[[file:applying-gravity-in-petroleum-exploration_fig15-3.png|300px|thumb|{{figure number|1}}Bouguer gravity maps of Spouthern California showing the expression of faults.]]
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[[file:applying-gravity-in-petroleum-exploration_fig15-3.png|500px|thumb|{{figure number|1}}Bouguer gravity maps of Spouthern California showing the expression of faults.]]
Faults usually can be identified through either steep gradients or truncation of trends.
Faults usually can be identified through either steep gradients or truncation of trends.