU S G, et al. Contrasting geochemistry of apatite from peridotites and sulfide ores of the Jinchuan Ni-Cu sulfide deposit, NW China[J]. Economic Geology, 2021, 116(5): 1073-1092.
[18]	YAO Z S, MUNGALL J E. Flotation mechanism of sulphide melt on vapour bubbles in partially molten magmatic systems[J]. Earth and Planetary Science Letters, 2020, 542: 116298.
[19]	王俊. 岩浆通道成矿系统中铜镍硫化物矿浆上升机制[D]. 北京: 中国地质大学(北京), 2013.
[20]	GUALDA G A R, GHIORSO M S. Magnetite scavenging and the buoyancy of bubbles in magmas. Part 2: energetics of crystal-bubble attachment in magmas[J]. Contributions to Mineralogy and Petrology, 2007, 154(4): 479-490.
[21]	PETFORD N. Rheology of granitic magmas during ascent and emplacement[J]. Annual Review of Earth and Planetary Sciences, 2003, 31: 399-427.
[22]	CARICCHI L, BURLINI L, ULMER P, et al. Non-Newtonian rheology of crystal-bearing magmas and implications for magma ascent dynamics[J]. Earth and Planetary Science Letters, 2007, 264(3/4): 402-419.
[23]	BACHMANN O, BERGANTZ G W. Gas percolation in upper-crustal silicic crystal mushes as a mechanism for upward heat advection and rejuvenation of near-solidus magma bodies[J]. Journal of Volcanology and Geothermal Research, 2005, 149(1): 85-102.
[24]	BLACK L P, KAMO S L, ALLEN C M, et al. TEMORA 1: a new zircon standard for Phanerozoic U-Pb geochronology[J]. Chemical Geology, 2003, 200(1/2): 155-170.
[25]	CHARLIER B L A, BACHMANN O, DAVIDSON J P, et al. The upper crustal evolution of a large silicic magma body: evidence from crystal-scale Rb-Sr isotopic heterogeneities in the Fish Canyon magmatic system, Colorado[J]. Journal of Petrology, 2007, 48(10): 1875-1894.
[26]	SHINOHARA H. Excess degassing from volcanoes and its role on eruptive and intrusive activity[J]. Reviews of Geophysics, 2008, 46(4): RG4005.
[27]	ALLAN A S R, MORGAN D J, WILSON C J N, et al. From mush to eruption in centuries: assembly of the Super-sized Oruanui magma body[J]. Contributions to Mineralogy and Petrology, 2013, 166(1): 143-164.
[28]	BURGISSER A, BERGANTZ G W. A rapid mechanism to remobilize and homogenize highly crystalline magma bodies[J]. Nature, 2011, 471(7337): 212-215.
[29]	HUBER C, BACHMANN O, DUFEK J. Thermo-mechanical reactivation of locked crystal mushes: melting-induced internal fracturing and assimilation processes in magmas[J]. Earth and Planetary Science Letters, 2011, 304(3/4): 443-454.
[30]	HUBER C, BACHMANN O, VIGNERESSE J L, et al. A physical model for metal extraction and transport in shallow magmatic systems[J]. Geochemistry, Geophysics, Geosystems, 2012, 13(8): 1-18.
[31]	DEGRUYTER W, HUBER C. A model for eruption frequency of upper crustal silicic magma chambers[J]. Earth and Planetary Science Letters, 2014, 403: 117-130.
[32]	PARMIGIANI A, HUBER C, BACHMANN O. Mush microphysics and the reactivation of crystal-rich magma reservoirs[J]. Journal of Geophysical Research: Solid Earth, 2014, 119(8): 6308-6322.
[33]	刘璐璐, 苏尚国, 侯建光, 等. 河北武安坦岭多斑斜长斑岩的成因: 冻结岩浆房活化机制[J]. 岩石学报, 2017, 33(1): 204-220.
[34]	WANG M X, WANG C Y. Crystal size distributions and trace element compositions of the fluorapatite from the Bijigou Fe-Ti oxide-bearing layered intrusion, central China: insights for the expulsion processes of interstitial liquid from crystal mush[J]. Journal of Petrology, 2020, 61(7): egaa069.
