No.14
Geology sub-topics
God-tier
Structural Geology & Tectonics
Mineralogy
Petrology
Field Geology
OK Tier
Geochemistry
Geophysics
Petroleum Geology
Geomorphology (it's barely OK tier)
Shit Tier
Paleontology
Environmental Science
No.23
I christen this thread with a picture of bismuth. May this picture be reposted again and again for all eternity.
No.42
Such shit taste in science. OP is a massive faggot