Volcano shapes - shield, composite/stratiform, caldera - and chemistry
GEO Podcast21 Jun 2020

Volcano shapes - shield, composite/stratiform, caldera - and chemistry

In this episode, I talk about how volcanoes get different shapes due to the chemistry of the molten rock materials. We talk about the shield, composite/stratiform and caldera volcanoes...and a little about cinder cones. We mention silicate chemistry and the effect of water on shapes and eruption style.This is a great primer to volcanoes! Interested in joining us on a trip? Check out our field adventures here.Support the show

Episoder(79)

Microfossils

Microfossils

You can find the GEO podcast on iTunes right here. You can also find GEO Podcast or all the major podcast capture platforms! (Go on...subscribe and do not miss the new episodes) In this episode, I tal...

7 Feb 20258min

Shale - and how we use it

Shale - and how we use it

You can also find GEO Podcast or all the major podcast capture platforms!(Go on...subscribe and do not miss the new episodes)In this episode, I talk about shale, some major types, and how humans have ...

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Sandstone - quartz, arkose and lithic

Sandstone - quartz, arkose and lithic

You can find the GEO podcast on iTunes right here. You can also find GEO Podcast or all the major podcast capture platforms! (Go on...subscribe and do not miss the new episodes) In this episode, I tal...

24 Jan 20255min

Apparent Polar Wandering & Plate Tectonics

Apparent Polar Wandering & Plate Tectonics

You can also find GEO Podcast or all the major podcast capture platforms!(Go on...subscribe and do not miss the new episodes)In this episode, I explain what apparent polar wandering curves are and how...

17 Jan 20255min

Seeing Inside the Earth

Seeing Inside the Earth

In this episode, I explain how seismic waves are used to see the internal structure of the Earth including the crust, mantle, outer core, and inner core.You can also find GEO Podcast or all the major ...

30 Sep 20249min

Tectonic Plates - Lithosphere, Moho, Asthenosphere

Tectonic Plates - Lithosphere, Moho, Asthenosphere

In this episode, I talk about the structure of a tectonic plate and introduce the terms crust, mantle, lithosphere, moho discontinuity, and asthenosphere.You can find the GEO podcast on iTunes right h...

11 Sep 20244min

Three reasons why civilizations grew up around volcanoes

Three reasons why civilizations grew up around volcanoes

In this episode, I talk about the three reasons why people and civilizations grew up around active volcanoes. Why did people need to live close to the dangers of eruptions? What was it that drove a...

29 Mar 20245min

Salt Weathering

Salt Weathering

In this episode, I talk about how salt acts as a physical weathering agent to break down rocks. Physical weathering is the breaking down of rocks without a chemical change, and salt can act as the ag...

21 Mar 20246min

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