A massif is a part of the Earth's crust that has been pushed up. Usually this happens when continental plates press against each other. One set of rocks goes up, the other goes down towards the Earth's mantle.
The word "massif" means a block of mountains formed by this process, and surrounded by fault lines. Linear mountains like those on the western side of the Americas are usually not called massifs. They are called mountain chains.
- Sawe, Benjamin (14 June 2018). "What is a massif?". WorldAtlas. Retrieved 18 November 2019.
- "massif". Merriam-Webster Unabridged. Retrieved 18 November 2019.
- "Mountains Information and Facts". National Geographic. 15 October 2018. Retrieved 18 November 2019.
- "The Sydney Morning Herald, November 6, 2009". 2009-11-06.