Query：
学者姓名：刘文元
Refining：
Year
Type
Indexed by
Source
Complex
Co-
Language
Clean All
Abstract ：
特提斯成矿域西段塞尔维亚Timok矿集区的Čukaru Peki属于典型的斑岩-高硫型超大型铜金矿床,具有典型的矿化蚀变分带.前人开展了该矿床的硫化物和蚀变分带的研究,但对于普遍发育的蚀变矿物——绿泥石的地球化学特征和找矿勘查指标缺乏研究.为此,文章以Čukaru Peki铜金矿床中斑岩型矿体的绿泥石为研究对象,利用显微镜、电子探针(EPMA)和激光剥蚀电感耦合等离子体质谱仪(LA-ICP-MS)分析技术,厘定了绿泥石类型和主、微量元素特征,探讨其找矿标志.结果表明,绿泥石的产状可划分为3种,分别为青磐岩化带Chl-1、绢英岩化带Chl-2和钾化带Chl-3,其中,青磐岩化带的绿泥石可进一步分为交代型(Chl-1a)和浸染型(Chl-1b)两个亚类.3类绿泥石均属于富Mg型绿泥石,其中,Chl-1绿泥石为斜绿泥石-鲕绿泥石,Chl-2和Chl-3绿泥石为透绿泥石-蠕绿泥石.绿泥石替代机制以Fe2+、Mg2+替代为主,同时存在TK((Si4+)Ⅳ+(Fe2+,Mg2+)Ⅵ=(Al3+)Ⅳ+(Al3+)Ⅵ)型和DT(2(Al3+,Fe3+)Ⅵ+□ Ⅵ=3(Fe2+,Mg2+)Ⅵ)型 2类替代机制.根据绿泥石温度计可知,钾化带的Chl-3绿泥石形成温度(约325℃)高于青磐岩化带的浸染型绿泥石(约257℃).相比于外围青磐岩化带的Chl-1,靠近热液中心的Chl-2和Chl-3绿泥石具有更高的Ti、K、V、Cr、含量和Ti/Pb、Ti/Li、Ti/Sr等比值,其Ti/Sr和Ti/Li比值随距矿体距离增大而降低,推测矿化热液中心在Čukaru Peki铜金矿床西北侧深部(1～2 km),并提出绿泥石Ti/Sr比值等可作为Čukaru Peki斑岩铜金矿体的找矿勘查指标.
Keyword ：
Čukaru Peki铜金矿床 Čukaru Peki铜金矿床 找矿预测 找矿预测 斑岩型铜金矿床 斑岩型铜金矿床 绿泥石 绿泥石
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | 郑航 , 张安顺 , 饶东平 et al. 塞尔维亚Čukaru Peki铜金矿床绿泥石地球化学特征和找矿指示 [J]. | 矿床地质 , 2025 , 44 (1) : 215-230 . |
| MLA | 郑航 et al. "塞尔维亚Čukaru Peki铜金矿床绿泥石地球化学特征和找矿指示" . | 矿床地质 44 . 1 (2025) : 215-230 . |
| APA | 郑航 , 张安顺 , 饶东平 , 谢桂青 , 单思齐 , 刘文元 et al. 塞尔维亚Čukaru Peki铜金矿床绿泥石地球化学特征和找矿指示 . | 矿床地质 , 2025 , 44 (1) , 215-230 . |
| Export to | NoteExpress RIS BibTex |
Version ：
Abstract ：
There are a large number of fahlores recognized in the Zijinshan ore field, including tetrahedrite, tennantite, Zn-rich tetrahedrite, goldfieldite, Bi-rich tetrahedrite, etc. The changes in their mineral composition have significance for the evolution of the ore-forming environment. This article presents a detailed study of the fahlores using electron probe analysis. The results indicate that in the Zijinshan Au-Cu deposit, fahlores are Te-rich in shallow zones and Zn-rich in deep zones. The Zijinshan Xi'nan deposit is generally Zn-rich, with a Bi-rich in middle levels. The Longjiangting deposit is Sb- and Zn-rich in shallow zones and As- and Bi-rich in deep zones, whereas the Yueyang deposit is Sb- and Zn-rich in shallow zones and Bi-rich in deep zones. The fahlores in the Zijinshan ore field often show zoning in backscattered images due to As and Sb variations. From the porphyry to high-sulfidation stages, fahlores evolve from Fe-rich to Zn-, Bi-, and Sb-rich, and finally to Te-rich. From the porphyry to low-sulfidation stages, fahlores transition from Bi-rich to Zn-rich and eventually to Ag-rich compositions. The discovered mineral assemblages of the fahlores are of great significance for understanding the framework of complex porphyry shallow hydrothermal environments and prospecting for underlying porphyry ore bodies in the Zijinshan ore field.
