"Lithological Data for lithic samples from the Newport Ship Excavation","","","","","","","","","","","","" "Maesglas No.","Context No","Description","Lithology","Lithological description (grain composition, sed structures etc.)","Grain size","Sorting","Colour (Munssell)","Maesglas No.","Provenence (if known)","Lithological Source ","Comments","ID by" "396","130","Fragment 85x50mm","Slate","Very fine crenulation cleavage 1mm. ","Very fine grained","N/A","GLEY 1 5/N (grey)","396","unknown","unknown","","REB / MC" "397","152","Fragment","Sandstone","Arenaceous sandstone with mica, orange (?feldspar) grains, black (organic grains?). Weak lamination on mm scale with iron pyrites (oxidised)","Med-fine grained","very well sorted","10YR 6/2 (light brown grey) ","397","possibly locally derived","?Carboniferous/Devonian","No evidence for being whetstone","HJ/JH" "398","1017","Roof tile?","Sandstone","Quartz dominated, micaceous sandstone, with additional superficial iron-staining. Laminations on mm scale.","Med-fine grained","very well sorted","5YR 4/2 (dark reddish grey)","398","poss local","ORS","No evidence for being roof file (tilestone)","HJ/JH" "399","1001","Pebble","Sandstone","Natural elongate pebble pf quartz-rich, micaceous sandstone","Medium grained","very well sorted","5Y 5/1 (grey)","399","poss local","? Carboniferous/Devonian","Possible whetstone, some surface appears slightly smoothed","HJ/JH" "400","149","Fragment 100m x 110mm","Slate","No circular pits (cf 401) Fragment 8mm thick. Individual partings, very fine ca1mm. Plainer surfaces","Very fine grained","","GLEY 1 5/N (grey)","400","unknown","unknown","","REB / MC" "401","109","Fragment 90mm x 75mm","Slate","Slate parting overall 7mm. individual partings very fine ca1mm. Cavities in the slate, 0.5mm in diameter (typical) Slightly crenulated ?","Very fine grained","","GLEY 1 5/N (grey)","401","unknown","unknown","","REB / MC" "402","1001","Fragment 100x80mm","Slate","Fine crenulation. Fragment parting 8mm. Individual parting very fine.Locally pitted associated with Iron Oxides","Very fine grained","","GLEY 1 5/N (grey)","402","unknown","unknown","","REB / MC" "403","128","2 fragments, 60mm x 115mm, 65mm x 105mm","Slate","Slight crenulations on surface. No pits. Fragement 8mm. Parting very fine. Colour variable.","Very fine grained","N/A","GLEY 1 5/N - 6/N (grey)","403","unknown","?Carboniferous/Devonian","","REB / MC" "404","1025","4 pieces of slate","Slate/phyllite","3 samples of phyllite showing crenulation liniations, 1 sample of slate","N/A","N/A","GLEY 1 4/N (dark grey)","404","Devon or Pembs or further a field","?Carboniferous/Devonian","partial coating with lime mortar, indicating use in construction","HJ/JH" "405","u/s","Fragment of stone","Sandstone","Grey/green quartz-dominated micaceous sandstone. Laminated on 5 mm scale, very homogeneous.","Fine grained","very well sorted","GLEY 1 6/1 greensish grey","405","Locally derived","ORS, possible Senni Beds","","HJ/JH" "407","149","Fragment","Sandstone","Pale green/grey sandstone, quartz-domianted with mica, shoeing iron staining along laminations and fractures.","Fine grained","very well sorted","GLEY 1 7/1 l(ight greenishh grey)","407","Locally derived","ORS, possible Senni Beds","","HJ/JH" "408","1001","Slate","Phyllite","Showing both intersection and crenulation lineations","N/A","N/A","GLEY 1 5/N (grey)","408","Devon or Pembs or further a field","unknown","partial coating with lime mortar, indicating use in construction","HJ/JH" "409","1001","2 pieces Slate","Phyllite","","N/A","N/A","GLEY 1 5/N (grey)","409","Devon or Pembs or further a field","unknown","partial coating with lime mortar, indicating use in construction","HJ/JH" "410","128","Fragment of stone","Sandstone","Quartz-rich micaceous sandstone. Well sorted, quartz, feldspar (white), mica and black grains (organic), thin laminations mm scale","Fine grained","very well sorted","5Y 6/1 (grey)","410","possibly locally derived","Carboniferous/Devonian?","iron stained on weathered surface","HJ/JH" "411","-","Roof