Harrow and Hillingdon Geological Society
Granitic Magmas
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Photographs courtesy of Prof John Clemens
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A pegmatite dyke in rapakivi rocks near Espoo, Finland (1999) |
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Migmatites in tonalitic gneisses from the Barberton Mountain Land of South Africa (1999) |
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Cavernous weathering in Capo Cavallo granodiorite, near the coast of Corsica (1999) |
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"The Monolith", a granite column that was meant to have been erected in Ajaccio, with a statue of Napoleon on top of it, but was too big to remove from the quarry (Corsica) (1999) |
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Composite granitic dykes with complex magma relationships, Punta di Vallitone, Corsica (1999) |
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A polished face of an orbicular gabbro, Santa-Lucia-di-Tallano, Corsica (1999) |
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The Duntulm sill (Skye), showing the strange layering (2000) |
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Comb layering in diorite from the Chelan "Migmatite" Complex, Washingston, USA (1992) |
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Hollow hornblende crystals in a dioritic pegmatite from the same complex (1992) |