Article(id=1307086311630852667, tenantId=1146029695717560320, journalId=1306274195778404443, issueId=1307086088166732376, articleNumber=null, orderNo=null, doi=10.12401/j.nwg.2026004, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1764518400000, receivedDateStr=2025-12-01, revisedDate=1776787200000, revisedDateStr=2026-04-22, acceptedDate=1776873600000, acceptedDateStr=2026-04-23, onlineDate=1789563261181, onlineDateStr=2026-09-16, pubDate=1787155200000, pubDateStr=2026-08-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789563261181, onlineIssueDateStr=2026-09-16, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789563261181, creator=13701087609, updateTime=1789563261181, updator=13701087609, issue=Issue{id=1307086088166732376, tenantId=1146029695717560320, journalId=1306274195778404443, year='2026', volume='59', issue='4', pageStart='1', pageEnd='386', issueExtLink='null', onlineDate='null', pubDate='1787155200000', pubDateStr='2026-08-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1789563207904, creator='13701087609', updateTime=1789616196824, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1307308339885531645, tenantId=1146029695717560320, journalId=1306274195778404443, issueId=1307086088166732376, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1307308339885531646, tenantId=1146029695717560320, journalId=1306274195778404443, issueId=1307086088166732376, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=20, endPage=29, ext={EN=ArticleExt(id=1307086313195328060, articleId=1307086311630852667, tenantId=1146029695717560320, journalId=1306274195778404443, language=EN, title=Classification of Gold Deposit Types Based on Machine Learning and Pyrite Trace Element Geochemistry, columnId=null, journalTitle=Northwestern Geology, columnName=null, runingTitle=null, highlight=null, articleAbstract=
Pyrite is the most common gold bearing mineral in gold deposits, and its geochemical composition can effectively indicate mineralization processes. This study systematically compiles trace element data of pyrite from epithermal, porphyry, and orogenic gold deposits worldwide. Nine commonly used geochemical features are selected, and three machine learning models including the K nearest neighbors algorithm, random forest, and support vector machine are employed for model training, with the aim of establishing an efficient and accurate method for identifying gold deposit types based on pyrite composition. The evaluation results of model classification performance show that the classification accuracies of the trained K nearest neighbors, random forest, and support vector machine models are 0.89, 0.96, and 0.95, respectively. In addition, pyrite compositional data from the East Kunlun orogenic gold deposits that are not involved in model training are used for independent validation to assess the applicability and accuracy of the models in practical scenarios. The results indicate that all three models correctly identify these pyrites as mainly derived from orogenic gold deposits, among which the support vector machine model achieves the best performance with an accuracy of 0.88. To address the black box issue in machine learning, an interpretable machine learning method is further introduced to quantify the contributions of different pyrite trace element features to the classification results. The SHAP analysis reveals that As, Co, and Cu are the three most influential trace element features for distinguishing porphyry and orogenic gold deposits, whereas Cu, As, and Ni exert the greatest influence on the identification of epithermal gold deposits. The results demonstrate that trace elements in pyrite can serve as effective indicators for discriminating genetic types of gold deposits. In the future, combined with machine learning approaches, pyrite composition has the potential to be further extended to the identification and classification of other types of mineral deposits, providing new technical approaches for studies on ore genesis and mineral exploration prediction.