tile?","Sandstone","10 fragments of red micaceous sandstone, with ripple laminations","Very fine grained","very well sorted","10R 4/1 (dark reddish grey)","411","possibly locally derived","Old Red Sandstone/Devonian","natural fragmentss of stone, no evidence for use as roofing tile","HJ/JH" "412","1002","Fragment 170x120mm","slate","Shows plumose texture on one side, fine crenulation cleavage (mm scale) on reverse. Fragment 5mm think. Individual partings very fine","Very fine grained","","GLEY 1 5/N (grey)","412","unknown","unknown","","REB / MC" "413","140","Decayed stone","Sandtone","Coarse sandstone highly decayed, no further analysis possible","Coarse","-","-","413","unknown","unknown","-","HJ/JH" "414","130","Flint pebble (small)","Chalcedony","White chacedony/chert with partial black coating (not of natural origin)","N/A","N/A","N/A","414","unknown","unknown","","HJ/JH" "415","120","Small fragment, ? Flint","Acid tuff","Dark grey with possible quartz crystals.","N/A","N/A","N/A","415","unknown","N/A","","JMH" "416","109","Fragment","Chert","Dark grey chert with paler grey weathered margin (c. 12mm)and undetermined fossils fragments.","chert","N/A","GLEY 2 8/10B (bluish black) margin GLEY 2 5/5PB","416","unknown","unknown","","JMH" "417","130","Fragment 40x30mm","Slate","Fine plumose texture. Very even colour. Fragment 2mm. Individual partings, very fine.","Very fine grained","N/A","GLEY 1 5/N (grey)","417","unknown","unknown","","REB / MC" "418","130","Fragment (Triangular shape) 50x12mm (maximum)","Slate","Uniform composition with some muscovite mica. Fragment thickness, 6mm, fine parting.","Very fine grained","N/A","GLEY 1 4N-5/N (grey/dark grey)","418","unknown","unknown","","REB / MC" "419","130","Fragment of chalk","Chalk","Typical sample of chalk, no fossils observed. ","N/A","N/A","N/A","419","not Welsh provenance, S. England?","Cretaceous","","JMH" "420","u/s","Stone mortar","Sandstone","Quartz-dominated, micaceous sandstone. Similar to 399, superficial iron staining from external source","Medium grained","very well sorted","5Y 6/1 (grey)","420","possibly locally derived","Carboniferous","","HJ/JH" "421","130","Stone shot - limestone c. 80 mm","Limestone","Ooidal limestone, no other fossil debris, suggests [Painswick Limestone] , Inferior Oolite","ooids < 750µm","N/A","N/A","421","not Welsh provenance","Middle Jurassic (Inferior Oolite?)","","TJP/JH" "422","130","Stone shot c.60 mm","Arenite (sandstone)","Similar to 424/425 small, with greenish grains","fine grained","very well sorted","Cream (non Munsell)","422","unknown, not locally derived","?Carboniferous","","JMH" "Maesglas No.","Context No","Description","Lithology","Lithological description (grain composition, sed structures etc.)","Grain size","Sorting","Colour (Munssell)","Maesglas No.","Provenence (if known)","Lithological Source ","Comments","ID by" "423","128","Stone shot c. 80mm","Arenite (sandstone)","Quartz dominated lacking greenish grains but with orange/brown iron stained grains","fine grained","very well sorted","Cream (non Munsell)","423","unknown","Carbonifeorus?","","HJ/JH" "442","-","Slag/glass","Slag","Black silica-rich slag from metal smelting, black glass colour probably from high iron content","N/A","N/A","Black","442","N/A","N/A","black glass colour probably from high iron content","JMH" "628","130","Fragment","Sandstone","natural fragment of coarse-grained sandstone, with quartz pebbles up to 6mm diammeter, containing weathered-out pyrite which is decaying to produce sulphate minerals","Coarse grained","poorly sorted","surface cover precludes Munsell","628","weathered surface","unknown","","HJ/JH" "852","130","Misc. stone","Limestone","2 small pieces of limestone","N/A","N/A","N/A","852","Locally derived","Carboniferous Limestone","","HJ/JH" "1035","120","3 small fragments of quartz one with mica","White mica","white mica (muscovite)","N/A","N/A","N/A","1035","not S. Wales, possibly Cornwall, Brittany, Portugal, NE Spain","unknown","","HJ/JH" "1036","120","mica plates and books","White