'Pennsylvanian period' presentation slideshows

Geologic Time

Geologic Time. Methods of Dating Rocks. Relative dating - Using fundamental principles of geology (Steno's Laws, Fossil Succession, etc.) to determine the relative ages of rocks (which rocks are older and which are younger).

764 views • 55 slides

users.rcn/jkimball.ma.ultranet/BiologyPages/E/Evolution.html

326 views • 29 slides

Union Chapel Mine

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.

396 views • 19 slides

The Mississippian Period

The Mississippian Period. By Haillie Rost and Jenna Gordon. The Mississippian Period Time Span. The time span of the Mississippian period was about 35 million years and it lasted from 320 million years ago to 360 million years ago.

1.15k views • 12 slides