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GeOCHemISTea

Sam Scher
Geochemistry
Mineral Exploration
Remote Sensing
Mining
Pyrite Chemistry
Hyperspectral Data
Spectroscopy
Sample Preparation
Hyperspectral Core Imaging
Geochemical Exploration
Geometallurgy
Laser Ablation Icp-Ms
Mining Industry
Microanalytical Techniques
Sampling Techniques
Imex Consulting
US Geological Survey
Rock Crushing
Prostate Cancer Research
Environmental Science

Every geoscientist is capable of understanding and applying geochemical data, however, at GeocHemiSTea we understand that there is an incredible amount of nuance and accumulated knowledge. We are here to break down the impediments towards geoscientists learning more about this exciting field! Are you a student wanting to break into the field? Listen to each episode to see how reknown geochemists g... more

PublishesMonthlyEpisodes59Founded5 years ago
Number of ListenersCategories
Earth SciencesScience

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Artwork for GeOCHemISTea

Latest Episodes

In this episode of GeOCHemISTea, we sit down with Lynda Bloom, an internationally recognized exploration geochemist and QA/QC specialist, to reflect on nearly 50 years in the mining industry and unpack some of her biggest geochemical beefs. From the ... more

YouTube

What if we treated mine waste with the same curiosity and rigor as the orebody itself?

This month on GeOCHemISTea, Sam sits down with Dr. Anita Parbhakar-Fox to talk about rethinking mine waste across the life of mine. From environmental geometallur... more

YouTube

In this episode of GeOCHemISTea, Sam talks with Dr. Brenda Bowen, Professor of Geology and Geophysics at the University of Utah, about using remote sensing to understand geochemistry at the scale of entire landscapes.

Brenda traces her work from the... more

YouTube

Is the next generation of mineral discoveries really hiding at extreme depths, or have we overlooked opportunities much closer to the surface?

In this episode, Sam sits down with returning guest Mark Arundell, geoscientist and geochemical consultant... more

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Recent Guests

Lynda Bloom
Exploration geochemist and QA/QC specialist with decades of mineral exploration and laboratory experience
Analytical Solutions Limited
Episode: Geochemistry QA/QC: 50 Years of Beef with Lynda Bloom
Anita Parbhakar-Fox
Technical and Innovation Lead in Geoscience at Clone Krippenberger; honorary professor at the Sustainable Minerals Institute, University of Queensland
Clone Krippenberger; Sustainable Minerals Institute, University of Queensland
Episode: What If We Treated Waste Like Ore with Anita Parbhakar-Fox
Brenda Bowen
Professor of Geology and Geophysics and Chair of Atmospheric Sciences at the University of Utah
University of Utah
Episode: From Hand Samples to Satellites: Geochemistry with Brenda Bowen
Mark Arundell
geoscientist and geochemical consultant
Episode: The Fallacy of the Deep with Mark Arundell
Sam Scher
Geoscientist, founder of LKI Consulting; hyperspectral expert; adviser and podcast guest
LKI Consulting
Episode: The Rocks Meet Wall Street with Dave Lawie & Sam Scher
Pedro Acosta-Gongora
Geochemist at the Geological Survey of Norway
Geological Survey of Norway
Episode: Data Levelling Panel with Pedro Acosta-Gongora & Tom Carmichael
Tom Carmichael
Mathematical geologist, co-founder of Datorac (now part of IMDEX)
IMDEX / Datorac
Episode: Data Levelling Panel with Pedro Acosta-Gongora & Tom Carmichael
Gabe Bowen
Professor of geology and geophysics at the University of Utah; director of the Spatiotemporal Isotope Analytics Lab and the Surfer Stable Isotope Facility
University of Utah
Episode: From Evidence to Origin: Solving Mysteries with Isoscapes with Gabe Bowen
Owen Missen
Lecturer in environmental geology at the University of Tasmania; researcher with CODES
University of Tasmania; CODES
Episode: Beyond Bulk Geochemistry: Cobalt, Nanoparticles, and Surface Processes with Owen Missen

Host

Sam Scherr
Geoscientist focused on bridging geology and finance; frequent host/interviewer on topics spanning geochemistry, data workflows, and mining finance.

Chart Rankings

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Talking Points

Recent interactions between the hosts and their guests.

Geochemistry QA/QC: 50 Years of Beef with Lynda Bloom
Q: Why do we spend so much time blaming laboratories when the biggest problem may have happened before the sample ever arrived there?
Laboratory failures are easier to identify, but biased or unrepresentative sampling cannot be repaired later. Proper field duplicates can reveal the limits of the sampling method and inform interpretation.
Geochemistry QA/QC: 50 Years of Beef with Lynda Bloom
Q: Why is looking at averages to compare data sets a problem?
Geochemical populations are often highly skewed, with many small values and a few large ones, so averages and methods that assume normal distributions can mislead. Visualizing the data and using robust approaches can reveal differences hidden by summary statistics.
The Fallacy of the Deep with Mark Arundell
Q: What assumptions in the industry are you challenging with the fallacy of the deep idea?
The idea that deeper drilling will automatically uncover the next big discovery, and the tendency to focus on deep targets due to the perceived value of higher-risk, higher-reward outcomes, while often ignoring the abundant value in shallower, well-supported targets and the need for robust data integration across disciplines.
The Rocks Meet Wall Street with Dave Lawie & Sam Scher
Q: What fundamental misunderstanding do financiers have about mining projects?
Financiers often treat resource models as fixed truths without accounting for the underlying geological processes, metallurgical realities, and processing constraints that can drastically change a project's economics.
From Evidence to Origin: Solving Mysteries with Isoscapes with Gabe Bowen
Q: Could you walk us through why oxygen, hydrogen, and strontium are commonly used to investigate geographic origin, or if there are other systematics that you're using?
Oxygen and hydrogen reflect the water cycle and climate signals, giving broad geographic gradients that can distinguish large regions. Strontium reflects underlying geology and bedrock, offering a complementary, more local constraint. Together they provide a powerful two-layer approach to narrowing down origins, with other isotopes like sulfur providing additional context in coastal or dietary scenarios.

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Frequently Asked Questions About GeOCHemISTea

What is GeOCHemISTea about and what kind of topics does it cover?

This series centers on geochemistry and its practical applications across geology, mining, environmental science, and data analytics. Episodes frequently explore how advanced techniques—remote sensing, hyperspectral imaging, isoscapes, and machine learning—translate geochemical signals into actionable insights for exploration, environmental risk, and mining finance. Guests range from university researchers to industry practitioners, sharing career trajectories, practical workflows, and debates about data leveling, sampling, and the integration of tech with traditional geoscience. A distinctive feature is the Tea Time/curated guest interactions that mix technical discussions with candid career reflections, making complex topics accessible to... more

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1. Radiolab
2. This American Life
3. The Daily
4. Freakonomics Radio
5. Good Hang with Amy Poehler

How many episodes of GeOCHemISTea are there?

GeOCHemISTea launched 5 years ago and published 59 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on GeOCHemISTea?

Recent guests on GeOCHemISTea include:

1. Lynda Bloom
2. Anita Parbhakar-Fox
3. Brenda Bowen
4. Mark Arundell
5. Sam Scher
6. Pedro Acosta-Gongora
7. Tom Carmichael
8. Gabe Bowen

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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