Discrepencies. Different researchers use different cut-off points for what we term low-angle faults. We will go with the text definition of dips <30° Fault workers commonly refer to lenses in fault zones as horses when they are m-km scale structures
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How to evaluate whether a fault is present in the subsurface or an area of poor exposure
Abrupt change in orientation of bedding or foliation
In both cases, look for evidence of fault-zone deformation with proximity to contact
Nonconformity - look for evidence such as basal conglomerate
Angular unconformity (see above) or Fold (look for lithologic continuity)Fault ….but may be