, authors=Jinghui NIU
1, Minggang WU
2, Fuquan TIAN
3, Dunfang QIU
3, Zichong SONG
3, Yonglin ZHANG
4, Dejiang FAN
1, Shihua ZHONG
1, *, authorsList=Jinghui NIU, Minggang WU, Fuquan TIAN, Dunfang QIU, Zichong SONG, Yonglin ZHANG, Dejiang FAN, Shihua ZHONG, authorCompany=null, correspAuthors=Shihua ZHONG, authorNote=null, correspAuthorsNote=null, copyrightStatement=Copyright © 2026 Northwestern Geology. All rights reserved., copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1307086317792285256, articleId=1307086311630852667, tenantId=1146029695717560320, journalId=1306274195778404443, language=CN, title=基于机器学习和黄铁矿微量元素识别金矿床类型, columnId=1307086183687811481, journalTitle=西北地质, columnName=人工智能在地质学领域的应用研究, runingTitle=null, highlight=null, articleAbstract=
黄铁矿是金矿床中最常见的载金矿物,其地球化学成分能有效指示成矿信息。笔者系统收集了全球浅成低温热液型、斑岩型和造山型金矿床中黄铁矿的微量元素数据,选取9种常见的地球化学特征,采用K近邻算法、随机森林和支持向量机3种机器学习模型进行模型训练,旨在建立一种基于黄铁矿成分高效、准确识别金矿床类型的新方法。模型分类性能评估结果显示,训练后的K近邻算法、随机森林和支持向量机模型的分类准确率分别为0.89、0.96和0.95。此外,文中采用未参与训练的东昆仑造山型金矿黄铁矿成分对训练模型进行独立验证,以评估其在实际应用中的适用性与准确性。结果表明,3种模型均能正确识别出这些黄铁矿主要来源于造山型金矿,其中支持向量机模型效果最佳,准确率达0.88。为克服机器学习的“黑匣子”问题,文中还引入机器学习可解释性方法,以揭示不同黄铁矿微量元素输入特征对分类结果的贡献。SHAP分析表明,在识别斑岩型和造山型金矿时,对模型输出结果影响最大的3个黄铁矿微量元素特征依次为As、Co和Cu,而在识别浅成低温热液型金矿时,黄铁矿的Cu、As和Ni含量对模型输出结果影响最大。研究结果表明,黄铁矿微量元素可作为区分金矿成因类型的有效标志。未来,结合机器学习方法,黄铁矿成分有望进一步拓展至其他类型矿床的识别与分类,为矿床成因研究与找矿预测提供新的技术途径。
, authors=牛警徽
1, 吴明刚
2, 田福泉
3, 邱敦方
3, 宋子崇
3, 张永林
4, 范德江
1, 钟世华
1, *, authorsList=牛警徽, 吴明刚, 田福泉, 邱敦方, 宋子崇, 张永林, 范德江, 钟世华, authorCompany=null, correspAuthors=钟世华, authorNote=
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, copyrightStatement=版权所有©《西北地质》编辑部 2026, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=X0XcMERPpd7YPvMcM+B4rA==, magXml=DCbt8WLMbtsgmy0TTw/NMA==, pdfUrl=null, pdf=94zRvkF8VW1QPFVFAiUWoQ==, pdfFileSize=1088609, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=t0P1yKhtsW3oidO2W1mnbw==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=4g1Ccfo3Q51OXsdzl0Wy0g==, mapNumber=null, fund=null)}, authors=[Author(id=1307086590669509525, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=niujinghui@163.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1307086590841475991, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, authorId=1307086590669509525, language=EN, stringName=Jinghui NIU, firstName=Jinghui, middleName=null, lastName=NIU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1College of Marine Geosciences, Ocean University of China, Qingdao 266100, Shandong, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1307086590921167768, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, authorId=1307086590669509525, language=CN, stringName=牛警徽, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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1中国海洋大学海洋地球科学学院,山东 青岛 266100, bio={"content":"
牛警徽(1996−),男,博士研究生,地质学专业。E−mail:niujinghui@163.com
