Glad to have you studying with me! I have more content in the works and I hope you'll enjoy it. For those that are interested, the best textbook out there is this one: https://amzn.to/47VNed8. However, it's a little old now (two of the authors have passed away) and if you prefer a newer textbook, I would recommend this one: https://amzn.to/45UFDcR

For other introductory geology lectures:    • Introduction to Geology  

For other geology virtual field trips:    • Geology Field Trips  

Video discusses the main Aa lava flow of Sunset Crater National Monument, Arizona as well its texture and mineralogy. Virtual field trip to Sunset Crater was filmed in July of 2020.

Closed captioned.