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Nature and conditions of gold mineralization at the Tau deposit, Mupane mine, Tati Greenstone Belt, Botswana: Evidence from fluid inclusion and arsenopyrite geothermometer 博茨瓦纳Tati绿岩带Mupane矿Tau矿床金矿化性质及成矿条件:流体包裹体和毒砂地温计证据
IF 1.4 4区 地球科学
Resource Geology Pub Date : 2023-01-01 DOI: 10.1111/rge.12316
Onameditse Lulu Seaba, A. Imai, K. Yonezu, Manuel Nopeia, Kemmonye Baliki
{"title":"Nature and conditions of gold mineralization at the Tau deposit, Mupane mine, Tati Greenstone Belt, Botswana: Evidence from fluid inclusion and arsenopyrite geothermometer","authors":"Onameditse Lulu Seaba, A. Imai, K. Yonezu, Manuel Nopeia, Kemmonye Baliki","doi":"10.1111/rge.12316","DOIUrl":"https://doi.org/10.1111/rge.12316","url":null,"abstract":"","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82350683","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mineralogical and sulfur isotopic characteristics of Archean greenstone belt‐hosted gold mineralization at the Tau deposit of the Mupane gold mine, Botswana 博茨瓦纳Mupane金矿Tau矿床太古宙绿岩带金矿化的矿物学和硫同位素特征
IF 1.4 4区 地球科学
Resource Geology Pub Date : 2023-01-01 DOI: 10.1111/rge.12305
Onameditse Lulu Seaba, A. Imai, K. Yonezu, Kemmonye Baliki
{"title":"Mineralogical and sulfur isotopic characteristics of Archean greenstone belt‐hosted gold mineralization at the Tau deposit of the Mupane gold mine, Botswana","authors":"Onameditse Lulu Seaba, A. Imai, K. Yonezu, Kemmonye Baliki","doi":"10.1111/rge.12305","DOIUrl":"https://doi.org/10.1111/rge.12305","url":null,"abstract":"","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74178854","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Chemical changes during endoskarn and porphyry‐style alteration and Cu—Fe exoskarn mineralization in the Tonglushan system, eastern China 铜绿山体系内矽卡岩和斑岩型蚀变及Cu-Fe外矽卡岩成矿过程中的化学变化
IF 1.4 4区 地球科学
Resource Geology Pub Date : 2023-01-01 DOI: 10.1111/rge.12319
Fei Zhang, Ben J. Williamson, Clemens V. Ullmann, Hannah S. R. Hughes
{"title":"Chemical changes during endoskarn and porphyry‐style alteration and Cu—Fe exoskarn mineralization in the Tonglushan system, eastern China","authors":"Fei Zhang, Ben J. Williamson, Clemens V. Ullmann, Hannah S. R. Hughes","doi":"10.1111/rge.12319","DOIUrl":"https://doi.org/10.1111/rge.12319","url":null,"abstract":"Element mobility and chemical mass transfer are evaluated in the formation of Cu—Fe exoskarn deposits and endoskarn and minor porphyry‐style alteration in the Tonglushan quartz monzodiorite (QMD) system, eastern China. Endoskarn formation involved the migration of Ca into the QMD from the exoskarnification of carbonates (now marble) xenoliths and wall rocks, addition of Fe and Mn by magmatic‐hydrothermal fluids emanating from the interior of the QMD, and removal of alkali elements due to the replacement of feldspars and mica by prograde skarn minerals. Zirconium, Hf, U, and rare earth elements (REE) were added by hydrothermal fluids which were able to carry these often poorly mobile high field strength elements (HFSE) due to elevated F activity. Additions of Al were likely from Na‐rich fluids that also caused sodic alteration. Several factors favored mineralization within the exoskarns rather than endoskarns and QMD. The endoskarns were relatively oxidizing, as evidenced by a significant addition of Fe3+, which caused Cu to remain in magmatic‐hydrothermal fluids until they entered and precipitated sulphides in the more reducing environment of the exoskarns. Fluid migration from the QMD through the endoskarns and into the exoskarns was favored due to decarbonation of wall rock carbonates and related upwards migration of CO2 to produce a self‐sustaining chimney effect, which drew further fluids towards the carbonates to form, alter and mineralize the exoskarns. The higher porosity and permeability of the endoskarns compared with the QMD further promoted the lateral flow of Cu‐bearing fluids towards the exoskarns and limited porphyry‐style alteration and mineralization within the QMD. This proposed mechanism is only likely to be relevant for porphyry‐type systems developed predominantly within carbonate host rocks. Its significance for exploration models is that relatively poorly mineralized porphyry stocks in this setting may be associated with more substantive exoskarn deposits on their margins.","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72929328","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Geology, mineralization and calcite‐rich potassic alteration at the Humpa Leu East ( HLE ) porphyry Cu‐Au prospect, Hu'u district, Sumbawa Island, Indonesia 印度尼西亚松巴哇岛胡乌地区Humpa Leu East (HLE)斑岩铜金远景区地质、成矿作用及富方解石钾蚀变
IF 1.4 4区 地球科学
Resource Geology Pub Date : 2023-01-01 DOI: 10.1111/rge.12309
Fadlin, R. Takahashi, A. Agangi, Hinako Sato, A. Idrus, B. Sutopo, Rachmat Pratiwinda