Keyword ：
fahlores fahlores porphyry-epithermal system porphyry-epithermal system Zijinshan ore field Zijinshan ore field
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | Long, Hua , Liu, Wenyuan , Chen, Jingwen et al. Compositional Evolution of Fahlores in the Zijinshan Porphyry-Epithermal Cu-Au-Mo-Ag Ore Field, China, and Implications for Prospecting [J]. | MINERALS , 2025 , 15 (4) . |
| MLA | Long, Hua et al. "Compositional Evolution of Fahlores in the Zijinshan Porphyry-Epithermal Cu-Au-Mo-Ag Ore Field, China, and Implications for Prospecting" . | MINERALS 15 . 4 (2025) . |
| APA | Long, Hua , Liu, Wenyuan , Chen, Jingwen , Qiu, Jianhuan , Li, Jieyi , Chen, Hui et al. Compositional Evolution of Fahlores in the Zijinshan Porphyry-Epithermal Cu-Au-Mo-Ag Ore Field, China, and Implications for Prospecting . | MINERALS , 2025 , 15 (4) . |
| Export to | NoteExpress RIS BibTex |
Version ：
Abstract ：
The Jilongshan Au-Cu skarn deposit is located at the Jiurui ore district of the Middle-Lower Yangtze River metallogenic belt (MLYB), which is a significant metallogenic belt for dispersed elements. The Jilongshan deposit hosts abundant critical metal elements (e.g., Se, Te, and Bi) and shows potential for the comprehensive utilization of these critical mineral resources. This study examines the mineralogical textures and compositions of sulfides and sulfosalts from the Jilongshan deposit through EPMA, TIMA, and LA-ICP-MS analyses to clarify the nature of the occurrence and distribution of Se and Te. Based on the host rocks, the ores can be divided into porphyry-hosted, marble-hosted, and skarn-hosted types. Selenium content is significantly higher in porphyry- hosted and skarn-hosted ores compared to marble-hosted ore, while Te is most abundant in marble-hosted ore. Apart from rare minerals such as clausthalite (PbSe), hessite (Ag2Te), and hedleyite (Bi7Te3), Se and Te predominantly occur as isomorphism within pyrite (similar to 70 %) and tetrahedrite (similar to 20 %). On the basis of mineral assemblages and textures, tetrahedrite can be recognized as three generations, including Ttr1 (replacing Fe-Cu sulfides), Ttr2 (intergrown with Pb-Zn sulfides), and Ttr3 (replacement of last pyrite). Selenium is enriched in minerals precipitated in the Fe-Cu stage, including hydrothermal pyrite, chalcopyrite, and Ttr1, with the average of 345 ppm, 183 ppm, and 592 ppm, respectively, while Te mainly concentrates in minerals formed in the Pb-Zn stage, such as galena (143 ppm), Ttr2 (3112 ppm), and Ttr3 (489 ppm). These findings align with previous studies on the Se-Te relationship and may indicate that Se is more likely to be enriched at a higher temperature, while Te exhibits the opposite trend. The variation in sulfur fugacity within fluid systems may also play a role in the enrichment of these critical elements. Additionally, the regional distribution and enrichment of Se and Te in the porphyry-skarn deposits of the MLYB also shows certain regularity. Selenium is more likely to be enriched in high-temperature porphyry ores, while Te is most abundant in relatively low-temperature interlayer ores.
