Video Igneous Rocks by Myrna Martin
Myrna Martin introduces each chapter in the Igneous Rock Identification book on this video. There are 12 chapters in the book. You will learn about different types of volcanic rocks blown out of volcanoes during an eruption plus igneous rocks formed in lava flows. Myrna covers the main points in each chapter of the book plus extra information about igneous rocks not contained in the written material.
The total length of the Igneous Rock Identification video is 2:03:04. The video is divided into 2 parts to download. When you purchase the video, it can be downloaded instantly.