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牛警徽(1996−),男,博士研究生,地质学专业。E−mail:niujinghui@163.com
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2江西工业贸易职业技术学院,江西 南昌 330038, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1307086590325576587, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, xref=2, ext=[AuthorCompanyExt(id=1307086590405268364, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, companyId=1307086590325576587, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2江西工业贸易职业技术学院,江西 南昌 330038)])]), Author(id=1307086593047679903, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, orderNo=2, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1307086593177703329, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, authorId=1307086593047679903, language=EN, stringName=Fuquan TIAN, firstName=Fuquan, middleName=null, lastName=TIAN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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3山东黄金矿业(金星)有限公司,山东 青岛 266748, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1307086590493348750, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, xref=3, ext=[AuthorCompanyExt(id=1307086590501737359, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, companyId=1307086590493348750, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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Box illustrations of trace elements of pyrite used for training in this paper, figureFileSmall=sqCy4jMBBYvWszyQm0C0Rg==, figureFileBig=t0P1yKhtsW3oidO2W1mnbw==, tableContent=null), ArticleFig(id=1307086597715940296, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, language=CN, label=图1, caption=
文中用于训练的黄铁矿微量元素箱状图, figureFileSmall=sqCy4jMBBYvWszyQm0C0Rg==, figureFileBig=t0P1yKhtsW3oidO2W1mnbw==, tableContent=null), ArticleFig(id=1307086597992764361, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, language=EN, label=Fig.2, caption=
Schematic diagram of KNN, RF, SVM, figureFileSmall=BIxElHvb6ld/URwQgTI1fw==, figureFileBig=BrsPbjB3MqoHlmIE2pDnFg==, tableContent=null), ArticleFig(id=1307086598055678922, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, language=CN, label=图2, caption=
机器学习模型原理简图a. KNN模型原理;b. RF模型原理;c. SVM模型原理
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Confusion matrix of machine learning model on test set, figureFileSmall=9i7uwZOGDgDG38D5BYsMQw==, figureFileBig=3zJhGm09vetRTnRR0iTqCQ==, tableContent=null), ArticleFig(id=1307086598219256780, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, language=CN, label=图3, caption=
机器学习模型测试集混淆矩阵, figureFileSmall=9i7uwZOGDgDG38D5BYsMQw==, figureFileBig=3zJhGm09vetRTnRR0iTqCQ==, tableContent=null), ArticleFig(id=1307086598286365645, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, language=EN, label=Fig.4, caption=