Keyword ：
Au-Cu skarn Au-Cu skarn Critical minerals Critical minerals Jilongshan Jilongshan Selenium Selenium Tellurium Tellurium
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | Jiang, Jichen , Xu, Jing , Xie, Guiqing et al. Occurrence and distribution of Se and Te in the Jilongshan Au-Cu skarn deposit from the Middle-Lower Yangtze River metallogenic belt, China [J]. | ORE GEOLOGY REVIEWS , 2025 , 176 . |
| MLA | Jiang, Jichen et al. "Occurrence and distribution of Se and Te in the Jilongshan Au-Cu skarn deposit from the Middle-Lower Yangtze River metallogenic belt, China" . | ORE GEOLOGY REVIEWS 176 (2025) . |
| APA | Jiang, Jichen , Xu, Jing , Xie, Guiqing , Liu, Wenyuan , Cen, Zhihui , Chen, Suyu et al. Occurrence and distribution of Se and Te in the Jilongshan Au-Cu skarn deposit from the Middle-Lower Yangtze River metallogenic belt, China . | ORE GEOLOGY REVIEWS , 2025 , 176 . |
| Export to | NoteExpress RIS BibTex |
Version ：
Abstract ：
Porphyry copper systems contain porphyry Cu, skarn, carbonate-replacement and epithermal deposits, and presently supply nearly all the Te and Se, and have the potential to produce Co as by-product in the future. However, few studies have investigated the distribution of Co, Te, and Se in the specific porphyry-skarn deposit. Detailed mineralogical and geochemical analyses were conducted to investigate the distribution of Co, Te, and Se across porphyry, skarn, and carbonate-replacement ore types in the Tonglvshan porphyry-skarn Cu-Fe-Au deposit, Eastern China. The early sulfide stage in three ore types is characterized by Co-bearing pyrite (Py1a, Co up to 1.3 wt%) + droplet-like tetradymite +/- hessite +/- cattierite. The texture transition from coarse-grained, porefree to porous Py1a in porphyry and skarn type ores suggests a shift from stable physico-chemical conditions to gentle fluid boiling, resulting in the precipitation of Co- and Te-bearing minerals. In contrast, fine-grained euhedral Py1a in carbonate-replacement type ores implies rapid cooling from high-temperature fluid interaction with marble. The late sulfide stage, which only occurs in skarn and carbonate-replacement type ores, is characterized by Corich pyrite (Py2) + carrollite + hessite + Bi-sulfosalts. In skarn type ores, tetradymite-kawazulite solid solution (TKSS) + hessite + native Te + naumannite reflects intense boiling, leading to an increase in fO2 and pH that precipitates Py2b (Co up to 19.2 wt%) and carrollite, while Te and Se may precipitate through vapor phase condensation. Conversely, the presence of fine-grained carrollite, zoned Py2a, sphalerite, and galena in carbonate-replacement type ore suggests that rapid cooling and increasing pH, resulting from fluid mixing, played a significant role in the precipitation Co and Te. Furthermore, the porous texture resulting from coupled dissolution-reprecipitation (CDR) during the late sulfide stage also provided favorable conditions for the formation of micro-nano sized critical metal particles.
Keyword ：
Cobalt Cobalt Critical metal Critical metal Porphyry-skarn deposit Porphyry-skarn deposit Selenium Selenium Tellurium Tellurium Tonglvshan Tonglvshan
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | Wu, Xiaolin , Xie, Guiqing , Xu, Jing et al. Distribution of Co, Te, Se in porphyry copper systems: A case study of the Tonglvshan deposit, Eastern China [J]. | ORE GEOLOGY REVIEWS , 2024 , 174 . |
| MLA | Wu, Xiaolin et al. "Distribution of Co, Te, Se in porphyry copper systems: A case study of the Tonglvshan deposit, Eastern China" . | ORE GEOLOGY REVIEWS 174 (2024) . |
| APA | Wu, Xiaolin , Xie, Guiqing , Xu, Jing , Voudouris, Panagiotis , Liu, Wenyuan . Distribution of Co, Te, Se in porphyry copper systems: A case study of the Tonglvshan deposit, Eastern China . | ORE GEOLOGY REVIEWS , 2024 , 174 . |
