2009, Günter D. Roth, Handbook of Practical Astronomy[1], Springer Science & Business Media, →ISBN, page 492:
The Asteroid Belt was formed from silicate and metal-rich, but ice-poor material.
2016 January 15, Bryan Enk, “Belter Creole 101”, in SYFY[2]:
Believe it or not, Belter slang — or, more officially, Belter Creole — isn't a completely made-up way of communicating. It's actually a mix of several Earth languages spoken by the original settlers in the Asteroid Belt colonies — very appropriate, as the Belt is a melting pot of several different races, customs and backgrounds.
