European Cretaceous Flints on the Coast of North America

Science  14 Jun 1968:
Vol. 160, Issue 3833, pp. 1225-1228
DOI: 10.1126/science.160.3833.1225


Flint pebbles and nodules from the Upper Cretaceous chalks of Europe occur offshore and at many seaports along the Atlantic coast of North America, where they were brought as ship's ballast. Isolated pieces imported from Europe as gunflints also are present.