mica","white mica (muscovite)","N/A","N/A","N/A","1036","not S. Wales, possibly Cornwall, Brittany, Portugal, NE Spain","unknown","","HJ/JH" "1037","128","2 Fragments, 22x9mm, 25x10mm","Slate","Fragment 1 4mm thick ,very fine parting. Fragment 2 1mm thick, fine parting. Slightly coarser grains than other slates. Saccharoidal texture","Very fine grained","N/A","Fragment 1, GLEY 1 4/N Fragment 2 GLEY 1 4/N","1037","unknown","?Carboniferous/Devonian","","REB / MC" "1038","120","fragment of quartz","Quartz","Quartz","N/A","N/A","N/A","1038","unknown","unknown","","HJ/JH" "1039","120","fragment of white mica with quartz","White mica","white mica (muscovite)","N/A","N/A","N/A","1039","not S. Wales, possibly Cornwall, Brittany, Portugal, NE Spain","unknown","","HJ/JH" "1040","120","quartz fragment","Quartz","Quartz dominated laxcking greenish grains but with orange/brown iron stained grains","N/A","N/A","N/A","1040","unknown","unknown","","HJ/JH" "1041","171","mica plates and books","White mica","white mica (muscovite) (12mm across)","N/A","N/A","N/A","1041","not Wales","unknown","","HJH" "1042","152","mica plates ","White mica","white mica (muscovite)","N/A","N/A","N/A","1042","not Wales","unknown","","HJ/JH" "1043","120","mica plates ","White mica","white mica (muscovite)","N/A","N/A","N/A","1043","not S. Wales, possibly Cornwall, Brittany, Portugal, NE Spain","unknown","","HJ/JH" "1044","120","mica plates","White mica","white mica (muscovite)","N/A","N/A","N/A","1044","not S. Wales, possibly Cornwall, Brittany, Portugal, NE Spain","unknown","","HJ/JH" "1045","171","Small fragment, ? Flint","Quartz","small fragment of quartz, slightly iron-stained","N/A","N/A","N/A","1045","unknown","unknown","","" "1046","120","mica plates","White mica","white mica (muscovite)","N/A","N/A","N/A","1046","not S. Wales, possibly Cornwall, Brittany, Portugal, NE Spain","unknown","","HJ/JH" "1047","120","mica plates","White mica","white mica (muscovite)","N/A","N/A","N/A","1047","not S. Wales, possibly Cornwall, Brittany, Portugal, NE Spain","unknown","","HJ/JH" "1048","120","quartz fragment","Quartz","Quartz","N/A","N/A","N/A","1048","unknown","unknown","","HJ/JH" "1049","120","white mica plates some associated with quartz","White mica","white mica (muscovite ) & quartz","N/A","N/A","N/A","1049","not S. Wales, possibly Cornwall, Brittany, Portugal, NE Spain","unknown","","HJ/JH" "1050","120","mica plates","White mica","white mica (muscovite)","N/A","N/A","N/A","1050","not S. Wales, possibly Cornwall, Brittany, Portugal, NE Spain","unknown","","HJ/JH" "1051","120","mica plates","White mica","white mica (muscovite)","N/A","N/A","N/A","1051","not S. Wales, possibly Cornwall, Brittany, Portugal, NE Spain","unknown","","HJ/JH" "1052","120","2 Small fragments, 10x8mm, (Triangular shaped) 9x6mm (maximum dimension)","Slate","Very fine grained. Slight saccharoidal texture. Fragment 1, 2.5mm thick, very fine parting. Fragment 2, 1mm, very fine parting.","Very fine grained","N/A","GLEY 1, 4/N. (dark grey)","1052","unknown","unknown","","REB / MC" "1053","152","quartz fragment of frosted quartz","Quartz","","N/A","N/A","N/A","1053","not possible to determine","unknown","","HJ/JH" "1054","152","mica plates","White mica","white mica (muscovite)","N/A","N/A","N/A","1054","not Wales","unknown","","HJ/JH" "1055","152","Calcite","Calcite","Calcite cleavage fragment","N/A","N/A","N/A","1055","unknown","unknown","","HJ/JH" "1056","120","originallt ID as flint, green glass fragment","Glass","Glass fragmrnt with bubbles","N/A","N/A","N/A","1056","N/A","N/A","","HJ/JH" "Maesglas No.","Context No","Description","Lithology","Lithological description (grain composition, sed structures etc.)","Grain size","Sorting","Colour (Munssell)","Maesglas No.","Provenence (if known)","Lithological Source ","Comments","ID by" "1057","120","fragment of white mica with quartz","White mica & quartz","white mica (muscovite ) & quartz","N/A","N/A","N/A","1057","not S. Wales, possibly Cornwall, Brittany, Portugal, NE Spain","unknown","","HJ/JH" "1058","120","Fragment