冀西北黄土梁金矿成矿规律研究
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摘要
黄土梁金矿位于张家口市赤城县,是张家口市的一个大型金矿床。本文在深入细致的野外地质工作基础上,对黄土梁的地层、岩浆活动、金矿床成矿控矿构造等有着直接而深入的认识,在经过室内工作和样品分析后,作者结合原有资料,论述了张宣幔枝构造对黄土梁矿区的成矿作用的控制,并重新建立黄土梁金矿的成矿模式。论文取得的认识主要如下:
1.本文探讨黄土梁金矿矿区的地层与金矿成矿作用的联系,研究显示,矿区地层并不是黄土梁金矿的矿源层。
2.本文研究矿区岩浆活动与金矿成矿作用的关系,本矿区岩浆岩主要是海西期的水泉沟—大南山碱性杂岩体和燕山期的花岗岩,研究认为,水泉沟—大南山岩体与金矿成矿作用无直接联系,但水泉沟—大南山杂岩体与金矿成矿物质有同源性,都是由韧性剪切带控制的碱交代作用控制。燕山期的大规模岩浆活动与金矿成矿作用密切相关。
3.对本矿区的成矿控矿构造和矿体形态进行分析研究。研究显示,金矿的控矿构造为—韧性剪切带,矿体的形态主要受韧性剪切带的特征控制,呈舒缓波状。
4.本文通过对金矿的各种同位素(铅、氢、氧、硫和氦)的综合分析,并与冀西北地区的其他金矿床的同位素对比,研究成矿物质来源。分析结果显示,黄土梁金矿的成矿物质主要是幔源,在其迁移的过程中溶入部分壳源物质,其中有大量的大气降水加入。
5.通过对本矿区的矿物包裹体成分分析,研究黄土梁金矿成矿流体的迁移方式。
6.通过应用幔枝构造理论,归纳黄土梁金矿的成矿规律,建立成矿模式。
7.收集黄土梁矿金矿的各个部位的金的品位,研究金矿体在其倾向和走向上的变化趋势。并在研究矿体控矿构造和基础形态的基础上,分析金矿体的在深部和矿区东部外围的定位。
The Huangtuliang gold deposit is located the Chicheng County of Zhangjiagang city, is a large-scale gold deposit. This study has been carried out detailed studies on the regional geology and the local geology of the deposit. In this foundation, the author has the direct and the thorough understanding to the stratums, the magmatic activity, and ore-forming and ore-controlling structures of the Huangtuliang gold deposit. After the office work and the sample analysis, the author unified the original material, elaborated Zhangjiakou-Xuanhua mantle branch structure to the Huangtuliang gold deposit metallogentic control action, reestablishes the metallogentic model of the Huangtuliang gold deposit. The study obtains the understanding is main as follows:
1. This article discusses the relation of the stratums and the metallogentic of the Huangtuliang gold deposit. the research demonstrated that, the mining area stratum certainly is not the origin of mineral resources.
2. This article studies the relations of the magmatic activity and the mineralization of the Huangtuliang gold deposit, this mining area magmatic rock mainly is Hercynian Shuiquangou- Dnanshan alkali mixed orebody and the Yanshanian granite, the research believed, Shuiquangou - Dnanshan alkali mixed orebody and the mineralization have not directly relations, but Shuiquangou -Dnanshan alkali mixed orebody and metalligenetic materials have the same origin-deep mantle, all is control by alkalinous metasomatic which controls by the ductile shear zone. Yanshanian large-scale magmatic activity and metallogenesis have close correlation.
3. This article analyses the ore-forming and ore-controlling structures and the orebody shape .The research demonstrated that, the ore-forming and ore-controlling structures is a ductile shear zone, the orebody shape mainly control by characteristic of the ductile shear zone.
4. This article based on the synthetic studies of geochronology and lead, hydrogen, oxygen, sulfur and helium isotopes, and contrasts with the isotope of other gold deposits in Northwestward in Hebei, research mineralization matter origin. The analysis result showed that, the metalligenetic materials mainly came from deep mantle, partial earth crust materials dissolved into metalligenetic hydrothermal in its migration process, including the massive atmospheric water to join.
5. Analyses the ingredient of the mineral inclusion to studies how the metalligenetic fluid migrate.
6. Applies the mantle branch structure theory, conclude metalligenetic rule of the Huangtuliang gold deposit, establishes the metalligenetic model.
