Photograph of face 1 of stone roughout (ISAP 06941) from Cloghs, Co. Antrim, from the Ulster Museum (UM WM1198). Macro-ID - Porcellanite. Micro-ID - Porcellanite Ic. Petrology - Grey, lightly streaked, coarse mottled. Description - Roughout. Flaked all over surface. Flaking disti
Roughout | Porcellanite
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Photograph of face 2 of stone roughout (ISAP 06457) from Glenballyeamon, Co. Antrim , from the Uster Museum (UM WM609). Macro ID - Shale. Micro ID - Porcellanite Ia. Description - Roughout - flaked all over, but with small unflaked area of natural/weathered stone surface visible
Roughout | Shale
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Photograph of face 2 of stone roughout (ISAP 06457) from Glenballyeamon, Co. Antrim, from the Uster Museum (UM WM609). Macro ID - Shale. Micro ID - Porcellanite Ia. Description - Roughout - flaked all over, but with small unflaked area of natural/weathered stone surface visible n
Roughout | Shale
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Photograph of the right side of stone roughout (ISAP 09159) from White Park, Co. Antrim, from the Ulster Museum (UM 3781R 25:21). Macro-ID - Porcellanite Petrology - Dark grey yellow, streaked in veins, coarse banded mottled. Description - Adze/axe roughout. Flaked all-over. Blad
Roughout | Porcellanite
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Photograph of face 2 of stone roughout (ISAP 09159) from White Park, Co. Antrim, from the Ulster Museum (UM 3781R 25:21). Macro-ID - Porcellanite Petrology - Dark grey yellow, streaked in veins, coarse banded mottled. Description - Adze/axe roughout. Flaked all-over. Blade and bu
Roughout | Porcellanite
Image
Photograph of face 1 of stone roughout (ISAP 09159) from White Park, Co. Antrim, from the Ulster Museum (UM 3781R 25:21). Macro-ID - Porcellanite Petrology - Dark grey yellow, streaked in veins, coarse banded mottled. Description - Adze/axe roughout. Flaked all-over. Blade and bu
Roughout | Porcellanite
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Photograph of the left side of stone roughout (ISAP 09157) from White Park, Co. Antrim, from the Ulster Museum (UM 3781V 25:20). Macro-ID - Schist Petrology - Coarse grained grey green gritty foliated psammitic schist. Description - Sides - Relatively straight, splaying from the
Roughout | Schist
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Photograph of face 2 of stone roughout (ISAP 09157) from White Park, Co. Antrim, from the Ulster Museum (UM 3781V 25:20). Macro-ID - Schist Petrology - Coarse grained grey green gritty foliated psammitic schist. Description - Sides - Relatively straight, splaying from the butt to
Roughout | Schist
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Photograph of face 1 of stone roughout (ISAP 09157) from White Park, Co. Antrim, from the Ulster Museum (UM 3781V 25:20). Macro-ID - Schist Petrology - Coarse grained grey green gritty foliated psammitic schist. Description - Sides - Relatively straight, splaying from the butt to
Roughout | Schist
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Photograph of the right side of stone roughout (ISAP 09154) from Dunluce Castle, Co. Antrim, from the Ulster Museum (UM 1954:141). Macro-ID - Porcellanite Petrology - Dark grey, coarse grey mottled around euhedral haematite porphs. Description - Axe, roughout. Butt and blade area
Roughout | Porcellanite
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Photograph of face 2 of stone roughout (ISAP 09154) from Dunluce Castle, Co. Antrim, from the Ulster Museum (UM 1954:141). Macro-ID - Porcellanite Petrology - Dark grey, coarse grey mottled around euhedral haematite porphs. Description - Axe, roughout. Butt and blade areas clearl
Roughout | Porcellanite
Image
Photograph of face 1 of stone roughout (ISAP 09154) from Dunluce Castle, Co. Antrim, from the Ulster Museum (UM 1954:141). Macro-ID - Porcellanite Petrology - Dark grey, coarse grey mottled around euhedral haematite porphs. Description - Axe, roughout. Butt and blade areas clearl
Roughout | Porcellanite
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