POSC Specifications Version 2.2
Epicentre Logical Data Model
ENTITY
PTY_GEOLOGIC_AGE_RANGE
SUBTYPE OF
(
property
);
earlier_age :
OPTIONAL
ndt_time_geologic
;
feature_boundary :
OPTIONAL
feature_boundary
;
fossil_taxon :
OPTIONAL
fossil_taxon
;
geologic_process :
OPTIONAL
geologic_process
;
later_age :
OPTIONAL
ndt_time_geologic
;
position_on_earth_surface :
OPTIONAL
position_on_earth_surface
;
reservoir_fluid_system :
OPTIONAL
reservoir_fluid_system
;
rock_fluid_feature :
OPTIONAL
rock_fluid_feature
;
rock_material :
OPTIONAL
rock_material
;
temporal_period :
OPTIONAL
temporal_period
;
UNIQUE
si: temporal_period, fossil_taxon, position_on_earth_surface,
property
.other_spatial_object, feature_boundary, geologic_process, rock_fluid_feature, rock_material, reservoir_fluid_system,
process_data
.activity;
WHERE
val: EXISTS(earlier_age) OR EXISTS(later_age);
END_ENTITY
; (* pty_geologic_age_range *)
Generated on Tue Dec 9 09:49:47 1997
© Copyright 1997 POSC. All rights reserved.