{"id":439,"date":"2021-09-16T19:29:39","date_gmt":"2021-09-16T19:29:39","guid":{"rendered":"https:\/\/pressbooks.ccconline.org\/physicalgeology\/chapter\/chapter-12-geological-structures-physical-geology-2nd-edition\/"},"modified":"2021-09-16T19:43:11","modified_gmt":"2021-09-16T19:43:11","slug":"chapter-12-geological-structures-physical-geology-2nd-edition","status":"publish","type":"chapter","link":"https:\/\/pressbooks.ccconline.org\/physicalgeology\/chapter\/chapter-12-geological-structures-physical-geology-2nd-edition\/","title":{"raw":"Chapter 12 Geological Structures -- Physical Geology &#8211; 2nd Edition","rendered":"Chapter 12 Geological Structures &#8212; Physical Geology &#8211; 2nd Edition"},"content":{"raw":"\n\n<div class=\"part\" id=\"chapter-12-geological-structures\"><div class=\"part-title-wrap\"><h3 class=\"part-number\"><\/h3><h1 class=\"part-title\">Chapter 12 Geological Structures<\/h1><\/div><div><div>\n  &lt;!-- pb_fixme --&gt;\n  <div class=\"textbox textbox--learning-objectives\">\n    <div class=\"textbox__header\">\n      <p>After carefully reading this chapter, completing the exercises within it, and answering the questions at the end, you should be able to:<\/p>\n      <ul>\n        <li>Describe the types of stresses that exist within the Earth\u2019s crust.<\/li>\n        <li>Explain how rocks respond to those stresses by brittle, elastic, or plastic deformation, or by fracturing.<\/li>\n        <li>Summarize how rocks become folded and know the terms used to describe the features of folds.<\/li>\n        <li>Describe the conditions under which rocks fracture.<\/li>\n        <li>Summarize the different types of faults, including normal, reverse, thrust, and strike-slip.<\/li>\n        <li>Measure the strike and dip of a geological feature.<\/li>\n        <li>Plot strike and dip information on a map.<\/li>\n      <\/ul>\n    <\/div>\n  <\/div>\n  <div class=\"wp-caption aligncenter\" id=\"attachment_518\" style=\"width: 800px\">\n    <img src=\"https:\/\/pressbooks.ccconline.org\/physicalgeology\/wp-content\/uploads\/sites\/15\/2021\/09\/sedimentary-rocks-1.jpg\" alt=\"\" class=\"wp-image-518\" width=\"800\" height=\"583\">\n    <div class=\"wp-caption-text\" id=\"caption-attachment-518\">Figure 12.0.1&nbsp; A fold in sedimentary rocks near Golden and the Kickinghorse River, B.C. The coin in the middle is 26 mm across.<\/div>\n  <\/div>\n  <p>Observing and understanding geological structures helps us to determine the kinds of stresses that have existed within Earth\u2019s crust in the past.&nbsp; This type of information is critical to our understanding of plate tectonics, earthquakes, the formation of mountains, metamorphism, and Earth resources.&nbsp; Some of the types of geological structures that are important to study include bedding planes, planes of foliation, dykes and sills, fractures, faults, and folds.&nbsp; Structural geologists make careful observations of the orientations of these structures and the amount and direction of offset along faults.<\/p>\n  <h3>Media Attributions<\/h3>\n  <ul>\n    <li>Figure 12.0.1: \u00a9 Steven Earle. CC BY.<\/li>\n  <\/ul>\n  &lt;!-- pb_fixme --&gt;\n<\/div>\n<\/div><\/div>\n","rendered":"<div class=\"part\" id=\"chapter-12-geological-structures\">\n<div class=\"part-title-wrap\">\n<h3 class=\"part-number\"><\/h3>\n<h1 class=\"part-title\">Chapter 12 Geological Structures<\/h1>\n<\/div>\n<div>\n<div>\n  &lt;!&#8211; pb_fixme &#8211;&gt;<\/p>\n<div class=\"textbox textbox--learning-objectives\">\n<div class=\"textbox__header\">\n<p>After carefully reading this chapter, completing the exercises within it, and answering the questions at the end, you should be able to:<\/p>\n<ul>\n<li>Describe the types of stresses that exist within the Earth\u2019s crust.