滇东北镇雄羊场磷矿区下寒武统梅树村组沉积环境及富集成矿机制-岩石矿物学杂志-CSCIED科技核心评价数据库-手机版

滇东北镇雄羊场磷矿区下寒武统梅树村组沉积环境及富集成矿机制

Sedimentary environment and enrichment mineralization mechanism of the Lower Cambrian Meishucun Formation in the Yangchang phosphate deposit of Zhenxiong area, Northeastern Yunnan

ES评分 0 浏览量：232 下载量：0

全文阅读下载引用收藏

DOI	10.20086/j.cnki.yskw.2024.0503
刊名	岩石矿物学杂志 Acta Petrologica et Mineralogica
年，卷(期)	2024, 43(5)
作者	米云川，杜斌，夏建峰，王枫*，周骞，黄太平，胡清华,
作者单位	1. 云南省地质调查院(云南省地质科学研究院), 云南昆明 650216; 2. 自然资源部三江成矿作用及资源勘查利用重点实验室, 云南昆明 650051; 3. 云南省三江成矿作用及资源勘查利用重点实验室, 云南昆明 650051; 4. 昆明理工大学国土资源工程学院, 云南昆明 650093
摘要	羊场超大型磷矿床是新近勘查发现的大埋深全隐伏浅海相碳酸盐岩型层状磷块岩矿床,赋矿地层为下寒武统梅树村组(∈₁ms),目前对其沉积环境和富集成矿机制认识薄弱。本文在代表性钻孔岩芯系统观测的基础上,利用沉积(微)相分析、矿物学及矿物化学示踪等手段,重点解析梅树村组各岩性段的岩石矿物(组合)特征、沉积(微)相类型及其时空分布规律,查明沉积环境演化,探究磷质来源、迁移及富集机制,建立其成矿模式。对比分析表明,赋矿地层垂向上表现出海侵-海退序列的近岸潮坪相沉积环境,识别出潮上坪、潮间坪和潮下坪3个亚相6种微相,潮上坪分为潮上滩、潮上灰坪,潮间坪分为潮间灰坪、潮间滩、风暴流,潮下坪发育低能潮下坪;潮间坪中的高能潮间滩是最有利的磷块岩形成环境,长期保持的浅水环境下多期次潮汐、波浪反复作用,利于富磷粒屑的簸选富集与再造,从而形成矿区北西侧矿层富厚、南东侧渐趋薄贫的磷块岩矿床。由此,羊场磷矿床的成矿作用可分为3个阶段:初始堆积沉淀成矿阶段(上升洋流携带的磷质来源)、生物化学凝聚沉淀与加积异化成矿阶段(微生物分解、转化及复合作用驱动的迁移与富集成矿)、簸选富集与再富集成矿阶段(多期次波浪、潮汐作用驱动的沉淀再次富集成矿)。这为矿区及外围地区找矿勘查提供了重要依据。
Abstract	The Yangchang phosphate deposit is a large-buried shallow marine carbonate stratified phosphorite deposit discovered in the Meishucun Formation (∈₁ms) of the Lower Cambrian recently. The understanding of its sedimentary environment and enrichment mechanism is still limited. Representative borehole cores were selected to carry out systematic sedimentary facies cataloguing. By means of sedimentary (microfacies) analysis, mineralogy and mineral chemistry tracing, the characteristics of rock and mineral (assemblage), sedimentary (microfacies) types, sedimentary environment and spatial and temporal distribution of each lithologic section of the Meishucun Formation are analyzed. We also studied the sedimentary environment evolution, the source, migration and enrichment mechanism of phosphorus, and its metallogenic model. The comparative analysis shows that the ore-bearing strata exhibits the nearshore tidal flat facies sedimentary environment with transgression-regressive sequence vertically, 6 microfacies types in 3 subfacies namely supratidic flat, intertidal flat and subtidal flat are identified. Supratidic flat is divided into supratidic flat and supratidic carbonate flat. The intertidal flat is divided into intertidal carbonate flat, intertidal flat and storm current. The subtidal flat developed a low energy subtidal flat. The favorable phosphorus formation environment is the high energy intertidal flat in intertidal flat. Repeated action of tides and waves in the shallow water environment for a long time is conducive to the winnowing, enrichment and reconstruction of phosphorous rich particles, thus forming a phosphorous rock deposit with rich and thick beds in the northwest and poor and thin beds in the southeast of the mining area. To sum up, the ore forming process of the Yangchang phosphate deposit can be divided into three stages, namely: ① initial accumulation and precipitation mineralization stage (phosphorus source carried by upwelling ocean current); ② biochemical deposition and accretion mineralization stage (migration and enrichment driven by microbial decomposition, transformation and compound); ③ winnowing enrichment and re-enrichment mineralization stage (precipitation and enrichment driven by multi-stage wave and tidal action). This new points provides an important basis for prospecting and exploration in the mining area and peripheral areas.
关键词	梅树村组；羊场背斜；沉积环境演化；成矿机制；磷块岩矿床；羊场磷矿；镇雄地区；滇东北
KeyWord	Meishucun Formation; Yangchang anticlinal; sedimentary environment evolution; metallogenic model; phosphorite deposit; Yangchang phosphate deposit; Zhenxiong area; Northeast Yunnan
基金项目
页码	1099-1118

