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Scheme: ABCD EFG Pencil.png
Collection: EFG SiteStratigraphy 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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SectionUnitStratigraphy-MaterialDated (also /SiteStratigraphy/SiteSections/SectionLog/SectionUnitStratigraphy/RadiometricDates/RadiometricDate/MaterialDated): What was actually dated? e.g. Glauconite grains in a sandstone, wood from peat-core etc.

Constraints in the context of ABCD EFG: