earthstory reblogged
The class I’m teaching has an exam coming up so I made them some practice problems for relative age relationships and applying stratigraphic principles… I think they turned out looking pretty good!
@earthstory / earthstory.tumblr.com
The class I’m teaching has an exam coming up so I made them some practice problems for relative age relationships and applying stratigraphic principles… I think they turned out looking pretty good!