Here, I discuss Natural Gas and its role in geopolitics.

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I discuss the geologic occurrence of oil including play elements, its prevalence across the globe, some environmental considerations, and refining.

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I talk a lot about diamonds, both as placer and in kimberlites, but also touch on a couple other gemstones that are relatively popular.

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We follow up on our discussion of Gold to talk about Mercury, which is used to isolate gold ore, among other things.

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I talk about Gold, a very interesting precious metal, its geologic occurrence, how it's processed, and some economic considerations.

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Here, I build off our discussion of sand to discuss some applications of "aggregate", why it's mined in and near urban centers, and its broad use in drilling wells.

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Here, I talk about porosity and permeability as applied to groundwater and introduce some of the contentious issues around water resources, particularly in water-stressed (arid) environments.

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I describe the industrial and geologic benefits of clays, and talk a bit about where and how they're mined.

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Here, I discuss the global lithium trade, the geology of lithium ore, hint towards some environmental and cultural considerations, and talk briefly about battery types and recycling!

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Here, I talk about the structure of the Earth, where this data comes from, and how this is related to the natural concentration of valuable minerals and sources of energy.

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