AGRY 565

Cratonic Rocks
- igneous and metamorphic rocks
- exposed in Canada
- covered in IN
Interior platform
- central US and Canada
- mostly limestones, sandstones and shales
- shallow sea
- were originally level
Dates for pleistoncene
and divisions
- 1.8 million - 8,000 years ago
- Wisconsinan
- Illianoian
- Pre-Illinoian
Draw Wisconsin Ice extent

Author

MRK

241352

Card Set

AGRY 565

Description

Soils of IN

Updated

2013-11-01T14:27:52Z