quartz vein sentence - quartz vein sentence in Hindi (11-20)

	11.	Fastnet Rock is a small clay-slate islet with quartz veins.
	12.	Quartz veins containing gold are exposed west of Dundas Bay and on Gilbert Island.
	13.	The Alaska Empire underground lode mine recovered gold from quartz veins in metamorphic rocks.
	14.	By the early 1900s, numerous other gold-bearing quartz veins had been discovered and mined.
	15.	Below the limestone is mica schist carrying small quartz veins.
	16.	Quartz veins and igneous rocks form most of its geology.
	17.	The Good Hope quartz vein was found in 1874.
	18.	The gold ore comes from the quartz veins containing pyrrhotite, pyrite, galena and zinc blende.
	19.	Gold mineralization at Goldboro occurs in quartz veins and disseminated sulphides in the wall rock.
	20.	However, the torrential rains afterwards exposed more quartz veins.

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