{"title":"地表地球物理测量在地质填图中的应用——以尼日利亚西南部基底杂岩为例","authors":"M.O. Olorunfemi, M.A. Opadokun","doi":"10.1016/0899-5362(87)90071-6","DOIUrl":null,"url":null,"abstract":"<div><p>The electrical anisotropy of the Basement Complex area of the University of Ife has been established using apparent resistivity maps.</p><p>The electrical anisotropy and hence inhomogeneity in the area is primarily due to foliation; structural trends of concealed basement rocks deduced from resistivity maps correlate significantly with strikes of foliation/geologic boundary.</p><p>It follows therefore that strikes of foliation of concealed solid rocks, in which the predominant structural feature is foliation or where the fracture/joint directions are generally in line with strikes of foliation, can be reasonably determined from surface geophysical measurements.</p></div>","PeriodicalId":100749,"journal":{"name":"Journal of African Earth Sciences (1983)","volume":"6 3","pages":"Pages 287-291"},"PeriodicalIF":0.0000,"publicationDate":"1987-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0899-5362(87)90071-6","citationCount":"17","resultStr":"{\"title\":\"On the application of surface geophysical measurement in geological mapping—the Basement Complex of Southwestern Nigeria as a case study\",\"authors\":\"M.O. Olorunfemi, M.A. Opadokun\",\"doi\":\"10.1016/0899-5362(87)90071-6\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The electrical anisotropy of the Basement Complex area of the University of Ife has been established using apparent resistivity maps.</p><p>The electrical anisotropy and hence inhomogeneity in the area is primarily due to foliation; structural trends of concealed basement rocks deduced from resistivity maps correlate significantly with strikes of foliation/geologic boundary.</p><p>It follows therefore that strikes of foliation of concealed solid rocks, in which the predominant structural feature is foliation or where the fracture/joint directions are generally in line with strikes of foliation, can be reasonably determined from surface geophysical measurements.</p></div>\",\"PeriodicalId\":100749,\"journal\":{\"name\":\"Journal of African Earth Sciences (1983)\",\"volume\":\"6 3\",\"pages\":\"Pages 287-291\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1987-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0899-5362(87)90071-6\",\"citationCount\":\"17\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of African Earth Sciences (1983)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0899536287900716\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of African Earth Sciences (1983)","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0899536287900716","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
On the application of surface geophysical measurement in geological mapping—the Basement Complex of Southwestern Nigeria as a case study
The electrical anisotropy of the Basement Complex area of the University of Ife has been established using apparent resistivity maps.
The electrical anisotropy and hence inhomogeneity in the area is primarily due to foliation; structural trends of concealed basement rocks deduced from resistivity maps correlate significantly with strikes of foliation/geologic boundary.
It follows therefore that strikes of foliation of concealed solid rocks, in which the predominant structural feature is foliation or where the fracture/joint directions are generally in line with strikes of foliation, can be reasonably determined from surface geophysical measurements.
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