Photograph of face 2 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?
Photograph of face 2 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
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?
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
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?
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?
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
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