-Stage 2-

Structural Geology

Typically topographic maps would come first, then geologic maps, and then structural geology, but since I feel it is useful to know the structures before dealing with them in map form I am doing them before the maps.

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Before we start, a quick lesson on strike and dip:

Strike and Dip

  • Rock Unit - Any group of rocks with similar properties that formed about the same time

  • Strike - The direction the rock unit forms on the earth's surface

  • Dip - The direction the rock is tilted in the earth

    • The angle of the dip is the written next to the strike and dip
    • The strike and dip symbols are always perpendicular to each other

Now onto the main portion of Structural Geology. There are 2 main divisions: