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    • Object type: SLAG

  • Thumbnail image of KENT-C30281

Record ID: KENT-C30281
Object type: SLAG
Broad period: UNKNOWN
County: Kent
Workflow stage: Awaiting validation Find awaiting validation
4 fragments of Copper-alloy slag of indeterminate age, c.2350BC - Present Description:The Fragments are varied but all irregular in shape although most have very pourous typical of slag and all green with either a grey or brwn hue. Fragment 4 maybe more high metallic being far less porous and with more smooth edges than the other fragments.. Measurements: Fragment 1: 73.58mm long, 65.63mm wide, 33.06mm thick and 200g in weight. Fragment 2: 30.10mm long, 23.18mm wide, 4.16mm thick and 6.47g in weight. Fragment 3: 2: 40.74mm long, 26.83mm wide, 12.7mm thick and 32.04g in weight. …
Created on: Monday 27th November 2017
Last updated: Wednesday 29th November 2017
Spatial data recorded.


  • Thumbnail image of NARC-C98DD3

Record ID: NARC-C98DD3
Object type: SLAG
Broad period: UNKNOWN
County: Northamptonshire
Workflow stage: Awaiting validation Find awaiting validation
A group of four pieces of Slag or Clinker like material of unknown date (AD 43-1700). The material is probably an industrial by-product. It is dark grey to black, some pieces are reflective, and often appearing laminated. The material is light in weight for its size. Length: 45.28mm, Width: 35.28mm, Thickness: 8.21mm, Weight: 19.3g. Length: 40.92mm, Width: 30.35mm, Thickness: 21.81mm, Weight: 41.0g. Length: 41.07mm, Width: 30.53mm, Thickness: 18.12mm, Weight: 23.2g. Length: 29.04mm, Width: 29.56mm, Thickness: 3.97mm, Weight: 4.6g.
Created on: Monday 17th July 2017
Last updated: Monday 17th July 2017
Spatial data recorded.


  • Thumbnail image of LANCUM-FF5521

Record ID: LANCUM-FF5521
Object type: SLAG
Broad period: BRONZE AGE
County: Lancashire
Workflow stage: Awaiting validation Find awaiting validation
Two amorphic piece of copper alloy slag. Found in an area with Bronze Age and Roman artefacts. The surface is characterised by lumps and hollows and has a tin element is indicated relating to bronze working. The slag has a good deep green patina, similar to that seen on some local Bronze Age metalwork, so it may date from this period. If this lump of slag is indeed Bronze Age, it is interesting that it has survived and was not re-melted. Fragments of casting waste like this one are hard to date. Scientific analysis of the elemental composition of the copper alloy would allow a more acc…
Created on: Tuesday 13th June 2017
Last updated: Friday 7th July 2017
Spatial data recorded.


  • Thumbnail image of NLM-4644D9

Record ID: NLM-4644D9
Object type: SLAG
Broad period: MODERN
County: Nottinghamshire
Workflow stage: Awaiting validation Find awaiting validation
Black glassy slag. Industrial residue: probably waste from a heavy industry of post-medieval to modern date. Greenish glassy material resembling this in all but its tint continues to be reused as hardcore of specified grades b y the construction industry up to the present day, while solid residues and slags from furnaces were similarly used for building or even decorative purposes through the 20th century. The accompanying finds tend to confirm the likelihood of a recent date. Suggested date: Modern, 1900-1930. Length: 100mm, Width: 77mm, Thickness: 53mm, Weight: in excess of 500gms.
Created on: Thursday 11th May 2017
Last updated: Thursday 11th May 2017
Spatial data recorded. This findspot is known as 'Misterton', grid reference and parish protected.


  • Thumbnail image of SF-F8026B

Record ID: SF-F8026B
Object type: SLAG
Broad period: BRONZE AGE
County: Suffolk
Workflow stage: Awaiting validation Find awaiting validation
Seven medium-sized to small pieces of copper-alloy slag and casting waste of possible Bronze Age to Roman date, c. 1550 BC-410 AD. All are of irregular form and very porus, with dark green patinas. Combined weight; 304g. Found in relatively close proximity to SF-F7E3AF.
Created on: Tuesday 25th April 2017
Last updated: Wednesday 17th May 2017
Spatial data recorded. This findspot is known as 'Cavendish', grid reference and parish protected.


