Question

"Although, over 2000 minerals have been identified, only a few are abundantly found in most of the rocks." I understood this sentence, but please I want a further explanation. No similar queries or links please.

Answer 1

I can give an example but not an definite answer , if you are eating chapati with side dish u won't have plate full of side dish but u will have a plate full of chapati
just compare this to your question