| Export to | NoteExpress RIS BibTex |
Version ：
Abstract ：
Čukaru Peki铜金矿床位于特提斯成矿域西部塞尔维亚Timok矿集区,是近几年新发现的超大型斑岩-浅成低温热液型铜金矿床.该矿床主要产于晚白垩世角闪斜长安山岩中,具有明显的蚀变分带特征,是研究蚀变矿物勘查指标体系的理想对象.笔者结合钻孔编录信息,利用显微镜、电子探针和LA-ICP-MS分析技术,对该矿床中的绿帘石进行矿物化学成分分析.根据产状可将绿帘石划分为2类,分别为赋存于绢英岩化带中的绿帘石(Ⅰ型绿帘石)和赋存于青磐岩化带中的绿帘石(Ⅱ型绿帘石).电子探针分析结果表明,2类绿帘石中的n( Al)与n(Fe)、n(Ca)与n(Mn)均呈现负相关关系,n(Al)、n(Fe)、w( Mn)存在明显的差异,Ⅰ型绿帘石贫Fe、Mn,富Al元素,具有相对较低的XFe值,Ⅱ型绿帘石与之相反,富Fe、Mn,贫Al元素,具有相对较高的XFe值.结合矿相学特征,文章提出Ⅰ型绿帘石由斜长石蚀变而成,Ⅱ型绿帘石由角闪石蚀变而成,暗示绿帘石的主量元素变化受蚀变前的矿物控制.LA-ICP-MS分析测试结果表明,青磐岩化带中由深部至浅部Ⅱ型绿帘石的w(Pb)、w( Sb)、w(Ba)显示升高的趋势,浅部绿帘石具有较低的w(Mo);Ⅱ型绿帘石中的w(Mn)、n(Al)和w(Mg)随着深度的增加呈现出先升高后降低的变化趋势,w(As)、n(Fe)和n(Ca)呈现出相反的空间变化趋势.由于绿帘石的微量元素找矿指标变化受温度等物理化学条件的影响,根据Čukaru Peki铜金矿床绿帘石中的w(Mg)、w(Pb)、w(Sb)、w(Ba)、w( Mo)、w(Mn)、w(As)的空间变化规律,笔者推测该斑岩型矿床热液中心在Mn元素晕之下1～2 km处.笔者研究发现Ⅱ型绿帘石中的主量元素n(Al)和XFe与w(Mn)微量元素呈现类似的变化趋势,n(Ca)和n(Fe)与w(Mn)呈现相反的变化趋势,故Ⅱ型绿帘石中的n(Al)、XFe、n(Ca)和n(Fe)元素可以作为找矿勘查的新指标.
Keyword ：
Čukaru Peki铜金矿床 Čukaru Peki铜金矿床 主、微量元素 主、微量元素 找矿勘查 找矿勘查 斑岩铜金矿床 斑岩铜金矿床 绿帘石 绿帘石
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | 陈安顺 , 单思齐 , 谢桂青 et al. 塞尔维亚Čukaru Peki铜金矿床的热液绿帘石类型和成分及其找矿意义 [J]. | 矿床地质 , 2024 , 43 (4) : 918-934 . |
| MLA | 陈安顺 et al. "塞尔维亚Čukaru Peki铜金矿床的热液绿帘石类型和成分及其找矿意义" . | 矿床地质 43 . 4 (2024) : 918-934 . |
| APA | 陈安顺 , 单思齐 , 谢桂青 , 刘文元 , 张安顺 , 毛景文 et al. 塞尔维亚Čukaru Peki铜金矿床的热液绿帘石类型和成分及其找矿意义 . | 矿床地质 , 2024 , 43 (4) , 918-934 . |
| Export to | NoteExpress RIS BibTex |
Version ：
Abstract ：
Sulfosalt assemblages in a specimen from the Boliden Au-Cu-(As) deposit in northern Sweden, comprise micrometre to nanometre scale intergrowths of Se-rich izoklakeite and tintinaite with average formulae and calculated homologue number (N) given as: (Cu 1.88 Fe 0.18 )( 2.06) (Pb Ag-22.92 Cd-1.47 Zn-0.01 ( 0.01 )) (24.41) (Sb 13.12 Bi (8.69 ))( 21.8) (S 50.19 Se 6.43 Te (0.12) ) (56.73), N = 3.83, and (Cu 1.31 Fe (0.74) )( 2.05) (Pb (10.58) Ag Cd-0.18 Zn-0.05 (0.02) ) (10.83) (Sb 10.2 Bi (5.23 )) (15.43) (S 32.22 Se 2.46 )( 34.7) , N = 2.05, respectively. Tintinaite coexists with (Bi, Se)-rich jamesonite. High-angle annular dark field scanning transmission electron microscopy (HAADF STEM) imaging reveals chessboard structures comprising PbS and SnS modules with the number of atoms in the octahedral (M) sites counted as: n 1 = 18 and n 2 = 8 for tintinaite and n 1 = 30 and n 2 = 16 for izoklakeite. The homologue number can be calculated using the formula: N = (n1/6)-1 and N = n 2/4 for PbS and SnS modules giving N (Tti )= 2 and N- Iz = 4. A new N = 3 homologue, defined by n = 12 and n = 24 SnS and PbS modules, respectively, is identified as single or double units within areas with intergrowths between kobellite and izoklakeite. HAADF STEM imaging also reveals features attributable to lone electron pair micelles within the Sb-rich kobellite homologues. Atomic-resolution EDS STEM chemical mapping of Pb-Bi-Sb-sulfosalts shows a correlation with crystal structural modularity. The maps also highlight sites in the SnS modules of tintinaite in which Sb > Bi. Coherent nanoscale intergrowths between tintinaite and izoklakeite define jigsaw patterns evolving from chessboard structures and are considered to have formed during co-crystallisation of the two phases. Displacement textures and crosscutting veinlets (a few nm in width) are interpreted as evidence for superimposed syn-metamorphic deformation and are associated with the redistribution of Bi and Se. Imaging and mapping using HAADF STEM techniques is well suited to characterisation of Pb-Sb-Bi-sulfosalt phases, offering largely untapped potential to unravel the evolution of chessboard structures with applications across mineralogy but also extending into allied fields.
