Photograph of face 1 of stone adze (ISAP 10087) from Portaferry, Co. Down, from the Ulster Museum (UM 1911:219). Macro-ID - Porcellanite?. Micro-ID - Porcellanite Ic. Petrology - Grey weathered light grey, unevenly fine to coarse mottled. Description - Sides - left rounded, right
Adze | Porcellanite?
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Photograph of face 1 of stone adze (ISAP 03967) from Rathbeagh, Co. Kilkenny, from the National Museum of Ireland (NMI P1952:19). Macro-ID - Porphyry. Micro-ID - Porphyry U. Petrology - Metamorphosed hypabyssal. Grey acid extrusive - or creamy porcellanite? Description - Sides ar
Adze | Porphyry
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Photograph of face 1 of stone axe (ISAP 00030) from Armoy, Co. Antrim, from the National Museum of Ireland (NMI 1937:2449). Macro-ID - Basalt? Petrology - Black coarse basic extrusive? Description - Sides - Left broad rounded. Right broad flattened. Small area of light pecking, b
Axe | Basalt?
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Photograph of face 1 of stone axe (ISAP 12096) from Glenhead, Cullybackey, Co. Antrim, from the Ulster Museum (UM WM 2583). Macro-ID - Gabbro Petrology - Coarse basic intrusive, sub-anhedral < 5mm 40 -60 feldspar -pyroxene. Description - Sides - Both broad rounded. Junctions of s
Axe | Gabbro
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Photograph of the right side of stone axe/adze (ISAP 04647) from Powderlough, Co. Meath, from the National Museum of Ireland (NMI 1956:5). Macro-ID - Gabbro*Porphyry?. Micro-ID - Gabbro U. Petrology - Grey/green quartz/feldspar porphyry. Gabbro (Ungrouped Cornish?). Description
Axe/adze | Gabbro*Porphyry?
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Photograph of face 1 of stone axe (ISAP 02203) from Killaloe, Co. Clare, from the National Museum of Ireland (NMI 1932:6620). Macro-ID - Shale. Micro-ID - Shale Ib. Petrology - Dark grey fine grained parallel laminated shale. Description - Sides - Both irregular due to remnant fl
Axe | Shale
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Photograph of the left side of stone adze (ISAP 12071) from Kilrea, Co. Derry, from the Ulster Museum (UM WM 2613). Macro-ID - Porcellanite Petrology - Grey, lightly speckled, lineated streaked in bands, fine mottled. Description - Sides - Both rounded, very regular, well ground
Adze | Porcellanite
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Photograph of face 2 of stone axe (ISAP 10079) from Giants Causeway, Co. Antrim, from the Ulster Museum (UM 1913:163G). Macro-ID - Porcellanite Petrology - Dark grey, 40% sub-euhedral 5mm haematite porphs, very coarse (> 1cm) nodular streaked, coarse mottled. Description - Sides
Axe | 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 the left side of stone axe/adze (ISAP 04647) from Powderlough, Co. Meath, from the National Museum of Ireland (NMI 1956:5). Macro-ID - Gabbro*Porphyry?. Micro-ID - Gabbro U. Petrology - Grey/green quartz/feldspar porphyry. Gabbro (Ungrouped Cornish?). Description -
Axe/adze | Gabbro*Porphyry?
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Photograph of face 2 of stone axe (ISAP 00030) from Armoy, Co. Antrim, from the National Museum of Ireland (NMI 1937:2449). Macro-ID - Basalt? Petrology - Black coarse basic extrusive? Description - Sides - Left broad rounded. Right broad flattened. Small area of light pecking, b
Axe | Basalt?
Image
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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