[35]	苏尚国, 崔晓亮, 罗照华, 等. 流体晶、流体晶矿物组合、流体岩及其研究意义[J]. 地学前缘, 2018, 25(6): 283-289.
[36]	蒋荆荆, 苏尚国, 杨林林. 内蒙古固阳县文圪乞基性-超基性岩中角闪石特征及成因[J]. 西部资源, 2019(5): 44-45.
[37]	SONG X Y, DANYUSHEVSKY L V, KEAYS R R, et al. Structural, lithological, and geochemical constraints on the dynamic magma plumbing system of the Jinchuan Ni-Cu sulfide deposit, NW China[J]. Mineralium Deposita, 2012, 47(3): 277-297.
[38]	甘肃省地质矿产局第六地质队. 白家咀子硫化铜镍矿床地质[M]. 北京: 地质出版社, 1984.
[39]	LI C, XU Z, DE WAAL S A, et al. Compositional variations of olivine from the Jinchuan Ni-Cu sulfide deposit, western China: implications for ore genesis[J]. Mineralium Deposita, 2004, 39: 159-172.
[40]	TANG Z L. Genetic model of the Jinchuan nickel copper deposit[J]. Geological Association of Canada, Special Paper, 1993, 40: 389-401.
[41]	TONNELIER N J. Geology and genesis of the Jinchuan Ni-Cu-(PGE) deposit, China[D]. Sudbury: Laurentian University, 2010.
[42]	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(1): 313-345.
[43]	FOSTER M D. Layer charge relations in the dioctahedral and trioctahedral micas[J]. American Mineralogist, 1960, 45: 383-398.
[44]	WEBSTER J D, PICCOLI P M. Magmatic apatite: a powerful, yet deceptive, mineral[J]. Elements, 2015, 11(3): 177-182.
[45]	XING C M, WANG C Y. Cathodoluminescence images and trace element compositions of fluorapatite from the Hongge layered intrusion in SW China: a record of prolonged crystallization and overprinted fluid metasomatism[J]. American Mineralogist, 2017, 102(7): 1390-1401.
[46]	HARLOV D E, FÖRSTER H J, NIJLAND T G. Fluid-induced nucleation of (Y + REE)-phosphate minerals within apatite: nature and experiment. Part I. Chlorapatite[J]. American Mineralogist, 2002, 87(2/3): 245-261.
[47]	HARLOV D E, WIRTH R, FÖRSTER H J. An experimental study of dissolution-reprecipitation in fluorapatite: fluid infiltration and the formation of monazite[J]. Contributions to Mineralogy and Petrology, 2005, 150(3): 268-286.
[48]	HARLOV D E, FÖRSTER H J. Fluid-induced nucleation of (Y+REE)-phosphate minerals within apatite: nature and experiment. Part II. Fluorapatite[J]. American Mineralogist, 2004, 88(8/9): 1209-1229.
[49]	BOUDREAU A E, MCCALLUM I S. Investigations of the stillwater complex. Part V. Apatites as indicators of evolving fluid composition[J]. Contributions to Mineralogy and Petrology, 1989, 102(2): 138-153.
[50]	BOUDREAU A E, KRUGER F J. Variation in the composition of apatite through the Merensky cyclic unit in the western Bushveld Complex[J]. Economic Geology, 1990, 85(4): 737-745.
[51]	BOUDREAU A E, MATHEZ E A, MCCALLUM I S. Halogen geochemistry of the stillwater and bushveld complexes: evidence for transport of the platinum-group elements by Cl-rich fluids[J]. Journal of Petrology, 1986, 27(4): 967-986.
[52]	WEBSTER J D. Fluid-melt interactions involving Cl-rich granites: experimental study from 2 to 8 kbar[J]. Geochimica et Cosmochimica Acta, 1992, 56(2): 659-678.
[53]	BREHLER B, FUGE R. Chlorine[M]//WEDEPOHL K H. Handbook of geochemistry. Berlin: Springer-Verlag, 1974, 2: 17B-17O.
[54]	O’NEIL J R, CLAYTON R N, MAYEDA T K. Oxygen isotope fractionation in divalent metal carbonates[J]. Journal of Chemical Physics, 1969, 51(12): 5547-5558.
