An unspecialized point in, on or above the Earth, but which is locatable using an earth referenced coordinate system.

identifier (O, K, I: ndt_name)

The local label used to identify an earth model object. Inherited from earth_model_object.


geologic_feature (O, K, I: geologic_feature(position_on_earth_surface))

Indicates the spatial intersection of the earth surface and a geologic feature. Each general_earth_surface_point may locate one geologic_feature. Inherited from position_on_earth_surface.


geoscience_interpretation (O, K, I: geoscience_interpretation(earth_model_object))

The activity which created this object. Each general_earth_surface_point may result of one geoscience_interpretation. Inherited from earth_model_object.


ref_other_earth_point (M: ref_other_earth_point)

The definition of the type of earth point.


description (O, I: ndt_comment)

A textual description of the earth model object. Inherited from earth_model_object.


be_part_of (I, V: SET[0:?] general_surface_composite(be_composed_of)) (0712)

Describes the composite positions on earth surface that this position on earth surface is part of. These are the whole for which this is a part. Each general_earth_surface_point may be part of one or more general_surface_composite. Inherited from position_on_earth_surface.


data_collection (I, V: SET[0:?] data_collection(collection_content))

Indicates the data collections that include this instance of E and P data. Each general_earth_surface_point may be a member of one or more data_collection. Inherited from e_and_p_data.


datum_for_ranking (I, V: SET[0:?] object_ranking(base_object))

Indicates that an object is being used as a basis for comparison with another object. Each general_earth_surface_point may datum for ranking one or more object_ranking. Inherited from object_of_interest.


earth_model (I, V: SET[0:?] earth_model(spatial_object))

Indicates various earth models which include this spatial representation. Each general_earth_surface_point may be part of one or more earth_model. Inherited from spatial_object.


earth_surface_feature (I, V: SET[0:?] earth_surface_feature(position_on_earth_surface))

Indicates various earth surface features which are located by this position. Each general_earth_surface_point may locate one or more earth_surface_feature. Inherited from position_on_earth_surface.


edge (I, V: SET[0:?] edge(vertex))

Defines the edges for which this vertex forms part of the boundary. Each general_earth_surface_point may bind one or more edge. Inherited from vertex.


graphical_element (I, V: SET[0:?] graphical_element(depicted_object))

Specifies one or more graphical elements which are depicting this data item. Each general_earth_surface_point may be depicted by one or more graphical_element. Inherited from e_and_p_data.


intersection_role (I, V: SET[0:?] space_time_operation(intersecting_object))

Indicates a space/time operation for which the object is involved as an intersecting agent. For projection, this is the screen on which an object is being projected. For proximity, this is the magnet object. Each general_earth_surface_point may be the intersecting object for one or more space_time_operation. Inherited from topological_object.


local_vertical_datum (I, V: SET[0:?] local_vertical_datum(earth_point))

Indicates the usage of this earth point to establish one or more vertical datum planes Each general_earth_surface_point may intersect one or more local_vertical_datum. Inherited from earth_point.


material_collection_station (I, V: SET[0:?] material_collection_station(position_on_earth_surface))

Indicates the various facilities which are located by this position. Each general_earth_surface_point may locate one or more material_collection_station. Inherited from position_on_earth_surface.


object_of_ranking (I, V: SET[0:?] object_ranking(ranked_object))

Indicates that an object is being classified in a rank order based on its characteristics. Each general_earth_surface_point may object of ranking one or more object_ranking. Inherited from object_of_interest.


observed_baseline (I, V: SET[0:?] observation_definition(baseline_node))

This defines the set of observations where this point was the baseline node for a positioning facility. Each general_earth_surface_point may be baseline node in one or more observation_definition. Inherited from earth_surface_point.


observed_reference (I, V: SET[0:?] observation_definition(reference_node))

This defines the set of observations where this point was the reference node for a positioning facility. Each general_earth_surface_point may be the reference node in one or more observation_definition. Inherited from earth_surface_point.


other_composite_spatial_object (I, V: SET[0:?] other_composite_spatial_object(composite_object))

Defines the set of composite spatial objects of which this spatial object is a component. Each general_earth_surface_point may be a component of one or more other_composite_spatial_object. Inherited from spatial_object.


other_material (I, V: SET[0:?] other_material(position_on_earth_surface))

Indicates the various materials which are currently or have formerly been associated with this location. Each general_earth_surface_point may locate one or more other_material. Inherited from position_on_earth_surface.


position_uncertainty_classification (I, V: SET[0:?] position_uncertainty_classification(earth_model_object))

