Picritic-rock (Q41876)

From geokb
Revision as of 17:54, 21 April 2023 by Sky (talk | contribs) (‎Cleared an Item: Added to primary parent rock class as subclass)
Fine grained ultramafic or basaltic rocks with <53% SiO^2, (Na^2O+K^2O)<2%, MgO>18%
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Picritic-rock
Fine grained ultramafic or basaltic rocks with <53% SiO^2, (Na^2O+K^2O)<2%, MgO>18%

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