Article(id=1307086675163763072, tenantId=1146029695717560320, journalId=1306274195778404443, issueId=1307086317918122434, articleNumber=null, orderNo=null, doi=10.12401/j.nwg.2025161, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1762790400000, receivedDateStr=2025-11-11, revisedDate=1767456000000, revisedDateStr=2026-01-04, acceptedDate=1768924800000, acceptedDateStr=2026-01-21, onlineDate=1789563347855, onlineDateStr=2026-09-16, pubDate=1776614400000, pubDateStr=2026-04-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789563347855, onlineIssueDateStr=2026-09-16, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789563347855, creator=13701087609, updateTime=1789563347855, updator=13701087609, issue=Issue{id=1307086317918122434, tenantId=1146029695717560320, journalId=1306274195778404443, year='2026', volume='59', issue='2', pageStart='1', pageEnd='328', issueExtLink='null', onlineDate='null', pubDate='1776614400000', pubDateStr='2026-04-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789563262680, creator='13701087609', updateTime=1789616239746, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1307308519917638393, tenantId=1146029695717560320, journalId=1306274195778404443, issueId=1307086317918122434, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1307308519917638394, tenantId=1146029695717560320, journalId=1306274195778404443, issueId=1307086317918122434, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=280, endPage=289, ext={EN=ArticleExt(id=1307086675335729537, articleId=1307086675163763072, tenantId=1146029695717560320, journalId=1306274195778404443, language=EN, title=Three-Dimensional Susceptibility Structure Analysis of the Gufang-Yangying Area in the Southeast of Fengning, Hebei, columnId=null, journalTitle=Northwestern Geology, columnName=null, runingTitle=null, highlight=null, articleAbstract=
The Gufang-Yangying area in the southeast of Fengning Manchu Autonomous County, Hebei Province, is located at the northern margin of the North China Craton, tectonically situated at the junction between the northern margin uplift belt of the North China Craton and the Chengde North Basin of the Yanshan-Liaoxi rift zone, adjacent to the Shangyi-Longhua regional fault. The area is dominated by metamorphic rock series of the Neoarchean Upper Chongli Group (Yangying and Aijiagou formations), with complex structures, well-developed folds, and iron deposits primarily consisting of sedimentary-metamorphic iron ore and ultra-poor magnetite, generally positioned along northeast-trending tight synclinal structures. Although previous geophysical surveys have been conducted, large-scale high-precision ground magnetic measurements remain insufficient, resulting in inadequate delineation of three-dimensional deep ore body structures and constraining deep prospecting efforts. This study, based on 1∶5000 high-precision ground magnetic survey data, employs reduction to pole, variable-height upward continuation, field separation, analytical signal, vertical derivative, and tilt derivative processing, combined with rock physical property statistics, and utilizes the open-source SimPEG framework for three-dimensional magnetic susceptibility inversion to reveal the spatial distribution characteristics of magnetic bodies within a 1 km depth range; rock physical properties indicate significant magnetic contrast between mineralized iron-bearing rocks and host rocks, providing a robust foundation for magnetic exploration. Inversion results show that magnetic bodies are distributed in a northeast-southwest trending strip-like pattern, mainly concentrated in the central-eastern and southwestern parts, highly consistent with known surface ore bodies and the Upper Chongli Group metamorphic series; vertically, they exhibit scattered distribution in shallow depths, concentrated and continuous in middle depths, and rapid weakening in deeper levels, with three-dimensional displays at different susceptibility thresholds further confirming that high-susceptibility zones are predominantly in the central-eastern part, forming large lens-shaped bodies that partially extend close to the surface, reflecting progressive thickening and enlargement of ore bodies along dip directions. The study confirms that sedimentary-metamorphic iron deposits in the area are controlled by Neoarchean regional metamorphism, conforming to the typical BIF-type metallogenic model at the northern margin of the North China Craton; high-precision three-dimensional susceptibility inversion effectively addresses the knowledge gap in deep structures under complex geological conditions, providing high-resolution geophysical evidence for precise localization of concealed ore bodies, with the central-eastern high-susceptibility zone representing the most favorable target for deep prospecting and warranting priority for drilling verification. These findings deepen understanding of deep metallogenic elements in the study area and offer reliable technical approaches and integrated geological-geophysical methodologies for deep prediction in similar sedimentary-metamorphic iron ore districts along the northern margin of the North China Craton.
