
• (a.) Of or pertaining to the lowest division of the Carboniferous formations underlying the proper coal measures. It was a marine formation characterized in general by beds of limestone. • (n.) The Subcarboniferous period or formation.
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Sub·car`bon·if'er·ous adjective (Geol.) Of or pertaining to the lowest division of the Carboniferous formations underlying the proper coal measures. It was a marine formation characterized in general by beds of limestone. --
noun The Subcarboniferous period or formation....
Found on
http://www.encyclo.co.uk/webster/S/220
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