Definition of alkalic in English:

alkalic

adjective

Geology
  • (of a rock or mineral) richer in sodium and/or potassium than is usual for its type.

    • ‘In the northern Cordillera lower Paleozoic alkalic and potassic mafic magmatism is linked with rifting of the Selwyn Basin.’
    • ‘Whatever the source, an alkalic basaltic magma pooled in the potassium-poor rocks of the lower crust.’
    • ‘Within the Grenville basement these are represented by alkalic to tholeiitic mafic dykes and alkalic to peralkaline granite plutons.’
    • ‘Some ore deposits occur in alkalic ultrabasic rocks derived from the Earth's mantle.’
    • ‘A further part deals with deposits associated with alkalic magmatism.’

Pronunciation:

alkalic

/alˈkalɪk/