7. Collects the grade of each position of Huangtuliang gold deposit, researches the change tendency in dip and in strike of the orebody, and with the foundation of knowing the ore-forming and ore-controlling structures and the orebody shape, analyses the localization in deep and periphery western of orebody.
1.本文探讨黄土梁金矿矿区的地层与金矿成矿作用的联系,研究显示,矿区地层并不是黄土梁金矿的矿源层。
2.本文研究矿区岩浆活动与金矿成矿作用的关系,本矿区岩浆岩主要是海西期的水泉沟—大南山碱性杂岩体和燕山期的花岗岩,研究认为,水泉沟—大南山岩体与金矿成矿作用无直接联系,但水泉沟—大南山杂岩体与金矿成矿物质有同源性,都是由韧性剪切带控制的碱交代作用控制。燕山期的大规模岩浆活动与金矿成矿作用密切相关。
3.对本矿区的成矿控矿构造和矿体形态进行分析研究。研究显示,金矿的控矿构造为—韧性剪切带,矿体的形态主要受韧性剪切带的特征控制,呈舒缓波状。
4.本文通过对金矿的各种同位素(铅、氢、氧、硫和氦)的综合分析,并与冀西北地区的其他金矿床的同位素对比,研究成矿物质来源。分析结果显示,黄土梁金矿的成矿物质主要是幔源,在其迁移的过程中溶入部分壳源物质,其中有大量的大气降水加入。
5.通过对本矿区的矿物包裹体成分分析,研究黄土梁金矿成矿流体的迁移方式。
6.通过应用幔枝构造理论,归纳黄土梁金矿的成矿规律,建立成矿模式。
7.收集黄土梁矿金矿的各个部位的金的品位,研究金矿体在其倾向和走向上的变化趋势。并在研究矿体控矿构造和基础形态的基础上,分析金矿体的在深部和矿区东部外围的定位。
The Huangtuliang gold deposit is located the Chicheng County of Zhangjiagang city, is a large-scale gold deposit. This study has been carried out detailed studies on the regional geology and the local geology of the deposit. In this foundation, the author has the direct and the thorough understanding to the stratums, the magmatic activity, and ore-forming and ore-controlling structures of the Huangtuliang gold deposit. After the office work and the sample analysis, the author unified the original material, elaborated Zhangjiakou-Xuanhua mantle branch structure to the Huangtuliang gold deposit metallogentic control action, reestablishes the metallogentic model of the Huangtuliang gold deposit. The study obtains the understanding is main as follows:
1. This article discusses the relation of the stratums and the metallogentic of the Huangtuliang gold deposit. the research demonstrated that, the mining area stratum certainly is not the origin of mineral resources.
2. This article studies the relations of the magmatic activity and the mineralization of the Huangtuliang gold deposit, this mining area magmatic rock mainly is Hercynian Shuiquangou- Dnanshan alkali mixed orebody and the Yanshanian granite, the research believed, Shuiquangou - Dnanshan alkali mixed orebody and the mineralization have not directly relations, but Shuiquangou -Dnanshan alkali mixed orebody and metalligenetic materials have the same origin-deep mantle, all is control by alkalinous metasomatic which controls by the ductile shear zone. Yanshanian large-scale magmatic activity and metallogenesis have close correlation.
3. This article analyses the ore-forming and ore-controlling structures and the orebody shape .The research demonstrated that, the ore-forming and ore-controlling structures is a ductile shear zone, the orebody shape mainly control by characteristic of the ductile shear zone.
4. This article based on the synthetic studies of geochronology and lead, hydrogen, oxygen, sulfur and helium isotopes, and contrasts with the isotope of other gold deposits in Northwestward in Hebei, research mineralization matter origin. The analysis result showed that, the metalligenetic materials mainly came from deep mantle, partial earth crust materials dissolved into metalligenetic hydrothermal in its migration process, including the massive atmospheric water to join.
5. Analyses the ingredient of the mineral inclusion to studies how the metalligenetic fluid migrate.
6. Applies the mantle branch structure theory, conclude metalligenetic rule of the Huangtuliang gold deposit, establishes the metalligenetic model.
