Rachel Phillips with a set of well-produced videos for almost every geology discipline.
Katryn Wiese (Earth Sciences Department at City College of San Francisco) with video explorations of topics of interest to students of the Earth Sciences at the introductory level.
William Daniel - a geologist providing educational videos and academic presentations on different aspects of geoscience.
Dr. Keith Miller (Kansas State University) explaining geology concepts in simple terms
An incredible educational project founded by Harsh Vardhan Dwivedi and Abhudai Beohar
Major ore deposit types and exploration concepts explained by SprottEDU
Drilling methods well explained