May. 6th, 2021

neonvincent: For posts about geekery and general fandom (Shadow Play Girl)
I ask my Geology students "How did Michigan’s copper form?" on the worksheet for a field trip they take. The answer is "Michigan's copper deposits formed when Michigan/North America/the continent almost broke apart." The following video explains how and when that happened.

April 2026

S M T W T F S
    1 2 3 4
5 6 7 891011
12131415161718
19202122232425
2627282930  

Most Popular Tags

Style Credit

Expand Cut Tags

No cut tags
Page generated Apr. 9th, 2026 10:58 pm
Powered by Dreamwidth Studios