参考文献
相关文献

Chen Qiying. 1995. Microbiological processes in genesis of phosphorite deposits
[J]. Scientia Geologica Sinica, 30(2): 153~158(in Chinese with English abstract). Chen Zhiming and Chen Qiying. 1987. Paleogenography of Yangzi platform and the characteristics of the phosphorite distribution of early Meishucun stage, early Cambrian
[J]. Scientia Geologica Sinica, 22(3): 246~257 (in Chinese with English abstract). Deng Xiaolin, Yao Chaomei, Jiang Xinhua, et al. 2007. The formation and concentration of the phosphorite between southwest Sichuan Province and northeast Yunnan Province
[J]. Geology of Chemical Minerals, 29(3): 139~140 (in Chinese with English abstract). Deng Xiaolin, Yao Chaomei, Wang Jiping, et al. 2009. Mineralized regularity of phosphorite in the Yangtze area
[J]. Geology of Chemical Minerals, 31(1): 1~12 (in Chinese with English abstract). Dongye Maixing. 2001. Regional ore-forming regulation of phosphorite in Yangtze massif in the times of Doushantuo and Meishucun ages
[J]. Geology of Chemical Minerals, 23(4): 193~209 (in Chinese with English abstract). Ge Hongru, Luo Chaoshun and Li Ji. 1983. Phosphorite sedimentary environment of Meishucun age, Early Cambrian, and condition of phosphrous accumulation in eastern Yunnan
[J]. Journal of Mineralogy and Petrology, 3(3): 11~20, 123 (in Chinese with English abstract). Jin Zhenkui, Shi Liang, Gao Baishui, et al. 2013. Carbonate facies and facies models
[J]. Acta Sedimentologica Sinica, 31(6): 965~979 (in Chinese with English abstract). Li Jiao and He Dengfa. 2014. Palaeogeography and tectonic-depositional environment evolution of the Cambrian in Sichuan Basin and adjacent areas
[J]. Journal of Palaeogeography, 16(4): 441~460 (in Chinese with English abstract). Li Zuoqiang, Chen Min, Lu Junyong, et al. 2023. Sedimentary facies characteristics and metallogenic model of the lower Cambrian Maidiping formation in the Huangjiaping phosphate deposit, Mabian County, southern Sichuan
[J]. Journal of Geomechanics, 29(1): 34~47 (in Chinese with English abstract). Liu Baojun, Xu Xiaosong, Luo Anping, et al. 1987. Storm events and phosphate deposition in Cambrian on the western margin of the Yangtze platform, China
[J]. Acta Sedimentologica Sinica, 5(3): 28~39, 186 (in Chinese with English abstract). Liu Falu, Huang Jufang and Yang Zhenqiang. 1985. Characteristics of phosphorites in the early Meishucun stage(early Cambrian) in western Sichuan and their depositional and diagenetic environments
[J]. Geological Review, 31(2): 149~157, 202~203 (in Chinese with English abstract). Liu Jianqing, He Li, Jiang Yongfu, et al. 2022. Phosphorus-bearing strata in Maidiping Formation of the Lower Cambrian in Leibo area of Sichuan Province and its potential of phosphate resources
[J]. Geology in China, 49(6): 1 908~1 922 (in Chinese with English abstract). Liu Yongxian, Ge Dingyi, Zeng Yunfu, et al. 1994. The enrichment characteristics of apatite from phosphorites in east Yunnan
[J]. Journal of Mineralalogy and Petrology, 14(4): 17~36(in Chinese with English abstract). Luo Xuequan. 1993. Sedimentary facies and model of the phosphorites in western Hunan
