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Scheme: ABCD EFG Pencil.png
Collection: EFG UnitHostRock Pencil.png
The import namespace "abcd-efg" is unknown. Please ensure that OWL import details are available via MediaWiki:Smw import abcd-efg
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HostRockStratigraphy (also /UnitHostRock/HostRockStratigraphy): Container for any stratigraphic determination specific to the host rock. For instance the gathering site may include a range of stratigraphic horizons whilst the unit host rock may represent just one. The unit itself might be different if it is allochthonous in origin. Minerals may be of a different age from their host rock.

Constraints in the context of ABCD EFG: