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2025-05-03 Leigh Tucker and Marquis Richardson – Where are the Olympic Coast garnet sands coming from and how did they get there?

Quimper Geological Society welcomes Leigh Tucker and Marquis Richardson to lecture on garnet in beach sands of the Olympic Coast. Lecture Where are the Olympic Coast garnet sands coming from and how did they get there? Washington State contains multiple beaches where garnet bearing sands are present, including the outer coast and within Puget Sound. The source of these garnets is unclear. To better understand where these garnets come from, we look inside them to investigate inclusion minerals. When garnets form in metamorphic environments, they can trap other minerals from their surroundings. These trapped minerals can give us pressure and… Read more2025-05-03 Leigh Tucker and Marquis Richardson – Where are the Olympic Coast garnet sands coming from and how did they get there?

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