[55]	RIPLEY E M, SARKAR A, LI C. Mineralogic and stable isotope studies of hydrothermal alteration at the Jinchuan Ni-Cu deposit, China[J]. Economic Geology, 2005, 100(7): 1349-1361.
[56]	BAU M, DULSKI P. Comparative study of yttrium and rare-earth element behaviours in fluorine-rich hydrothermal fluids[J]. Contributions to Mineralogy and Petrology, 1995, 119(2/3): 213-223.
[57]	RIDOLFI F, RENZULLI A, PUERINI M. Stability and chemical equilibrium of amphibole in calc-alkaline magmas: an overview, new thermobarometric formulations and application to subduction-related volcanoes[J]. Contributions to Mineralogy and Petrology, 2010, 160(1): 45-66.
[58]	RIDOLFI F, RENZULLI A. Calcic amphiboles in calc-alkaline and alkaline magmas: thermobarometric and chemometric empirical equations valid up to 1 130 ℃ and 2.2 GPa[J]. Contributions to Mineralogy and Petrology, 2012, 163(5): 877-895.
[59]	姜常义, 安三元. 论火成岩中钙质角闪石的化学组成特征及其岩石学意义[J]. 矿物岩石, 1984, 4(3): 1-9.
[60]	薛君治, 白学让, 陈武. 成因矿物学[M]. 武汉: 中国地质大学出版社, 1986.
[61]	刘劲鸿. 角闪石成因矿物族及其应用[J]. 长春地质学院学报, 1986, 16(1): 41-48, 124.
[62]	周作侠. 中国花岗岩类球粒陨石标准化稀土型式及其地质背景研究[J]. 科学通报, 1986, 31(23): 1806-1810.
[63]	周作侠. 侵入岩的镁铁云母化学成分特征及其地质意义[J]. 岩石学报, 1988, 4(3): 63-73.
[64]	DONG S H, BI X W, HU R Z, et al. Characteristics of ore-forming fluid in Yaogangxian quartz-vein wolframite deposit, Hunan Province(Article)[J]. Kuangwu Yanshi/Journal of Mineralogy and Petrology, 2011, 31(2): 54-60.
[65]	SU S G, LU X, SANTOSH M, et al. Geochemical and Fe-isotope characteristics of the largest Mesozoic skarn deposit in China: implications for the mechanism of Fe skarn formation[J]. Ore Geology Reviews, 2021, 138: 104400.
[66]	陈学根, 苏尚国, 施南, 等. 金川岩浆铜镍(铂)硫化物矿床铂族金属富集过程及富集机制[J]. 地质学报, 2023, 97(11): 3715-3736.
[67]	ZHU C, SVERJENSKY D A. Partitioning of F-Cl-OH between minerals and hydrothermal fluids[J]. Geochimica et Cosmochimica Acta, 1991, 55(7): 1837-1858.
[68]	KUSEBAUCH C, JOHN T, WHITEHOUSE M J, et al. Distribution of halogens between fluid and apatite during fluid-mediated replacement processes[J]. Geochimica et Cosmochimica Acta, 2015, 170: 225-246.
[69]	SALVI S, WILLIAMS-JONES A E. The role of hydrothermal processes in concentrating high-field strength elements in the Strange Lake peralkaline complex, northeastern Canada[J]. Geochimica et Cosmochimica Acta, 1996, 60(11): 1917-1932.
[70]	MIGDISOV A A, WILLIAMS-JONES A E, WAGNER T. An experimental study of the solubility and speciation of the Rare Earth Elements (III) in fluoride- and chloride-bearing aqueous solutions at temperatures up to 300℃[J]. Geochimica et Cosmochimica Acta, 2009, 73(23): 7087-7109.
[71]	KONZETT J, RHEDE D, FROST D J. The high PT stability of apatite and Cl partitioning between apatite and hydrous potassic phases in peridotite: an experimental study to 19 GPa with implications for the transport of P, Cl and K in the upper mantle[J]. Contributions to Mineralogy and Petrology, 2012, 163(2): 277-296.
[72]	BARNES S J, CAMPBELL I H. Role of late magmatic fluids in Merensky-type platinum deposits: a discussion[J]. Geology, 1988, 16(6): 488.
