e/Chilhowee formation

Information
has gloss	eng: The Chilhowee Group is a sedimentary body composed of early Cambrian siliciclastic sedimentary rocks which crop out along the eastern margin of the Blue Ridge province in Maryland and Virginia. They represent a rift to passive margin sequence, with mostly coarse, feldspathic sandstones and conglomerates in the lower member and shales and phyllite in the upper members.The Chilhowee Group contains three main formations; the Weverton, Harpers (Hampton) and Antietam (Erwin).
lexicalization	eng: Chilhowee formation
instance of	(noun) from 544 million to about 500 million years ago; marine invertebrates Cambrian, Cambrian period