BGS Rock Classification Scheme

Conglomerate, hornfelsed

Code	CONGH
Description	Conglomerate, hornfelsed
Qualifiers	hornfelsed
Definition	Metasedimentary rock, conglomerate protolith with original clasts >50% or predominantly gravel-grade, >2mm & dominantly rounded to well rounded. Compositon undefined, recrystallised by contact metamorphism to a hard rock lacking parting planes.
Linked data	http://data.bgs.ac.uk/id/EarthMaterialClass/RockName/CONGH

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CAVEAT

"Thumbnail" definitions attached to some of the table entries are an interim attempt to provide simple short descriptions of the "unqualified" rock types presented within the BGS Rock Classification Scheme. Every effort has been made to ensure accuracy and consistency but minor contradictions or omissions might be present. The BGS welcomes any feedback pointing out such minor imperfections and/or providing constructive comment and suggestions for improvement of the definitions. In the first instance such feedback should be directed to Dr Tim McCormick.