Contact - Approximately located



    Gradational contact representing facies change



    High-angle normal fault - Dashed where approximately located,
    dotted where concealed; bar and ball on downthrown side



    Low-angle normal fault - Dashed where approximately located,
    dotted where concealed; hachured on upper plate



    Thrust fault - Dashed where approximately located, dotted
    where concealed; sawteeth on upper plate



    Younger-over-older fault -  Dashed where approximately located,
    dotted where concealed; open teeth on upper plate. Fault is
    probably a Mesozoic thrust fault that was latter reactivated 
    as a low-angle normal fault



    Strike-slip fault - Showing relative motion. Dashed where 
    approximately located, dotted where concealed