noun as in strong fondness

Word Combinations

Example:Granite can be considered a protolith that is transformed into gneiss through metamorphism.

Definition:The original rock that undergoes metamorphism.

From metamorphic protolith

Example:The intrusion of magma through the protolith of sedimentary rock altered its mineral composition.

Definition:The rock that an igneous intrusion cuts through and then transforms.

From protolith of intrusion