Chert (/ tʃɜːrt /) is a hard, fine-grained sedimentary rock composed of microcrystalline or cryptocrystalline quartz, [1] the mineral form of silicon dioxide (SiO 2). [2] . Chert is …

Chert is a sedimentary rock composed of microcrystalline or cryptocrystalline quartz, the mineral form of silicon dioxide (SiO 2). It occurs as nodules, concretionary masses, and as layered …

Flint is gray to black and nearly opaque (translucent brown in thin splinters) because of included carbonaceous matter. Opaque, dull, whitish to pale-brown or gray specimens are simply called …

Chert is a hard, fine-grained sedimentary rock composed almost entirely of silica (SiO₂) in the form of microcrystalline or cryptocrystalline quartz.

Sep 8, 2012 · Chert is a hard and compact sedimentary rock made mostly of tiny quartz crystals. It commonly occurs in carbonate rocks, either as nodules or as layered deposits known as …

Churt Parish Council website brings you information on our parish council activities, portfolios and facilities, plus everything you need to know about living in or visiting our vibrant community of …

CHERT definition: a compact rock consisting essentially of microcrystalline quartz. See examples of chert used in a sentence.

WELCOME TO CHURT HERITAGE! Churt is a village in the Surrey Hills. The modern village straddles the A287 about halfway between Farnham and Haslemere. About 2000 people live …

Dec 4, 2016 · The meaning of CHERT is a rock resembling flint and consisting essentially of a large amount of fibrous chalcedony with smaller amounts of cryptocrystalline quartz and …

Churt lies just east of the Hampshire border. Churt falls within the district council of Waverley, under the county council of Surrey. It is in the GU10 postcode district. The post town for Churt …