Dr. Mortenson discusses the history of geology and the shift away from flood geology and the philosophical assumptions that drove it.
To watch his presentation on where the millions of years idea came from: https://answersingenesis.org/media/video/age-of-the-earth/millions-of-years/
To order his book The Great Turning Point, go to answersingenesis.org or amazon.com
Bio:
Dr. Terry Mortenson holds an MDiv and a PhD in the history of geology. He has lectured in 35 countries and formerly served for 26 years with Campus Crusade for Christ in the United States and in Eastern Europe. He now serves as an author, speaker, and researcher with Answers in Genesis.