From Earth Magazine:
Geochemistry of English coins solves Medieval European economic mystery; reveals trade routes.
Nearly 500 years ago, Europe entered into a massive and prolonged economic crisis. Historians and economists have debated the cause ever since. Now, geologists are looking to the coins of the era themselves for clues…
This story appears in the February 2013 issue of Earth Magazine. To request a pdf, please email firstname.lastname@example.org