Paul Brandes is the featured speaker at the Gilsum Rock Swap & Mineral Show on June 25, 2022. His topic: “From Paleo to Present: A Brief History of Mining.” Humans have been mining since the Paleolithic Era more than 60,000 years ago, from chert used for tools to precious metals and gems. Join Brandes, the “Indiana Jones of Geology,” for a walk through time as he explains what people mined in each era and how mining techniques gradually evolved, then accelerated in the 19th century. This presentation is free.