7. Collects the grade of each position of Huangtuliang gold deposit, researches the change tendency in dip and in strike of the orebody, and with the foundation of knowing the ore-forming and ore-controlling structures and the orebody shape, analyses the localization in deep and periphery western of orebody.
引文
[1]胡小蝶,赵嘉农,李双保.张宣地区太古代变质岩中金的成矿作用[J].天津地质矿产研究所所刊,1990(22):1-127
[2]宋瑞先,王有志,王振彭,等.河北金矿地质[M].北京:地质出版社,1994.1-406
[3]牛树银,孙爱群,邵振国等.地幔热柱多级演化及其成矿作用[M].北京:地震出版社,2001.1-226
[4]毛景文,华仁民,李晓波.浅议大规模成矿作用与大型矿集区[J].矿床地质,1999,18(4):291-299
[5]罗镇宽,苗来成,关康,等.河北张家口水泉沟岩体SHRIMP年代学研究[J].地球化学,2001,30(2):116-122
[6]刘英俊,马东升.金的地球化学[M].北京:科学出版社,1991.48-63
[7]胡受奚,陈衍景,徐金方等.华北地台花岗岩和地层中金含量与金成矿的关系[J].高校地质学报,1998,4(2):121-125
[8]银剑钊.冀西北地区金矿类型研究.贵金属地质.贵金属地质,1994,3(3):176-185
[9]江思宏,聂凤军.河北小营盘与东坪金矿地质地球化学特征对比及矿床成因探讨.黄金地质,1998,4(4):12-24
[10]王时麒.张家口金矿床氢、氧同位素组成与矿床成因.矿床地质,1986,11(1):84-89
[11]苗来成,翟裕生等.冀西北水泉沟碱性杂岩体成岩时代研究.黄金地质,2001,7(1):1-7
[12]王正坤,蒋心明,王郁,等.河北省张宣地区水泉沟偏碱性杂岩体的起源和形成机制及地质意义[J].贵金属地质,1992,1(1):8-26.
[13]卢德林,罗修泉,汪建军.东坪金矿成矿时代研究.矿床地质,1993,12(2):182-188
[14]银剑钊.冀西北地区主要金矿床硫同位素组成特征研究.黄金科学技术,1994,2(3):34-39
[15]包志伟,赵振华,张佩华,等.冀西北水泉沟正长岩杂岩体成因机制及成岩成矿时代探讨.矿物岩石地球化学通报.2000,19(4):251-252
[16]毛景文,李荫清.河北省东坪碲化物金矿床流体包裹体研究:地幔流体与成矿关系[J].矿床地质,2001,20(1):23-36
[17]王宝德,牛树银,孙爱群,等.2003.冀北地区金矿床氦、氩、铅同位素组成及其成矿物质来源[J].地球化学,32(2):181-187.
[18]聂风军,张辉旭.碱性岩浆活动与金成矿作用[J].国外矿床地质,1997(3):1-36
[19]包志伟,赵振华,周玲棣,周国富.冀西北与碱性杂岩有关的金矿床的成因探讨[J].地质地球化学,1996(1):72-77
[20]王蓉嵘.河北金家庄地区长英质碱性岩的特征及成因[J].桂林地质学院学报,1992(12):12-20
[21]章百明,赵国良,马国玺,等.河北省主要成矿区带矿床成矿系列及成矿模式[M].北京:石油工业出版社,1996,78-124
[22]彭岚,马配学,李红阳.冀北超基性岩区金矿床地质特征及找矿方向[M].北京:地质出版社,1992.18-123
[23]石森,杨廷栋.水晶屯金矿床稳定同位素地球化学研究[J].贵金属地质,1997,6(1):38-46
[24]姚玉增,金成洙,孙宝亮,王建国.河北省大营子金矿床成矿流体地球化学特征研究[J].贵金属地质,2000,9(4):214-219
[25]胡书敏,张荣华,王军,等.深部地壳水与岩石反应动力学[C].“九五”全国地质科技重要成果论文集.北京:地质出版社,2000.99-102
[26]王义文.中国金矿床稳定同位素地球化学研究[J].贵金属地质,1982,28(2):108-117
[27]牛树银,孙爱群,邵振国,王宝德,等.地幔热柱多级演化及其成矿作用[M].北京:地震出版社,2001.12-32
[28]张宇辉.华北地块含金碱性岩浆源区及其物质来源研究[J].黄金,2002,23(1):4-9
[29]吴利仁.若干地区碱性岩研究[M].北京:科学出版社,1996.
