Rocks from Alberta and Beyond - Rock & Fossil Clinic 2020 recorded session
43:39
33. How to Identify Rocks
56:45
The Scenic Geology of Alberta: Informing the public
8:28
Perfect Alteration Indicator Porphyry
1:08:09
Anthracite Fossils of Eastern Pennsylvania
24:02
Jade Hunting, How to "Identify" and "Test" Jade!
17:13
¿Podría el cultivo de plantas revertir nuestra adicción por la minería?
1:06:54
Acidification & Estuaries: Connecting Science to Management
27:25