Describing a type of granite rock formed through metamorphic transformation of pre-existing rock rather than from molten magma.
From 'blasto-' (origin, formation) combined with 'granitic' (relating to granite), a geology term developed in the mid-1800s to classify different granite origins.
Blastogranitic rocks are geological shape-shifters—they're granites that were never molten liquid, instead transforming solid rock into new forms through intense pressure and heat deep underground.
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