# Ep72 - Inside the Macolod Corridor: Where is the Magma Coming From?

An episode of [Behind The Science Podcast](https://invisiblenetwork.ai/podcast/1753464681), 3 Jul 2025, 1 h 14 min.

Audio: https://anchor.fm/s/ee2ce360/podcast/play/104941664/https%3A%2F%2Fd3ctxlq1ktw2nl.cloudfront.net%2Fstaging%2F2025-6-2%2F403196739-44100-2-e09c42fd147b9.mp3

In this episode, chemical volcanologist John Michael Ausejo breaks down his study on primitive arc lavas from the Macolod Corridor. By analyzing the geochemical and mineralogical composition of igneous rocks, he traces the melt generation and magma storage conditions of primitive arc lavas in the Macolod Corridor 42 km beneath the Earth’s surface. ⌛ Chapters 00:00 Introduction to the Makulod Corridor 00:45 Podcast Introduction and Partners 04:14 Research Experience and Education\] 09:52 Studying Magma and Eruption Dynamics 15:47 Primitive Magma and Its Importance 21:59 Monogenetic and Polygenetic Volcanoes 27:55 Rock Analysis and Fieldwork 34:02 Research Challenges 39:56 Analyzing and Publishing Results 45:58 Tips for Aspiring Researchers 📚 Reference: Ausejo JM, Perez AdC, Pasco JA, and Payot BD. 2024. Melt generation and magma storage conditions of primitive arc lavas in the Macolod Corridor, southwestern Luzon arc, Philippines. Journal of Volcanology and Geothermal Research 455(108206). 🤝 Behind The Science Podcast is presented to you by Marine & Earth Science Learning Hub, UP Resilience Institute, The Philippine Agricultural Scientist, The Philippine Journal of Fisheries, and SciEnggJ.

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