{"id":1688,"date":"2023-12-07T21:52:51","date_gmt":"2023-12-07T21:52:51","guid":{"rendered":"https:\/\/books.gw-project.org\/structural-geology-applied-to-fractured-aquifer-characterization\/?post_type=chapter&#038;p=1688"},"modified":"2023-12-11T15:21:15","modified_gmt":"2023-12-11T15:21:15","slug":"solution-exercise-13","status":"publish","type":"chapter","link":"https:\/\/books.gw-project.org\/structural-geology-applied-to-fractured-aquifer-characterization\/chapter\/solution-exercise-13\/","title":{"raw":"Solution Exercise 13","rendered":"Solution Exercise 13"},"content":{"raw":"The same direction and high dips toward opposite senses are typical characteristics of conjugate fractures formed in the extensional regime; both the acute angle between the veins (around 10\u00b0), and the infilling of the fractures indicate that these are conjugate hybrid fractures simultaneously propagated by opening and shear. In this tectonic regime, <span class=\"s23\"><em><span class=\"s23\">\u03c3<\/span><\/em><\/span><sub><span class=\"s31\">1<\/span><\/sub> is vertical and <span class=\"s23\"><em><span class=\"s23\">\u03c3<\/span><\/em><\/span><sub><span class=\"s31\">3<\/span><\/sub> is horizontal and perpendicular to the direction of the conjugate fractures. In this case, the direction of <span class=\"s23\"><em><span class=\"s23\">\u03c3<\/span><\/em><\/span><sub><span class=\"s31\">3<\/span><\/sub> is N20W.\r\n<p style=\"text-align: right;\"><a href=\"https:\/\/books.gw-project.org\/structural-geology-applied-to-fractured-aquifer-characterization\/chapter\/3-7-highlights-on-tectonic-regimes-and-groundwater-flow-with-opportunities-to-exercise-knowledge-gained-by-reading-sections-1-2-and-3\/#exercise-8\"><span style=\"text-decoration: underline;\"><strong>Click to return to where text linked to Exercise 13<\/strong><\/span><\/a><\/p>\r\n<p style=\"text-align: right;\"><a href=\"https:\/\/books.gw-project.org\/structural-geology-applied-to-fractured-aquifer-characterization\/chapter\/exercise-13\/\"><span style=\"text-decoration: underline;\"><strong>Return to Exercise 13<\/strong><\/span><\/a><\/p>\r\n&nbsp;","rendered":"<p>The same direction and high dips toward opposite senses are typical characteristics of conjugate fractures formed in the extensional regime; both the acute angle between the veins (around 10\u00b0), and the infilling of the fractures indicate that these are conjugate hybrid fractures simultaneously propagated by opening and shear. In this tectonic regime, <span class=\"s23\"><em><span class=\"s23\">\u03c3<\/span><\/em><\/span><sub><span class=\"s31\">1<\/span><\/sub> is vertical and <span class=\"s23\"><em><span class=\"s23\">\u03c3<\/span><\/em><\/span><sub><span class=\"s31\">3<\/span><\/sub> is horizontal and perpendicular to the direction of the conjugate fractures. In this case, the direction of <span class=\"s23\"><em><span class=\"s23\">\u03c3<\/span><\/em><\/span><sub><span class=\"s31\">3<\/span><\/sub> is N20W.<\/p>\n<p style=\"text-align: right;\"><a href=\"https:\/\/books.gw-project.org\/structural-geology-applied-to-fractured-aquifer-characterization\/chapter\/3-7-highlights-on-tectonic-regimes-and-groundwater-flow-with-opportunities-to-exercise-knowledge-gained-by-reading-sections-1-2-and-3\/#exercise-8\"><span style=\"text-decoration: underline;\"><strong>Click to return to where text linked to Exercise 13<\/strong><\/span><\/a><\/p>\n<p style=\"text-align: right;\"><a href=\"https:\/\/books.gw-project.org\/structural-geology-applied-to-fractured-aquifer-characterization\/chapter\/exercise-13\/\"><span style=\"text-decoration: underline;\"><strong>Return to Exercise 13<\/strong><\/span><\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"author":6,"menu_order":13,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-1688","chapter","type-chapter","status-publish","hentry"],"part":1650,"_links":{"self":[{"href":"https:\/\/books.gw-project.org\/structural-geology-applied-to-fractured-aquifer-characterization\/wp-json\/pressbooks\/v2\/chapters\/1688","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/books.gw-project.org\/structural-geology-applied-to-fractured-aquifer-characterization\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/books.gw-project.org\/structural-geology-applied-to-fractured-aquifer-characterization\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/books.gw-project.org\/structural-geology-applied-to-fractured-aquifer-characterization\/wp-json\/wp\/v2\/users\/6"}],"version-history":[{"count":4,"href":"https:\/\/books.gw-project.org\/structural-geology-applied-to-fractured-aquifer-characterization\/wp-json\/pressbooks\/v2\/chapters\/1688\/revisions"}],"predecessor-version":[{"id":2095,"href":"https:\/\/books.gw-project.org\/structural-geology-applied-to-fractured-aquifer-characterization\/wp-json\/pressbooks\/v2\/chapters\/1688\/revisions\/2095"}],"part":[{"href":"https:\/\/books.gw-project.org\/structural-geology-applied-to-fractured-aquifer-characterization\/wp-json\/pressbooks\/v2\/parts\/1650"}],"metadata":[{"href":"https:\/\/books.gw-project.org\/structural-geology-applied-to-fractured-aquifer-characterization\/wp-json\/pressbooks\/v2\/chapters\/1688\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/books.gw-project.org\/structural-geology-applied-to-fractured-aquifer-characterization\/wp-json\/wp\/v2\/media?parent=1688"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/books.gw-project.org\/structural-geology-applied-to-fractured-aquifer-characterization\/wp-json\/pressbooks\/v2\/chapter-type?post=1688"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/books.gw-project.org\/structural-geology-applied-to-fractured-aquifer-characterization\/wp-json\/wp\/v2\/contributor?post=1688"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/books.gw-project.org\/structural-geology-applied-to-fractured-aquifer-characterization\/wp-json\/wp\/v2\/license?post=1688"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}