YMC Educational Talks - Pegmatites of the Pikes Peak Batholith by Mark Jacobson
26:41
Colorado Experience: Glen Eyrie Castle
1:08:23
The Hit-and-Run Model for the Sevier & Laramide Orogenies of Western North America
1:28:50
Spectacular Gem Crystals: Pegmatite Pocket Formation and Survival
32:10
How granitic melts strengthen the crust - resolving the "pegmatite paradox"
21:46
Learn to Identify Rivers in the Rock Record with a Geologist
1:30:24
Mineral Talks LIVE - Episode 35 - Joe Dorris - Founder; Pinnacle 5 Minerals, Manitou Springs, CO, US
20:42
Peter Lyckberg: “Gem Pegmatites: An Update on Recent Production”
55:58