, authors=Tao CHEN
1, 2, Ying RAO
1, 2, *, Jingli LIANG
3, 4, Hongfang ZHOU
3, Peng WANG
3, 4, Zhanxiang HE
5, authorsList=Tao CHEN, Ying RAO, Jingli LIANG, Hongfang ZHOU, Peng WANG, Zhanxiang HE, authorCompany=null, correspAuthors=Ying RAO, 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=1307086679811051924, articleId=1307086675163763072, tenantId=1146029695717560320, journalId=1306274195778404443, language=CN, title=河北丰宁东南部古房–杨营三维磁性结构分析, columnId=1307047819974570720, journalTitle=西北地质, columnName=非主题, runingTitle=null, highlight=null, articleAbstract=
河北省承德市丰宁满族自治县东南部古房–杨营一带位于华北陆块北缘,大地构造位置处于华北陆块北缘隆起带与燕山–辽西裂陷带承德北盆地的衔接部位,紧邻尚义–隆化区域断裂,区内以新太古界崇礼上岩群杨营岩组和艾家沟岩组变质岩系为主,构造复杂、褶皱发育,铁矿主要为沉积变质型铁矿和超贫磁铁矿,矿体总体沿NE向紧闭向斜构造定位。前人虽开展过多轮地球物理勘探,但大比例尺高精度地面磁测工作相对不足,导致深部矿体三维结构刻画不够精细,制约了深部找矿进展。笔者基于1∶5000高精度地面磁法测量数据,通过化极、不同高度向上延拓、场分离以及解析信号、垂向导数和斜导数等处理,结合岩石物性统计,利用SimPEG开源框架开展三维磁化率反演,揭示地下1 km深度范围内磁性体的空间分布特征。岩石物性显示,磁铁矿化岩石与围岩存在显著磁性对比,为磁法勘探提供了可靠基础。反演结果表明,磁性体整体呈NE–SW向条带状分布,主要集中于中东部和西南部,与地表已知矿体及崇礼上岩群变质岩系位置高度一致,垂向分布特征为浅部零散、中部集中连片、深部迅速减弱;不同磁化率阈值三维显示,进一步证实高磁化率区主要集中于中东部,呈大型透镜状,部分延伸接近地表,反映矿体沿倾斜方向逐步增厚变大的特征。研究证实,该区沉积变质型铁矿受新太古代区域变质作用控制,成矿模式符合华北陆块北缘典型BIF型铁矿特征,高精度三维磁化率反演有效弥补了复杂地质环境下深部结构的认知不足,为隐伏矿体精准定位提供了高分辨率地球物理证据,中东部高磁化率区是深部找矿最有利靶区,可优先指导钻探验证;该成果深化了对研究区深部成矿要素的理解,也为华北陆块北缘类似沉积变质型铁矿区的深部预测提供了可靠的技术方法与地质–地球物理集成思路。
, authors=陈涛
1, 2, 饶莹
1, 2, *, 梁景利
3, 4, 周红芳
3, 王鹏
3, 4, 何展翔
5, authorsList=陈涛, 饶莹, 梁景利, 周红芳, 王鹏, 何展翔, authorCompany=null, correspAuthors=饶莹, authorNote=
, correspAuthorsNote=
, copyrightStatement=版权所有©《西北地质》编辑部 2026, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=VUqO3/VXJUooUOaTQ8nfYQ==, magXml=oH+jRnVqfZ7UTdrhwUMl9A==, pdfUrl=null, pdf=K6sPN628DdF17C4zwSwPKA==, pdfFileSize=10915557, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=G2KQKQZNoDYhbreuVYcnig==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=OVk6zhR3Ru7LpJfDgMtfbw==, mapNumber=null, fund=null)}, authors=[Author(id=1307086896698511431, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, orderNo=0, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=chentaosx@hotmail.com, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1307086898376233034, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, authorId=1307086896698511431, language=EN, stringName=Tao CHEN, firstName=Tao, middleName=null, lastName=CHEN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1State Key Laboratory of Petroleum Resources and Engineering, China University of Petroleum (Beijing), Beijing 102249, China
2College of Geophysics, China University of Petroleum (Beijing), Beijing 102249, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1307086898439147595, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, authorId=1307086896698511431, language=CN, stringName=陈涛, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, address=
1油气资源与工程全国重点实验室,中国石油大学(北京),北京 102249
2中国石油大学(北京)地球物理学院,北京 102249, bio={"content":"
陈涛(1990−),男,副教授,长期从事应用地球物理教学与研究。E−mail:chentaosx@hotmail.com
"}, bioImg=null, bioContent=
陈涛(1990−),男,副教授,长期从事应用地球物理教学与研究。E−mail:chentaosx@hotmail.com
, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1307086895758987319, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, xref=1, ext=[AuthorCompanyExt(id=1307086895767375928, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, companyId=1307086895758987319, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1State Key Laboratory of Petroleum Resources and Engineering, China University of Petroleum (Beijing), Beijing 102249, China), AuthorCompanyExt(id=1307086895779958841, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, companyId=1307086895758987319, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1油气资源与工程全国重点实验室,中国石油大学(北京),北京 102249)]), AuthorCompany(id=1307086895838679098, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, xref=2, ext=[AuthorCompanyExt(id=1307086895847067707, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, companyId=1307086895838679098, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2College of Geophysics, China University of Petroleum (Beijing), Beijing 102249, China), AuthorCompanyExt(id=1307086895855456316, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, companyId=1307086895838679098, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2中国石油大学(北京)地球物理学院,北京 102249)])]), Author(id=1307086898699194445, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, orderNo=1, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=ying_rao@hotmail.com, emailSecond=null, emailThird=null, correspondingAuthor=1, authorType=1, ext={EN=AuthorExt(id=1307086898778886224, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, authorId=1307086898699194445, language=EN, stringName=Ying RAO, firstName=Ying, middleName=null, lastName=RAO, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, *, address=
1State Key Laboratory of Petroleum Resources and Engineering, China University of Petroleum (Beijing), Beijing 102249, China
2College of Geophysics, China University of Petroleum (Beijing), Beijing 102249, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1307086899114430545, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, authorId=1307086898699194445, language=CN, stringName=饶莹, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, *, address=
1油气资源与工程全国重点实验室,中国石油大学(北京),北京 102249
2中国石油大学(北京)地球物理学院,北京 102249, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1307086895758987319, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, xref=1, ext=[AuthorCompanyExt(id=1307086895767375928, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, companyId=1307086895758987319, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1State Key Laboratory of Petroleum Resources and Engineering, China University of Petroleum (Beijing), Beijing 102249, China), AuthorCompanyExt(id=1307086895779958841, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, companyId=1307086895758987319, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
