A quantity of rock material composing a portion of the earth subsurface. The rock feature is used to name and specify rock bodies. These rock bodies are meant to contain the total possible extend of the feature.

identifier (O, K: ndt_name)

The label used to distinguish a rock feature.


ref_existence_kind (M, K, I: ref_existence_kind)

The existence kind of the material e.g. actual, planned, required, or predicted. Inherited from material.


description (O, I: ndt_comment)

A textual description of the material. Inherited from material.


biozone (V: SET[0:?] biozone(rock_feature)) (1226)

The rock feature that is a physical manifestation of a biozone or combination of biozones. Each rock_feature may represent one or more biozone.


component_of_material (I, V: SET[0:?] component_material(incorporate))

This describes the use of this material as being part of the composition of another material. Each rock_feature may be a component of one or more component_material. Inherited from material.


contain_material (I, V: SET[0:?] material_composition(characterize))

These provide the description of the composition of the material. Each rock_feature may be characterized by one or more material_composition. Inherited from material.


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

Indicates the data collections that include this instance of E and P data. Each rock_feature 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 rock_feature may datum for ranking one or more object_ranking. Inherited from object_of_interest.


fulfill (I, V: SET[0:?] material_fulfillment(fulfillment))

Indicates the existence of a material which utilizes the specifications of this material. Each rock_feature may be fulfilled by one or more material_fulfillment. Inherited from material.


fulfillment (I, V: SET[0:?] material_fulfillment(fulfill))

Shows the association between this material and the material that this is the fulfillment of. For example, this may be an actual material that fulfills a planned material. Each rock_feature may fulfills one or more material_fulfillment. Inherited from material.


geologic_age_classification (I, V: SET[0:?] geologic_age_classification(rock_material))

Indicates the geologic age classification of this material. Each rock_feature may classified by one or more geologic_age_classification. Inherited from rock_material.


geologic_process (O, I: SET[0:?] geologic_process(geologic_feature))

Indicates the geologic processes which acted to produce this geologic feature. Each rock_feature may be the product of one or more geologic_process. Inherited from geologic_feature.


geologic_province (O, I: SET[0:?] geologic_province(geologic_feature))

Specifies the land area within which this geologic feature has a particular name or identifier. Each rock_feature may be identified within one or more geologic_province. Inherited from geologic_feature.


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

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


hole (I, V: SET[0:?] hole(rock_material))

Indicates the various holes contained in this material. Each rock_feature may contain one or more hole. Inherited from rock_material.


interpreted_feature_association (I, V: SET[0:?] interpreted_feature_association(geologic_feature))

The set of interpreted associations of this geologic feature with a seismic feature. Each rock_feature may related to one or more interpreted_feature_association. Inherited from geologic_feature.


lithologic_analysis (I, V: SET[0:?] lithologic_analysis(rock_material)) (1226)

Indicates various description activities which are conducted on this rock material. Each rock_feature may be the subject of one or more lithologic_analysis. Inherited from rock_material.


material_class (V: material_class(rock_feature)) (1226)

This is the material_class that gets its definition from this rock_feature. For example, the material_class Frio is defined by the rock_feature Frio. It is the material_class that is defined by this archetype rock_feature. Each rock_feature may have definition provided by one material_class.


material_classification (I, V: SET[0:?] material_classification(material))

Indicates a material class is being assigned to this material. Each rock_feature may classify one or more material_classification. Inherited from material.


material_installation (I, V: SET[0:?] material_installation(material))

Records the periods of time the material is used as a facility or by an activity. Each rock_feature may have one or more material_installation. Inherited from material.


material_typification (I, V: SET[0:?] material_typification(material))

Indicates the association of a material with various specifications of material types. Each rock_feature may be typified by one or more material_typification. Inherited from material.


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 rock_feature may object of ranking one or more object_ranking. Inherited from object_of_interest.


position_in_earth_model (I, V: SET[0:?] position_in_earth_model(geologic_feature))

A version of the representation of a geologic feature as a spatial primitive in an earth model. Each rock_feature may be represented by one or more position_in_earth_model. Inherited from geologic_feature.


position_in_wellbore (I, V: SET[0:?] position_in_wellbore(geologic_feature))

Specifies the spatial intersection of a geologic feature and a well path. Each rock_feature may be located by one or more position_in_wellbore. Inherited from geologic_feature.


