Photograph of face 2 of stone adze (ISAP 11712) from River Bann Near Coleraine, Co. Derry, from the Ulster Museum (UM WM 3009). Macro-ID - Porcellanite. Micro-ID - Porcellanite II. Petrology - Grey, evenly coarse mottled. Description - Sides - Left is slightly thicker than right,

Adze | Porcellanite

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Photograph of face 1 of stone adze (ISAP 11712) from River Bann Near Coleraine, Co. Derry, from the Ulster Museum (UM WM 3009). Macro-ID - Porcellanite. Micro-ID - Porcellanite II. Petrology - Grey, evenly coarse mottled. Description - Sides - Left is slightly thicker than right,

Adze | Porcellanite

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Photograph of polarised thin section of stone adze (ISAP 11712) from River Bann Near Coleraine, Co. Derry, from the Ulster Museum (UM WM 3009). Macro-ID - Porcellanite. Micro-ID - Porcellanite II. Petrology - Grey, evenly coarse mottled. Description - Sides - Left is slightly th

Adze | Porcellanite

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Photograph of cross polarised thin section of stone adze (ISAP 11712) from River Bann Near Coleraine, Co. Derry, from the Ulster Museum (UM WM 3009). Macro-ID - Porcellanite. Micro-ID - Porcellanite II. Petrology - Grey, evenly coarse mottled. Description - Sides - Left is slight

Adze | Porcellanite

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Scanned drawing of stone adze (ISAP 11712) from River Bann Near Coleraine, Co. Derry, from the Ulster Museum (UM WM 3009). Macro-ID - Porcellanite. Micro-ID - Porcellanite II. Petrology - Grey, evenly coarse mottled. Description - Sides - Left is slightly thicker than right, junc

Adze | Porcellanite

  Image