returns a vector of hiatus durations
See also
get_hiat_pos()to determine only stratigraphic position of hiatusesget_hiat_no()to determine number of hiatuses in an admget_hiat_list()to get hiatus position, stat & end time
returns a vector of hiatus durations
get_hiat_pos() to determine only stratigraphic position of hiatuses
get_hiat_no() to determine number of hiatuses in an adm
get_hiat_list() to get hiatus position, stat & end time