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You are browsing the archive for Geology Archives - Third Pod from the Sun.

November 18, 2020

Songs of the Arches (with Helicopters)

The wind that carved the sandstone of Arches National Park into spectacular arches and towers also plucks them, like giant guitar strings, making them ring at low frequencies. Geoscientist Riley Finnegan and her colleagues in the Geohazards research group at the University of Utah are recording these arch songs in the Park and around Utah with seismometers, the same basic technology geologists use to listen for earthquakes, to learn their characteristic vibration frequencies—and how human noise affects them.

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July 13, 2020

Escape from Thera

About 3,600 years ago, a colossal volcanic eruption blew apart the Greek island Thera, now the popular tourist destination known as Santorini. Falling volcanic rock and dust buried the Bronze Age settlement Akrotiri, on the south side of the island, preserving multi-story buildings, frescoes, tools, furniture and food, until archaeological excavations uncovered them in the last century, much like the eruption of Vesuvius in 79 CE famously buried Pompeii and Herculaneum. But unlike the Roman cities, Akrotiri has a notable lack of bodies.

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May 18, 2020

Mt. St. Helens: 40 Years Later

On May 18, 1980, Mt. St. Helens erupted in Washington state, capping off a series of volcanic events that began on March 27th of that year. The May 18th explosions is credited with causing 57 deaths, >$1 billion in property damage, and forever changed the surrounding landscape.

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December 9, 2019

Third Pod Live: O-klahoma, Where There’s Fracking, Oil, Faults, and More!

What’s it like to be a seismologist who’s studied the Marcellus Shale and San Andreas Fault, worked around the world from Pennsylvania to Rome, and is now a professor at the University of Oklahoma? We found out at AAA’s annual meeting earlier this year when we talked to assistant professor Brett Carpenter.

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December 4, 2019

E24 Part 2- A Walk in the Vault with Jeff Post

Mineralogist Jeff Post has a one-of-a-kind job: he’s curator of the National Gem and Mineral Collection, a collection of over 375,000 rock and mineral specimens housed at the National Museum of Natural History in Washington, D.C. In this episode, Jeff takes Third Pod producers on a tour of the vault, where the collection’s most valuable and rare specimens are kept. Jeff

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December 2, 2019

E24 Part 1- (Hope) Diamonds are Forever

Mineralogist Jeff Post has a one-of-a-kind job: he’s curator of the National Gem and Mineral Collection, a collection of over 375,000 rock and mineral specimens housed at the National Museum of Natural History (NMNH) in Washington, D.C. In this episode, Jeff describes his day-to-day work of maintaining and growing this invaluable collection, which includes being personally responsible for the Hope Diamond and countless other treasures.

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November 25, 2019

Special Release: Tribes, Trails, & Tailings

Mining is more than just harvesting natural resources – it’s about who owns those right and what the land that those mines are on mean to the people who live there.

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November 7, 2019

E23 – Bonus Clip: Meteorite Hunting in Antarctica

Nina Lanza is a member of a research team hunts for meteorites in Antarctica. In this bonus clip from Episode 23, Between a Varnished Rock and a Hard Place, Nina describes the remote location where they set up camp, being holed up while the howling katabatic winds battered her tent and her brain, and explains the strategies and techniques for searching for and collecting space rocks that are lost bits of asteroids …

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November 4, 2019

E23 – Between a Varnished Rock and a Hard Place

Scientists have been testing whether life exists on Mars for over 40 years, ever since the Viking 1 lander touched down on the Red Planet. Researchers often perform experiments on Earth to better understand the context of data collected by Viking 1 and subsequent landers – data that gives scientists tantalizing clues about the habitability of the Martian surface.

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October 21, 2019

CE11 – Plate Tectonics: The Theory that Changed Earth Science

Xavier Le Pichon came to Lamont Geological Observatory in 1959 and spent four months aboard the R/V Vema as a physical oceanography technician. The research cruise set out to test the existence of the mid-ocean ridge system: a long chain of seismically active mountains running along the ocean floor.

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