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学者姓名：林木森
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Abstract ：
The Huangtian tungsten deposit is located in the northern margin of the Laojunshan polynietallic metallogenic zone in southeastern Yunnan. It is a newly discovered large-scale scheelite deposit in recent years. Scheelite is divided into two stages from early to late: scheelite-fluorite-quartz stage (scheelite I), scheelite-carbonate stage(scheelite II); Four types: scheelite I-a, scheelite I-b, scheelite II-a, scheelite II-b.The scheelite I-b and II have obvious oscillating rings.In order to determine the source and evolution of its ore-forming fluids, based on the detailed borehole core cataloging and the study of mineral microfabrication, LA-ICP-MS was used to analyze the trace and rare earth elements in scheelite at different stages. Our data show that the rare earth elements in scheelite are mainly controlled by the substitution mechanism of 3Ca-2REE +EHCa, the distribution of rare earth elements in scheelite is obviously mhomogeneous, but they are all LREE-enriched types, similar to the chondrite partition pattern of the Laojunshan granite. The LREE-MREE-HREE diagram of scheelite and the Sm/Nd ratio show that it is closely related to the Laojunshan granite.Except for some test points of early scheelite I-a, which showed negative Eu anomaly, the rest of the test points showed positive Eu anomaly, Eu also changes from the Eu dominated to Eu- dominated, and the content of Mo in scheelite also changed.lt gradually decreases, indicating that the oxygen fugacity of the ore-forming fluid decreases gradually from the early stage to the late stage. In addition, the Sr content(36.6x10 -619x10, average 206.25x10) in scheelite is relatively high, and the surrounding rocks of the deposit are mainly marine sedimentary carbonate rocks. It is speculated that the water-rock reaction is as follows: Ore-forming fluids provide a large amount of Sr and Ca. © 2023 China Geological Survey. All rights reserved.
Keyword ：
LA-ICP-MS LA-ICP-MS rare earth elements rare earth elements scheelite ore-forming fluids scheelite ore-forming fluids Southeast Yunnan Southeast Yunnan trace elements trace elements
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| GB/T 7714 | Zhou, R. , Lin, M. , Wu, J. et al. Source and evolution of ore-forming fluids in the Huangtian tungsten deposit in southeastern Yunnan: Constraints from geochemistry characteristics of scheelite; [滇东南荒田钨矿床成矿流体来源及演化: 来自白钨矿地球化学特征的约束] [J]. | Geological Bulletin of China , 2023 , 42 (10) : 1728-1744 . |
| MLA | Zhou, R. et al. "Source and evolution of ore-forming fluids in the Huangtian tungsten deposit in southeastern Yunnan: Constraints from geochemistry characteristics of scheelite; [滇东南荒田钨矿床成矿流体来源及演化: 来自白钨矿地球化学特征的约束]" . | Geological Bulletin of China 42 . 10 (2023) : 1728-1744 . |
| APA | Zhou, R. , Lin, M. , Wu, J. , Yi, Y. , Zhu, L. , Wang, Z. . Source and evolution of ore-forming fluids in the Huangtian tungsten deposit in southeastern Yunnan: Constraints from geochemistry characteristics of scheelite; [滇东南荒田钨矿床成矿流体来源及演化: 来自白钨矿地球化学特征的约束] . | Geological Bulletin of China , 2023 , 42 (10) , 1728-1744 . |
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Abstract ：
荒田钨矿床位于滇东南老君山多金属成矿区北缘,是近年来新发现的一处大型白钨矿床.白钨矿从早到晚共划分为 2个阶段:白钨矿-萤石-石英阶段(白钨矿Ⅰ)、白钨矿-碳酸盐阶段(白钨矿Ⅱ);根据产状又分为4 种类型:白钨矿Ⅰ-a、白钨矿Ⅰ-b、白钨矿Ⅱ-a、白钨矿Ⅱ-b.白钨矿Ⅰ-b、Ⅱ发育明显的振荡环带.为确定成矿流体来源及演化,在详细的钻孔岩心编录和矿物显微组构研究的基础上,利用LA-ICP-MS分析了不同阶段白钨矿中的微量及稀土元素.结果显示:白钨矿的稀土元素主要受 3Ca2+= 2REE3++□Ca(此处"□"指Ca的空位)的替换机制控制,稀土元素在白钨矿中的分布存在明显的不均一现象,但均为LREE富集型,与老君山花岗岩的球粒陨石配分模式类似,白钨矿LREE-MREE-HREE图解及Sm/Nd值显示,其与老君山花岗岩密切相关.除早期白钨矿Ⅰ-a部分测试点显示负Eu异常外,其余测试点均显示正Eu异常,Eu的价态也由Eu3+为主转变为Eu2+为主.白钨矿中Mo含量逐渐降低,表明成矿流体从早期到晚期氧逸度逐渐降低.此外,白钨矿中Sr含量(36.6×10-6～619×10-6,平均值 206.25×10-6)较高,矿床围岩主要为海相沉积碳酸盐岩,推测水岩反应为成矿流体提供了大量的Sr和Ca.
Keyword ：
LA-ICP-MS LA-ICP-MS 微量元素 微量元素 成矿流体 成矿流体 滇东南 滇东南 白钨矿 白钨矿 稀土元素 稀土元素
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| GB/T 7714 | 周瑞辉 , 林木森 , 吴久芳 et al. 滇东南荒田钨矿床成矿流体来源及演化:来自白钨矿地球化学特征的约束 [J]. | 地质通报 , 2023 , 42 (10) : 1728-1744 . |
| MLA | 周瑞辉 et al. "滇东南荒田钨矿床成矿流体来源及演化:来自白钨矿地球化学特征的约束" . | 地质通报 42 . 10 (2023) : 1728-1744 . |
| APA | 周瑞辉 , 林木森 , 吴久芳 , 易友根 , 朱律运 , 王中良 . 滇东南荒田钨矿床成矿流体来源及演化:来自白钨矿地球化学特征的约束 . | 地质通报 , 2023 , 42 (10) , 1728-1744 . |
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岩石学实验课程课上课下混合教学模式的教学方法是在传统教学模式基础上的拓展与延伸,旨在提高教学质量,调动学生的学习兴趣和培养科研创新能力。岩石学实验课程教学不局限在课堂,而是要根据实际情况就地取材,拓展岩石学实验教学的范围,变被动学习为主动学习,使学生接受更多的专业技能训练,全面培养具有较强实践动手能力和科研创新能力的地学专业人才。
Keyword ：
实践 实践 岩石学 岩石学 教学模式 教学模式 混合教学 混合教学
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| GB/T 7714 | 王力圆 , 林木森 . 岩石学实验课程混合教学模式探索与实践 [J]. | 实验室科学 , 2022 , 25 (01) : 146-148 . |
| MLA | 王力圆 et al. "岩石学实验课程混合教学模式探索与实践" . | 实验室科学 25 . 01 (2022) : 146-148 . |
| APA | 王力圆 , 林木森 . 岩石学实验课程混合教学模式探索与实践 . | 实验室科学 , 2022 , 25 (01) , 146-148 . |
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福建永泰百漈沟地质公园内地质遗迹类型丰富,其中保存较完整的古火山(有古火山口、火山断裂带和各种火山岩石)是中国东部白垩纪时代火山的典型代表,该公园是认识和研究古火山的天然博物馆. 百漈沟古火山属于复合型火山锥,是由火山喷溢与爆发活动交替进行形成的、由喷溢相流纹岩和爆发相火山碎屑岩互层产出的火山机构,爆发相向火山外围减薄,喷溢相向火山外围增厚.火山活动结束后,由于底部岩浆房空虚,通常会造成火山机构坍塌,形成环状断裂及以火山口为中心的放射性断裂带.百漈沟景区即沿着该火山机构其中一条北东向的放射性断裂带展布.
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| GB/T 7714 | 吴孟宇 , 林木森 . "长泡泡"的石头 [J]. | 中学地理教学参考 , 2022 , (3) : 79-80 . |
| MLA | 吴孟宇 et al. ""长泡泡"的石头" . | 中学地理教学参考 3 (2022) : 79-80 . |
| APA | 吴孟宇 , 林木森 . "长泡泡"的石头 . | 中学地理教学参考 , 2022 , (3) , 79-80 . |
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课程思政作为当前高校思想政治工作的新理念、新形式、新实践,是当前形势下各方高度关注的前沿问题,更是课程改革的重要内容。"地质认识实习"是资源勘查工程专业的必修课,是大一新生第一堂专业实践类课程,充分挖掘思政育人元素融入专业知识体系的教学过程,可以让学生在构建专业知识体系的同时进行正确价值观念的塑造,将专业育人与思政育人同频共振,契合当前的立德树人教育理念。
Keyword ：
地质认识实习 地质认识实习 思政教育 思政教育 融合 融合 课程改革 课程改革 资源勘查工程 资源勘查工程
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| GB/T 7714 | 林木森 , 李晓敏 , 肖爱芳 et al. 地质实践教学与思政教育的有机融合——以地质认识实习为例 [J]. | 教育教学论坛 , 2021 , (12) : 25-28 . |
| MLA | 林木森 et al. "地质实践教学与思政教育的有机融合——以地质认识实习为例" . | 教育教学论坛 12 (2021) : 25-28 . |
| APA | 林木森 , 李晓敏 , 肖爱芳 , 彭向东 . 地质实践教学与思政教育的有机融合——以地质认识实习为例 . | 教育教学论坛 , 2021 , (12) , 25-28 . |
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福建沿海广泛发育的白垩纪岩浆岩壳幔相互作用强烈,但对其构造-岩浆事件的细节过程仍存争议。本文对福州闽侯地区福州大学校园内的长安山闪长岩和流纹岩进行了岩石学、同位素年代学和地球化学研究。LA-ICP-MS锆石U-Pb定年结果表明长安山闪长岩年龄为107. 2±0. 3Ma,形成于早白垩世晚期;流纹岩的形成年龄为98. 6Ma左右,属晚白垩世早期的产物。闪长岩和流纹岩的锆石ε_(Hf)(t)值分别为-2. 1～+0. 5和-2. 7～+1. 1。流纹岩具有富硅、富碱、贫钙镁、高分异指数等特点,属弱过铝质岩石。轻稀土富集而重稀土亏损,具有明显的负Eu异常,部分样品具有A型流纹岩的亲缘性特点。流纹岩的...
Keyword ：
Hf同位素 Hf同位素 岩石成因 岩石成因 流纹岩 流纹岩 福州 福州 闪长岩 闪长岩
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| GB/T 7714 | 王力圆 , 彭向东 , 黄亮亮 et al. 福州闽侯地区长安山闪长岩和流纹岩的成因及地质意义 [J]. | 岩石学报 , 2020 , 36 (06) : 1833-1849 . |
| MLA | 王力圆 et al. "福州闽侯地区长安山闪长岩和流纹岩的成因及地质意义" . | 岩石学报 36 . 06 (2020) : 1833-1849 . |
| APA | 王力圆 , 彭向东 , 黄亮亮 , 林木森 , 张文慧 . 福州闽侯地区长安山闪长岩和流纹岩的成因及地质意义 . | 岩石学报 , 2020 , 36 (06) , 1833-1849 . |
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The Cretaceous igneous rocks experienced a strong crust-mantle interaction and widely developed along the coast of Fujian Province, but the details of this tectonic-magmatic event are still controversial. We report detailed petrography, geochronology, and geochemistry of the Changanshan diorite and rhyolite in Fuzhou University, which provided new evidence for the correlation between crust-mantle interaction. Zircon U-Pb geochronology of diorites and rhyolites yield ages of 107. 2 +/- 0. 3Ma and ca 98. 6Ma, respectively. It indicated that they were formed in the late Early Cretaceous to early Late Cretaceous. The zircon epsilon(Hf) (t) values in the diorites and rhyolites are -2. 1 similar to + 0. 5 and -2. 7 similar to + 1. 1 , respectively. The rhyolites are characterized by rich silicon and alkali, poor calcium and magnesium, high fractionation indexes, and thus belonging to weakly peraluminous rocks. The rhyolites samples show prominent pattern of relative enrichment in LREE, and strong negative Eu anomalies, similar chemically to typical A-type rhyolite. The magma source of the rhyolites was likely produced by interaction of asthenosphere melts with subduction-influenced enriched mantle wedge, and experienced fractional crystallization in the crust. The petrogenesis of diorite may be the mixing of water rich mantle magma and felsic crust magma produced by mantle magma underplating. In combination with the regional tectonic setting, these rocks were probablely formed in continental arc setting related to the subduction of oceanic crust.