  • Thumbnail image of DENO-BDDB3E

Record ID: DENO-BDDB3E
Object type: SLAG
Broad period: UNKNOWN
County: Nottinghamshire
Workflow stage: Awaiting validation Find awaiting validation
Two pieces of iron-rich slag of uncertain date, but probably pre-industrial. The objects are irregular in shape and a dull red-brown in colour. Totla weight: 32.57g.
Created on: Friday 17th March 2017
Last updated: Friday 4th August 2017
Spatial data recorded.


  • Thumbnail image of KENT-9B20F8

Record ID: KENT-9B20F8
Object type: SLAG
Broad period: UNKNOWN
County: Kent
Workflow stage: Awaiting validation Find awaiting validation
Copper-alloy fragment of slag of indeterminate age, Prehistoric c.2350BC - AD 1800, Description: The Fragment is roughly triangluar shape in plan. The surface is very pourous typical of slage and is roughly grey with a green hue. Measurements: 74.64mm long, 72.84mm wide, 39.35mm thick and 310g in weight.
Created on: Monday 14th November 2016
Last updated: Tuesday 29th November 2016
Spatial data recorded.


  • Thumbnail image of DENO-1EE549

Record ID: DENO-1EE549
Object type: SLAG
Broad period: UNKNOWN
County: Derbyshire
Workflow stage: Awaiting validation Find awaiting validation
A piece of slag, clinker or similar by-product of uncertain date. It has cavities and inclusions and patches of a dark, shiny vitrious looking material. The object is 48 mm long, 42 mm wide and 23 mm thick, It weighs 54.6 g
Created on: Tuesday 8th November 2016
Last updated: Thursday 1st December 2016
Spatial data recorded.


  • Thumbnail image of KENT-D02933

Record ID: KENT-D02933
Object type: SLAG
Broad period: POST MEDIEVAL
County: Kent
Workflow stage: Awaiting validation Find awaiting validation
A fragment of undated Iron slag. The fragment is irregularly shaped with a slightly patch of vitreous green material at one end. The majority of the slag is a light rusty orangey brown indicative of oxided iron. Measurements: 30.56mm long, 30.29mm wide, 16.73mm thicka and 15.87g in weight.
Created on: Monday 18th July 2016
Last updated: Wednesday 20th July 2016
Spatial data recorded.


  • Thumbnail image of DENO-653126

Record ID: DENO-653126
Object type: SLAG
Broad period: UNKNOWN
County: Nottinghamshire
Workflow stage: Awaiting validation Find awaiting validation
A piece of iron slag of uncertain date. The object is irregularly shaped and coloured black and reddish brown. It measures 63mm long and 48mm wide. It weighs 80.14g.
Created on: Wednesday 13th July 2016
Last updated: Friday 15th July 2016
Spatial data recorded.


  • Thumbnail image of HESH-6310C4

Record ID: HESH-6310C4
Object type: SLAG
Broad period: IRON AGE
County: County of Herefordshire
Workflow stage: Awaiting validation Find awaiting validation
Eardisland History and Heritage Group Eardisland Excavation 2013 Site Summary: Finds made during excavation of a single trench 16m x 1.25m across crop marks on cultivated land. Site number: RHYD 13 Context number: 025. Fifteen pieces of Fuel Ash Slag. Fabric Condition: Fragile material with voids. Firing Condition: Light brown Inclusions Unspecified Surface Texture: Rough Condition of sherds; Fragile
Created on: Wednesday 13th July 2016
Last updated: Friday 2nd June 2017
Spatial data recorded.


  • Image not taken

Record ID: CPAT-14AA13
Object type: SLAG
Broad period: UNKNOWN
County: Powys
Workflow stage: Awaiting validation Find awaiting validation
Fragments of slag found when digging a hole to erect a basket ball hoop in Glasbury play ground 'which is close to the Maesllwch Arms/Foyles' (Finder, pers. comm, July 2015). Identified as smithing hearth base by Nigel Jones of CPAT.
Created on: Wednesday 16th December 2015
Last updated: Monday 1st February 2016
Spatial data recorded.


  • Thumbnail image of SWYOR-206CE4

Record ID: SWYOR-206CE4
Object type: SLAG
Broad period: UNKNOWN
County: Doncaster
Workflow stage: Awaiting validation Find awaiting validation
A piece of slag, clinker or other similar industrial by-product of unknown date. It is smooth and soft, with one perfectly flat face and one more irregular. There are bubbles and cavities with grey material trapped inside the black. The object is not magnetic. It is 29.9mm long, 18.1mm wide and 7.7mm thick. 3.43g.
Created on: Tuesday 12th May 2015
Last updated: Wednesday 13th May 2015
Spatial data recorded.