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

Specifies the surface position or intersection of a geologic feature. Each rock_feature may be located by one or more position_on_earth_surface. Inherited from geologic_feature.


primary_geologic_object_association (I, V: SET[0:?] geologic_object_association(primary_geologic_object)) (1096, 1226)

Indicates the geologic association in which a geologic object has the role of primary agent. The primary object is defined by a description relative to the secondary object. Descriptions are asymmetrical or symmetrical. For asymmetric interactions, the description, such as "top", can only apply to the primary object. For example, "a horizon (primary object) is the top (description) of a sand layer (secondary object)". Here only the horizon can be a "top". If the relationship between the two objects is symmetrical both objects can be described equally well by the qualifier, and either could be chosen as the primary agent with the other chosen as the secondary agent. An example of a symmetrical relationship is "a sand layer (primary object) is interbedded (description) with a shale layer(secondary object)". Each rock_feature may be primarily involved in one or more geologic_object_association. Inherited from geologic_object.


process_history (I, V: SET[0:?] materials_processing(processed_material))

Indicates various processing activities which act upon this material. Each rock_feature may be the subject of one or more materials_processing. Inherited from material.


pty_absolute_abundance (I, V: SET[0:?] pty_absolute_abundance(material))

Each rock_feature may have a property of one or more pty_absolute_abundance. Inherited from material.


pty_acoustic_impedance (I, V: SET[0:?] pty_acoustic_impedance(rock_material))

Each rock_feature may have a property of one or more pty_acoustic_impedance. Inherited from rock_material.


pty_acoustic_velocity (I, V: SET[0:?] pty_acoustic_velocity(rock_material))

Each rock_feature may have a property of one or more pty_acoustic_velocity. Inherited from rock_material.


pty_acoustic_velocity_curve (I, V: SET[0:?] pty_acoustic_velocity_curve(rock_material))

Each rock_feature may have a property of one or more pty_acoustic_velocity_curve. Inherited from rock_material.


pty_area (I, V: SET[0:?] pty_area(rock_material))

Each rock_feature may have a property of one or more pty_area. Inherited from rock_material.


pty_bending_moment_per_length (I, V: SET[0:?] pty_bending_moment_per_length(rock_material))

Each rock_feature may have a property of one or more pty_bending_moment_per_length. Inherited from rock_material.


pty_biot_coefficient (I, V: SET[0:?] pty_biot_coefficient(rock_material))

Each rock_feature may have a property of one or more pty_biot_coefficient. Inherited from rock_material.


pty_bulk_density (I, V: SET[0:?] pty_bulk_density(rock_material))

Each rock_feature may have a property of one or more pty_bulk_density. Inherited from rock_material.


pty_bulk_modulus (I, V: SET[0:?] pty_bulk_modulus(rock_material))

Each rock_feature may have a property of one or more pty_bulk_modulus. Inherited from rock_material.


pty_capacitance (I, V: SET[0:?] pty_capacitance(rock_material))

Each rock_feature may have a property of one or more pty_capacitance. Inherited from rock_material.


pty_cation_exchange_capacity (I, V: SET[0:?] pty_cation_exchange_capacity(rock_material))

Each rock_feature may have a property of one or more pty_cation_exchange_capacity. Inherited from rock_material.


pty_cementation_factor (I, V: SET[0:?] pty_cementation_factor(rock_material))

Each rock_feature may have a property of one or more pty_cementation_factor. Inherited from rock_material.


pty_compressibility_curve (I, V: SET[0:?] pty_compressibility_curve(rock_material))

Each rock_feature may have a property of one or more pty_compressibility_curve. Inherited from rock_material.


pty_concentration_mass_per_mass (I, V: SET[0:?] pty_concentration_mass_per_mass(material))

Each rock_feature may have a property of one or more pty_concentration_mass_per_mass. Inherited from material.


pty_concentration_mass_per_volume (I, V: SET[0:?] pty_concentration_mass_per_volume(material))

Each rock_feature may have a property of one or more pty_concentration_mass_per_volume. Inherited from material.


pty_concentration_mole_per_volume (I, V: SET[0:?] pty_concentration_mole_per_volume(material))

Each rock_feature may have a property of one or more pty_concentration_mole_per_volume. Inherited from material.


