Union Chapel Mine

Evidence of Change Through Time

Evidence of Change Found at Union Chapel Mine

• Cyclothem

• Tetrapod Trackways

• Invertebrate Trackways and Traces

• Plants (back counter)

• Marine Invertebrates (back counter)

• Insects and Arachnids (not pictured)

Cyclothem

Vertebrate Trackway

Tetrapod Evolution

Myriapod Trace

Diplichnites gouldi – closeup of UCM – 393.

Arthropleura

More Invertebrate Traces

Kouphichnium aspodon (right) – the locomotion trace of a Xiphosuran.

Arborichnus repetitus (left) – a Xiphosuran resting trace.

Undichna – A Fishy Trace

Undichna, a fish swimming trace.

A Paleozoic Fish

Tales Told by the Evidence of Union Chapel Mine

• Time Frame

• Coal Swamp

• Alabama During the Pennsylvanian

• Pennsylvanian Global Map

• Plate Tectonics

Geologic Time Scale

The Pennsylvanian Period

Anatomy of a Coal Swamp

Pennsylvanian Forest

Alabama During the Pennsylvanian

The Pennsylvanian World

References• Cyclothem -

http://www.msstate.edu/dept/GeoSciences/CT/TIG/WEBSITES/LOCAL/Spring2002/Gregory_Harris/cyclothem.JPG

• Trackway of Nanopus reidiae, Myriapod Trace, Kouphichnium, Arborichnus, Undichna - Pennsylvanian Footprints in the Black Warrior Basin of Alabama edited by Buta, R.J., A.K. Rindsberg, and D.C. Kopaska-Merkel, Alabama Paleontological Society Monograph No. 1.

• Tetrapod Evolution - http://www.origins.tv/darwin/tetrapod2.jpg• Arthropleura -

http://www.palaeos.com/Invertebrates/Arthropods/Arthropleurida/Arthropleura.jpg

• Geologic Time Scale - http://jersey.uoregon.edu/~mstrick/AskGeoMan/AskGeoImages/RelTimeScale.gif

References• Anatomy of a Coal Swamp -

http://smtc.uwyo.edu/coal/images/anatomy_of_a_Swamp.jpg

• Pennsylvanian Forest - http://www.karencarr.com/Images/Gallery/2004_gallery_pennsylvanian.jpg

• Alabama Paleomap – Lacefield, Jim, Lost Worlds in Alabama Rocks.

• Late Carboniferous Paleomap - http://www.scotese.com/images/306.jpg