  • Thumbnail image of SWYOR-2049F6

Record ID: SWYOR-2049F6
Object type: SLAG
Broad period: UNKNOWN
County: Doncaster
Workflow stage: Awaiting validation Find awaiting validation
A piece of slag, clinker or other similar industrial by-product of unknown date. It is rough and irregular, with bubbles and cavities. It is a grey green colour with obvious shiny metallic particles. There are patches of orange deposits. The object is not magnetic. It is 82.4mm long, 62.4mm wide and 37.8mm thick. 216g.
Created on: Tuesday 12th May 2015
Last updated: Wednesday 13th May 2015
Spatial data recorded.


  • Thumbnail image of KENT-8BB432

Record ID: KENT-8BB432
Object type: SLAG
Broad period: UNKNOWN
County: Kent
Workflow stage: Awaiting validation Find awaiting validation
A section of tapped iron slag of unknown date. length:46.13mm, width:41.71mm, thickness21.24mm, weight:99.44g
Created on: Tuesday 5th May 2015
Last updated: Tuesday 2nd June 2015
Spatial data recorded.


  • Thumbnail image of SWYOR-4B57FC

Record ID: SWYOR-4B57FC
Object type: SLAG
Broad period: UNKNOWN
County: Lincolnshire
Workflow stage: Awaiting validation Find awaiting validation
A piece of slag, clinker or other by-product of industry or burning of unknown date. It has a low mass for its size, and where the internal structure is visible, it is grey, hard and made up of small bubbles. It is 82.3mm long, 67.4mm wide and 35.7mm thick. 63.5g.
Created on: Wednesday 20th August 2014
Last updated: Wednesday 20th August 2014
Spatial data recorded.


  • Image not taken

Record ID: BERK-2B8967
Object type: SLAG
Broad period: UNKNOWN
County: West Berkshire
Workflow stage: Awaiting validation Find awaiting validation
An amorphous piece of copper working slag, smooth yet curved on one side so possibly dripped (or scraped) from a crucible. Without contextual information it is impossible to date copper slag however noting its presence is important as it may indicate metal working.
Created on: Tuesday 1st July 2014
Last updated: Tuesday 1st July 2014
Spatial data recorded. This findspot is known as 'Lambourn', grid reference and parish protected.


  • Thumbnail image of GAT-ED8AEE

Record ID: GAT-ED8AEE
Object type: SLAG
Broad period: UNKNOWN
County: Gwynedd
Workflow stage: Awaiting validation Find awaiting validation
Very irregular shaped lump of copper alloy metal-working residue. Very dense, very rough granular surface. Appears to be something that was soft rather than fluid when its shape was formed. Much of the surface is covered in a light green powdery oxidisation layer, but there are flecks of bright silver colour showing where high points have been scraped suggesting some silver content. Under magnification the surface is quite porous with frequent pitting visible. Appears to be the by-product of metal working in the area.
Created on: Monday 16th June 2014
Last updated: Tuesday 27th October 2015
Spatial data recorded.


  • Thumbnail image of GAT-ED7A5E

Record ID: GAT-ED7A5E
Object type: SLAG
Broad period: UNKNOWN
County: Gwynedd
Workflow stage: Awaiting validation Find awaiting validation
Two irregular shaped lumps of copper alloy metal working slag. Frequent small pits are visible in the surface of both lumps but are most prominent on one side of each. The other side of each lump has globular protrusions and occasional larger less defined pits. There is a coating of light green powdery oxidisation (verdigris) over much of the surface of both sides with patches of bright copper coloured metal showing.
Created on: Monday 16th June 2014
Last updated: Monday 26th October 2015
Spatial data recorded.


  • Thumbnail image of BERK-AFE4AD

Record ID: BERK-AFE4AD
Object type: SLAG
Broad period: ROMAN
County: Oxfordshire
Workflow stage: Awaiting validation Find awaiting validation
An amorphic piece of copper alloy slag. Found in an area with Roman artefacts.
Created on: Friday 13th June 2014
Last updated: Tuesday 22nd July 2014
Spatial data recorded.


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