pty_concentration_volume_per_mole (I, V: SET[0:?] pty_concentration_volume_per_mole(material))

Each rock_feature may have a property of one or more pty_concentration_volume_per_mole. Inherited from material.


pty_concentration_volume_per_volume (I, V: SET[0:?] pty_concentration_volume_per_volume(material))

Each rock_feature may have a property of one or more pty_concentration_volume_per_volume. Inherited from material.


pty_conductance (I, V: SET[0:?] pty_conductance(rock_material))

Each rock_feature may have a property of one or more pty_conductance. Inherited from rock_material.


pty_density_solid (I, V: SET[0:?] pty_density_solid(rock_material))

Each rock_feature may have a property of one or more pty_density_solid. Inherited from rock_material.


pty_effective_permeability (I, V: SET[0:?] pty_effective_permeability(rock_material))

Each rock_feature may have a property of one or more pty_effective_permeability. Inherited from rock_material.


pty_effective_porosity (I, V: SET[0:?] pty_effective_porosity(rock_material))

Each rock_feature may have a property of one or more pty_effective_porosity. Inherited from rock_material.


pty_electrical_resistance (I, V: SET[0:?] pty_electrical_resistance(rock_material))

Each rock_feature may have a property of one or more pty_electrical_resistance. Inherited from rock_material.


pty_electric_potential (I, V: SET[0:?] pty_electric_potential(rock_material))

Each rock_feature may have a property of one or more pty_electric_potential. Inherited from rock_material.


pty_electric_resistivity (I, V: SET[0:?] pty_electric_resistivity(rock_material))

Each rock_feature may have a property of one or more pty_electric_resistivity. Inherited from rock_material.


pty_element_value (I, V: SET[0:?] pty_element_value(material))

Each rock_feature may have a property of one or more pty_element_value. Inherited from material.


pty_formation_factor_curve (I, V: SET[0:?] pty_formation_factor_curve(rock_material))

Each rock_feature may have a property of one or more pty_formation_factor_curve. Inherited from rock_material.


pty_formation_resistivity_factor (I, V: SET[0:?] pty_formation_resistivity_factor(rock_material))

Each rock_feature may have a property of one or more pty_formation_resistivity_factor. Inherited from rock_material.


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

Each rock_feature may have a property of one or more pty_geologic_age. Inherited from rock_material.


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

Each rock_feature may have a property of one or more pty_geologic_age_range. Inherited from rock_material.


pty_grain_size (I, V: SET[0:?] pty_grain_size(rock_material))

Each rock_feature may have a property of one or more pty_grain_size. Inherited from rock_material.


pty_heat_flux (I, V: SET[0:?] pty_heat_flux(rock_material))

Each rock_feature may have a property of one or more pty_heat_flux. Inherited from rock_material.


pty_heat_release_rate (I, V: SET[0:?] pty_heat_release_rate(rock_material))

Each rock_feature may have a property of one or more pty_heat_release_rate. Inherited from rock_material.


pty_heat_transfer_coefficient (I, V: SET[0:?] pty_heat_transfer_coefficient(rock_material))

Each rock_feature may have a property of one or more pty_heat_transfer_coefficient. Inherited from rock_material.


pty_internal_surface_area (I, V: SET[0:?] pty_internal_surface_area(rock_material))

Each rock_feature may have a property of one or more pty_internal_surface_area. Inherited from rock_material.


pty_interval_transit_time (I, V: SET[0:?] pty_interval_transit_time(rock_material))

Each rock_feature may have a property of one or more pty_interval_transit_time. Inherited from rock_material.


pty_linear_thermal_expansion (I, V: SET[0:?] pty_linear_thermal_expansion(rock_material))

Each rock_feature may have a property of one or more pty_linear_thermal_expansion. Inherited from rock_material.


pty_lithologic_color (I, V: SET[0:?] pty_lithologic_color(rock_material))

Each rock_feature may have a property of one or more pty_lithologic_color. Inherited from rock_material.


pty_mass (I, V: SET[0:?] pty_mass(material))

Each rock_feature may have a property of one or more pty_mass. Inherited from material.


pty_mass_spectrum_abundance (I, V: SET[0:?] pty_mass_spectrum_abundance(rock_material))

Each rock_feature may have a property of one or more pty_mass_spectrum_abundance. Inherited from rock_material.


