Explore / North America / California
California
Marble Mountains, Chambless CA
Trilobite beds
Fossil site Source-confirmed findsLegal to collect
What you could find
Reported finds from this ground.
FossilsAlso reported: brachiopods, archaeocyathids.
Photos via Wikimedia Commons: Partonez (CC BY-SA 4.0).
Why this spot
Rockhounding locality: Cambrian Latham Shale beds off Route 66 yielding 500-million-year-old olenellid trilobites, collected for over a century
BLM designates the Chambless Rock Collecting Area and publishes a Marble Mountains trilobite collection leaflet; finds continually documented
Before you go
Hazards noted for this site.
Extreme summer heatSharp shale, no services
soft sand on the approach tracks off old Route 66
Keep exploring nearby
More spots in this area.