[30]曹荣龙,朱华寿.1995.地幔流体与成矿作用[J].地球科学进展,10(4):324-329.
[31]丁清峰,孙丰月.2001.地幔流体研究进展[J].地质科技情报,20(3):21-30
[32]杜乐天.羟碱流体地球化学原理一重论热液作用和岩浆作用[M].北京:科学出版社.1996.1-552.
[33]杜乐天.地壳流体与地幔流体间的关系[J].地学前缘,1996,3(4):172-180.
[34]张招崇.东坪金矿床的氢、氧同位素特征与成矿流体演化[J].黄金地质,1996,2(3):36-41
[35]李煜平,赵瑞峰.水泉沟碱性杂岩体及其与金矿关系分析[J].贵金属地质,1997,6(4):262-269
[36]Ohmoto H.Systematics of sulfur and carbon isotopes in hydrothermal ore deposits[J].Economic Geology,1972(67):551-578
[37]Zartman R E.,Doe B.Plumb tectonics-The model[J].Tectonophysics,1981(75):135-162.
[38]Mamyfin B A,Iolstikhin L N.Helium isotopes in Nature[M].Amsterdam-Oxford-New York-Tokyo:Elsevier,1984.38-165
[39]Ozima M,Podosek F A.Noble gas geochemistry[M].Cambride University Press,2002.1-217
[40]Niu Shuyin,Hou Quanlin,Hou Zengqian,et al.Cascaded evolution of mantle plumes and metallogensis of core-and mantle-derived elements[J].ACTA GEOLGICA SINICA,2003,77(4): 522-536
[41]Fukao Y,Maruyama S,Inoue H.Geologic implication of the whole mantle P-wave tomography[J].J.Geol.Soc.Japan,1994,100(1):4-23
[42]Maruyama S.Plume tectonics[J].J.Geol.Soc.Japan,1994,100(1):24-49
[43]Plister G L,Murphy J B,Brimhall G H.Is the ancestral Yellowstone hotspot responsible for the Tertiary "Carlin" mineralization in the Great Basin of Nevada[J].Geology,1997,25(7):627-630
[44]Wilson J T.Apossible origin of the Hawaiian island[I].Can.J.Phys,1963(41):863-870
[45]Morgan W J.Convection plumes in the lower mantle[J].Nature,1971(230):42-43
[46]Deffeys K S.Plume convection with aupper mantle temperature inversion[J].Nature,1972(240):539-544
[47]Anderson D L.Chemical plume in the mantle[J].Geol.Soc.Am.Bull,1975(86):1593-1600
[42]Clemens J D,Mawer C K.Granitic magma transport by fracture propagation[J].Teclonophysics,1992(204):339-360
[49]Lin Erwei,Guo Yujia.Pb isotope study of gold deposit concentration area in Hebei Province[J].Journal of Changchun College of Geology,1985(4):1-10(in Chinese).
[50]Graham D W,Humphfies S E,Jenkins W J,et al.Helium isotope geochemistry of some volcanic rocks from Saint Helena[J].Earth Planet Sci Lett,1992(110):121-131
{51} Tolstikhin I N,Drubetskoy E R.The ~3He/~4He and(~4He/~(40)Ae) rad isotope for the earth's crust[J].Geochem Int,1978(12):133-145
[52]ZindlerA,Hart S R.Chemical geodynamics[J].Ann.Earth Planet.Sci,1986(14):493-571
[53]Taylor H P,Jretal.~(18)O/~(16)O and chemical relationships in K-rich volcanic rocks from[53]Australia,East Africa,Antartie and sanvenano-lupaaello[J].Italy,Earth planet.Sli.lett.1984(69):263-267.
[54]Kyser T K,O' Neil J R.Hydrogen isotope systematics of sub-marine basalts[J].Geochim.Csmochim.Acta,1984(48):2123-2133.
[55]Pineau F,Methez E A.Carbon isotopes in xenoliths from the Hualalai volcano,Hawaii,and the generation of isotopic variability[J].Geochim.Cosmochim.Acta,1990(54):2117-2127
[56]Taylor H P.The effects of assimilation of country rocks by magma on ~(18)O/~(16)O and ~(87)Sr/~(86)Sr systematics in ignous rocks[J].Earth Planet Sci.Lett.1980(47):243-245.
