The Flannelcasters talk about what causes lahars and the dangers associated with these volcanic-related events.
#96 - Siletzia
This week the Flannelcasters talk about Siletzia and some U.S. Pacific Northwest tectonics.
#95 - Plutonium, Darwin's Arch, & Ghost Forests
The Flannelcasters talk about extraterrestrial plutonium in the ocean, Darwin’s Arch in the Galapagos Islands falling down, and ghost forests releasing greenhouse gasses.
Links:
Extraterrestrial Plutonium Atoms Turn Up on Ocean Bottom
Galapagos rock formation Darwin's Arch has collapsed
‘Tree Farts’ Increase Carbon Emissions in Ghost Forests
#94 - Chert
The Flannelcasters talk about chert - it’s uses, how it’s made, and where it forms. Also, they talk about why diatoms are so important to life on Earth.
# 93 - Banded Iron Formations
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.