R
- RankTerm
- This class is a blank placeholder for a vocabulary of terms describing the rank of a geologic unit (eg, Group, Formation, Member, etc)
- ReferenceSpecimen
- A reference specimen is a specimen with known or accepted values of some property. The citation property describes the location of a published description of these values. Reference specimens include analytical blanks.
Analytical results from a reference specimen analysed during an AnalyticalSession are delivered in the same way as the results of other specimens analysed in that session.
- RelationRoleTerm
- Refers to a vocabulary of terms describing roles played by geologic features or objects in a geologic relationship
- RockMaterial
- A specialized CompoundMaterial that includes consolidated and unconsolidated materials as well as mixtures of consolidated and unconsolidated materials.