Mostly quartz feldspar and clay minerals; may contain fragments of other rocks and materials
I would say that the answer is A.
Your question is how to spelled wrong. I said,"What is the definition of the word "cast" means? Cast is a performers in a play, it is a noun. Noun is a person, place, or thing.
Hope it helped you.
-Charlie
Answer:
it would gain rich oil and gas depotsits