Record ID: SWYOR-C0CDAC
Object type: SLAG
Broad period: UNKNOWN
County: Wakefield
Workflow stage: Awaiting validation
A piece of copper alloy casting waste, metal working debris or slag of unknown period, Bronze Age to Post-Medieval in date (about 2000 BC - AD 1800). In shape, the waste is an irregularly shaped mass which is also irregular in section. The surface is rough and granular. There are some black inclusions and a brown rounded pellet. The waste has a mid green mottled patina. Measurements; length 43.9mm, width 41.7mm, thickness 11.4mm, weight 47.0g.
Created on: Monday 8th January 2024
Last updated: Monday 15th April 2024
Spatial data recorded.

Record ID: SWYOR-B89422
Object type: SLAG
Broad period: UNKNOWN
County: Wakefield
Workflow stage: Awaiting validation
A large piece of iron tap slag of uncertain date, probably Roman to Post Medieval, about AD 43 - 1600. It is dense, magnetic and black to purple in colour with some rusty patches. It forms a thick plate which is rough and irregular on the lower face and sides, with characteristic runs of solidified molten metal across the top face. Both ends of the piece are broken. In cross-section it is D shaped. Measurements are; length 1694mm, width 1035mm, thickness 453mm. Tap-slag is slag that is 'tapped' from a bloomery furnace. This is carried out during smelting so as to allow the long c…
Created on: Monday 23rd May 2022
Last updated: Tuesday 21st June 2022
Spatial data recorded.

Record ID: SWYOR-9DB4FA
Object type: SLAG
Broad period: UNKNOWN
County: Calderdale
Workflow stage: Awaiting validation
A piece of possible slag or other industrial by-product such as dross, clinker, fuel ash, of unknown date, possibly Bronze Age to Modern, 2200 BC - AD 1900. It is a shiny light grey material, light in weight for its size, very soft (can be scratched with a finger nail), and it has a soapy feel. One face is irregular with many rounded particles, some of which are magnetic, and small holes. The other faces are smooth and fine grained, with conchoidal fractures. The piece is 41.3mm long, 33.3mm wide and 16.2mm thick. 14.5g.
Created on: Thursday 28th October 2021
Last updated: Wednesday 1st December 2021
Spatial data recorded.

Record ID: SWYOR-D1766C
Object type: SLAG
Broad period: UNKNOWN
County: Rotherham
Workflow stage: Awaiting validation
A piece of crystalline silver coloured metal, perhaps galena, lead ore or metallic slag, indicative of metalworking. The date is unknown. It is 42.8mm long, 26.9mm wide and 12.6mm thick. It weighs 39.94g. It is irregularly shaped, and has a crystalline, faceted surface, and is highly reflective. The facets are of different sizes.
Created on: Monday 2nd September 2019
Last updated: Thursday 18th March 2021
Spatial data recorded.

Record ID: SWYOR-206CE4
Object type: SLAG
Broad period: UNKNOWN
County: Doncaster
Workflow stage: 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.

Record ID: SWYOR-2049F6
Object type: SLAG
Broad period: UNKNOWN
County: Doncaster
Workflow stage: 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.

Record ID: SWYOR-4B57FC
Object type: SLAG
Broad period: UNKNOWN
County: Lincolnshire
Workflow stage: 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.

Record ID: SWYOR-FA48D1
Object type: SLAG
Broad period: UNKNOWN
County: Doncaster
Workflow stage: Awaiting validation
A tiny fragment of slag, clincker or similar industrial by-product. Its structure is bubbly and vesicular and it has a light density. It is dark grey.
Created on: Thursday 17th April 2014
Last updated: Sunday 19th May 2019
Spatial data recorded.

Record ID: SWYOR-E67333
Object type: SLAG
Broad period: UNKNOWN
County: Doncaster
Workflow stage: Awaiting validation
Three pieces of slag, clinker or other similar industrial by-product. The pieces are rough and irregular, and of light density. They are dark grey or black, and lustrous in places. They do not respond to a magnet.
Created on: Wednesday 16th April 2014
Last updated: Thursday 1st May 2014
Spatial data recorded.

Record ID: SWYOR-D527D3
Object type: SLAG
Broad period: UNKNOWN
County: Doncaster
Workflow stage: Awaiting validation
Two pieces of slag, clinker or other similar industrial by-product. The pieces are rough and irregular, with bubbles and cavities. One has a low density and is grey with some undulating dark grey layers and some areas of orange colouration. The other is low in mass but glassy with conchoidal fractures. There is a lump of orange stone on one face, and a shiny, purple layer on the other face, with the rets being a dark grye to black colour. Both react to a magnet.
Created on: Tuesday 15th April 2014
Last updated: Thursday 1st May 2014
Spatial data recorded.