tonalite-trondhjemite-granodiorite
Appearance
English
[edit]Noun
[edit]tonalite-trondhjemite-granodiorite
- A group of intrusive rocks with typical granitic composition, but containing only a small portion of potassium feldspar.
- Synonym: TTG
Further reading
[edit]- Tonalite–trondhjemite–granodiorite on Wikipedia.Wikipedia