Pyroclastic Breccia Patterns 46 – The shoreline with rocks of pyroclastic breccia north of Louisbourg Lighthouse in Cape Breton, Nova Scotia, Canada, with angular fragments of rock in a matrix of volcanic ash.
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Pyroclastic Breccia Patterns 46 – The shoreline with rocks of pyroclastic breccia north of Louisbourg Lighthouse in Cape Breton, Nova Scotia, Canada, with angular fragments of rock in a matrix of volcanic ash.