He drifted past saguaros and alkali flats, camped beneath escarpments of naked Precambrian stone.
Jon Krakauer -- Into the Wild
A very rare Cambrian crustacean, she explained.
Micheal Scott -- The Alchemyst
Amid cheers that rent the welkin, responded to by answering cheers from a big muster of henchmen on the distant Cambrian and Caledonian hills, the mastodontic pleasureship slowly moved away saluted by a final floral tribute from the representatives of the fair sex who were present in large numbers while, as it proceeded down the river, escorted by a flotilla of barges, the flags of the Ballast office and Custom House were dipped in salute as were also those of the electrical power…
James Joyce -- Ulysses
Beside the road I saw a very large establishment, the greatest distributor of sea shells in the world—and this in Wisconsin, which hasn’t known a sea since pre-Cambrian times.