A description of the details of earth materials encountered within a samplingfeature. Constituents restricted to a specific lithologic zone are instead encodedas constituent properties of the diggs:Lithology zone itself.
Database handle for the object. It is of XML type ID, so is constrained to beunique in the XML document within which it occurs. An external identifier for the object inthe form of a URI may be constructed using standard XML and XPointer methods. This is doneby concatenating the URI for the document, a fragment separator, and the value of the idattribute.
A legacy attribute for AGS trial pit sampling features, whereobservations of different strata can occur at the same depth in a pit: areference letter or number whose sole purpose is to link the stratum onthe face sketch of the trial pit to the observation.
Source
<element name="ConstituentObservation" type="diggs:ConstituentObservationType" substitutionGroup="diggs:AbstractObservation"><annotation><documentation>A description of the details of earth materials encountered within a sampling feature. Constituents restricted to a specific lithologic zone are instead encoded as constituent properties of the diggs:Lithology zone itself.</documentation></annotation></element>