[73]	BRIMHALL G H, CRERAR D A. Ore fluids: magmatic to supergene[M]//Thermodynamic modeling of geologic materials. Berlin: De Gruyter, 1987: 235-322.
[74]	CANDELA P A, HOLLAND H D. The partitioning of copper and molybdenum between silicate melts and aqueous fluids[J]. Geochimica et Cosmochimica Acta, 1984, 48(2): 373-380.
[75]	HOLLAND H D. Granites, solutions, and base metal deposits[J]. Economic Geology, 1972, 67(3): 281-301.
[76]	HOLLOWAY J R. Volatile interactions in magmas[M]//Thermodynamics of minerals and melts. New York: Springer, 1981: 273-293.
[77]	BALLHAUS C G, STUMPFL E F. Sulfide and platinum mineralization in the merensky reef: evidence from hydrous silicates and fluid inclusions[J]. Contributions to Mineralogy and Petrology, 1986, 94(2): 193-204.
[78]	HUMPHREYS M C S, EDMONDS M, CHRISTOPHER T, et al. Chlorine variations in the magma of Soufrière Hills Volcano, Montserrat: insights from Cl in hornblende and melt inclusions[J]. Geochimica et Cosmochimica Acta, 2009, 73(19): 5693-5708.
[79]	HUBER C, BACHMANN O, MANGA M. Two competing effects of volatiles on heat transfer in crystal-rich magmas: thermal insulation vs defrosting[J]. Journal of Petrology, 2010, 51(4): 847-867.
[80]	CASHMAN K, BLUNDY J. Petrological cannibalism: the chemical and textural consequences of incremental magma body growth[J]. Contributions to Mineralogy and Petrology, 2013, 166(3): 703-729.
[81]	EDMONDS M, BRETT A, HERD R A, et al. Magnetite-bubble aggregates at mixing interfaces in andesite magma bodies[J]. Geological Society, London, Special Publications, 2015, 410(1): 95-121.
[82]	KNIPPING J L, BILENKER L D, SIMON A C, et al. Giant Kiruna-type deposits form by efficient flotation of magmatic magnetite suspensions[J]. Geology, 2015, 43(7): 591-594.
[83]	KNIPPING J L, BILENKER L D, SIMON A C, et al. Trace elements in magnetite from massive iron oxide-apatite deposits indicate a combined formation by igneous and magmatic-hydrothermal processes[J]. Geochimica et Cosmochimica Acta, 2015, 171: 15-38.
[84]	KNIPPING J L, WEBSTER J D, SIMON A C, et al. Accumulation of magnetite by flotation on bubbles during decompression of silicate magma[J]. Scientific Reports, 2019, 9: 3852. DOI PMID
[85]	MUNGALL J E, SU S G. Interfacial tension between magmatic sulfide and silicate liquids: constraints on kinetics of sulfide liquation and sulfide migration through silicate rocks[J]. Earth and Planetary Science Letters, 2005, 234(1/2): 135-149.
[86]	BOUDREAU A E. Volatile fluid overpressure in layered intrusions and the formation of potholes[J]. Australian Journal of Earth Sciences, 1992, 39(3): 277-287.