Confusion matrix of machine learning model on validation set, figureFileSmall=tUzufmIUVEgYY/oi6m4Z8w==, figureFileBig=v5gG7DTwRD6W75NQqy1NMg==, tableContent=null), ArticleFig(id=1307086598340891598, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, language=CN, label=图4, caption=
机器学习模型验证集混淆矩阵, figureFileSmall=tUzufmIUVEgYY/oi6m4Z8w==, figureFileBig=v5gG7DTwRD6W75NQqy1NMg==, tableContent=null), ArticleFig(id=1307086598412194767, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, language=EN, label=Fig.5, caption=
SHAP feature contribution plot for three types of ore deposits, figureFileSmall=CbUix/7EvlMHeEoqPZEEkA==, figureFileBig=tP8+dq5P9TPRMlbWiRTVyw==, tableContent=null), ArticleFig(id=1307086598483497936, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, language=CN, label=图5, caption=
不同类型矿床的SHAP特征贡献图, figureFileSmall=CbUix/7EvlMHeEoqPZEEkA==, figureFileBig=tP8+dq5P9TPRMlbWiRTVyw==, tableContent=null), ArticleFig(id=1307086598546412497, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, language=EN, label=Tab.1, caption=
The source of trace element data for pyrite used in the paper
, figureFileSmall=null, figureFileBig=null, tableContent=
| 地区 | 矿床名称 | 矿床类型 | 数据量 | 文献来源 |
| 伊朗 | Chah Zard金银矿 | 浅成低温热液型 | 62 | Kouhestani et al., 2017 |
| 印度尼西亚 | Bawone金矿,Binebase金矿 | 浅成低温热液型 | 63 | King et al., 2014 |
| 中国江西 | 德兴铜矿 | 斑岩型 | 4 | Reich et al., 2013 |
| 澳大利亚 | Chalkidiki斑岩铜矿 | 斑岩型 | 117 | Gregory et al., 2019 |
| 澳大利亚 | Cadia斑岩铜矿 | 斑岩型 | 614 | Gregory et al., 2019 |
| 意大利 | Apuan Alps矿床 | 造山型 | 77 | George et al., 2018 |
| 中国山东 | 新城金矿,焦家金矿 | 造山型 | 25 | Mills et al., 2015 |
| 中国江西 | 大桥金矿 | 造山型 | 13 | Wu et al., 2018 |
| 印度 | Hutti金矿,Hira-Buddini金矿 | 造山型 | 14 | Hazarika et al., 2018 |
| 澳大利亚 | Bendigo矿床 | 造山型 | 24 | Thomas et al., 2011 |
| 加拿大 | Spanish Mountain矿床 | 造山型 | 27 | Large et al., 2009 |
| 中国陕西 | 金龙山金矿 | 造山型 | 26 | Zhang et al., 2014 |
| 澳大利亚 | Darlot矿床 | 造山型 | 22 | Belousov et al., 2016 |
| 澳大利亚 | East Repulse矿床 | 造山型 | 44 | Belousov et al., 2016 |
| 澳大利亚 | Fortnum矿床 | 造山型 | 56 | Belousov et al., 2016 |
| 澳大利亚 | Golden Mile矿床 | 造山型 | 86 | Belousov et al., 2016 |
| 澳大利亚 | Granny Smith矿床 | 造山型 | 24 | Belousov et al., 2016 |
| 澳大利亚 | Lancefield矿床 | 造山型 | 18 | Belousov et al., 2016 |
| 澳大利亚 | Mars Pit矿床 | 造山型 | 34 | Belousov et al., 2016 |
| 澳大利亚 | Meekatharra Prohibition矿床 | 造山型 | 20 | Belousov et al., 2016 |
| 澳大利亚 | Micky Doolan Meekatharra矿床 | 造山型 | 18 | Belousov et al., 2016 |
| 澳大利亚 | Minjar矿床 | 造山型 | 20 | Belousov et al., 2016 |
| 澳大利亚 | Nathans Labouchere矿床 | 造山型 | 22 | Belousov et al., 2016 |
| 澳大利亚 | Paddington矿床 | 造山型 | 18 | Belousov et al., 2016 |
| 澳大利亚 | Songvang矿床 | 造山型 | 16 | Belousov et al., 2016 |
| 澳大利亚 | Sunrise Dam矿床 | 造山型 | 24 | Belousov et al., 2016 |
| 澳大利亚 | Victory矿床 | 造山型 | 50 | Belousov et al., 2016 |
| 澳大利亚 | Hill50矿床 | 造山型 | 40 | Belousov et al., 2016 |
