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Precambrian basement rock of Missouri: How deep does it go?

In this episode of our series on Ozark geology, we explore the ancient buried surface of Missouri's Precambrian basement rock. Where can you see these igneous rocks at the surface, and are there metamorphic rocks as well? Do they extend throughout the state? How old are they? We draw on the Missouri Geologic Survey's Operation Basement to do some 3D modeling based on well logs and geophysical data, exploring what this ancient buried surface looks like throughout the state, and why it's important for complex future discussions about strategic resource extraction. - Geology of the Ozarks series playlist:    • Geology of the Ozarks   - All graphic design, mapping, and imagery by Ozark Outsider unless otherwise noted: www.ozarkoutsider.com - Like this video? Consider leaving us a tip via Ko-Fi (no account required): https://ko-fi.com/ozarkoutsider Other links: - Operation Basement: https://www.usgs.gov/data/operation-b... - Popular Science article on Pea Ridge mine: https://www.popsci.com/technology/art... - St. Louis Post-Dispatch article on Pea Ridge mine: https://www.stltoday.com/news/local/g... - MO DNR report on Pea Ridge mine: https://tinyurl.com/2m786uj9 Ozark Outsider theme: sample from Rubythroat Reel (written and performed by Eric Reuter on hammered dulcimer)