All Episodes
GEO Podcast — 79 episodes
Microfossils
Shale - and how we use it
Sandstone - quartz, arkose and lithic
Apparent Polar Wandering & Plate Tectonics
Seeing Inside the Earth
Tectonic Plates - Lithosphere, Moho, Asthenosphere
Three reasons why civilizations grew up around volcanoes
Salt Weathering
Current Iceland Volcanic Activity 101
Fake & Pseudo Fossils
Where does magma come from?
All about limestone
Bowens Reaction Series
Earth's Major Systems
Buying a rock (geologic) hammer
Earth's largest volcano erupts - Mauna Loa 2022
Have I found gold? Simple tests to find out!
Hawaii - why I love taking people to visit the volcanoes
The 5 Great Extinctions
Graptolites
Elements needed for an EV battery
Volcanic Explosive Index
Volcanic Eruption Styles
Sapphires, Rubies & Corundum (oh my!)
Longshore Drift - the shifting sands
Volcanoes & Climate
Focus & Epicenter - important earthquake terms
Ring of Fire - what's happening around the Pacific?
Diamonds - all about those gems!
Index Fossils - the keys to dating layers
Landslides - the 'other' natural disaster!
Radioactive dating - how does it tell us how old rocks are?
The History of the theory of Plate Tectonics
What are the mechanisms that drive Plate Tectonics?
Sand - why do we see such variations?
Missing time - what are unconformities?
Seeing inside the Earth
Trilobites - King of the fossils!
The Earth's layers explained
What is a glacier?
Why are dikes awesome?
Why is Iceland an island?
Why are some volcanic eruptions, like Tonga and Krakatoa, so explosive?
Why is Hawaii such a great learning laboratory
Volcanic eruptions - how we monitor what a volcano is doing
Rivers - simple morphology and classification
Banded Iron Formations and what they tell us about the Earth's evolution
Earth's natural (geological) resources - what are they?
Lithosphere, Asthenosphere and Moho- what's that all about?
Continental Crust - whats it all about?
Oceanic Crust - what is it all about?
Metamorphic rocks for beginners
Life as a Geologist - Dr Chris Spencer
Four ways to get field experience - for college/university students
Evidence for past climate change
Volcano shapes - shield, composite/stratiform, caldera - and chemistry
Transform fault plate boundaries - what are their features?
Convergent plate boundaries - subduction, collision and Island arcs - what are their features?
Divergent plate boundaries - what are their features?
The Evidence for Plate Tectonics
Tsunami - the science behind the waves
Limestone Caves - how do they form (the chemistry of solution caves)
Earth's Magnetic Reversals and Plate Tectonics
Mineral Occurrence through to Ore Deposit. What do these terms mean?
Oil - how is oil formed and trapped.
Relative Dating - working out what happened first, second...
Erosion - moving stuff around
Weathering - breaking down in place.
Starting off rock and mineral collecting
The Science of Gold
Earthquakes - what you need to know!
Silicate minerals - for non scientists
Geoscience jobs - just some of the types of geologist!
All about granite
Simple rock classification - Igneous, Sedimentary & Metamorphic Rocks
Introduction to Plate Tectonics
Mineral color and streak
Mineral hardness - and how to work out the hardness of an unknown mineral
Why geology and what got me hooked?