Volcanic Tuff Louisbourg Lighthouse 33 – Rock texture of solidified lava that has intruded into tuff at Louisbourg Lighthouse on Cape Breton Island, Nova Scotia, Canada, showing what appears to be striations from an ice sheet.
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Volcanic Tuff Louisbourg Lighthouse 33 – Rock texture of solidified lava that has intruded into tuff at Louisbourg Lighthouse on Cape Breton Island, Nova Scotia, Canada, showing what appears to be striations from an ice sheet.