GeOCHemISTea

From Hand Samples to Satellites: Geochemistry with Brenda Bowen

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

The Fallacy of the Deep with Mark Arundell

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

The Rocks Meet Wall Street with Dave Lawie & Sam Scher

For Episode 51, the tables are turned as Imdex Chief Geologist and Technologist Dave Lawie takes over hosting duties and puts Sam in the hot seat. Fresh from the SME Cur

Data Levelling Panel with Pedro Acosta-Gongora & Tom Carmichael

For our 50th episode of GeOCHemISTea, we’re doing something a little different... a panel discussion that brings together two very different perspectives on one deceptive

From Evidence to Origin: Solving Mysteries with Isoscapes with Gabe Bowen

In this episode of GeOCHemISTea, Sam sits down with Gabe Bowen to explore the world of forensic isotope geochemistry and the power of isoscapes. From identifying where s

Beyond Bulk Geochemistry: Cobalt, Nanoparticles, and Surface Processes with Owen Missen

This episode of GeOCHemISTea explores cobalt cycling, critical metals, and why geochemists need to think beyond bulk chemistry to understand how elements behave in surfac

Fit-for-Purpose Geochemistry and Fewer Bad Programs with Simon Bolster

Simon Bolster joins GeOCHemISTea to unpack what actuallymakes near-surface geochemistry work in mineral exploration: understanding regolith and landforms before you ever

From Geomet to the Mill: Breaking Down Silos with Mohsen Yahyaei

In this episode of GeOCHemISTea, host Sam Scher engages in a thought-provoking conversation with Professor Mohsen Yahyaei, a mineral processing engineer and director at t

Volcanoes, Mush, and Mineralization with Mike Stock

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

The mineralogy hidden in your assays with Scott Halley

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

Geochemistry Without Borders: A Conversation with Alecos Demetriades

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

Geochemical exploration in low sulfidation epithermal systems with Simon Griffiths

This month on GeOCHemISTea, we welcome back Simon Griffiths, Principal Consultant at Third Planet Exploration Services, to unpack the geochemical exploration strategies f

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

In this episode of GeOCHemISTea, we're joined by Hugh De Souza to explore the evolution of gold analysis; from 4,000-year-old fire assay traditions to disruptive technolo

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

This month on GeOCHemISTea, we are talking about one of exploration geochemistry’s most foundational, and rapidly evolving, methods: stream sediment sampling. Sam is join

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

In this episode of GeOCHemISTea, we're diving deep, literally, with Andy Campbell, oceanographer, geochemist, and former senior leader at the U.S. Nuclear Regulatory Comm

Geothermal Geochemistry and the Roads Less Taken with Stuart Simmons

In this episode of GeOCHemISTea, Sam sits down with geochemist and geothermal expert Stuart Simmons to discuss the unpredictable paths that shape a career in geoscience.

Probing paleorecords to understand future climates with Brittany Hupp

Join us this month on GeOCHemISTea as we sit down with Brittany Hupp, Assistant Professor at George Mason University in the Department of Atmospheric, Oceanic, and Earth

Dynamic mapping of tailings oxidation with Oscar Benavente

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

The trials and tribulations of historic geochemistry datasets with Putra Sadikin

Historical geochemical datasets can be challenging with variable methods, missing metadata, and shifting detection limits, but they’re also an invaluable resource for min

Avoiding sub-optimal sampling with Mark Arundell

In this episode we talk with Mark Arundell, Principal Geologist at IMEx Consulting, to delve into the past, present, and future of geochemical sampling. With over 30 year