Defines the set of classifications of this position with respect to its degree of uncertainty. Each general_earth_surface_point may be classified by one or more position_uncertainty_classification. Inherited from earth_model_object.


primary_role (I, V: SET[0:?] space_time_operation(primary_object))

Indicates a space/time operation for which the object is involved as a primary agent. For degeneration, this object is being degenerated. For projection, this object is being projected onto another object. For proximity, this is the container object. Each general_earth_surface_point may be the primary object for one or more space_time_operation. Inherited from topological_object.


primary_topological_relationship (I, V: SET[0:?] topological_relationship(primary_topological_object))

Indicates a topological relationship in which the topologic object has the role of primary agent. For an object intersection type of "inside" this is the containing role (e.g., if a city is inside a county then the county would be the primary agent). For all other object intersection types the roles are symmetrical and both relationships must be searched for a particular object. For example, if a wellbore and a formation overlap then either could be chosen as the primary agent with the other chosen as the secondary agent. Each general_earth_surface_point may be primarily involved in one or more topological_relationship. Inherited from topological_object.


pty_azimuth (V: SET[0:?] pty_azimuth(general_earth_surface_point))

Each general_earth_surface_point may have a property of one or more pty_azimuth.


pty_geologic_age (I, V: SET[0:?] pty_geologic_age(position_on_earth_surface))

Each general_earth_surface_point may have a property of one or more pty_geologic_age. Inherited from position_on_earth_surface.


pty_geologic_age_range (I, V: SET[0:?] pty_geologic_age_range(position_on_earth_surface))

Each general_earth_surface_point may have a property of one or more pty_geologic_age_range. Inherited from position_on_earth_surface.


pty_inclination_from_vertical (V: SET[0:?] pty_inclination_from_vertical(general_earth_surface_point))

Each general_earth_surface_point may have a property of one or more pty_inclination_from_vertical.


pty_location_1d (V: SET[0:?] pty_location_1d(general_earth_surface_point))

Each general_earth_surface_point may have a property of one or more pty_location_1d.


pty_location_2d (V: SET[0:?] pty_location_2d(general_earth_surface_point))

Each general_earth_surface_point may have a property of one or more pty_location_2d.


pty_location_3d (V: SET[0:?] pty_location_3d(general_earth_surface_point))

Each general_earth_surface_point may have a property of one or more pty_location_3d.


pty_magnetic_declination (I, V: SET[0:?] pty_magnetic_declination(earth_surface_point))

Each general_earth_surface_point may have a property of one or more pty_magnetic_declination. Inherited from earth_surface_point.


pty_magnetic_inclination (I, V: SET[0:?] pty_magnetic_inclination(earth_point))

Each general_earth_surface_point may have a property of one or more pty_magnetic_inclination. Inherited from earth_point.


rock_feature_part (O, I: rock_feature_part(earth_model_object)) (1226)

This points to the rock feature part that this earth model object is representing spatially. Each general_earth_surface_point may be located by one rock_feature_part. Inherited from earth_model_object.


secondary_topological_relationship (I, V: SET[0:?] topological_relationship(secondary_topological_object))

Indicates a topological relationship in which the object is in the role of secondary agent. For an object intersection type of "inside" this is the contained role (e.g., if a well is inside a field then the well would be the secondary agent). For all other object intersection types the roles are symmetrical and both relationships must be searched for a particular object. For example, if a wellbore and a formation overlap then either could be chosen as the secondary agent with the other chosen as the primary agent. Each general_earth_surface_point may be involved in one or more topological_relationship. Inherited from topological_object.


source_space_time_operation (I, V: BAG[0:1] space_time_operation(resulting_object))

Indicates the space/time operation from which a topological object was the result. For addition, this is the union of two objects. For degeneration, this is the degenerate object. Each general_earth_surface_point may be the result of one space_time_operation. Inherited from topological_object.


vertical_datum_offset (I, V: SET[0:?] vertical_datum_offset(earth_point))

These are the offsets between vertical datums that are defined as passing through this point. This earth point is being used to locate the offset. Each general_earth_surface_point may be used to define one or more vertical_datum_offset. Inherited from earth_point.

Local rules:

Uniqueness Constraint
identifier, geologic_feature, geoscience_interpretation
Supertype path(s):
e_and_p_data > object_of_interest > technical_object > earth_model_object > position_on_earth_surface > general_earth_surface_point.
topological_object > spatial_object > simple_spatial_object > vertex > earth_point > earth_surface_point > general_earth_surface_point.

Entity projects as table GENERAL_ESRF_PT.

Referenced in Diagrams:

• CT2: Earth Surface Topology (0712)
• EMG4: Earth Model Objects (0712, 1226)