Tonalite–trondhjemite–granodiorite (TTG) rocks are intrusive rocks with typical granitic composition (quartz and feldspar) but containing only a small...
20 KB (2,194 words) - 17:44, 23 March 2024
occurring in conjunction with tonalite and granodiorite as the TTG (tonalite–trondhjemite–granodiorite) orthogneiss suite. Trondhjemite dikes also commonly form...
2 KB (178 words) - 18:01, 22 July 2023
monzonite, and is now a deprecated term. Trondhjemite is an orthoclase-deficient variety of sodium-rich tonalite with minor biotite as the only mafic mineral...
4 KB (390 words) - 11:10, 1 October 2023
zones. The lithologies of the Dharwar Craton are mainly TTG (Tonalite-trondhjemite-granodiorite) gneisses, volcanic-sedimentary greenstone sequences and calc-alkaline...
39 KB (3,535 words) - 01:37, 6 August 2024
500-million-year time span and can be divided into two suites: The tonalite-trondhjemite-granodiorite (TTG) suite (emplaced approximately 3.5–3.2 Ga), and the...
16 KB (2,046 words) - 20:19, 17 June 2024
Ga. Much of the granitic rock belongs to the distinctive tonalite–trondhjemite–granodiorite family of rocks, which are characteristic of Archean continental...
21 KB (2,256 words) - 14:02, 10 September 2024
by magmatic activity leading to the formation of Archaean Tonalite-Trondhjemite-Granodiorite (TTG) such as the Sand River Gneisses and the Bulai Granite...
10 KB (1,290 words) - 12:43, 17 June 2024
intruded by a distinctive group of granitic rocks called the tonalite-trondhjemite-granodiorite or TTG suite. These are the most voluminous rocks in the craton...
37 KB (4,414 words) - 09:37, 11 March 2024
abundance of Archean felsic volcanic rocks, including tonalite, trondhjemite and granodiorite (TTG) series rocks,[failed verification] with minor granulite...
35 KB (4,087 words) - 10:53, 29 November 2023
greenstone belts, sedimentary basins, regional granitoid-tonalite-trondhjemite-granodiorite (TTG) plutons, and large shear zones. The craton is overlain...
23 KB (2,596 words) - 03:56, 26 August 2024