Unconformity at the Base of the Silurian in Southeastern Pennsylvania

• 31 December 1930
• journal article
• Published by Geological Society of America in GSA Bulletin
• Vol. 41  (4) , 629-658
• https://doi.org/10.1130/gsab-41-629

Abstract

Keywords

• SILURIAN IN SOUTHEASTERN PENNSYLVANIA
• BASE OF THE SILURIAN
• UNCONFORMITY AT THE BASE