Definition of alkalic in English:
alkalic
adjective alˈkalɪkalˈkalik
Geology (of a rock or mineral) richer in sodium and/or potassium than is usual for its type.
Example sentencesExamples
- 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.
- A further part deals with deposits associated with alkalic magmatism.
- 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.