of sandstone ","Arenite (sandstone)","Fragment of quartz arenite (similar to that used for the shot) with hematite coating and larger quartz pebbles.","coarse-grained","well sorted","N/A","1058","unknown","Carboniferous?","","HJ/JH" "1059","120","tube like structure ","No idetification made","","N/A","N/A","N/A","1059","unknown","unknown","","" "1060","120","mica plate (7 mm) slight weathered, iron stained","White mica","white mica (muscovite)","N/A","N/A","N/A","1060","not S. Wales, possibly Cornwall, Brittany, Portugal, NE Spain","unknown","","HJ/JH" "1061","120","fragment of white mica with quartz","White mica & quartz","white mica (muscovite ) & quartz","N/A","N/A","N/A","1061","not S. Wales, possibly Cornwall, Brittany, Portugal, NE Spain","unknown","","HJ/JH" "1062","120","quartz mica schist (fine-grained)","Qtz-mica schist","","N/A","N/A","N/A","1062","not S. Wales, possibly Brittany","unknown","","HJ/JH" "1063","120","fragment of white mica with quartz","White mica & quartz","white mica (muscovite ) & quartz","N/A","N/A","N/A","1063","not S. Wales, possibly Cornwall, Brittany, Portugal, NE Spain","unknown","","HJ/JH" "1094","130","fragment of stone","Limestone","Recrystallised limestone containing fragments of echinoderm spines","N/A","N/A","2.5Y 8/1 (white)","1094","not Welsh provenance, S. England?","Cretaceous/Jurassic","","HJ/JH" "1289","437","2 rock fragments","Sandstone","Homogeneous, micaceous, quartz-dominated sandstone smaller frgament coarser grined than laregr one","Fine grained/medium grained","very well sorted","2.5 YR 6/1 (reddish grey)","1289","locally derived","ORS","natural fragments no evidence of use as whetstones","HJH" "1290","1172","I rock fragment","Sandstone","Homogenous, micaceous, quartz-dominated sandstone with minor lithic component","Fine grained","very well sorted","10 R 6/1 (reddish grey)","1290","possibly locally derived","ORS","natural fragment no evidence of use as whetstones","JH" "1291","702","I rock fragment","Sandstone","Micaceous sandstone dominated by quartz, locally iron stain, but may be superficial","Medium grained","Moderately well sorted","too dirty to determine","1291","possibly locally derived","ORS","natural fragment no evidence of use as whetstones","JH" "1091a","152","1 cobble","Sandstone","Pale arenitic sandstone, homegeneous","Fine grained","well sorted","2.5Y 7/1 (light grey)","1091a","not S Wales","unknown","","HJ/JH" "1091b","152","2 small fragments","White mica & quartz","Quartz and mica in vein","N/A","N/A","N/A","1091b","not S. Wales, possibly Cornwall, Brittany, Portugal, NE Spain","unknown","specimens too degraded to make further analysis by eye further detail may be gained from T/S. Micaceous rocks are present in Anglesey but this is not thought to be derived from this source.","HJ/JH" "1092a","130","2 fragments","Limestone","Pale, limestone similar to 1094","N/A","N/A","N/A","1092a","not Welsh provenance, S. England?","Cretaceous/Jurassic","","HJ/JH" "1092b","130","1 fragment","Sandstone","Flake of quartz arenite, partially stained by iron (secondary)","Fine grained","very well sorted","N/A","1092b","unknown","unknown","","HJ/JH" "1095a","130","I fractured cobble","Sandstone","Quartz arenite, homogeneous, quartz cemented","Coarse grained","well sorted","N/A","1095a","unknown","unknown","","HJ/JH" "1095b","130","part of fractured cobble","Sandstone","Quartz arenite, homogeneous, quartz cemented slightly finer-grained than 1095a","Medium grained","well sorted","5 Y 6/1 (grey)","1095b","unknown","unknown","","HJ/Jh" "1095c","130","cobble","Sandstone","Quartz arenite with quartz cement, surface coating precludes further examination","Medium grained","N/A","N/A","1095c","unknown","unknown","","HJ/JH" "1095d","130","fractured cobble","Sandstone","Quartz-rich sandstone with quartz cement","Coarse grained","well sorted","N/A","1095d","unknown","unknown","","HJ/JH" "1095e","130","fractured cobble","Sandstone","Quartz-rich with black grains (5%) and quartz cement","Fine grained","well sorted","N/A","1095e","unknown","unknown","","HJ/JH" "1096 