[J]. Sedimentary Geology and Tethyan Geology, 13(3): 33~39 (in Chinese with English abstract). Mi Yunchuan, Huang Taiping, Zhou Qian, et al. 2021. The sedimentary environment and resource potential of the newly discovered Yangchang super-large phosphate deposit in the Zhenxiong area, Yunnan
[J]. Geology and Exploration, 57(4): 808~824 (in Chinese with English abstract). Mu Nan and Wu Chaodong. 2005. Characteristics and phosphogenesis of phosphorite of the sinian-Cambrian, West Yangtze area
[J]. Acta Scicentiarum Naturalum Universitis Pekinesis, 41(4): 551~562 (in Chinese with English abstract). Wang Dengfang, Mao Tie and Chen Rong. 2016. Sediment characteristics of the lower Cambrian phosphorus rock and comparison of mineral phase in Guizhou and Yunnan Provinces
[J]. Science Technology and Engineering, 16(8): 42~48 (in Chinese with English abstract). Wang Jujie, Zeng Pusheng, Ma Jing, et al. 2015. Black rock series and associated minerals: An example of the Yangtze platform
[J]. Geology and Exploration, 51(4): 677~689 (in Chinese with English abstract). Wang Pengwan, Si Chunsong, Zhang Runhe, et al. 2016. Characteristic of the Cambrian carbonate paleo-ocean environment in the Dianqianbei depression and its geological significance
[J]. Acta Sedimentologica Sinica, 34(5): 811~818 (in Chinese with English abstract). Yang Fan, Xiao Rongge and Xia Xuehui. 2011. Sedimentary environment and geochemistry of the Kunyang phosphorite deposit in eastern Yunnan Province
[J]. Geology and Exploration, 47(2): 294~303 (in Chinese with English abstract). Yang Haiying, Xiao Jiafei, Hu Ruizhong, et al. 2020. Formation environment and metallogenic mechanism of Weng’an phosphorite in the Early Sinian, Central Guizhou Province
[J]. Journal of Palaeogeography, 22(5): 929~946 (in Chinese with English abstract). Yang Jiedong and Wang Zongzhe. 1989. Electron microscope study on pebble phosphorites of Meishucun section, Jinning, Yunnan province
[J]. Acta Sedimentologica Sinica, 7(2): 125~129 (in Chinese with English abstract). Yang Weidong and Zeng Yunfu. 1990. Systematic research on the origin of the phosphorites of Doushantuo stage central guiahou, China
[J]. Acta Sedimentologica Sinica, 8(3): 84~92 (in Chinese with English abstract). Yang Yuchuan, Peng Xianghui, Zhang Jun, et al. 2019. Sedimentary characteristics and phosphorite mineralization model of maidiping formation in Mabian area, Sichuan
[J]. Bulletin of Science and Technology, 35(1): 29~36 (in Chinese with English abstract). Yang Zhixian, Deng Quanjiang, Huo Zhengping, et al. 2016. Ore Forming Regularity and Resource Potential of Phosphorus Deposits in Yunnan
[M]. Beijing: Geological Publishing House, 1~153(in Chinese with English abstract). Yue Weihao, Gao Jianguo, Li Yuncan, et al. 2012. Metallogenic characteristics and resource potential estimation of sedimentary type phosphorite deposits in Yunnan Province
