Definition of Trondhjemite. Meaning of Trondhjemite. Synonyms of Trondhjemite

Here you will find one or more explanations in English for the word Trondhjemite. Also in the bottom left of the page several parts of wikipedia pages related to the word Trondhjemite and, of course, Trondhjemite synonyms and on the right images related to the word Trondhjemite.

Definition of Trondhjemite

No result for Trondhjemite. Showing similar results...

Meaning of Trondhjemite from wikipedia

- Trondhjemite is a leucocratic (light-colored) intrusive igneous rock. It is a variety of tonalite in which the plagioclase is mostly in the form of oligoclase...
- Tonalite–trondhjemite–granodiorite (TTG) rocks are intrusive rocks with typical granitic composition (quartz and feldspar) but containing only a small...
- 7 Ga. Much of the granitic rock belongs to the distinctive tonalite–trondhjemite–granodiorite family of rocks, which are characteristic of Archean continental...
- contain an abundance of Archean felsic volcanic rocks, including tonalite, trondhjemite and granodiorite (TTG) series rocks,[failed verification] with minor...
- a complex of felsic magmatic rocks. These rocks are mostly tonalite, trondhjemite or granodiorite, types of rock similar in composition to granite (hence...
- within the European Union can be found in Siuruankylä, Pudasjärvi. The trondhjemite gneiss is aged 3,500 million years. Two Finnish melodic death metal bands...
- 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...
- deposits including gold and copper. Drummond and Defant noted that Archean trondhjemites (which make up most of the ancient crust of continents) have similar...
- zones. The lithologies of the Dharwar Craton are mainly TTG (Tonalite-trondhjemite-granodiorite) gneisses, volcanic-sedimentary greenstone sequences and...
- migmatites. They were crystallised 3.45 billion years ago during the trondhjemite magmatism (Phase III). Similar emplacement (Phase IV) at 3.33 billion...