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Definition of Peralkaline
1. Adjective. (geology) Describing igneous rocks that have a higher ratio of sodium and potassium to aluminium than is needed to produce feldspar ¹
¹ Source: wiktionary.com
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1. Adjective. (geology) Describing igneous rocks that have a higher ratio of sodium and potassium to aluminium than is needed to produce feldspar ¹
¹ Source: wiktionary.com