2025 Archives - GeOCHemISTea Podcast

Volcanoes, Mush and Mineralization with Mike Stock

GEOCHEMISTEA

Volcanoes, Mush and Mineralization with Mike Stock

00:00 / 1:00:10

In this episode of GeOCHemISTea, Sam talks with Mike Stock, Professor at Trinity College Dublin, about magma systems from eruption to emplacement.

GEOCHEMISTEA

The mineralogy hidden in your assays with Scott Halley

00:00 / 1:00:47

This month on GeOCHemISTea, Sam sits down with Scott Halley to talk about extracting meaningful mineralogy from standard four-acid assay data.

GEOCHEMISTEA

Geochemistry Without Borders: A Conversation with Alecos Demetriades

00:00 / 00:53:27

Alecos Demetriades, applied geochemist and Chair of the IUGS Commission on Global Geochemical Baselines (2024–2028)

GEOCHEMISTEA

Geochemical exploration in low sulfidation epithermal systems with Simon Griffiths

00:00 / 00:56:06

Simon Griffiths breaks down geochemical strategies for low-sulfidation epithermal systems, roscoelite vectors, sampling workflows, and real-world exploration lessons from Porgera.

GEOCHEMISTEA

From Sardis to the lab: a gold assay deep dive with Hugh De Souza

00:00 / 00:58:59

Hugh De Souza traces gold analysis evolution from fire assay to photon assay, sharing lab experience, physics insights, and perspectives.

GEOCHEMISTEA

Fine Fractions & Big Discoveries: A Deep Dive into Drainage Geochem with Mary Doherty

00:00 / 00:53:27

Mary Doherty discusses stream sediment geochemistry fundamentals, evolving methods, QA/QC, and how modern tools shape effective mineral exploration workflows.

GEOCHEMISTEA

Into the Plume: Hydrothermal Geochemistry and Alvin Adventures with Andy Campbell

00:00 / 1:02:16

Andy Campbell explores seafloor hydrothermal geochemistry, manganese cycling, Titanic submersible stories, and how ocean science shaped careers beyond labs globally.

GEOCHEMISTEA

Geothermal Geochemistry and the Roads Less Taken with Stuart Simmons

00:00 / 1:29:56

Stuart Simmons discusses career pivots, geothermal geochemistry, isotope studies, and enhanced geothermal systems, highlighting openness to opportunity in geoscience careers.

GEOCHEMISTEA

Probing paleorecords to understand future climates with Brittany Hupp

00:00 / 1:04:01

Brittany Hupp explores ancient climate change, PETM geochemistry, micropaleontology, and interdisciplinary geoscience careers linking past oceans to future climate insights.

GEOCHEMISTEA

Dynamic mapping of tailings oxidation with Oscar Benavente

00:00 / 1:07:09

This month GeOCHemISTea talks with Oscar Benavente, an environmental geochemist at SRK Consulting, about using satellite imagery to monitor mine drainage and environmental change.

Archive Tag: 2025