Keyword ：
Boliden Boliden HAADF STEM HAADF STEM izoklakeite izoklakeite kobellite homologous series kobellite homologous series nanoscale intergrowths nanoscale intergrowths tintinaite tintinaite
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | Ciobanu, Cristiana L. , Slattery, Ashley D. , Cook, Nigel J. et al. Kobellite homologues from the Boliden Au-Cu-(As) deposit, Sweden: jigsaw patterning via nanoscale intergrowths in chessboard structures: Nanominerals and mineral nanoparticles - thematic issue [J]. | MINERALOGICAL MAGAZINE , 2024 , 88 (5) : 515-535 . |
| MLA | Ciobanu, Cristiana L. et al. "Kobellite homologues from the Boliden Au-Cu-(As) deposit, Sweden: jigsaw patterning via nanoscale intergrowths in chessboard structures: Nanominerals and mineral nanoparticles - thematic issue" . | MINERALOGICAL MAGAZINE 88 . 5 (2024) : 515-535 . |
| APA | Ciobanu, Cristiana L. , Slattery, Ashley D. , Cook, Nigel J. , Wade, Benjamin P. , Ehrig, Kathy , Wagner, Thomas et al. Kobellite homologues from the Boliden Au-Cu-(As) deposit, Sweden: jigsaw patterning via nanoscale intergrowths in chessboard structures: Nanominerals and mineral nanoparticles - thematic issue . | MINERALOGICAL MAGAZINE , 2024 , 88 (5) , 515-535 . |
| Export to | NoteExpress RIS BibTex |
Version ：
Abstract ：
The supergiant Shuangjianzishan (SJS) Ag-Pb-Zn deposit, located in the southern Great Xing'an Range (SGXR), is the largest Ag deposit in China. The SJS deposit can be divided into two ore blocks: the Shuangjianzishan ore block and the Xinglongshan ore block. Given the importance of the Xinglongshan ore block in the SJS deposit, our work is focused on the Xinglongshan ore block. The vein orebodies in the Xionglongshan ore block mainly occur in the NW-, NNW-, and NNE-trending fault zones, and its mineralization is mainly related to a deep concealed syenogranite. Here, we present new geochronology, isotope geochemistry, and fluid inclusion data for the Xinglongshan ore block and provide additional insights into the metallogenic mechanism of the deposit. The dating results show that the syenogranite related to the mineralization formed at approximately 137 Ma, which is coherent with some previous age determinations in sulfides from the ore deposit. The mineralization of the Xinglongshan ore block can be divided into four stages: sphalerite-arsenopyrite-pyrite-chalcopyrite-quartz stage (stage I), sphalerite-galena-pyrite-silver-bearing mineral-quartz stage (stage II), sphalerite-galena-silver-bearing mineral-quartz-calcite stage (stage III), and weakly mineralized quartz-calcite stage (stage IV). Four types of fluid inclusions (FIs) have been identified within quartz and calcite veins: liquid-rich, gas-rich, pure-liquid, and pure-gas FIs. The homogenization temperatures in the four stages exhibit a gradual decrease, with stage I ranging from 253 to 302 degrees C, stage II from 203 to 268 degrees C, stage III from 184 to 222 degrees C, and stage IV from 153 to 198 degrees C, respectively. The salinity for stages I, II, III, and IV falls within the ranges of 3.4-6.6 wt% NaCl eqv., 2.6-7.2 wt% NaCl eqv., 2.9-7.0 wt% NaCl eqv., and 1.2-4.8 wt% NaCl eqv., respectively, indicative of a low-salinity ore-forming fluid. The delta 18Owater and delta D values of the ore-forming fluid span from -13.9 parts per thousand to 7.4 parts per thousand and -145 parts per thousand to -65 parts per thousand, with delta 13CV-PDB values between -11.0 parts per thousand and -7.9 parts per thousand. These values suggest that the ore-forming fluid predominantly originated from a mixture of magmatic and meteoric water. The 206Pb/204Pb, 207Pb/204Pb, and 208Pb/204Pb ratios of sulfides range from 18.278 to 18.361, 15.530 to 15.634, and 38.107 to 38.448, respectively. These ratios imply that the ore-forming material was primarily derived from the Early Cretaceous granitic magma, which resulted from the mixing of depleted mantle- and crustal-derived magmas. The fluid mixing was the dominant mechanism for mineral precipitation. The Xinglongshan ore block belongs to a magmatic-hydrothermal vein-type deposit related to the Early Cretaceous syenogranite, and the Shuangjianzishan ore block belongs to an intermediate sulfidation epithermal deposit related to coeval subvolcanic rocks. The Ag-Pb-Zn mineralization at Shuangjianzishan is genetically related to the Early Cretaceous volcanic-intrusive complex.