样品	类别	w_B/%
样品	类别	SiO₂	TiO₂	Al₂O₃	FeO	MnO	MgO	CaO	Na₂O	K₂O	Cr₂O₃	SrO	BaO	P₂O₅	CO₂	Total
050712-9-1	矿石	0.04	0.03	—	0.02	0.70	0.09	56.60	—	—	0.06	—	0.16	—	43.54	101.23
050712-9-2		—	—	0.01	—	0.60	0.04	56.61	—	—	0.09	—	0.17	—	43.56	101.08
050712-9-3		0.01	0.07	0.04	—	0.83	0.06	56.74	—	—	—	0.03	0.14	—	43.48	101.39
050712-9-4		—	—	—	0.04	0.88	0.08	56.36	—	—	0.06	—	0.17	—	43.53	101.11
050712-9-5		—	—	0.02	—	0.53	0.06	56.72	—	—	—	0.02	0.13	0.01	43.59	101.06
050712-9-6		—	—	0.06	—	1.10	0.10	55.91	—	—	—	—	0.04	—	43.64	100.86
050712-9-7		—	—	—	—	0.74	0.08	56.37	—	—	—	0.02	0.05	—	43.64	100.89
050712-9-8		—	—	0.03	0.02	0.57	0.04	55.89	—	—	—	0.02	0.07	0.01	43.79	100.43
050712-9-9		0.04	—	0.01	0.09	1.53	0.28	55.94	—	—	0.02	0.01	0.07	—	43.45	101.44
050712-9-10		—	—	0.01	0.04	0.79	0.04	56.77	—	—	—	0.02	0.04	—	43.53	101.23
050712-9-11		—	—	0.01	—	0.75	0.08	56.06	—	—	—	0.02	—	—	43.72	100.64
050712-9-12		0.02	—	—	—	0.81	0.06	56.60	—	—	—	—	0.04	—	43.58	101.11
050712-9-13		—	—	0.01	0.02	0.84	0.11	56.50	—	—	—	0.02	0.09	—	43.55	101.14
050712-9-14		0.01	0.01	0.02	—	0.79	0.09	56.77	—	—	—	—	—	0.01	43.56	101.24
050712-9-15		—	0.07	—	—	0.95	0.07	55.66	—	—	—	0.01	0.19	—	43.67	100.62
050713-5-1		0.03	—	0.03	0.01	0.59	0.06	55.58	—	—	0.02	—	—	—	43.88	100.20
050713-5-10		—	—	—	0.02	0.70	0.25	55.73	—	—	—	0.01	—	0.01	43.79	100.51
050713-5-11		0.02	0.03	0.02	0.08	0.64	0.22	56.35	—	—	0.02	0.01	—	0.01	43.65	101.05
050713-5-12		—	—	0.01	0.07	0.75	0.21	57.00	—	—	0.03	—	0.08	—	43.45	101.60
050713-5-13		0.02	—	0.01	0.10	0.59	0.11	56.42	—	—	0.02	0.01	—	—	43.66	100.93
050713-5-14		0.01	—	0.03	0.08	0.71	0.21	56.4	—	—	—	0.02	0.10	0.01	43.58	101.15
050713-5-15		—	0.01	—	0.10	0.72	0.22	56.39	—	—	0.02	0.02	0.01	0.01	43.61	101.10
050713-5-16		0.02	0.01	0.03	0.03	0.64	0.19	56.98	—	—	—	—	—	—	43.54	101.44
050713-5-17		—	—	0.03	0.08	0.63	0.19	56.35	—	—	0.02	0.01	—	—	43.66	100.97
050713-5-18		—	0.03	0.03	0.09	0.78	0.20	56.51	—	—	0.02	0.01	—	—	43.57	101.23
050713-5-2		0.02	—	0.01	0.10	0.59	0.20	55.99	—	—	0.01	—	0.05	—	43.73	100.69
050713-5-3		—	—	0.02	0.07	0.75	0.19	56.44	—	—	—	—	0.01	—	43.61	101.08
050713-5-4		0.02	—	0.05	0.16	0.66	0.17	56.85	—	—	0.02	—	—	—	43.52	101.44
050713-5-5		0.03	—	—	0.10	0.65	0.16	56.17	—	—	—	—	—	—	43.70	100.80
050713-5-6		0.01	0.02	0.03	0.04	0.72	0.24	56.17	—	—	—	—	—	—	43.69	100.92
050713-5-7		—	—	0.03	0.09	0.59	0.23	56.04	—	—	—	0.01	—	—	43.74	100.71
050713-5-8		—	—	0.02	0.11	0.70	0.15	56.72	—	—	—	—	—	0.01	43.56	101.27