[J]. Geological Bulletin of China, 31(8): 1 323~1 331 (in Chinese with English abstract). Zeng Yunfu, Shen Lijuan, He Tinggui, et al. 1994. Sequence stratigraphy analysis of phosphorus-bearing rock series in Early Cambrian in eastern Yunnan
[J]. Mineralogy and Petrology, 14(3): 43~53(in Chinese). Zeng Yunfu and Yang Weidong. 1987. Mechanism of enrichment of Kunyang and Haikou phospharite deposits, Yunnan China
[J]. Acta Sedimentologica Sinica, 5(3): 19~27, 185(in Chinese with English abstract). Zhang Jun, Zhang Yu, Yang Yuchuan, et al. 2018. Sedimentary characteristics and mineralization of the phosphorite deposits in the Leibo ore field, Sichuan
[J]. Sedimentary Geology and Tethyan Geology, 38(4): 76~84 (in Chinese with English abstract). Zhou Chuanming, Zhang Junming, Li Guoxiang, et al. 1997. Cabbon and oxygen isotopic record of the early cambr ian fr om the xiaotan section, Yunnan, South China
[J]. Scientia Geologica Sinica, 32(2): 201~211(in Chinese). 陈其英. 1995. 磷块岩形成过程中的生物作用
[J]. 地质科学, 30(2): 153~158. 陈志明, 陈其英. 1987. 扬子地台早寒武世梅树村早期的古地理及其磷块岩展布特征
[J]. 地质科学, 22(3): 246~257. 邓小林, 姚超美, 江新华, 等. 2007. 川西南-滇东北地区磷矿的形成与富集
[J]. 化工矿产地质, 29(3): 139~140. 邓小林, 姚超美, 王吉平, 等. 2009. 扬子地区磷矿成矿规律
[J]. 化工矿产地质, 31(1): 1~12. 东野脉兴. 2001. 扬子地块陡山沱期与梅树村期磷矿区域成矿规律
[J]. 化工矿产地质, 23(4): 193~209. 戈宏儒, 罗朝舜, 李季. 1983. 云南东部早寒武世梅树村期磷块岩沉积环境及聚磷条件
[J]. 矿物岩石, 3(3): 11~20, 123. 金振奎, 石良, 高白水, 等. 2013. 碳酸盐岩沉积相及相模式
[J]. 沉积学报, 31(6): 965~979. 李皎, 何登发. 2014. 四川盆地及邻区寒武纪古地理与构造-沉积环境演化
[J]. 古地理学报, 16(4): 441~460. 李佐强, 陈敏, 卢君勇, 等. 2023. 川南马边黄家坪磷矿下寒武统麦地坪组沉积相特征及磷成矿模式研究
[J]. 地质力学学报, 29(1): 34~47. 刘宝珺, 许效松, 罗安屏, 等. 1987. 中国扬子地台西缘寒武纪风暴事件与磷矿沉积
[J]. 沉积学报, 5(3): 28~39, 186. 刘发禄, 黄菊芳, 杨振强. 1985. 川西早寒武世梅树村早期磷块岩特征及其沉积、成岩环境
[J]. 地质论评, 31(2): 149~157, 202~203. 刘建清, 何利, 江永富, 等. 2022. 四川雷波地区下寒武统麦地坪含磷地层研究及磷矿资源潜力分析
[J]. 中国地质, 49(6): 1 908~1 922. 刘永先, 戈定夷, 曾允孚, 等. 1994. 滇东磷块岩矿床中磷灰石的富集特征
[J]. 矿物岩石, 14(4): 17~36. 骆学全. 1993. 湘西磷块岩的沉积相及沉积模式
[J]. 岩相古地理, 13(3): 33~39. 米云川, 黄太平, 周骞, 等. 2021. 云南镇雄地区新发现羊场超大型磷矿沉积环境及资源潜力分析
[J]. 地质与勘探, 57(4): 808~824. 牟南, 吴朝东. 2005. 上扬子地区震旦—寒武纪磷块岩岩石学特征及成因分析
[J]. 北京大学学报(自然科学版), 41(4): 551~562. 王登芳, 毛铁, 陈蓉. 2016. 云南-贵州寒武系成磷期特征对比
[J]. 科学技术与工程, 16(8): 42~48. 王聚杰, 曾普胜, 麻菁, 等. 2015. 黑色岩系及相关矿产——以扬子地台为例
[J]. 地质与勘探, 51(4): 677~689. 王鹏万, 斯春松, 张润合, 等. 2016. 滇黔北坳陷寒武系碳酸盐岩古海洋环境特征及地质意义
[J]. 沉积学报, 34(5): 811~818. 杨帆, 肖荣阁, 夏学惠. 2011. 昆阳磷矿沉积环境与矿床地球化学
[J]. 地质与勘探, 47(2): 294~303. 杨海英, 肖加飞, 胡瑞忠, 等. 2020. 黔中瓮安早震旦世磷块岩的形成环境及成因机制
[J]. 古地理学报, 22(5): 929~946. 杨杰东, 王宗哲. 1989. 云南晋宁梅树村下寒武统砾屑磷块岩的扫描电镜研究
[J]. 沉积学报, 7(2): 125~129. 杨卫东, 曾允孚. 1990. 黔中陡山沱期磷块岩成因的系统研究
[J]. 沉积学报, 8(3): 84~92. 杨豫川, 彭向辉, 张君, 等. 2019. 四川马边麦地坪组磷矿沉积特征及其成矿模式
[J]. 科技通报, 35(1): 29~36. 杨志鲜. 2016. 云南省磷矿成矿规律及资源潜力
[M]. 北京: 地质出版社, 1~153. 岳维好, 高建国, 李云灿, 等. 2012. 云南沉积型磷矿成矿特征与资源潜力预测
[J]. 地质通报, 31(8): 1 323~1 331. 曾允孚, 沈丽娟, 何廷贵, 等. 1994. 滇东早寒武世含磷岩系层序地层分析
[J]. 矿物岩石, 14(3): 43~53. 曾允孚, 杨卫东. 1987. 云南昆阳、海口磷矿的富集机理
[J]. 沉积学报, 5(3): 19~27, 185. 张君, 张玙, 杨豫川, 等. 2018. 四川雷波矿集区磷矿沉积特征及成矿规律研究
[J]. 沉积与特提斯地质, 38(4): 76~84. 周传明, 张俊明, 李国祥, 等. 1997. 云南永善肖滩早寒武世早期碳氧同位素记录
[J]. 地质科学, 32(2): 201~211.

引用本文

米云川，杜斌，夏建峰，王枫*，周骞，黄太平，胡清华. 滇东北镇雄羊场磷矿区下寒武统梅树村组沉积环境及富集成矿机制 [J]. 岩石矿物学杂志. 2024; 43; (5). 1099 - 1118.

文献评论

相关学者

相关机构