1油气资源与工程全国重点实验室,中国石油大学(北京),北京 102249)]), AuthorCompany(id=1307086895838679098, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, xref=2, ext=[AuthorCompanyExt(id=1307086895847067707, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, companyId=1307086895838679098, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2College of Geophysics, China University of Petroleum (Beijing), Beijing 102249, China), AuthorCompanyExt(id=1307086895855456316, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, companyId=1307086895838679098, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2中国石油大学(北京)地球物理学院,北京 102249)])]), Author(id=1307086899181539411, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, 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=1307086899261231190, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, authorId=1307086899181539411, language=EN, stringName=Jingli LIANG, firstName=Jingli, middleName=null, lastName=LIANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, 4, address=
3Hebei Huakan Resource Environmental Survey Co., Ltd., Chengde 067000, Hebei, China
4Hebei Key Laboratory of Geological Resources Exploration and Ecological Protection, Chengde 067000, Hebei, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1307086899613552727, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, authorId=1307086899181539411, language=CN, stringName=梁景利, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, 4, address=
3河北华勘资环勘测有限公司,河北 承德 067000
4河北省地质资源勘探开发与生态保护重点实验室,河北 承德 067000, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1307086895922565181, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, xref=3, ext=[AuthorCompanyExt(id=1307086896170029118, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, companyId=1307086895922565181, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3Hebei Huakan Resource Environmental Survey Co., Ltd., Chengde 067000, Hebei, China), AuthorCompanyExt(id=1307086896178417727, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, companyId=1307086895922565181, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3河北华勘资环勘测有限公司,河北 承德 067000)]), AuthorCompany(id=1307086896258109504, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, xref=4, ext=[AuthorCompanyExt(id=1307086896266498113, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, companyId=1307086896258109504, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4Hebei Key Laboratory of Geological Resources Exploration and Ecological Protection, Chengde 067000, Hebei, China), AuthorCompanyExt(id=1307086896274886722, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, companyId=1307086896258109504, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
4河北省地质资源勘探开发与生态保护重点实验室,河北 承德 067000)])]), Author(id=1307086899705827417, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, orderNo=3, 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=1307086900016205915, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, authorId=1307086899705827417, language=EN, stringName=Hongfang ZHOU, firstName=Hongfang, middleName=null, lastName=ZHOU, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3Hebei Huakan Resource Environmental Survey Co., Ltd., Chengde 067000, Hebei, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1307086900360138844, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, authorId=1307086899705827417, language=CN, stringName=周红芳, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=
