Ripple Marks
Photographed by Michael P. Klimetz
Triassic/Norian
[212 mybp]
Passaic Formation
Lyndhurst
Bergen County
NEW JERSEY
Worm Burrow
Coprolite (?)
Photographed by Michael P. Klimetz
Upper Cambrian
Mount Simon Sandstone
Krukowski Quarry
Mosinee
Marathon County
WISCONSIN
Photograph Courtesy of the British Geological Survey
[Silurian]
Rhynie
UNITED KINGDOM
Photograph from Y. Tang et al., Geoscience Frontiers 3(5) (2012)
Asymmetric Ripple Marks
Late Triassic
Zhuwo Formation
CHINA
Photographed by Michael P. Klimetz
Triassic/Norian
[212 mybp]
Passaic Formation
Lyndhurst
Bergen County
NEW JERSEY
Photographed by Michael P. Klimetz
Triassic/Norian
[212 mybp]
Passaic Formation
Lyndhurst
Bergen County
NEW JERSEY
Photographed by Michael P. Klimetz
Asymmetric and Eroded/Truncated Ripple Marks
Early Permian
El Pueblo Tracksite
NEW MEXICO
Photographed by Michael P. Klimetz
Upper Cambrian
Mount Simon Sandstone
Krukowski Quarry
Mosinee
Marathon County
WISCONSIN
Photographed by Michael P. Klimetz
Upper Cambrian
Mount Simon Sandstone
Krukowski Quarry
Mosinee
Marathon County
WISCONSIN
