granodiorite
noun
grano·di·o·rite ˌgra-nō-ˈdī-ə-ˌrīt 
: a granular intrusive quartzose igneous rock intermediate between granite and quartz-containing diorite with plagioclase predominant over orthoclase
granodioritic
ˌgra-nō-ˌdī-ə-ˈri-tik
adjective 
Word History
First Known Use
1893, in the meaning defined above