3河北华勘资环勘测有限公司,河北 承德 067000, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1307086895922565181, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, xref=3, ext=[AuthorCompanyExt(id=1307086896170029118, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, companyId=1307086895922565181, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3Hebei Huakan Resource Environmental Survey Co., Ltd., Chengde 067000, Hebei, China), AuthorCompanyExt(id=1307086896178417727, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, companyId=1307086895922565181, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
3河北华勘资环勘测有限公司,河北 承德 067000)])]), Author(id=1307086900452413534, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, orderNo=4, 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=1307086900792152161, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, authorId=1307086900452413534, language=EN, stringName=Peng WANG, firstName=Peng, middleName=null, lastName=WANG, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, 4, address=
3Hebei Huakan Resource Environmental Survey Co., Ltd., Chengde 067000, Hebei, China
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3河北华勘资环勘测有限公司,河北 承德 067000
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1油气资源与工程全国重点实验室,中国石油大学(北京),北京 102249)]), AuthorCompany(id=1307086895838679098, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, xref=2, ext=[AuthorCompanyExt(id=1307086895847067707, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, companyId=1307086895838679098, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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5南方科技大学地球与空间科学系,广东 深圳 518055)])], figs=[ArticleFig(id=1307086908471922810, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, language=EN, label=Fig.1, caption=
Geological structure map of the study area, figureFileSmall=Z7V31aPEO/TFKVEXkl1ZQA==, figureFileBig=G2KQKQZNoDYhbreuVYcnig==, tableContent=null), ArticleFig(id=1307086908824244347, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, language=CN, label=图1, caption=
研究区地质简图1. 全新世冲积、冲洪积物;2. 更新世马兰组黄土状砂土层;3. 白垩纪张家口组凝灰岩;4. 新太古界崇礼上岩群艾家沟岩组;5. 新太古界崇礼上岩群杨营岩组;6. 早侏罗世二长花岗岩;7. 古元古代晚期变质二长花岗岩;8. 古元古代晚期变质石榴二长花岗岩;9. 古元古代晚期变质花岗闪长岩;10. 古元古代晚期变质石英闪长岩;11. 古元古代晚期变质闪长岩;12. 古元古代晚期变质角闪辉长岩;13. 新太古代晚期奥长花岗质片麻岩;14. 新太古代晚期英云闪长质片麻岩;15. 新太古代晚期石英闪长质片麻岩;16. 新太古代晚期辉长质片麻岩;17. 变质二长花岗岩脉;18. 石英正长斑岩;19. 大理岩透镜体;20. 实测地质界线;21. 实测角度不整合地质界线;22. 渐变地质界线;23. 超动侵入界线;24. 实测深断层;25. 实测正断层;26. 实测逆断层;27. 实测平移断层;28. 性质不明断层;29. 韧性剪切带;30. 面理产状;31. 地层产状;32. 研究区范围
, figureFileSmall=Z7V31aPEO/TFKVEXkl1ZQA==, figureFileBig=G2KQKQZNoDYhbreuVYcnig==, tableContent=null), ArticleFig(id=1307086909210120316, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, language=EN, label=Fig.2, caption=
(a) Terrain and (b) RTP (reduction to pole) anomalies of the research area, figureFileSmall=T6K3w/jgdyCv1WstYXZOGQ==, figureFileBig=12TyCqd89Gzxg9RbE1F14A==, tableContent=null), ArticleFig(id=1307086909314977917, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, language=CN, label=图2, caption=
