noun
- a fine-grained igneous rock with a granitic composition that exhibits a distinctive intergrowth texture of quartz and feldspar
Usage: geological
Examples
- The geologist identified the sample as granophyre based on its characteristic texture.
- Granophyre forms when magma cools rapidly beneath the Earth’s surface.
- The quarry exposed a large body of granophyre that had intruded into the surrounding sedimentary rocks.
- Under the microscope, the granophyre showed the typical intergrowth pattern of quartz and feldspar crystals.
- This granophyre formation dates back to the Precambrian era.
- The mining company extracted granophyre for use as decorative building stone.