We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. Read more…
Saturday
04
AUG

RMAG On the Rocks: Giant Ammonites in Kremmling

08:00
17:00

Get Directions

Category
#var:page_name# cover

The August 4th On-the-Rocks field trip will visit a renowned mass nesting site of giant ammonites located north of Kremmling, Colorado, where the ammonite, Placenticeras costatum, forms huge concretions up to 3 ft in diameter within the upper Pierre Shale.