研究区高程图(a)和化极磁异常图(b), figureFileSmall=T6K3w/jgdyCv1WstYXZOGQ==, figureFileBig=12TyCqd89Gzxg9RbE1F14A==, tableContent=null), ArticleFig(id=1307086909667299454, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, language=EN, label=Fig.3, caption=
Upward continuations of the RTP magnetic anomalies of the research area, figureFileSmall=59yuEyFxP5cO2iPzac0h2Q==, figureFileBig=rQ01CRJhfOSvkc1DBSDJHQ==, tableContent=null), ArticleFig(id=1307086910028009599, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, language=CN, label=图3, caption=
研究区化极磁异常上延结果a. 向上延拓10 m;b. 向上延拓50 m;c. 向上延拓100 m;d. 向上延拓200 m;e. 向上延拓500 m;f. 向上延拓1000 m
, figureFileSmall=59yuEyFxP5cO2iPzac0h2Q==, figureFileBig=rQ01CRJhfOSvkc1DBSDJHQ==, tableContent=null), ArticleFig(id=1307086910111895680, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, language=EN, label=Fig.4, caption=
(a) Analytical signal amplitude, (b) vertical derivative, and (c) tilt-angle of the RTP anomaly, figureFileSmall=sAxfWb4/TEStaJDVd9C5ew==, figureFileBig=pSWXJIYS2h9BlrpYylYi6Q==, tableContent=null), ArticleFig(id=1307086910447440001, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, language=CN, label=图4, caption=
研究区化磁极异常的解析信号图(a)、垂向导数图(b)、斜导数图(c), figureFileSmall=sAxfWb4/TEStaJDVd9C5ew==, figureFileBig=pSWXJIYS2h9BlrpYylYi6Q==, tableContent=null), ArticleFig(id=1307086912125161602, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, language=EN, label=Fig.5, caption=
Residual RTP anomalies of the research area, figureFileSmall=0DXOtbDMXDZ/zWNhMv3IBA==, figureFileBig=Tf2UiNR13Ltpn7qHpFEKKw==, tableContent=null), ArticleFig(id=1307086912250990723, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, language=CN, label=图5, caption=
研究区局部磁异常, figureFileSmall=0DXOtbDMXDZ/zWNhMv3IBA==, figureFileBig=Tf2UiNR13Ltpn7qHpFEKKw==, tableContent=null), ArticleFig(id=1307086912536203396, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, language=EN, label=Fig.6, caption=
Convergence curve in inversion iteration, figureFileSmall=BB6nN+DdJ8UiwbvitUNKSA==, figureFileBig=mjBIoD/tJrJsnuGRldrYoA==, tableContent=null), ArticleFig(id=1307086912594923653, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, language=CN, label=图6, caption=
反演迭代中收敛曲线, figureFileSmall=BB6nN+DdJ8UiwbvitUNKSA==, figureFileBig=mjBIoD/tJrJsnuGRldrYoA==, tableContent=null), ArticleFig(id=1307086912662032518, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, language=EN, label=Fig.7, caption=
Plan view of magnetic susceptibility at different depths, figureFileSmall=QBjfuNFAOhYBITM8iPEREQ==, figureFileBig=9FFc3BGRSNrM1mm+pl/mEQ==, tableContent=null), ArticleFig(id=1307086912951439495, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, language=CN, label=图7, caption=
不同深度磁化率平面分布图a. 海拔740 m;b. 海拔640 m;c. 海拔540 m;d. 海拔440 m;e. 海拔340 m;f. 海拔240 m
, figureFileSmall=QBjfuNFAOhYBITM8iPEREQ==, figureFileBig=9FFc3BGRSNrM1mm+pl/mEQ==, tableContent=null), ArticleFig(id=1307086913022742664, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, language=EN, label=Fig.8, caption=
3D distribution of susceptibility volume with different cutoff values, figureFileSmall=mkgZZC+F/YgC151zbgVSTw==, figureFileBig=Z/zaDwxWUvMo+7LpRiijow==, tableContent=null), ArticleFig(id=1307086913089851530, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, language=CN, label=图8, caption=
