Definition of granodiorite in English:
granodiorite
noun ˌɡranə(ʊ)ˈdʌɪərʌɪtˌɡranəˈdīərīt
mass nounGeology A coarse-grained plutonic rock containing quartz and plagioclase, between granite and diorite in composition.
Example sentencesExamples
- The contact is vertical, with granodiorite the dominant rock below a depth of about 100 feet.
- Granite and granodiorite are examples of silica-rich plutonic rocks.
- It grades inwards over tens to hundreds of metres into a coarser-grained porphyritic granodiorite.
- They were composed of solid granodiorite; a very hard igneous rock.
- These stone balls are formed when the material - granodiorite, a metamorphic rock - melts in magma and is of different density than the surrounding fluid.
Origin
Late 19th century: from granite + diorite.