"Pumiceous" Quotes from Famous Books
 ... Patagonia is interesting. For hundreds of miles of coast there is one great deposit composed of shells—a white pumiceous stone like chalk, including gypsum and infusoria. At Port St. Julian it is eight hundred feet thick, and is capped by a mass of gravel forming probably one of the largest beds of shingle in the world, extending to the foot of the Cordilleras. For 1,200 miles from the Rio Plata to ...
— The World's Greatest Books, Volume 19 - Travel and Adventure • Various |