050713-5-9		—	—	0.02	0.05	0.59	0.19	56.77	—	—	—	0.03	—	0.01	43.58	101.23
150905-10	围岩	0.07	—	0.01	—	0.03	1.71	54.58	0.73	0.12	—	0.02	0.03	—	43.88	101.16
150905-10		0.1	0.02	0.01	0.07	0.03	1.74	55.58	0.05	—	—	0.05	—	—	43.84	101.49
150905-10		0.03	0.02	0.01	0.03	—	1.27	54.90	0.01	—	—	—	—	—	44.09	100.37
150905-10		0.08	—	0.03	0.12	0.02	2.06	54.21	—	—	—	0.03	—	—	44.14	100.67
150905-7		—	0.01	—	0.13	0.08	2.09	55.39	0.13	0.01	—	0.03	—	—	43.81	101.66
150905-7		0.01	0.02	—	0.06	0.08	0.94	59.71	0.04	—	—	0.01	0.01	—	43.02	103.89
150905-7		0.01	—	—	0.03	0.04	1.56	60.03	0.04	—	—	—	—	—	42.93	104.64
150905-7		—	—	—	0.12	0.05	1.49	61.08	0.03	—	—	0.02	0.01	—	42.68	105.48
B160909-1-1		0.01	—	—	0.08	0.01	1.94	61.00	—	—	—	0.04	—	—	42.69	105.76
B160909-1-1		0.01	—	—	0.07	0.03	2.03	60.37	0.01	0.02	—	0.04	0.03	—	42.78	105.40
B160909-1-1		0.01	—	—	—	0.02	1.76	61.86	0.05	—	—	—	—	—	42.55	106.25
B160909-1-1		0.04	0.01	—	0.06	0.01	1.93	54.48	0.02	0.01	—	—	—	—	44.11	100.66
B160909-1-1		0.02	0.01	0.01	0.03	—	0.88	55.13	0.01	0.01	—	0.06	—	—	44.05	100.20
B160909-1-1		—	—	—	0.07	—	1.25	55.61	0.02	0.01	—	0.08	0.01	—	43.88	100.93
B160909-1-1		0.09	—	—	0.07	0.03	1.65	51.65	0.09	0.02	—	—	0.07	—	44.74	98.42

样品	类别	w_B/%
样品	类别	SiO₂	TiO₂	Al₂O₃	FeO	MnO	MgO	CaO	Na₂O	K₂O	Cr₂O₃	SrO	BaO	P₂O₅	CO₂	Total
050712-9-1	矿石	0.04	0.03	—	0.02	0.70	0.09	56.60	—	—	0.06	—	0.16	—	43.54	101.23
050712-9-2		—	—	0.01	—	0.60	0.04	56.61	—	—	0.09	—	0.17	—	43.56	101.08
050712-9-3		0.01	0.07	0.04	—	0.83	0.06	56.74	—	—	—	0.03	0.14	—	43.48	101.39
050712-9-4		—	—	—	0.04	0.88	0.08	56.36	—	—	0.06	—	0.17	—	43.53	101.11
050712-9-5		—	—	0.02	—	0.53	0.06	56.72	—	—	—	0.02	0.13	0.01	43.59	101.06
050712-9-6		—	—	0.06	—	1.10	0.10	55.91	—	—	—	—	0.04	—	43.64	100.86
050712-9-7		—	—	—	—	0.74	0.08	56.37	—	—	—	0.02	0.05	—	43.64	100.89
050712-9-8		—	—	0.03	0.02	0.57	0.04	55.89	—	—	—	0.02	0.07	0.01	43.79	100.43
050712-9-9		0.04	—	0.01	0.09	1.53	0.28	55.94	—	—	0.02	0.01	0.07	—	43.45	101.44
050712-9-10		—	—	0.01	0.04	0.79	0.04	56.77	—	—	—	0.02	0.04	—	43.53	101.23
050712-9-11		—	—	0.01	—	0.75	0.08	56.06	—	—	—	0.02	—	—	43.72	100.64
050712-9-12		0.02	—	—	—	0.81	0.06	56.60	—	—	—	—	0.04	—	43.58	101.11
050712-9-13		—	—	0.01	0.02	0.84	0.11	56.50	—	—	—	0.02	0.09	—	43.55	101.14
050712-9-14		0.01	0.01	0.02	—	0.79	0.09	56.77	—	—	—	—	—	0.01	43.56	101.24
050712-9-15		—	0.07	—	—	0.95	0.07	55.66	—	—	—	0.01	0.19	—	43.67	100.62