[2]宋瑞先,王有志,王振彭,等.河北金矿地质[M].北京:地质出版社,1994.1-406
[3]牛树银,孙爱群,邵振国等.地幔热柱多级演化及其成矿作用[M].北京:地震出版社,2001.1-226
[4]毛景文,华仁民,李晓波.浅议大规模成矿作用与大型矿集区[J].矿床地质,1999,18(4):291-299
[5]罗镇宽,苗来成,关康,等.河北张家口水泉沟岩体SHRIMP年代学研究[J].地球化学,2001,30(2):116-122
[6]刘英俊,马东升.金的地球化学[M].北京:科学出版社,1991.48-63
[7]胡受奚,陈衍景,徐金方等.华北地台花岗岩和地层中金含量与金成矿的关系[J].高校地质学报,1998,4(2):121-125
[8]银剑钊.冀西北地区金矿类型研究.贵金属地质.贵金属地质,1994,3(3):176-185
[9]江思宏,聂凤军.河北小营盘与东坪金矿地质地球化学特征对比及矿床成因探讨.黄金地质,1998,4(4):12-24
[10]王时麒.张家口金矿床氢、氧同位素组成与矿床成因.矿床地质,1986,11(1):84-89
[11]苗来成,翟裕生等.冀西北水泉沟碱性杂岩体成岩时代研究.黄金地质,2001,7(1):1-7
[12]王正坤,蒋心明,王郁,等.河北省张宣地区水泉沟偏碱性杂岩体的起源和形成机制及地质意义[J].贵金属地质,1992,1(1):8-26.
[13]卢德林,罗修泉,汪建军.东坪金矿成矿时代研究.矿床地质,1993,12(2):182-188
[14]银剑钊.冀西北地区主要金矿床硫同位素组成特征研究.黄金科学技术,1994,2(3):34-39
[15]包志伟,赵振华,张佩华,等.冀西北水泉沟正长岩杂岩体成因机制及成岩成矿时代探讨.矿物岩石地球化学通报.2000,19(4):251-252
[16]毛景文,李荫清.河北省东坪碲化物金矿床流体包裹体研究:地幔流体与成矿关系[J].矿床地质,2001,20(1):23-36
[17]王宝德,牛树银,孙爱群,等.2003.冀北地区金矿床氦、氩、铅同位素组成及其成矿物质来源[J].地球化学,32(2):181-187.
[18]聂风军,张辉旭.碱性岩浆活动与金成矿作用[J].国外矿床地质,1997(3):1-36
[19]包志伟,赵振华,周玲棣,周国富.冀西北与碱性杂岩有关的金矿床的成因探讨[J].地质地球化学,1996(1):72-77
[20]王蓉嵘.河北金家庄地区长英质碱性岩的特征及成因[J].桂林地质学院学报,1992(12):12-20
[21]章百明,赵国良,马国玺,等.河北省主要成矿区带矿床成矿系列及成矿模式[M].北京:石油工业出版社,1996,78-124
[22]彭岚,马配学,李红阳.冀北超基性岩区金矿床地质特征及找矿方向[M].北京:地质出版社,1992.18-123
[23]石森,杨廷栋.水晶屯金矿床稳定同位素地球化学研究[J].贵金属地质,1997,6(1):38-46
[24]姚玉增,金成洙,孙宝亮,王建国.河北省大营子金矿床成矿流体地球化学特征研究[J].贵金属地质,2000,9(4):214-219
[25]胡书敏,张荣华,王军,等.深部地壳水与岩石反应动力学[C].“九五”全国地质科技重要成果论文集.北京:地质出版社,2000.99-102
[26]王义文.中国金矿床稳定同位素地球化学研究[J].贵金属地质,1982,28(2):108-117
[27]牛树银,孙爱群,邵振国,王宝德,等.地幔热柱多级演化及其成矿作用[M].北京:地震出版社,2001.12-32
[28]张宇辉.华北地块含金碱性岩浆源区及其物质来源研究[J].黄金,2002,23(1):4-9
[29]吴利仁.若干地区碱性岩研究[M].北京:科学出版社,1996.
