diff --git a/IFC4x3/ModelViews/General Usage/DocModelView.xml b/IFC4x3/ModelViews/General Usage/DocModelView.xml
index baddf1c48..96d978c44 100644
--- a/IFC4x3/ModelViews/General Usage/DocModelView.xml
+++ b/IFC4x3/ModelViews/General Usage/DocModelView.xml
@@ -1519,12 +1519,14 @@ The shared profile definition is defined by assigning an _IfcMaterialProfileSet_
+ An _IfcBorehole_ may be represented by a curve in 3D space representing the drilling axis.
+ An _IfcBorehole_ may be represented by a swept solid.
@@ -8104,6 +8106,10 @@ The material is attached by the _RelatingMaterial_ attribute on the [IfcRelAssoc
+
+ An _IfcGeoScienceFeature_ may be assigned to an _IfcBorehole_ where each _IfcGeoScienceFeature_ represents one interpreted homogeneous unit (e.g. an interpreted material) in the _IfcBorehole_.
+
+
@@ -8111,16 +8117,17 @@ The material is attached by the _RelatingMaterial_ attribute on the [IfcRelAssoc
+ An _IfcGeoScienceObservation_ may decompose another _IfcGeoScienceObservation_. This may be the case e.g. when several different types of tests have been performed in an _IfcBorehole_ at different depths and each type of test is decomposed into sub-tests at different depth ranges.
-
+
- An _IfcGeoScienceObservation_ can be decomposed by other _IFcGeoScienceObservation_.
+ An _IfcGeoScienceObservation_ may be decomposed by other _IfcGeoScienceObservation_. This may be the case e.g. when several different types of tests have been performed in an _IfcBorehole_ at different depths and each type of test is decomposed into sub-tests at different depth ranges.
-
+
@@ -8146,6 +8153,14 @@ The material is attached by the _RelatingMaterial_ attribute on the [IfcRelAssoc
+
+ Datasets may be associated with any type of _IfcGeoScienceObservation_.
+
+
+
+ Documents may be associated with any type of _IfcGeoScienceObservation_.
+
+