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Events for March 20, 2025
Alpine peaks and salt intrusions – geological windows into deep Earth’s mantle – Jonathan Turner
The blood-red serpentinites exposed at Kynance Cove in the Lizard of south Cornwall are arguably Britain’s most beautiful rocks and they tell a fascinating geological story. Serpentinite is an unusual rock type that forms where seawater circulates through deep mantle rocks, changing their mineralogy from olivines and pyroxenes to amphiboles such as the curiously named ...