f","128","1 cobble","Sandstone","Quartz arenite, homogenous, quartz cemented","Fine grained","very well sorted","5Y 7/1 (light grey)","1096 f","coud be locally derived","Carbonifeorus?","","HJ/JH" "1096a","128","4 fragments of stone","Limestone","Homogeneous, grey recrystallised limestone","N/A","N/A","N/A","1096a","coud be locally derived","? Lias (Jurassic)","","HJ/JH" "1096b","128","I fragment of stone","Sandstone","Laminated red micaceous sandstone with prominent clasts/ concretions of white limestone (up to 50 mm)","Medium grained","well sorted (sst)","5R 4/2 (weak red)","1096b","unknown","unknown","","HJ/JH" "1096c","128","2 pieces od fractured cobbles ","Sandstone","? Volcanic rocks","N/A","N/A","N/A","1096c","unknown","unknown","","HJ/JH" "1096d","128","1 fracture cobble","Sandstone","Quartz dominated sandstone with quartz cemenet and kaolinite infill","Coarse grained","very well sorted","N/A","1096d","unknown","unknown","","HJ/JH" "1096e","128","I fragment of rock","Sandstone","sandstone, quartz arenite with quartz cement","fine-medium grained","very well sorted","2.5Y 7/1/ (light grey)","1096e","unknown","unknown","","HJ/JH" "Maesglas No.","Context No","Description","Lithology","Lithological description (grain composition, sed structures etc.)","Grain size","Sorting","Colour (Munssell)","Maesglas No.","Provenence (if known)","Lithological Source ","Comments","ID by" "1097a","129","1 fragment","Limestone","Pale limestone, recrystallised","N/A","N/A","5Y 8/1 (white)","1097a","unknown","unknown","","HJ/JH" "1097b","129","1 fragment","Sandstone","Quartz arenite, massively bedded.","Medium grained","very well sorted","7.5YR 6/1 (grey)","1097b","unknown","unknown","","HJ/JH" "1097c","129","1 fragment","Breccia","Sandstone pale green/grey clasts, fine-grained and micaceous, cemented by bartye","Very fine grained","very well sorted","N/A","1097c","possibly locally derived","Triassic?","","HJ/JH" "1097d","129","1 fragment","Limestone","Ironstained along veins. Bearing crinoid ossicles, and ? Brachipod fragments","N/A","N/A","N/A","1097d","possibly locally derived","Carboniferous","","HJ/JH" "1097e","129","1 fragment","Sandstone","Homogeneous, micaceous quartz-dominated sandstone with coarser layer containing mudclasts","Fine grained","well sorted","2.5 YR 5/2 (weak red)","1097e","possibly locally derived","ORS","","HJ/JH" "424/425","130","Stone shot c. 70 mm diameter","Arenite (sandstone)","Stone shot (small), quartz-dominated, grained supported with orange iron-stained) grains and green (unidentified) grains","fine grained","well","Cream (non Munsell)","424/425","unknown, not locally derived","?Carboniferous","reminiscent of sst used for monuments at Tintern Abbey","JMH" "424/425","130","Stone shot c. 89 mm diameter","Arenite (sandstone)","Stone shot (large), quartz-dominated, grained supported minor iron-stained quartz grains. More poorly sorted than small shot and will lower diversity of grains. ","Very fine grained","moderate-well","2.5Y 8/2 (pale yellow)","424/425","unknown, not locally derived","?Carboniferous","","JMH" "871a","108","Stone fragments","Sandstone","3 pieces of fine, highly micaceous sandstone, finely laminated (mm)","Fine grained","very well sorted","5 YR 4/2 (dark reddish grey)","871a","could be locally derived","ORS","","HJ/JH" "871b","108","Stone fragments","Sandstone","3 pieces of grey sandstone similar to 399 ","Medium grained","very well sorted","","871b","could be locally derived","Carb?","","HJ/JH" "871c","108","Stone fragments","Limestone","1 piece of grey limestone, homogeneous","N/A","N/A","","871c","could be locally derived","Lias","","HJ/JH" "871d","108","Stone fragments","Siltstone","Red, fine, quart-rich, micaceous siltstone ","Very fine grained","N/A","2.5YR 5/3 (reddish brown)","871d","could be locally derived","ORS","","HJ/JH" "871e","108","Stone fragments","Sandstone","1 grey, slightly micaceous sandstone","Very fine grained","very well sorted","too dirty","871e","could be locally derived","ORS/Carboniferous","","HJ/JH"