| 澳大利亚 | Wallaby矿床 | 造山型 | 40 | Belousov et al., 2016 |
| 澳大利亚 | Wiluna矿床 | 造山型 | 124 | Belousov et al., 2016 |
), ArticleFig(id=1307086598659658706, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, language=CN, label=表1, caption=
文中使用的黄铁矿微量元素数据来源表
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| 地区 | 矿床名称 | 矿床类型 | 数据量 | 文献来源 |
| 伊朗 | Chah Zard金银矿 | 浅成低温热液型 | 62 | Kouhestani et al., 2017 |
| 印度尼西亚 | Bawone金矿,Binebase金矿 | 浅成低温热液型 | 63 | King et al., 2014 |
| 中国江西 | 德兴铜矿 | 斑岩型 | 4 | Reich et al., 2013 |
| 澳大利亚 | Chalkidiki斑岩铜矿 | 斑岩型 | 117 | Gregory et al., 2019 |
| 澳大利亚 | Cadia斑岩铜矿 | 斑岩型 | 614 | Gregory et al., 2019 |
| 意大利 | Apuan Alps矿床 | 造山型 | 77 | George et al., 2018 |
| 中国山东 | 新城金矿,焦家金矿 | 造山型 | 25 | Mills et al., 2015 |
| 中国江西 | 大桥金矿 | 造山型 | 13 | Wu et al., 2018 |
| 印度 | Hutti金矿,Hira-Buddini金矿 | 造山型 | 14 | Hazarika et al., 2018 |
| 澳大利亚 | Bendigo矿床 | 造山型 | 24 | Thomas et al., 2011 |
| 加拿大 | Spanish Mountain矿床 | 造山型 | 27 | Large et al., 2009 |
| 中国陕西 | 金龙山金矿 | 造山型 | 26 | Zhang et al., 2014 |
| 澳大利亚 | Darlot矿床 | 造山型 | 22 | Belousov et al., 2016 |
| 澳大利亚 | East Repulse矿床 | 造山型 | 44 | Belousov et al., 2016 |
| 澳大利亚 | Fortnum矿床 | 造山型 | 56 | Belousov et al., 2016 |
| 澳大利亚 | Golden Mile矿床 | 造山型 | 86 | Belousov et al., 2016 |
| 澳大利亚 | Granny Smith矿床 | 造山型 | 24 | Belousov et al., 2016 |
| 澳大利亚 | Lancefield矿床 | 造山型 | 18 | Belousov et al., 2016 |
| 澳大利亚 | Mars Pit矿床 | 造山型 | 34 | Belousov et al., 2016 |
| 澳大利亚 | Meekatharra Prohibition矿床 | 造山型 | 20 | Belousov et al., 2016 |
| 澳大利亚 | Micky Doolan Meekatharra矿床 | 造山型 | 18 | Belousov et al., 2016 |
| 澳大利亚 | Minjar矿床 | 造山型 | 20 | Belousov et al., 2016 |
| 澳大利亚 | Nathans Labouchere矿床 | 造山型 | 22 | Belousov et al., 2016 |
| 澳大利亚 | Paddington矿床 | 造山型 | 18 | Belousov et al., 2016 |
| 澳大利亚 | Songvang矿床 | 造山型 | 16 | Belousov et al., 2016 |
| 澳大利亚 | Sunrise Dam矿床 | 造山型 | 24 | Belousov et al., 2016 |
| 澳大利亚 | Victory矿床 | 造山型 | 50 | Belousov et al., 2016 |
| 澳大利亚 | Hill50矿床 | 造山型 | 40 | Belousov et al., 2016 |
| 澳大利亚 | Wallaby矿床 | 造山型 | 40 | Belousov et al., 2016 |
| 澳大利亚 | Wiluna矿床 | 造山型 | 124 | Belousov et al., 2016 |
), ArticleFig(id=1307086598798070739, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086311630852667, language=EN, label=Tab.2, caption=
Statistical table of trace elements in pyrite among three types of ore deposits
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| 元素 | 浅成低温热液型 | | 斑岩型 | | 造山型 |
| 含量 | 平均值 | | 含量 | 平均值 | | 含量 | 平均值 |
| Au | 0.01~166.00 | 12.35 | | 0.01~15.53 | 0.31 | | 0.01~415.00 | 10.77 |
| Co | 0.01~21417.67 | 1195.87 | | 0.02~9600.73 | 1097.80 | | 0.02~8082.00 | 366.98 |
| Ni | 0.06~3330.00 | 385.06 | | 0.06~9331.38 | 661.26 | | 0.27~8189.28 | 448.53 |
| Cu | 3.34~196448.00 | 9844.66 | | 0.01~8294.81 | 240.67 | | 0.06~6493.16 | 238.07 |