pty_matrix_compressibility (I, V: SET[0:?] pty_matrix_compressibility(rock_material))

Each rock_feature may have a property of one or more pty_matrix_compressibility. Inherited from rock_material.


pty_matrix_density (I, V: SET[0:?] pty_matrix_density(rock_material))

Each rock_feature may have a property of one or more pty_matrix_density. Inherited from rock_material.


pty_mineral_hardness (I, V: SET[0:?] pty_mineral_hardness(rock_material))

Each rock_feature may have a property of one or more pty_mineral_hardness. Inherited from rock_material.


pty_overburden_pressure (I, V: SET[0:?] pty_overburden_pressure(rock_material))

Each rock_feature may have a property of one or more pty_overburden_pressure. Inherited from rock_material.


pty_permeability (I, V: SET[0:?] pty_permeability(rock_material))

Each rock_feature may have a property of one or more pty_permeability. Inherited from rock_material.


pty_permeability_compaction_curve (I, V: SET[0:?] pty_permeability_compaction_curve(rock_material))

Each rock_feature may have a property of one or more pty_permeability_compaction_curve. Inherited from rock_material.


pty_permeability_compaction_point (I, V: SET[0:?] pty_permeability_compaction_point(rock_material))

Each rock_feature may have a property of one or more pty_permeability_compaction_point. Inherited from rock_material.


pty_permeability_horizontal (I, V: SET[0:?] pty_permeability_horizontal(rock_material))

Each rock_feature may have a property of one or more pty_permeability_horizontal. Inherited from rock_material.


pty_permeability_vertical (I, V: SET[0:?] pty_permeability_vertical(rock_material))

Each rock_feature may have a property of one or more pty_permeability_vertical. Inherited from rock_material.


pty_poissons_ratio (I, V: SET[0:?] pty_poissons_ratio(rock_material))

Each rock_feature may have a property of one or more pty_poissons_ratio. Inherited from rock_material.


pty_pore_pressure (I, V: SET[0:?] pty_pore_pressure(rock_material))

Each rock_feature may have a property of one or more pty_pore_pressure. Inherited from rock_material.


pty_pore_throat_diameter (I, V: SET[0:?] pty_pore_throat_diameter(rock_material))

Each rock_feature may have a property of one or more pty_pore_throat_diameter. Inherited from rock_material.


pty_pore_volume_compressibility (I, V: SET[0:?] pty_pore_volume_compressibility(rock_material))

Each rock_feature may have a property of one or more pty_pore_volume_compressibility. Inherited from rock_material.


pty_porosity (I, V: SET[0:?] pty_porosity(rock_material))

Each rock_feature may have a property of one or more pty_porosity. Inherited from rock_material.


pty_porosity_compaction_curve (I, V: SET[0:?] pty_porosity_compaction_curve(rock_material))

Each rock_feature may have a property of one or more pty_porosity_compaction_curve. Inherited from rock_material.


pty_porosity_compaction_point (I, V: SET[0:?] pty_porosity_compaction_point(rock_material))

Each rock_feature may have a property of one or more pty_porosity_compaction_point. Inherited from rock_material.


pty_pyrolysis_hydrogen_index (I, V: SET[0:?] pty_pyrolysis_hydrogen_index(rock_material)) (0922)

Each rock_feature may have a property of one or more pty_pyrolysis_hydrogen_index. Inherited from rock_material.


pty_pyrolysis_oxygen_index (I, V: SET[0:?] pty_pyrolysis_oxygen_index(rock_material)) (0922)

Each rock_feature may have a property of one or more pty_pyrolysis_oxygen_index. Inherited from rock_material.


pty_pyrolysis_s0 (I, V: SET[0:?] pty_pyrolysis_s0(rock_material))

Each rock_feature may have a property of one or more pty_pyrolysis_s0. Inherited from rock_material.


pty_pyrolysis_s1 (I, V: SET[0:?] pty_pyrolysis_s1(rock_material))

Each rock_feature may have a property of one or more pty_pyrolysis_s1. Inherited from rock_material.


pty_pyrolysis_s2 (I, V: SET[0:?] pty_pyrolysis_s2(rock_material))

Each rock_feature may have a property of one or more pty_pyrolysis_s2. Inherited from rock_material.


