"Modification date" is a predefined property that corresponds to the date of the last modification of a subject and is provided by Semantic MediaWiki.
|07:09:53, 26 June 2015 +|
|Subcategory of||Types of geology +|
|hide properties that link here|
|Category:Building stones + , Category:Mineral resources + , Category:Reports on Minerals +||Subcategory of|