Keyword ：
Diorite Diorite Fuzhou Fuzhou Hf isotope Hf isotope Petrogenesis Petrogenesis Rhyolite Rhyolite
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| GB/T 7714 | Wang LiYuan , Peng XiangDong , Huang LiangLiang et al. Petrogenesis and geological implications of the Changanshan diorite and rhyolite in Minhou area, Fuzhou [J]. | ACTA PETROLOGICA SINICA , 2020 , 36 (6) : 1833-1849 . |
| MLA | Wang LiYuan et al. "Petrogenesis and geological implications of the Changanshan diorite and rhyolite in Minhou area, Fuzhou" . | ACTA PETROLOGICA SINICA 36 . 6 (2020) : 1833-1849 . |
| APA | Wang LiYuan , Peng XiangDong , Huang LiangLiang , Lin MuSen , Zhang WenHui . Petrogenesis and geological implications of the Changanshan diorite and rhyolite in Minhou area, Fuzhou . | ACTA PETROLOGICA SINICA , 2020 , 36 (6) , 1833-1849 . |
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The mafic enclaves from Mesozoic intermediate-acid magmatic rocks, widely developed along Fujian coast, are considered to be the results of large-scale crust-mantle interaction and magma mixing. In this paper, petrography, mineralogy, and geochemistry of granites and mafic microgranular enclaves (MMEs) in Langqi Island are studied to provide new information for tracing crust-mantle interaction. The zircon U-Pb dating results show that the Langqi rocks were formed at similar to 101 Ma, which are metaluminous, enriched in silica and high-K calc-alkaline I-type granites. The enclaves have a typical magmatic structure, which is characterized by magma mixing between high-temperature basic magma and low-temperature acidic magma through injecting. The enclaves and host granites show a tendency to mixed major and trace elements, displaying a clear-cut contact relationship, which is indicative of coeval magmatism. The genesis of Langqi rocks is related to the extensional setting caused by the subduction of Paleo-Pacific Plate, and they are the results of mixing of subduction-related metasomatized mantle-derived mafic and induced crustal-melted granitic magma originating from partial melting of the crustal material.
