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→Cross Section
==Cross Section==
==Cross Section==
[[File:4.jpg|400px|thumbnail|{{figure number|4|}}How to make a cross section<ref>http://serc.carleton.edu/mathyouneed/slope/topoprofile.html</ref>]]
[[File:4.jpg|250px|thumbnail|{{figure number|4|}}How to make a cross section<ref>http://serc.carleton.edu/mathyouneed/slope/topoprofile.html</ref>]]
Geological maps can not be considered complete until there is at least one cross section has been created to show the geology below the surface. [[Cross section]] describes the structure of a region that is much clearer than a planimetris map.cross section can be drawn in addition to a map of the fair copy,and simplified again as an illustration in a cross section of the report.it can show geological formation boundary at depth,and can also be used to display a fault, cleavage and surface folds on the map.
Geological maps can not be considered complete until there is at least one cross section has been created to show the geology below the surface. [[Cross section]] describes the structure of a region that is much clearer than a planimetris map.cross section can be drawn in addition to a map of the fair copy,and simplified again as an illustration in a cross section of the report.it can show geological formation boundary at depth,and can also be used to display a fault, cleavage and surface folds on the map.