| Zn | 0.43~13383.00 | 277.82 | | 0.01~6218.86 | 33.75 | | 0.02~13609.00 | 122.69 |
| As | 0.83~76047.00 | 12013.62 | | 0.22~14022.31 | 699.22 | | 0.04~68931.00 | 3700.65 |
| Sb | 0.05~3459.00 | 249.44 | | 0.01~635.65 | 7.01 | | 0.01~5090.00 | 137.09 |
| Te | 0.11~1430.90 | 88.98 | | 0.01~3706.62 | 13.19 | | 0.03~720.70 | 16.92 |
| Pb | 0.05~7641.00 | 509.07 | | 0.01~1132.00 | 30.86 | | 0.01~9550.00 | 146.37 |
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不同矿床类型中黄铁矿微量元素统计表(10−6)
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| 元素 | 浅成低温热液型 | | 斑岩型 | | 造山型 |
| 含量 | 平均值 | | 含量 | 平均值 | | 含量 | 平均值 |
| Au | 0.01~166.00 | 12.35 | | 0.01~15.53 | 0.31 | | 0.01~415.00 | 10.77 |
| Co | 0.01~21417.67 | 1195.87 | | 0.02~9600.73 | 1097.80 | | 0.02~8082.00 | 366.98 |
| Ni | 0.06~3330.00 | 385.06 | | 0.06~9331.38 | 661.26 | | 0.27~8189.28 | 448.53 |
| Cu | 3.34~196448.00 | 9844.66 | | 0.01~8294.81 | 240.67 | | 0.06~6493.16 | 238.07 |
| Zn | 0.43~13383.00 | 277.82 | | 0.01~6218.86 | 33.75 | | 0.02~13609.00 | 122.69 |
| As | 0.83~76047.00 | 12013.62 | | 0.22~14022.31 | 699.22 | | 0.04~68931.00 | 3700.65 |
| Sb | 0.05~3459.00 | 249.44 | | 0.01~635.65 | 7.01 | | 0.01~5090.00 | 137.09 |
| Te | 0.11~1430.90 | 88.98 | | 0.01~3706.62 | 13.19 | | 0.03~720.70 | 16.92 |
| Pb | 0.05~7641.00 | 509.07 | | 0.01~1132.00 | 30.86 | | 0.01~9550.00 | 146.37 |
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Statistical table of machine learning model evaluation metrics
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| 模型 | 数据类型 | 查准率 | 召回率 | F1-score | 准确率 |
| KNN模型 | 浅成低温热液型 | 0.63 | 0.88 | 0.73 | 0.89 |
| 斑岩型 | 0.88 | 0.95 | 0.92 |
| 造山型 | 0.96 | 0.85 | 0.90 |
| RF模型 | 浅成低温热液型 | 0.82 | 0.92 | 0.87 | 0.96 |
| 斑岩型 | 0.98 | 0.95 | 0.97 |
| 造山型 | 0.97 | 0.98 | 0.98 |
| SVM模型 | 浅成低温热液型 | 1.00 | 0.64 | 0.78 | 0.95 |
| 斑岩型 | 0.97 | 0.96 | 0.97 |
| 造山型 | 0.93 | 0.98 | 0.95 |
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机器学习模型评估指标统计表
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| 模型 | 数据类型 | 查准率 | 召回率 | F1-score | 准确率 |
| KNN模型 | 浅成低温热液型 | 0.63 | 0.88 | 0.73 | 0.89 |
| 斑岩型 | 0.88 | 0.95 | 0.92 |
| 造山型 | 0.96 | 0.85 | 0.90 |
| RF模型 | 浅成低温热液型 | 0.82 | 0.92 | 0.87 | 0.96 |
| 斑岩型 | 0.98 | 0.95 | 0.97 |
| 造山型 | 0.97 | 0.98 | 0.98 |
| SVM模型 | 浅成低温热液型 | 1.00 | 0.64 | 0.78 | 0.95 |
| 斑岩型 | 0.97 | 0.96 | 0.97 |
| 造山型 | 0.93 | 0.98 | 0.95 |
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Statistical table of accuracy scores for machine learning models on validation set
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| 模型 | KNN模型 | RF模型 | SVM模型 |
| 得分 | 0.72 | 0.81 | 0.88 |
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机器学习模型验证集准确率得分统计表
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| 模型 | KNN模型 | RF模型 | SVM模型 |
| 得分 | 0.72 | 0.81 | 0.88 |
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