Keyword ：
fluid inclusion fluid inclusion H-O-C-Pb isotopes H-O-C-Pb isotopes Shuangjianzishan Ag-Pb-Zn deposit Shuangjianzishan Ag-Pb-Zn deposit southern Great Xing'an Range southern Great Xing'an Range volcanic-intrusive complex volcanic-intrusive complex zircon U-Pb age zircon U-Pb age
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | Shi, Jiangpeng , Wu, Guang , Chen, Gongzheng et al. Genesis of the Supergiant Shuangjianzishan Ag-Pb-Zn Deposit in the Southern Great Xing'an Range, NE China: Constraints from Geochronology, Isotope Geochemistry, and Fluid Inclusion [J]. | MINERALS , 2024 , 14 (1) . |
| MLA | Shi, Jiangpeng et al. "Genesis of the Supergiant Shuangjianzishan Ag-Pb-Zn Deposit in the Southern Great Xing'an Range, NE China: Constraints from Geochronology, Isotope Geochemistry, and Fluid Inclusion" . | MINERALS 14 . 1 (2024) . |
| APA | Shi, Jiangpeng , Wu, Guang , Chen, Gongzheng , Yang, Fei , Zhang, Tong , Jiang, Biao et al. Genesis of the Supergiant Shuangjianzishan Ag-Pb-Zn Deposit in the Southern Great Xing'an Range, NE China: Constraints from Geochronology, Isotope Geochemistry, and Fluid Inclusion . | MINERALS , 2024 , 14 (1) . |
| Export to | NoteExpress RIS BibTex |
Version ：
Abstract ：
Clogauite, ideally PbBi4Te4S3 is the new n = 1 member of the aleksite series, PbnBi4Te4Sn+2, where n is the homologue number. Clogauite is named from the type locality, the Clogau gold mine, Dolgellau Gold belt, Gwynedd, North Wales, United Kingdom. The mineral and name have been approved by the Commission on New Minerals, Nomenclature and Classification of the International Mineralogical Association (IMA2023-062). The aleksite series is an accretional homologous series in which each member is derived from the same 5-atom tetradymite archetype. Clogauite crystallises in the trigonal crystal system (space group: P3m1, #164). Three distinct polytypes of clogauite are recognised, corresponding to identical chemistry but different layer sequences, expressed as (57), (5559) and (557.559), respectively, in reference to the number of atoms in individual layer sequences. These are clogauite-12H, a = 4.277(4) & Aring;, c = 23.46(14) & Aring;, V = 371.598 & Aring;(3) and Z = 1; clogauite-24H, a = 4.278(4) & Aring;, c = 46.88(31) & Aring;, V = 743.053 & Aring;(3) and Z = 2; and clogauite-36H, a = 4.278(4) & Aring;, c = 70.36(32) & Aring;, V = 1115.283 & Aring;(3) and Z = 3. Clogauite is opaque, with a pale grey colour in reflected light. Reflectance is higher than tetradymite or galena. Bireflectance and anisotropy are strong. Structural data were determined from measurement of atomic-scale HAADF STEM imaging showing the internal arrangement of component atoms and characteristic selected area electron diffraction patterns for each polytype. The structures were then further constrained from ab initio total energy calculations and structure relaxation using density functional theory (DFT) using the measured parameters as input data. The relaxed crystal structure for each polytype was modelled to generate crystallographic information files (cif). STEM and electron diffraction simulations based on the crystallographic information data obtained from the DFT calculations show an excellent match to the empirical measurements.
