Skip to main content
U.S. flag

An official website of the United States government

Exposing Pliocene Lignite Bed Near a BEN Village

Detailed Description

Nikola Pavlovic, a kidney specialist and a USGS collaborator on Balkan endemic nephropathy (BEN) studies from Serbia, is shown exposing a small Pliocene lignite bed near a BEN village in the Vratza area of Bulgaria. The Pliocene lignite seams vary greatly in size and extent. BEN villages are always close to these Pliocene lignite deposits.


Public Domain.