
Current Iceland Volcanic Activity 101
In this episode, I explain in simple terms what is happening in Iceland these last few years on the plate boundary. I explain the two geological phenomena in Iceland, the recent eruptions and earthqu...
19 Jan 20248min

Fake & Pseudo Fossils
In this episode, I talk about fake fossils and why people create them, as well as pseudo fossils such as dendrites.Visit our GEOetc Members Section - Over 100 teaching resources that are classroom-rea...
22 Des 20235min

Where does magma come from?
In this episode, I talk about how molten rock is formed inside the Earth - what are the mechanisms that cause our planet to produce molten rock to feed volcanoes?Visit our GEOetc Members Section - Ove...
16 Des 20236min

All about limestone
In this episode, I talk about the different forms of limestone and how they form including chalk, coquina, fossiliferous limestone, travertine, and oolitic limestone. Visit our GEOetc Members Sectio...
30 Jun 20239min

Bowens Reaction Series
In this episode I talk about Bowen's Reaction Series - and how it tells us the order of crystallization of minerals from molten rock.Support the show
23 Jun 20237min

Earth's Major Systems
The Earth is a huge system made up of a number of 'spheres' - the geosphere, hydrosphere, cryosphere, atmosphere, and biosphere. What are each of these spheres and how can they interact? This episod...
16 Jun 20236min

Buying a rock (geologic) hammer
In this episode, I talk about the things to consider when buying a geologic hammer - what to look for and the decisions you will need to make. You can find this information and more in my blog post a...
9 Jun 20235min

Earth's largest volcano erupts - Mauna Loa 2022
In this episode, I talk about the recent eruption of Mauna Loa on the Big Island of Hawaii. The eruption was in 2022 and lasted just two weeks - but produced massive around of lava.Come and join us i...
2 Jun 20237min





