Keyword ：
aleksite series aleksite series bismuth-lead chalcogenides bismuth-lead chalcogenides Clogau gold mine Clogau gold mine clogauite clogauite new mineral new mineral Wales Wales
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | Cook, Nigel J. , Ciobanu, Cristiana L. , Yao, Jie et al. Clogauite, PbBi4Te4S3, a new member of the aleksite series [J]. | MINERALOGICAL MAGAZINE , 2024 , 88 (4) : 461-472 . |
| MLA | Cook, Nigel J. et al. "Clogauite, PbBi4Te4S3, a new member of the aleksite series" . | MINERALOGICAL MAGAZINE 88 . 4 (2024) : 461-472 . |
| APA | Cook, Nigel J. , Ciobanu, Cristiana L. , Yao, Jie , Stanley, Christopher J. , Liu, Wenyuan , Slattery, Ashley et al. Clogauite, PbBi4Te4S3, a new member of the aleksite series . | MINERALOGICAL MAGAZINE , 2024 , 88 (4) , 461-472 . |
| Export to | NoteExpress RIS BibTex |
Version ：
Abstract ：
The Hebaoshan gold deposit (41.5 t Au @ 3.5 g/t) is located in the southeastern region of the South China Block, central part of the Wuyishan metallogenic belt. The ore-hosting rocks in this area are predominantly Precambrian metasedimentary rocks and Caledonian granitic rocks. Two hydrothermal mineralization stages can be distinguished: a quartz-sericite-pyrite-native gold (stage I) and a chlorite-quartz-sericite-chalcopyrite-electrum (stage II), with hydrothermal monazite and rutile are firstly identified in separate stages. The complex geological history of the region has resulted in ongoing debates regarding the age of gold mineralization and the genesis of the major gold deposits in this area. In order to precisely constrain the mineralization age of the deposit and further establish a genetic model for the ore deposit, LA-ICP-MS U-Pb dating and trace element analysis on accessory minerals were conducted. Based on the textures mineral assemblages, and geochemical features of the accessory minerals, magmatic apatite, hydrothermal rutile, and both magmatic and hydrothermal monazite were identified. The U-Pb ages of magmatic apatite and monazite are determined to be 445.3 f 15.80, 441.3 f 15.10 Ma and 446.57 f 1.03 Ma, respectively, suggesting that these ages represent the emplacement ages of the Caledonian intrusive rocks. The ages of hydrothermal monazite and hydrothermal rutile are determined to be 238.46 f 2.01 Ma (single-mineral analysis), 238.46 f 2.01 Ma (in-suit analysis) and 179.54 f 7.28 Ma, respectively, suggesting that represent two mineralization events during the Late Triassic to early Jurassic in the Hebaoshan area. These data provide new constraints on the mineralization process in the Hebaoshan deposit and excludes the link between gold mineralization and the intrusion of the Caledonian granites. Regionally, It is speculated that the two mineralization events at Hebaoshan are respectively associated with intracontinental orogenic movements between the Yangtze Block and Cathaysia Block, the flat-slab subduction of the PaleoPacific Plate (stage I), and the subsequent extensional tectonics related to the collision between the Yangtze Block and Cathaysia Block (stage II). Our study indicates that the timing of multiple episodic mineralization can be constrained by analysis of accessory minerals, which provides a geological basis for better genetic model for the deposit and provide geological evidence for unraveling the relationships between magmatic activities and mineralization events in the region.