050713-5-1		0.03	—	0.03	0.01	0.59	0.06	55.58	—	—	0.02	—	—	—	43.88	100.20
050713-5-10		—	—	—	0.02	0.70	0.25	55.73	—	—	—	0.01	—	0.01	43.79	100.51
050713-5-11		0.02	0.03	0.02	0.08	0.64	0.22	56.35	—	—	0.02	0.01	—	0.01	43.65	101.05
050713-5-12		—	—	0.01	0.07	0.75	0.21	57.00	—	—	0.03	—	0.08	—	43.45	101.60
050713-5-13		0.02	—	0.01	0.10	0.59	0.11	56.42	—	—	0.02	0.01	—	—	43.66	100.93
050713-5-14		0.01	—	0.03	0.08	0.71	0.21	56.4	—	—	—	0.02	0.10	0.01	43.58	101.15
050713-5-15		—	0.01	—	0.10	0.72	0.22	56.39	—	—	0.02	0.02	0.01	0.01	43.61	101.10
050713-5-16		0.02	0.01	0.03	0.03	0.64	0.19	56.98	—	—	—	—	—	—	43.54	101.44
050713-5-17		—	—	0.03	0.08	0.63	0.19	56.35	—	—	0.02	0.01	—	—	43.66	100.97
050713-5-18		—	0.03	0.03	0.09	0.78	0.20	56.51	—	—	0.02	0.01	—	—	43.57	101.23
050713-5-2		0.02	—	0.01	0.10	0.59	0.20	55.99	—	—	0.01	—	0.05	—	43.73	100.69
050713-5-3		—	—	0.02	0.07	0.75	0.19	56.44	—	—	—	—	0.01	—	43.61	101.08
050713-5-4		0.02	—	0.05	0.16	0.66	0.17	56.85	—	—	0.02	—	—	—	43.52	101.44
050713-5-5		0.03	—	—	0.10	0.65	0.16	56.17	—	—	—	—	—	—	43.70	100.80
050713-5-6		0.01	0.02	0.03	0.04	0.72	0.24	56.17	—	—	—	—	—	—	43.69	100.92
050713-5-7		—	—	0.03	0.09	0.59	0.23	56.04	—	—	—	0.01	—	—	43.74	100.71
050713-5-8		—	—	0.02	0.11	0.70	0.15	56.72	—	—	—	—	—	0.01	43.56	101.27
050713-5-9		—	—	0.02	0.05	0.59	0.19	56.77	—	—	—	0.03	—	0.01	43.58	101.23
150905-10	围岩	0.07	—	0.01	—	0.03	1.71	54.58	0.73	0.12	—	0.02	0.03	—	43.88	101.16
150905-10		0.1	0.02	0.01	0.07	0.03	1.74	55.58	0.05	—	—	0.05	—	—	43.84	101.49
150905-10		0.03	0.02	0.01	0.03	—	1.27	54.90	0.01	—	—	—	—	—	44.09	100.37
150905-10		0.08	—	0.03	0.12	0.02	2.06	54.21	—	—	—	0.03	—	—	44.14	100.67
150905-7		—	0.01	—	0.13	0.08	2.09	55.39	0.13	0.01	—	0.03	—	—	43.81	101.66
150905-7		0.01	0.02	—	0.06	0.08	0.94	59.71	0.04	—	—	0.01	0.01	—	43.02	103.89
150905-7		0.01	—	—	0.03	0.04	1.56	60.03	0.04	—	—	—	—	—	42.93	104.64
150905-7		—	—	—	0.12	0.05	1.49	61.08	0.03	—	—	0.02	0.01	—	42.68	105.48
B160909-1-1		0.01	—	—	0.08	0.01	1.94	61.00	—	—	—	0.04	—	—	42.69	105.76
B160909-1-1		0.01	—	—	0.07	0.03	2.03	60.37	0.01	0.02	—	0.04	0.03	—	42.78	105.40
B160909-1-1		0.01	—	—	—	0.02	1.76	61.86	0.05	—	—	—	—	—	42.55	106.25
B160909-1-1		0.04	0.01	—	0.06	0.01	1.93	54.48	0.02	0.01	—	—	—	—	44.11	100.66
B160909-1-1		0.02	0.01	0.01	0.03	—	0.88	55.13	0.01	0.01	—	0.06	—	—	44.05	100.20
B160909-1-1		—	—	—	0.07	—	1.25	55.61	0.02	0.01	—	0.08	0.01	—	43.88	100.93
B160909-1-1		0.09	—	—	0.07	0.03	1.65	51.65	0.09	0.02	—	—	0.07	—	44.74	98.42