[30]曹荣龙,朱华寿.1995.地幔流体与成矿作用[J].地球科学进展,10(4):324-329.
[31]丁清峰,孙丰月.2001.地幔流体研究进展[J].地质科技情报,20(3):21-30
[32]杜乐天.羟碱流体地球化学原理一重论热液作用和岩浆作用[M].北京:科学出版社.1996.1-552.
[33]杜乐天.地壳流体与地幔流体间的关系[J].地学前缘,1996,3(4):172-180.
[34]张招崇.东坪金矿床的氢、氧同位素特征与成矿流体演化[J].黄金地质,1996,2(3):36-41
[35]李煜平,赵瑞峰.水泉沟碱性杂岩体及其与金矿关系分析[J].贵金属地质,1997,6(4):262-269
[36]Ohmoto H.Systematics of sulfur and carbon isotopes in hydrothermal ore deposits[J].Economic Geology,1972(67):551-578
[37]Zartman R E.,Doe B.Plumb tectonics-The model[J].Tectonophysics,1981(75):135-162.
[38]Mamyfin B A,Iolstikhin L N.Helium isotopes in Nature[M].Amsterdam-Oxford-New York-Tokyo:Elsevier,1984.38-165
[39]Ozima M,Podosek F A.Noble gas geochemistry[M].Cambride University Press,2002.1-217
[40]Niu Shuyin,Hou Quanlin,Hou Zengqian,et al.Cascaded evolution of mantle plumes and metallogensis of core-and mantle-derived elements[J].ACTA GEOLGICA SINICA,2003,77(4): 522-536
[41]Fukao Y,Maruyama S,Inoue H.Geologic implication of the whole mantle P-wave tomography[J].J.Geol.Soc.Japan,1994,100(1):4-23
[42]Maruyama S.Plume tectonics[J].J.Geol.Soc.Japan,1994,100(1):24-49
[43]Plister G L,Murphy J B,Brimhall G H.Is the ancestral Yellowstone hotspot responsible for the Tertiary "Carlin" mineralization in the Great Basin of Nevada[J].Geology,1997,25(7):627-630
[44]Wilson J T.Apossible origin of the Hawaiian island[I].Can.J.Phys,1963(41):863-870
[45]Morgan W J.Convection plumes in the lower mantle[J].Nature,1971(230):42-43
[46]Deffeys K S.Plume convection with aupper mantle temperature inversion[J].Nature,1972(240):539-544
[47]Anderson D L.Chemical plume in the mantle[J].Geol.Soc.Am.Bull,1975(86):1593-1600
[42]Clemens J D,Mawer C K.Granitic magma transport by fracture propagation[J].Teclonophysics,1992(204):339-360
[49]Lin Erwei,Guo Yujia.Pb isotope study of gold deposit concentration area in Hebei Province[J].Journal of Changchun College of Geology,1985(4):1-10(in Chinese).
[50]Graham D W,Humphfies S E,Jenkins W J,et al.Helium isotope geochemistry of some volcanic rocks from Saint Helena[J].Earth Planet Sci Lett,1992(110):121-131
{51} Tolstikhin I N,Drubetskoy E R.The ~3He/~4He and(~4He/~(40)Ae) rad isotope for the earth's crust[J].Geochem Int,1978(12):133-145
[52]ZindlerA,Hart S R.Chemical geodynamics[J].Ann.Earth Planet.Sci,1986(14):493-571
[53]Taylor H P,Jretal.~(18)O/~(16)O and chemical relationships in K-rich volcanic rocks from[53]Australia,East Africa,Antartie and sanvenano-lupaaello[J].Italy,Earth planet.Sli.lett.1984(69):263-267.
[54]Kyser T K,O' Neil J R.Hydrogen isotope systematics of sub-marine basalts[J].Geochim.Csmochim.Acta,1984(48):2123-2133.
[55]Pineau F,Methez E A.Carbon isotopes in xenoliths from the Hualalai volcano,Hawaii,and the generation of isotopic variability[J].Geochim.Cosmochim.Acta,1990(54):2117-2127
[56]Taylor H P.The effects of assimilation of country rocks by magma on ~(18)O/~(16)O and ~(87)Sr/~(86)Sr systematics in ignous rocks[J].Earth Planet Sci.Lett.1980(47):243-245.