Talk:Richmond Group (geology)

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Abandoned as

"Richmond Group has been abandoned as a lithostratigraphic term, and has been used as a chronostratigraphic term (Richmondian Stage) for some time.(USGS (n.d.) Geographical Lexcon. https://ngmdb.usgs.gov/Geolex/Units/Richmond_3541.html) Trilotat (talk) 00:09, 5 June 2019 (UTC)[reply]