Where: Glarus · Europe · approx. 46.97, 9.17 (vicinity only)
Why this spot: Oligocene fish shale
What turns up: Fossil fish (Palaeorhynchus), crustaceans in laminated shale
Access: Gray area.
Historic slate quarries; collecting limited, some protected.
Open in Mudlark Map →
Satellite view, historic-map overlays, tide/flow context and field notes are in the app. Exact research detail is part of Pro.
Pins are approximate by design. This page is historical research, not permission to dig. Check ownership and local law first.