Keyword ：
Fujian Fujian granite granite Langqi Langqi mafic microgranular enclaves mafic microgranular enclaves magma mixing magma mixing
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| GB/T 7714 | Huang, Liangliang , Wang, Liyuan , Fan, Hong-Rui et al. Late Early-Cretaceous Magma Mixing in the Langqi Island, Fujian Province, China: Evidences from Petrology, Geochemistry and Zircon Geochronology [J]. | JOURNAL OF EARTH SCIENCE , 2020 , 31 (3) : 468-480 . |
| MLA | Huang, Liangliang et al. "Late Early-Cretaceous Magma Mixing in the Langqi Island, Fujian Province, China: Evidences from Petrology, Geochemistry and Zircon Geochronology" . | JOURNAL OF EARTH SCIENCE 31 . 3 (2020) : 468-480 . |
| APA | Huang, Liangliang , Wang, Liyuan , Fan, Hong-Rui , Lin, Musen , Zhang, Wenhui . Late Early-Cretaceous Magma Mixing in the Langqi Island, Fujian Province, China: Evidences from Petrology, Geochemistry and Zircon Geochronology . | JOURNAL OF EARTH SCIENCE , 2020 , 31 (3) , 468-480 . |
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地质认识实习课程是资源勘查工程专业的必修课,是本科生步入地质学科的第一次野外实习,其教学效果对学生今后的专业学习和专业发展具有重要的影响.根据新工科人才培养要求,结合福州大学课程建设和教学改革要求,力图改变传统教学模式,在教学内容和教学方法方面实施改革,以期进一步提升野外地质实践教学质量,培养高素质地学人才.
Keyword ：
地质认识实习 地质认识实习 课程改革 课程改革 资源勘查工程 资源勘查工程
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| GB/T 7714 | 林木森 , 李晓敏 , 肖爱芳 . 新工科背景下地质实习类课程教学改革研究——以地质认识实习课程为例 [J]. | 大学教育 , 2020 , (11) : 88-90 . |
| MLA | 林木森 et al. "新工科背景下地质实习类课程教学改革研究——以地质认识实习课程为例" . | 大学教育 11 (2020) : 88-90 . |
| APA | 林木森 , 李晓敏 , 肖爱芳 . 新工科背景下地质实习类课程教学改革研究——以地质认识实习课程为例 . | 大学教育 , 2020 , (11) , 88-90 . |
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Many lamprophyre dykes occurring in north Guangxi province are probably the source rock for proximal diamond placer deposit, but their formation age has long been a pending geological issue. This study shows that phlogopites (phenocryst and matrix) in lamproite in the Rongshui area have a 40Ar-39Ar cooling age of 203~204 Ma, indicating that they formed in late Triassic. Analytical results show that the dykes are characterized by SiO2 content of 55.68%~56.85%, high K (K2O/Na2O=1.87~3.06) and high Mg# (71.90~73.20), enrichment of LREE and relative depletion of HREE with distinct differentiation between LREE and HREE, slightly Eu anomaly, enrichment of large ion lithophile elements (LILE) and depletion of high field strength elements (HFSE), geochemically suggesting that the dykes sourced from the enriched lithospheric mantle metasomatized by subduction-related fluids. This study shows that the Mesozoic lithospheric mantle under the southwestern margin of the Yangtze Carton is the an enriched mantle which experienced metasomatization of subduction fluid and thinning event due to lithospheric extension in the late Triassic, and its formation was probably related to the NW-trending subduction of the paleo-Pacific plate. © 2019, Science Press. All right reserved.
Keyword ：
Diamond deposits Diamond deposits Geochronology Geochronology Mica Mica Placers Placers Silica Silica Tectonics Tectonics
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| GB/T 7714 | Lin, Musen , Peng, Songbai , Wu, Changfeng et al. Geochemistry and Ar-Ar geochronology of the lamproites from the Rongshui area, North Guangxi province and their tectonic implications [J]. | Acta Geologica Sinica , 2019 , 93 (8) : 1985-1997 . |
| MLA | Lin, Musen et al. "Geochemistry and Ar-Ar geochronology of the lamproites from the Rongshui area, North Guangxi province and their tectonic implications" . | Acta Geologica Sinica 93 . 8 (2019) : 1985-1997 . |
| APA | Lin, Musen , Peng, Songbai , Wu, Changfeng , Wang, Xinyu , Wu, Xiangke . Geochemistry and Ar-Ar geochronology of the lamproites from the Rongshui area, North Guangxi province and their tectonic implications . | Acta Geologica Sinica , 2019 , 93 (8) , 1985-1997 . |
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