<\/li>\n<li>Explain how rocks respond to those stresses by brittle, elastic, or plastic deformation, or by fracturing.<\/li>\n<li>Summarize how rocks become folded and know the terms used to describe the features of folds.<\/li>\n<li>Describe the conditions under which rocks fracture.<\/li>\n<li>Summarize the different types of faults, including normal, reverse, thrust, and strike-slip.<\/li>\n<li>Measure the strike and dip of a geological feature.<\/li>\n<li>Plot strike and dip information on a map.<\/li>\n<\/ul><\/div>\n<\/p><\/div>\n<div class=\"wp-caption aligncenter\" id=\"attachment_518\" style=\"width: 800px\">\n    <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pressbooks.ccconline.org\/physicalgeology\/wp-content\/uploads\/sites\/15\/2021\/09\/sedimentary-rocks-1.jpg\" alt=\"\" class=\"wp-image-518\" width=\"800\" height=\"583\" \/><\/p>\n<div class=\"wp-caption-text\" id=\"caption-attachment-518\">Figure 12.0.1&nbsp; A fold in sedimentary rocks near Golden and the Kickinghorse River, B.C. The coin in the middle is 26 mm across.<\/div>\n<\/p><\/div>\n<p>Observing and understanding geological structures helps us to determine the kinds of stresses that have existed within Earth\u2019s crust in the past.&nbsp; This type of information is critical to our understanding of plate tectonics, earthquakes, the formation of mountains, metamorphism, and Earth resources.&nbsp; Some of the types of geological structures that are important to study include bedding planes, planes of foliation, dykes and sills, fractures, faults, and folds.&nbsp; Structural geologists make careful observations of the orientations of these structures and the amount and direction of offset along faults.<\/p>\n<h3>Media Attributions<\/h3>\n<ul>\n<li>Figure 12.0.1: \u00a9 Steven Earle. CC BY.<\/li>\n<\/ul>\n<p>  &lt;!&#8211; pb_fixme &#8211;&gt;\n<\/p><\/div>\n<\/div>\n<\/div>\n","protected":false},"author":8,"menu_order":92,"template":"","meta":{"pb_show_title":"on","pb_short_title":"","pb_subtitle":"","pb_authors":[],"pb_section_license":""},"chapter-type":[],"contributor":[],"license":[],"class_list":["post-439","chapter","type-chapter","status-publish","hentry"],"part":3,"_links":{"self":[{"href":"https:\/\/pressbooks.ccconline.org\/physicalgeology\/wp-json\/pressbooks\/v2\/chapters\/439","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pressbooks.ccconline.org\/physicalgeology\/wp-json\/pressbooks\/v2\/chapters"}],"about":[{"href":"https:\/\/pressbooks.ccconline.org\/physicalgeology\/wp-json\/wp\/v2\/types\/chapter"}],"author":[{"embeddable":true,"href":"https:\/\/pressbooks.ccconline.org\/physicalgeology\/wp-json\/wp\/v2\/users\/8"}],"version-history":[{"count":1,"href":"https:\/\/pressbooks.ccconline.org\/physicalgeology\/wp-json\/pressbooks\/v2\/chapters\/439\/revisions"}],"predecessor-version":[{"id":995,"href":"https:\/\/pressbooks.ccconline.org\/physicalgeology\/wp-json\/pressbooks\/v2\/chapters\/439\/revisions\/995"}],"part":[{"href":"https:\/\/pressbooks.ccconline.org\/physicalgeology\/wp-json\/pressbooks\/v2\/parts\/3"}],"metadata":[{"href":"https:\/\/pressbooks.ccconline.org\/physicalgeology\/wp-json\/pressbooks\/v2\/chapters\/439\/metadata\/"}],"wp:attachment":[{"href":"https:\/\/pressbooks.ccconline.org\/physicalgeology\/wp-json\/wp\/v2\/media?parent=439"}],"wp:term":[{"taxonomy":"chapter-type","embeddable":true,"href":"https:\/\/pressbooks.ccconline.org\/physicalgeology\/wp-json\/pressbooks\/v2\/chapter-type?post=439"},{"taxonomy":"contributor","embeddable":true,"href":"https:\/\/pressbooks.ccconline.org\/physicalgeology\/wp-json\/wp\/v2\/contributor?post=439"},{"taxonomy":"license","embeddable":true,"href":"https:\/\/pressbooks.ccconline.org\/physicalgeology\/wp-json\/wp\/v2\/license?post=439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}