- K–Pg boundary;
Complex Cretaceous–Paleogene clay
layer (gray) in the
Geulhemmergroeve tunnels near Geulhem, The
Netherlands (finger is just
below the actual...
-
Complex Cretaceous-Paleogene clay
layer (gray) in the
Geulhemmergroeve tunnels near Geulhem, the Netherlands.
Finger is just
below the
actual K–Pg boundary...
-
Geulhemmergroeve tunnels near Geulhem, The Netherlands....
- (Steenkolenmijn Valkenburg)
Geulhemmergroeve]
Limburg Geulhem Lime 50°52′01″N 5°47′01″E / 50.8669°N 5.7836°E / 50.8669; 5.7836 (
Geulhemmergroeve)
Sibbergroeve Limburg...