Keyword ：
Apatite Apatite Hebaoshan Gold deposit Hebaoshan Gold deposit Monazite Monazite Rutile Rutile U-Pb dating U-Pb dating
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | Xiao, Zheng , Zheng, Jiahao , Zhao, Junfeng et al. Two stages of gold mineralization in the Hebaoshan deposit: Evidence from the U-Pb dating and trace element geochemistry of rutile, monazite and apatite [J]. | ORE GEOLOGY REVIEWS , 2024 , 170 . |
| MLA | Xiao, Zheng et al. "Two stages of gold mineralization in the Hebaoshan deposit: Evidence from the U-Pb dating and trace element geochemistry of rutile, monazite and apatite" . | ORE GEOLOGY REVIEWS 170 (2024) . |
| APA | Xiao, Zheng , Zheng, Jiahao , Zhao, Junfeng , Chen, Juan , Wu, Xiaolin , Liu, Wenyuan et al. Two stages of gold mineralization in the Hebaoshan deposit: Evidence from the U-Pb dating and trace element geochemistry of rutile, monazite and apatite . | ORE GEOLOGY REVIEWS , 2024 , 170 . |
| Export to | NoteExpress RIS BibTex |
Version ：
Abstract ：
The Zijinshan ore field is situated in the southeastern part of China. in which contains the large Zijinshan highsulfidation Cu-Au deposit, the Luoboling porphyry Cu-Mo deposit, the Yueyang low-sulfidation Au-Ag deposit, the Longjiangting and the Wuziqilong tansitional Cu deposit, and the Xi'nan porphyry Cu-Mo prospect. Debates on genetic relationship among these deposits, especially the relationship between the Zijinshan Cu-Au deposit and the adjacent Luoboling deposit is a question of importance for further exploration in this ore field. In this contribution, the alteration mineralogy, alteration texture, zonation and mineral chemistry, in combination with shortwave infrared spectroscopy (SWIR) analysis of white mica were used to help focus exploration and assessment of hydrothermal deposits in the Zijinshan ore field. In this study, diaspore-pyrophyllite alteration zone, chlorite-sericite alteration zone and propylitic alteration zone were first identified in the deep drill core of the Zijinshan Cu-Au deposit, which gives way upward to quartzalunite-kaolinite zone, quartz-alunite zone and the silicic alteration zone. In the Xi'nan Cu-Mo prospect, diaspore-pyrophyllite alteration zone was first recognized in the shallow level with the chlorite-sericite alteration zone and propylitic alteration zone in the deeper level. Andalusite- sericite +/- diaspore alteration zone was first recognized in the upper part of the Luoboling Cu-Mo deposit and the deeper part of the Wuziqilong Cu deposit. It indicates that a pervasive occurrence of diaspore-pyrophyllite +/- andalusite alteration zones in the Zijinshan ore field, which may potentially represent a transitional environment between the top of porphyry alteration zones and the base of advanced argillic alteration zones. Minerals of the white mica group are extensively distributed in various alteration zones of the Zijinshan ore field. The SWIR analysis of white mica indicated that the wavelength position of the Al-OH (similar to 2,200 nm; wAlOH) absorption feature increases gradually from the shallow kaolinitedickite alteration zone to the deep potassic alteration zone. In the advanced argillic alteration zones, the range of wAlOH values of white mica is less than 2205 nm. Conversely, in the porphyry alteration zones, it always exceeds 2205 nm. It is evident that the andalusite-sericite alteration zone with higher wAlOH values (average of 2203 nm) is always proximal to the porphyry mineralization, which may act as indicators for deep porphyry prospecting. The results of electron probe microanalysis (EPMA) reveal that the early enrichment of Mg and depletion of Fe in white mica can be attributed to the preferential incorporation of Fe into iron oxides and iron sulfides in the potassic and propylitic alteration zones. Overall, there is a negative correlation between wAlOH and Al, while wAlOH exhibits a positive correlation with the sum of Fe + Mg + Mn. The distribution characteristics of alteration zones and the variation patterns of the wAlOH of white mica indicate that there are probably several paleo-thermal centers in the deep parts of the Zijinshan ore field, located respectively in the deep parts of the Xi'nan Cu-Mo prospect and the deep part of the Zijinshan Cu-Au deposit and the deep parts of the Wuziqilong Cu deposit, and the latest seems to be more fertile and deserves further exploration.
Keyword ：
Alteration zone Alteration zone Mineral exploration Mineral exploration Shortwave infrared spectroscopy Shortwave infrared spectroscopy White mica White mica Zijinshan ore field Zijinshan ore field
Cite：
Copy from the list or Export to your reference management。
| GB/T 7714 | Qiu, Jianhuan , Liu, Wenyuan , Chen, Jingwen et al. Alteration mineralogy, characteristics and shortwave infrared spectroscopy of white mica in the Zijinshan ore field, Fujian Province: Implications for porphyry Cu prospecting [J]. | ORE GEOLOGY REVIEWS , 2024 , 168 . |
| MLA | Qiu, Jianhuan et al. "Alteration mineralogy, characteristics and shortwave infrared spectroscopy of white mica in the Zijinshan ore field, Fujian Province: Implications for porphyry Cu prospecting" . | ORE GEOLOGY REVIEWS 168 (2024) . |
| APA | Qiu, Jianhuan , Liu, Wenyuan , Chen, Jingwen , Lai, Xiaodan , Zhong, Xianghua , Li, Jieyi et al. Alteration mineralogy, characteristics and shortwave infrared spectroscopy of white mica in the Zijinshan ore field, Fujian Province: Implications for porphyry Cu prospecting . | ORE GEOLOGY REVIEWS , 2024 , 168 . |
| Export to | NoteExpress RIS BibTex |
Version ：
Export
| Results： |
Selected to |
| Format： |
