
Cone-in-Cone
The mineral here is just calcite (even though it’s mostly almost black), but it shows interesting features. Cone-in-cone structures are nest...
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We've concentrated the history of Planet Earth into one year. Follow the geology podcasts chronologically from the origin of the Earth to the origin of Mankind.
Listen to History of the Earth, a Science & Medicine podcast by Richard I. Gibson. Stream 25 episodes in English, follow new audio stories, and play episodes online on Radio and Podcast.
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The mineral here is just calcite (even though it’s mostly almost black), but it shows interesting features. Cone-in-cone structures are nest...

Mineral Monday + Tectonic Tuesday. Blue quartz is uncommon and is usually colored by inclusions of unusual minerals like crocidolite, tourma...

Middle section of the 38-inch cross-section Cover This Tectonic Tuesday is also an example of the History of Geology. “The thrust producing...

Epitaxy, from Greek words meaning “upon” or “above” and “ordered arrangement,” in minerals means crystals of one (or the same) mineral growi...

In the far northwest corner of the flat, flat Texas panhandle, extending into New Mexico, there’s a narrow, elongate magnetic low. The inten...

Thule was the far north in Greek and Roman literature, often identified with Scandinavia. Thursday was named after Thor, the Norse god of th...

2019 marks the sesquicentennial of Dmitri Mendeleev’s Periodic Table of the elements, which was not just an effective organizational scheme...

The mineral is artinite, a magnesium carbonate that is an alteration product of high-magnesium serpentinites of the Diablo Range in central...

Fuchsite is a chromium-bearing variety of the mica muscovite, K(Al,Cr) 3 Si 3 O 10 (OH) 2 . Chromium gives the green color to the muscovite....

This is part of the magnetic map of the former Soviet Union. It reveals three continental blocks and their amalgamation to form part of Eura...

Beginning with this post, the blog is "blog only" - no more podcasts, at least not for now. The brownest zones of barite in this example res...

Carbonatites are strange igneous rocks made up mostly of carbonates – common minerals like calcite, calcium carbonate. Igneous rocks that so...

As near as I can tell in the original daily series in 2014, I never addressed the topic of turbidity currents and their sedimentary product,...

This episode is about some of the interesting connections that arise in science. We’ll start with me and my first professional job as a mine...

Today we’re going back about 280 million years, to what is now Uruguay in South America. 280 million years ago puts us in the early part of...

Today we’re going to the Mountains of the Moon – but not those on the moon itself. We’re going to central Africa. There isn’t really a mount...

Today’s episode focuses on one of those wonderful jargon words geologists love to use: Ophiolites. It’s not a contrived term like cactolith...

In today's episode we’re going to space. Specifically, Mars. You didn’t really think that earth science is really limited to the earth, did...

As the name implies, mud volcanoes are eruptions of mud – not molten rock as in igneous volcanoes. They’re found all around the world, amoun...

Smilodon and dire wolves (drawing by Robert Horsfall, 1913) Running time, 1 hour. File size, 69 megabytes . This is an assembly of the episo...
You can listen to History of the Earth episodes online on Radio and Podcast. Open an episode and the site player will stream the available audio.
History of the Earth is listed as a Science & Medicine show. The show language is listed as English.
This page lists 25 episodes for History of the Earth. More episodes are available from the View more button when the list continues.
You can listen to History of the Earth episodes on this page by opening an episode and using the site player.
History of the Earth is listed as a Science & Medicine show by Richard I. Gibson.
This page lists 25 episodes for History of the Earth where feed data is available.