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贵州遵义铜锣井大型锰矿床地质特征

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贵州遵义铜锣井大型锰矿床位于鄂渝湘黔前陆褶皱冲断带西部,遵义次级成矿亚带的深溪-八里锰矿矿带.矿区主要出露地层为寒武系第三统-芙蓉统、奥陶系下统娄山关组,奥陶系下统桐梓组、红花园组、中-下统湄潭组,二叠系阳新统梁山组、栖霞组、茅口组,乐平统龙潭组、长兴组地层,三叠系下统夜郎组、中-下统嘉陵江组、中统关岭组地层,第四系.锰矿体产于二叠系阳新统茅口组第三段含锰岩系下部,呈层状、似层状产出,矿石结构主要为内碎屑结构,纹层状、斑杂状、块状构造,矿体厚度与含锰岩系厚度呈正相关,矿体厚度为 0.3～3.5 m,Mn 品位为 12%～31%,平均为19.27%.
Geological Characteristics of Large Manganese Deposits in Tongluojing,Zunyi,Guizhou,China
Tongluojing large-scale manganese deposit in Zunyi of Guizhou is located in the western part of the foreland fold and fault zone of Hubei-Chongqing-Guizhou.The deposit is located in the western part of EY-Xiang-Qian foreland folded alluvial belt.It is also in Shenxi-Bali manganese ore belt of the Zunyi subduction zone.The main strata exposed in the deposit are Cambrian Tertiary-Furongtong,including Ordovician Lower Series Loushanguan Formation,Ordovician Lower Tongzi Formation,Honghuayuan Formation,Middle-Lower Meitan Formation,Permian Yangxin Series Liangshan Formation,Qixia Formation,Maokou Formation,Leping Tong Longtan Formation,Changxing Formation,Triassic Lower Yelang Formation,Middle-Lower Jialingjiang Formation,Middle Series Guanling Formation,and Quaternary formations.The manganese ore body is produced in the lower part of the third section of manganese-bearing rock system of Maokou Formation of Yangxin Tunnel of Permian System.It occurs in layered and bed-like forms.The structure of the ore body is mainly in the intraformational clastic texture,with structures of stratified laminae,mottled,and massive.The thickness of the ore body and the thickness of manganese-bearing rock system are positively correlated with each other,with the thickness of the ore body ranging from 0.3 to 3.5 m.The grade of Mn ranging is from 12%to 31%with an average of 19.27%.

TongluojingManganese oreGeological featuresZunyi,Guizhou

代德飞、肖亮、陈登、肖林、姜先欢

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贵州省地矿局102 地质大队,贵州 遵义 563003

自然资源部基岩区矿产资源勘查工程技术创新中心,贵州 贵阳 550081

铜锣井 锰矿 地质特征 贵州遵义

贵州省锰矿资源预测评价科技创新人才团队贵州省优秀科技青年培养计划贵州省科技计划项目贵州省科技计划项目贵州省地矿矿产勘查开发局重大研究课题贵州省地矿矿产勘查开发局重大研究课题

黔科合平台人才[2018]5618黔科合平台人才[2019]5654黔科合战略找矿[2022]ZD003黔科合支撑[2019]2868黔地矿科合[2020]2黔地矿科合[2021]3

2024

10.14101/j.cnki.issn.1002-4336.2024.03.003

中国锰业
全国锰业技术委员会　湖南特种金属材料厂

中国锰业

CSTPCD
影响因子：0.432
ISSN：1002-4336
年,卷(期)：2024.42(3)
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