Entity stratigraphic_marker

• A class of geologic features which represent correlating surfaces within the earth subsurface.

Subtypes:

biostratigraphic_marker, chronostratigraphic_boundary, lithostratigraphic_marker

Attribute                                 Flags   Data Type

From feature_boundary:
   geologic_province                      I       set[0 .. N] of (geologic_province)

                                          Specifies the land area within which this geologic
                                          feature has a particular name or identifier. 

   geologic_process                       I       set[0 .. N] of (geologic_process)

                                          Indicates the geologic processes which acted to
                                          produce this geologic feature. 

   position_on_earth_surface              IV      set[0 .. N] of (position_on_earth_surface)

                                          Specifies the surface position or intersection
                                          of a geologic feature. 

   position_in_wellbore                   IV      set[0 .. N] of (position_in_wellbore)

                                          Specifies the spatial intersection of a geologic
                                          feature and a well path. 

   position_in_earth_model                IV      set[0 .. N] of (position_in_earth_model)

                                          A version of the representation of a geologic
                                          feature as a spatial primitive in an earth model.

   seismic_feature_classification         IV      set[0 .. N] of (seismic_feature_classification)

                                          The classification of the geologic feature based
                                          on its character in one seismic data set. 

   interpreted_feature_association        IV      set[0 .. N] of (interpreted_feature_association)

                                          The set of interpreted associations of this geologic
                                          feature with a seismic feature. 

   data_collection                        IV      set[0 .. N] of (data_collection)

                                          Indicates the data collections that include this
                                          instance of E and P data. 

   graphical_element                      IV      set[0 .. N] of (graphical_element)

                                          Specifies one or more graphical elements which
                                          are depicting this data item. 

   datum_for_ranking                      IV      set[0 .. N] of (object_ranking)

                                          Indicates that an object is being used as a basis
                                          for comparison with another object. 

   object_of_ranking                      IV      set[0 .. N] of (object_ranking)

                                          Indicates that an object is being classified in
                                          a rank order based on its characteristics. 

   identifier                             I       ndt_name

                                          The label which is used to distinguish a feature
                                          boundary. 

   rock_feature                           I       set[0 .. N] of (rock_feature)

                                          Indicates various geologic features which are
                                          demarcated by this geologic feature boundary.

   boundary_type                          I       boundary_type

                                          Specifies the type of this feature boundary. 

   geologic_age_classification            IV      set[0 .. N] of (geologic_age_classification)

                                          Indicates the classification of this feature boundary
                                          as dating to a specified time period. 

   boundary_classification                IV      set[0 .. N] of (boundary_classification)

                                          Indicates that the boundary is being classified.

   pty_geologic_age                       IV      set[0 .. N] of (pty_geologic_age)

                                          may have a property of 

   pty_geologic_age_range                 IV      set[0 .. N] of (pty_geologic_age_range)

                                          may have a property of 


description                                       ndt_comment

                                          A textual description of the feature. 

ref_naming_system                                 ref_naming_system

                                          The naming system in which the identifier is defined.

stratigraphic_marker_alias                V       set[0 .. N] of (stratigraphic_marker_alias)

                                          Indicates the various identifiers of this feature.

mineral_zone_base                         V       set[0 .. N] of (mineral_zone)

                                          The mineral zone for which the stratigraphic marker
                                          defines the base. 

mineral_zone_top                          V       set[0 .. N] of (mineral_zone)

                                          A mineral zone for which the stratigraphic marker
                                          defines the top. 

pty_element_value                         V       set[0 .. N] of (pty_element_value)

                                          may have a property of 

End of entity stratigraphic_marker

M - mandatory, U - unique, I - inherited, V - inverse, N - named type