mineral vein vs formation

mineral vein and formation both are nouns.

Word	Noun	Adjective	Verb	Adverb
mineral vein	Yes	No	No	No
formation	Yes	No	No	No

As nouns, formation is a hypernym of mineral vein; that is, formation is a word with a broader meaning than mineral vein:

Other hypernyms of mineral vein include geological formation.

mineral vein (noun)	formation (noun)
a layer of ore between layers of rock	the act of fabricating something in a particular shape
	the act of forming or establishing something
	creation by mental activity
	a particular spatial arrangement
	an arrangement of people or things acting as a unit
	(geology) the geological features of the earth
	natural process that causes something to form