不同磁化率异常体分布图a. 磁化率>0.005 SI;b. 磁化率>0.01 SI;c. 磁化率>0.03 SI;d. 磁化率>0.06 SI
, figureFileSmall=mkgZZC+F/YgC151zbgVSTw==, figureFileBig=Z/zaDwxWUvMo+7LpRiijow==, tableContent=null), ArticleFig(id=1307086913442173067, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, language=EN, label=Tab.1, caption=
Susceptibility of major rocks and ores in the surrounding areas of the study area
, figureFileSmall=null, figureFileBig=null, tableContent=
| 地层 | 岩性 | 磁化率平均值(10−3 SI) |
| 第四纪全新世 | 冲积、冲洪积物:砂砾石、砂土、砂层夹黏质砂土、砂质黏土及淤泥 | 0.10 |
| 第四纪更新世 | 马兰组:黄土状亚砂土、亚黏土及砂砾石层 | 0.11 |
| 中生界白垩纪 | 张家口组流纹质凝灰岩、流纹质熔结凝灰岩、流纹岩等 | 1.03 |
| 新太古界崇礼上岩群 | 艾家沟岩组片麻岩、斜长角闪岩夹大理岩 | 5.49 |
| 新太古界崇礼上岩群 | 杨营岩组片麻岩 | 6.61 |
| 早侏罗世 | 二长花岗岩 | 0.40 |
| 晚三叠世 | 二长花岗岩 | 0.45 |
| 晚二叠世 | 二长花岗岩 | 0.45 |
| 古元古代晚期 | 变质二长花岗岩 | 0.58 |
| 变质石榴二长花岗岩 | 0.77 |
| 变质花岗闪长岩 | 1.40 |
| 变质石英闪长岩 | 1.20 |
| 变质闪长岩 | 1.04 |
| 变质角闪辉长岩 | 3.44 |
| 新太古代晚期 | 奥长花岗质片麻岩 | 1.74 |
| 英云闪长质片麻岩 | 1.67 |
| 石英闪长质片麻岩 | 2.10 |
| 辉长质片麻岩(基性岩墙) | 3.30 |
| 脉岩 | 正长斑岩 | 0.91 |
| 矿体 | 磁铁石英岩 | 29.67 |
| 含磁铁石英角闪岩 | 18.20 |
| 围岩 | 杨营岩组片麻岩 | 6.61 |
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研究区周边区域主要岩矿石磁性参数
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| 地层 | 岩性 | 磁化率平均值(10−3 SI) |
| 第四纪全新世 | 冲积、冲洪积物:砂砾石、砂土、砂层夹黏质砂土、砂质黏土及淤泥 | 0.10 |
| 第四纪更新世 | 马兰组:黄土状亚砂土、亚黏土及砂砾石层 | 0.11 |
| 中生界白垩纪 | 张家口组流纹质凝灰岩、流纹质熔结凝灰岩、流纹岩等 | 1.03 |
| 新太古界崇礼上岩群 | 艾家沟岩组片麻岩、斜长角闪岩夹大理岩 | 5.49 |
| 新太古界崇礼上岩群 | 杨营岩组片麻岩 | 6.61 |
| 早侏罗世 | 二长花岗岩 | 0.40 |
| 晚三叠世 | 二长花岗岩 | 0.45 |
| 晚二叠世 | 二长花岗岩 | 0.45 |
| 古元古代晚期 | 变质二长花岗岩 | 0.58 |
| 变质石榴二长花岗岩 | 0.77 |
| 变质花岗闪长岩 | 1.40 |
| 变质石英闪长岩 | 1.20 |
| 变质闪长岩 | 1.04 |
| 变质角闪辉长岩 | 3.44 |
| 新太古代晚期 | 奥长花岗质片麻岩 | 1.74 |
| 英云闪长质片麻岩 | 1.67 |
| 石英闪长质片麻岩 | 2.10 |
| 辉长质片麻岩(基性岩墙) | 3.30 |
| 脉岩 | 正长斑岩 | 0.91 |
| 矿体 | 磁铁石英岩 | 29.67 |
| 含磁铁石英角闪岩 | 18.20 |
| 围岩 | 杨营岩组片麻岩 | 6.61 |
), ArticleFig(id=1307086913861603469, tenantId=1146029695717560320, journalId=1306274195778404443, articleId=1307086675163763072, language=EN, label=Tab.2, caption=
Susceptibility of major rocks and ores of the study area
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| 岩性 | 磁化率平均值(10−3 SI) |
砂砾石、砂土、砂层夹黏质砂土、 砂质黏土及淤泥 | 0.10 |
| 黄土状亚砂土、亚黏土及砂砾石层 | 0.11 |
| 黑云斜长角闪片麻岩 | 6.32 |
| 大理岩透镜体 | 0.14 |
| 黑云角闪斜长片麻岩 | 7.89 |
| 花岗质片麻岩 | 3.21 |
| 角闪斜长片麻岩 | 5.73 |
| 变质二长花岗岩 | 0.34 |
| 变质石英闪长岩 | 2.02 |
| 变质角闪辉长岩 | 3.97 |
| 奥长花岗质片麻岩 | 2.13 |
| 英云闪长质片麻岩 | 2.57 |
| 辉长质片麻岩(基性岩墙) | 5.24 |
| 磁铁石英岩 | 22.54 |
| 含磁铁石英角闪岩 | 18.52 |
| 含磁铁矿条带的片麻岩 | 16.67~25.74 |
| 超贫磁铁矿 | 13.85 |
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研究区主要岩矿石磁性参数
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| 岩性 | 磁化率平均值(10−3 SI) |
砂砾石、砂土、砂层夹黏质砂土、 砂质黏土及淤泥 | 0.10 |
| 黄土状亚砂土、亚黏土及砂砾石层 | 0.11 |
| 黑云斜长角闪片麻岩 | 6.32 |
| 大理岩透镜体 | 0.14 |
| 黑云角闪斜长片麻岩 | 7.89 |
| 花岗质片麻岩 | 3.21 |
| 角闪斜长片麻岩 | 5.73 |
| 变质二长花岗岩 | 0.34 |
| 变质石英闪长岩 | 2.02 |
| 变质角闪辉长岩 | 3.97 |
| 奥长花岗质片麻岩 | 2.13 |
| 英云闪长质片麻岩 | 2.57 |
| 辉长质片麻岩(基性岩墙) | 5.24 |
| 磁铁石英岩 | 22.54 |
| 含磁铁石英角闪岩 | 18.52 |
| 含磁铁矿条带的片麻岩 | 16.67~25.74 |
| 超贫磁铁矿 | 13.85 |
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