The Geology of Indiana Limestone: How 340 Million Years Created a Building Stone
SD Stone Doc Technical insights on Indiana limestone Three hundred forty million years ago, Indiana was at the bottom of a shallow tropical sea. The water was warm and clear — similar to the modern Bahamas. Marine organisms thrived in these conditions: crinoids, brachiopods, bryozoans, corals. They lived, died, and accumulated on the sea floor. […]
The Geology of Indiana Limestone: How 340 Million Years Created a Building Stone Read More »