{"title":"Geology, mineralization and calcite‐rich potassic alteration at the Humpa Leu East (\u0000 HLE\u0000 ) porphyry\u0000 Cu‐Au\u0000 prospect, Hu'u district, Sumbawa Island, Indonesia","authors":"Fadlin, R. Takahashi, A. Agangi, Hinako Sato, A. Idrus, B. Sutopo, Rachmat Pratiwinda","doi":"10.1111/rge.12309","DOIUrl":"https://doi.org/10.1111/rge.12309","url":null,"abstract":"","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72681913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Geology, geochemistry, and genesis of gold mineralization in the Chifumbazi deposit of the Tete Province, Irumide Belt, Mozambique 莫桑比克伊鲁米德带太特省Chifumbazi金矿成矿地质、地球化学及成因
IF 1.4 4区 地球科学
Resource Geology Pub Date : 2023-01-01 DOI: 10.1111/rge.12308
Euclesia P. F. Cossa, A. Agangi, R. Takahashi, Pearlyn C. Manalo, A. Imai, V. Manjate
{"title":"Geology, geochemistry, and genesis of gold mineralization in the Chifumbazi deposit of the Tete Province, Irumide Belt, Mozambique","authors":"Euclesia P. F. Cossa, A. Agangi, R. Takahashi, Pearlyn C. Manalo, A. Imai, V. Manjate","doi":"10.1111/rge.12308","DOIUrl":"https://doi.org/10.1111/rge.12308","url":null,"abstract":"","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88326069","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Provenance discrimination and geodynamics analysis of open and island coasts, South East coast of India: Inference on heavy minerals and hydrodynamics 印度东南海岸开放海岸和岛屿海岸物源判别和地球动力学分析:重矿物和水动力学的推论
IF 1.4 4区 地球科学
Resource Geology Pub Date : 2023-01-01 DOI: 10.1111/rge.12311
Sathasivam Sathish, R. S. Kankara, P. Thanabalan, R. Arthur James
{"title":"Provenance discrimination and geodynamics analysis of open and island coasts, South East coast of India: Inference on heavy minerals and hydrodynamics","authors":"Sathasivam Sathish, R. S. Kankara, P. Thanabalan, R. Arthur James","doi":"10.1111/rge.12311","DOIUrl":"https://doi.org/10.1111/rge.12311","url":null,"abstract":"","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85350183","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In search for primary sources of placer diamonds of northeast Siberian craton: Evidence from the U–Pb ages and geochemistry of alluvial zircons 寻找东北西伯利亚克拉通砂石钻石的原始来源:来自冲积锆石的U-Pb年龄和地球化学证据
IF 1.4 4区 地球科学
Resource Geology Pub Date : 2023-01-01 DOI: 10.1111/rge.12317
E. Nikolenko, A. Agashev, Nikolay S. Tychkov, Anna M. Nikolenko, R. Zhelonkin, A. Ragozin, V. Afanasiev, N. Pokhilenko
{"title":"In search for primary sources of placer diamonds of northeast Siberian craton: Evidence from the U–Pb ages and geochemistry of alluvial zircons","authors":"E. Nikolenko, A. Agashev, Nikolay S. Tychkov, Anna M. Nikolenko, R. Zhelonkin, A. Ragozin, V. Afanasiev, N. Pokhilenko","doi":"10.1111/rge.12317","DOIUrl":"https://doi.org/10.1111/rge.12317","url":null,"abstract":"","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81278344","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
An integrated approach for rapid exploration of carbonatites and related mineral resources 快速勘探碳酸盐岩及相关矿产资源的综合方法
4区 地球科学
Resource Geology Pub Date : 2023-01-01 DOI: 10.1111/rge.12321
Asad Khan, Muhammad Ali, Saad Khan, Zaheen Ullah, Shah Faisal, Laeiq Ahmad
{"title":"An integrated approach for rapid exploration of carbonatites and related mineral resources","authors":"Asad Khan, Muhammad Ali, Saad Khan, Zaheen Ullah, Shah Faisal, Laeiq Ahmad","doi":"10.1111/rge.12321","DOIUrl":"https://doi.org/10.1111/rge.12321","url":null,"abstract":"Abstract Carbonatites are proven significant repositories of several critical and strategic elements such as rare earth elements, niobium, thorium, and uranium. Owing to their economic significance, mapping of carbonatites and associated mineral deposits has occupied prominent place in mineral resource exploration programs. In this study an integrated approach was developed to map carbonatite and related mineral deposits in the Loe‐Shilman, Northwest Himalaya of Pakistan, using remotely sensed advance space‐borne thermal emission and reflection radiometer (ASTER) multispectral data and visible near infrared and short‐wave infrared (VNIR‐SWIR) spectral characteristics of minerals in these deposits. Several image enhancement techniques, including band ratio (i.e., B4/B3), principal component and minimum noise fraction transformation (PC6 and MNF5, respectively) helped in highlighting the targeted rocks. The results demonstrate the suitability of ASTER data for discriminating carbonatite related mineral deposits from other surrounding lithologies. Results obtained from these methods were validated through field observations in the area and further confirmed through petrographic and chemical analyses of collected specimens. Field data have also served as training data to perform a supervised classification, allowing further improvement of the mapping results. Moreover, the obtained results from the techniques used for exploring carbonatites and related mineral deposits were stacked together for comparison with each other, to check their sensitivities, and assess their efficiency and accuracy. Generally, all these methods successfully highlighted carbonatites and related mineral deposits; however, when used integratively they exhibit higher degree of accuracy, and has proven to be relatively rapid and cost‐effective.","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136256845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lateral variations in the Hosen 8‐2 vein in the Hishikari deposit, Japan: Implications for high Au‐grade zone 日本石kari矿床Hosen 8‐2脉的横向变化:对高金品位带的启示
IF 1.4 4区 地球科学
Resource Geology Pub Date : 2023-01-01 DOI: 10.1111/rge.12318
Jonathan Macuroy, R. Takahashi, Akira Hara, Yoshinori Okaue, A. Imai, Pearlyn C. Manalo, Hinako Sato, A. Agangi
{"title":"Lateral variations in the Hosen 8‐2 vein in the Hishikari deposit, Japan: Implications for high Au‐grade zone","authors":"Jonathan Macuroy, R. Takahashi, Akira Hara, Yoshinori Okaue, A. Imai, Pearlyn C. Manalo, Hinako Sato, A. Agangi","doi":"10.1111/rge.12318","DOIUrl":"https://doi.org/10.1111/rge.12318","url":null,"abstract":"Lateral sampling of each blasting interval (~ 2.6 m) along a 79 m strike length was conducted for the Hosen 8‐2 vein on the −5 ML (mining level, meters relative to sea level) of the Main ore zone in the Hishikari epithermal Au deposit, Kagoshima, Japan. The horizontal variation of mineral textures, bulk chemical compositions, and fluid inclusion temperatures and apparent salinity of ore fluids were determined. The major gangue minerals of the quartz veins studied include quartz and adularia with minor amounts of calcite and smectite. The major ore minerals include electrum, galena, and sphalerite with minor pyrite, petzite, and hessite. Electrum commonly occurs in a discrete band with microcrystalline quartz, granular adularia, and smectite. The electrum‐bearing band is followed by tabular adularia, and finally by granular or comb quartz. Mineral textures that indicate high degrees of supersaturation with respect to amorphous silica (presently quartz with microcrystalline/mosaic and feathery textures) and adularia (with tabular, rhombic, and granular textures) were common throughout the vein strike. Bulk chemical analyses indicate that Au grade is positively correlated with Ag, Bi, Pb, and Te contents. A bonanza zone with Au grades up to 10,800 ppm occurs in the central part of the Hosen 8‐2 vein on the −5 ML, and is associated with high adularia content, calculated as adularia / (quartz + adularia). The wide lateral variation in the geochemical composition contrasts with the consistent association of electrum with microcrystalline quartz, granular adularia, and smectite throughout the Hosen 8‐2 vein on the −5 ML. Fluid inclusion microthermometry of primary and pseudosecondary inclusions in quartz and adularia yielded histogram modes of homogenization temperature between 160 and 240°C; the most frequent mode is 200–210°C, with most data within ±10°C from this value. The maximum ice‐melting temperature of most samples excluding late comb quartz is −1.5°C, which is equivalent to an apparent salinity of 2.6 wt% NaCl eq. The wide variation in ice‐melting temperatures and apparent salinities (up to 5.2 wt% NaCl eq.) may be due to dissolved CO2 in the fluids, while the sharp decrease in apparent salinity with temperature decrease indicates CO2 loss due to fluid boiling during vein formation. The intimate association of electrum with microcrystalline quartz that recrystallized from amorphous silica indicate sharp boiling and vapor loss as the primary mechanism of Au deposition in the Hosen 8‐2 vein.","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82034371","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Geochronology, geochemistry, and genesis of the Shamai tungsten deposit, Inner Mongolia , NE China 内蒙古沙脉钨矿年代学、地球化学及成因
IF 1.4 4区 地球科学
Resource Geology Pub Date : 2023-01-01 DOI: 10.1111/rge.12307
Qingsong Dong, Shaoshan Shi, Cong Wang, Gang Xue, Kai Hu, Zhili Sun
{"title":"Geochronology, geochemistry, and genesis of the\u0000 Shamai\u0000 tungsten deposit,\u0000 Inner Mongolia\u0000 ,\u0000 NE China","authors":"Qingsong Dong, Shaoshan Shi, Cong Wang, Gang Xue, Kai Hu, Zhili Sun","doi":"10.1111/rge.12307","DOIUrl":"https://doi.org/10.1111/rge.12307","url":null,"abstract":"","PeriodicalId":21089,"journal":{"name":"Resource Geology","volume":null,"pages":null},"PeriodicalIF":1.4,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86726212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"地球科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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