The Geology Flannelcast

The Flannelcasters talk about Banded Iron Formations. These rocks are super old, no longer are formed on Earth, and record the appearance of abundant oxygen.

The Flannelcasters talk about the snowball Earth hypothesis, where the Earth froze over several times at the end of Precambrian time.

The Flannelcasters talk about Harry Hess and the origin of the theory plate tectonics.

The Flannelcasters talk about Alfred Wegner, the man who proposed the continental drift hypothesis, which eventually paved the way for the theory of plate tectonics.

This is part two of two in the Appalachian Mountains series. The Flannelcasters cover the Alleghanian Orogeny and the erosion of the Appalachians.

In this first of two part series, the Flannelcasters cover the geologic history of the Appalachian Mountains from the Grenville to Acadian Orogeny.

Kelly Blake returns to discuss the role of women in geology.

Links:
Women in Geothermal

The Flannelcasters talk about the origin of life; how, when, and where life most likely started.

The Flannelcasters talk about a possible ocean in early Earth history that covered the globe, newly discovered ways that humans are affecting relative sea-level rise, and how the oldest meteorite ever discovered is pretty unique.

Links:
Ancient Earth Really Was a Serene Water World, New Evidence Confirms
Sea-Level Rise Affects Coastal Areas 4 Times Faster Than We Thought. Here's Why
4.6-billion-year-old meteorite is the oldest volcanic rock ever found

Mt. Sinabung in Indonesia erupted this week. The Flannelcasters devoted the entire episode to talking about Indonesia’s volcanoes. They also talk about Saudi Arabian oil and the Richter scale.