#lamprophyre — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #lamprophyre, aggregated by home.social.
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A xenolith embedded in a Cretaceous lamprophyre dyke. This is a pyroxenite: almost all of the crystals are orthopyroxene or clinopyroxene. There is some late hydrous alteration at grain boundaries. A whole thin section scan in plane-polarized light.