pty_pyrolysis_s3 (I, V: SET[0:?] pty_pyrolysis_s3(rock_material))

Each rock_feature may have a property of one or more pty_pyrolysis_s3. Inherited from rock_material.


pty_pyrolysis_t_max (I, V: SET[0:?] pty_pyrolysis_t_max(rock_material))

Each rock_feature may have a property of one or more pty_pyrolysis_t_max. Inherited from rock_material.


pty_radioactivity (I, V: SET[0:?] pty_radioactivity(rock_material))

Each rock_feature may have a property of one or more pty_radioactivity. Inherited from rock_material.


pty_refractive_index (I, V: SET[0:?] pty_refractive_index(rock_material))

Each rock_feature may have a property of one or more pty_refractive_index. Inherited from rock_material.


pty_resistivity_index (I, V: SET[0:?] pty_resistivity_index(rock_material))

Each rock_feature may have a property of one or more pty_resistivity_index. Inherited from rock_material.


pty_resistivity_index_curve (I, V: SET[0:?] pty_resistivity_index_curve(rock_material))

Each rock_feature may have a property of one or more pty_resistivity_index_curve. Inherited from rock_material.


pty_shear_modulus (I, V: SET[0:?] pty_shear_modulus(rock_material))

Each rock_feature may have a property of one or more pty_shear_modulus. Inherited from rock_material.


pty_spatial_gamma_radiation_intensity (I, V: SET[0:?] pty_spatial_gamma_radiation_intensity(rock_material))

Each rock_feature may have a property of one or more pty_spatial_gamma_radiation_intensity. Inherited from rock_material.


pty_specific_heat_capacity_mass (I, V: SET[0:?] pty_specific_heat_capacity_mass(rock_material))

Each rock_feature may have a property of one or more pty_specific_heat_capacity_mass. Inherited from rock_material.


pty_specific_surface_area (I, V: SET[0:?] pty_specific_internal_surface_area(rock_material))

Each rock_feature may have a property of one or more pty_specific_internal_surface_area. Inherited from rock_material.


pty_spectral_fluorescence_intensity (I, V: SET[0:?] pty_spectral_fluorescence_intensity(rock_material))

Each rock_feature may have a property of one or more pty_spectral_fluorescence_intensity. Inherited from rock_material.


pty_spectral_gamma_radiation_intensity (I, V: SET[0:?] pty_spectral_gamma_radiation_intensity(rock_material))

Each rock_feature may have a property of one or more pty_spectral_gamma_radiation_intensity. Inherited from rock_material.


pty_surface_area_per_volume (I, V: SET[0:?] pty_surface_area_per_volume(rock_material))

Each rock_feature may have a property of one or more pty_surface_area_per_volume. Inherited from rock_material.


pty_temperature (I, V: SET[0:?] pty_temperature(rock_material))

Each rock_feature may have a property of one or more pty_temperature. Inherited from rock_material.


pty_thermal_alteration_index (I, V: SET[0:?] pty_thermal_alteration_index(rock_material))

Each rock_feature may have a property of one or more pty_thermal_alteration_index. Inherited from rock_material.


pty_torque (I, V: SET[0:?] pty_torque(rock_material))

Each rock_feature may have a property of one or more pty_torque. Inherited from rock_material.


pty_tortuosity (I, V: SET[0:?] pty_tortuosity(rock_material))

Each rock_feature may have a property of one or more pty_tortuosity. Inherited from rock_material.


pty_total_compressibility (I, V: SET[0:?] pty_total_compressibility(rock_material))

Each rock_feature may have a property of one or more pty_total_compressibility. Inherited from rock_material.


pty_total_organic_carbon (I, V: SET[0:?] pty_total_organic_carbon(rock_material))

Each rock_feature may have a property of one or more pty_total_organic_carbon. Inherited from rock_material.


pty_total_organic_matter (I, V: SET[0:?] pty_total_organic_matter(rock_material))

Each rock_feature may have a property of one or more pty_total_organic_matter. Inherited from rock_material.


pty_transient_temperature (I, V: SET[0:?] pty_transient_temperature(rock_material))

Each rock_feature may have a property of one or more pty_transient_temperature. Inherited from rock_material.


pty_vert_hor_permeability_ratio (I, V: SET[0:?] pty_vert_hor_permeability_ratio(rock_material))

