Feature Type

Feature Type Name

Bedrock contour line



Imaginary lines that connect points of equal value of bedrock surface elevation


Table Name


Australia's Implementation Table Names


The following have been used in the definition of this feature type

  • The Global Change Master Directory, a directory of Earth science data. Sited 17th June 2002.

The following have been used in categorising this feature type

  • Geography
  • Topographic
Code Name Definition   Data type Values UoM Used by these Feature Types
1029 Certainty Undoubted fact Mandatory character(50)
label Definition
Approximate In the data capture process the feature was evident but its location was not entirely clear
Connector A line that is introduced for data completeness, e.g. a line used to close polygons, to represent missing data or data that is not visible.
Definite High level of confidence that the feature is correctly located.
Inferred In the data capture process the feature was not evident but the location of the feature was inferred
Interpolated The location of the feature was determined by interpolation
1042 Dataset_Id An unique identifier of the dataset the feature belongs to Mandatory number(4)     Types
1064 Elevation Height of ground level above mean sea level (MSL) Mandatory number(10,2)   metres Types
1150 Q_Info An unique identifier pointing to additional data quality information not included in the metadata record. Mandatory number(5)     Types
1158 Relief The actual, physical surface of a region Mandatory character(50)
label Definition
Cliff A steep rock face, esp. at the edge of the sea.
Depression Depression contour - A contour of which the ground is at a lower elevation than the ground outside.
Standard Imaginary lines, or lines on a map or chart, that connect points of equal value, e.g. elevation of the land surface. Standard contours exclude depression contours.
1192 Surface The outside of a material body, the limits that terminate a solid, the upper boundary of soil, etc. Mandatory character(50)
label Definition
Blue_ice Bands of transparent ice containing no air bubbles, its mass acquiring a blueish tint.
Ice free ground A general term for areas that are ice free
Ice or snow
Rock The hard material of the earth's crust, exposed on the surface or underlaying the soil.
Sea ice
Snow Atmospheric precipitation of ice crystals.
Water Sea: The expanse of salt water that covers most of the earth's surface and surrounds its and masses. Lake: A large body of water surrounded by land.