Quarry. an open-cut operation for mining coal, ores, and nonmetallic materials. In the coal industry the quarry is called a pit, and in ore mining it is sometimes referred to as a mine.
Master Chief is the main character of Halo comic series by Marvel Comics. He is a genetically augmented super soldier for the UNSC and is one of the few survivors of the SPARTAN II project. He is one of the greatest if not the greatest soldier in UNSC history. Halo: Uprising.
In Halo 4 -the beginning of the Reclaimer Saga, both Catherine Halsey and Cortana refer to him by name twice. Humans generally refer to him as the Master Chief, Chief for short, or Sierra-117. The Covenant, aware of the lethality of the Spartans, refer to John exclusively as Demon.