Each rock_feature may have a property of one or more pty_vert_hor_permeability_ratio. Inherited from rock_material.


pty_volume (I, V: SET[0:?] pty_volume(rock_material))

Each rock_feature may have a property of one or more pty_volume. Inherited from rock_material.


pty_weight (I, V: SET[0:?] pty_weight(material))

Each rock_feature may have a property of one or more pty_weight. Inherited from material.


pty_wettability_index (I, V: SET[0:?] pty_wettability_index(rock_material))

Each rock_feature may have a property of one or more pty_wettability_index. Inherited from rock_material.


pty_youngs_modulus (I, V: SET[0:?] pty_youngs_modulus(rock_material))

Each rock_feature may have a property of one or more pty_youngs_modulus. Inherited from rock_material.


ref_naming_system (O: ref_naming_system)

The naming system in which the identifier is defined.


rock_analysis (I, V: SET[0:?] rock_analysis(rock_material))

Indicates various analytical activities which are conducted on this material. Each rock_feature may be the subject of one or more rock_analysis. Inherited from rock_material.


rock_feature_alias (V: SET[0:?] rock_feature_alias(rock_feature))

Indicates various identifiers of this feature. Each rock_feature may be known as one or more rock_feature_alias.


rock_feature_part (I, V: SET[0:?] rock_feature_part(rock_material)) (1226)

These are the parts which make up this rock material Each rock_feature may have as parts one or more rock_feature_part. Inherited from rock_material.


rock_fluid_feature (V: SET[0:?] rock_fluid_feature(rock_feature)) (1226)

Indicates various rock fluid features which are contained within this rock feature. Each rock_feature may be contained by one or more rock_fluid_feature.


rock_fluid_interaction (I, V: SET[0:?] rock_fluid_interaction(rock_material))

Indicates the various interactions of rock and fluid which characterize this rock material. Each rock_feature may be characterized by one or more rock_fluid_interaction. Inherited from rock_material.


sampled_by_activity (I, V: SET[0:?] sample_acquisition(source_material))

Indicates various sample acquisition activities which extract pieces or fractions of this material. Each rock_feature may be sampled by one or more sample_acquisition. Inherited from material.


secondary_geologic_object_association (I, V: SET[0:?] geologic_object_association(secondary_geologic_object)) (1096, 1226)

Indicates a geologic object association in which a geologic object takes the role of secondary agent. The secondary object relates the primary object to a description. The description does not apply to the secondary object but tells where it is derived from. For example in, "a horizon (primary object) is the top (description) of a sand layer (secondary object)" the secondary object shows where the description is coming from. If the relationship between the two objects is symmetrical both can be described equally well a description, and either could be chosen as the primary agent with the other chosen as the secondary agent. An example of a symmetrical relationship is "a sand layer (primary object) is interbedded (description) with a shale layer(secondary object)". Each rock_feature may be involved in one or more geologic_object_association. Inherited from geologic_object.


seismic_feature_classification (I, V: SET[0:?] seismic_feature_classification(geologic_feature))

The classification of the geologic feature based on its character in one seismic data set. Each rock_feature may characterized by one or more seismic_feature_classification. Inherited from geologic_feature.


used_by_activity (I, V: SET[0:?] activity(utilize_material)) (1223)

Indicates various activities which utilize this material. Each rock_feature may be utilized by one or more activity. Inherited from material.


wellbore_geologic_target (I, V: SET[0:?] wellbore_geologic_target(geologic_feature)) (1216)

These are the descriptions of this geologic features as target of wellbores. Each rock_feature may is defined as a target by one or more wellbore_geologic_target. Inherited from geologic_feature.

Local rules:

Uniqueness Constraint
identifier, ref_existence_kind
Supertype path(s):
material > rock_material > rock_feature.
e_and_p_data > object_of_interest > technical_object > rock_feature.
geologic_object > geologic_feature > rock_feature.

Entity projects as table ROCK_FEATURE.

Referenced in Diagrams:

• EMG1: Geologic Features (1123, 1226)
• EMG2: Reservoir Geology (1226)
• EMG6: Geologic Object Classes (1226)
• EMG7: Geologic Object Associatio (1226)
• EMT: Geochronology (1226)
• HL4: Object Aliasing
• MSC1: Materials (1226)