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INGOT
Unique ID: CORN-F1EEDC
Object type certainty: Certain
Workflow
status: Awaiting validation 
Fragment of a cast copper alloy ingot which would have originally been circular in plan and plano-convex in profile. This fragment is square in plan, triangular in profile, and rectangular in section, as it comes from one edge of the original ingot. Plano-convex ingots like this one were used during the Late Bronze Age, c.1150-700 BC. The surface of the ingot is pitted where air bubbles formed during the casting process. There are dark green and coppery brown areas and light green patches of bronze disease. Similar ingot fragments have been found in metalworkers' hoards in Cornwall dating from the Late Bronze Age, most recently in a hoard (2016 T20) from St Levan (CORN-E8DF11) and in another hoard (2012 T570) from St Buryan (CORN-37D710), which were found with socketed axes that date from the Ewart Park phase (c.950-850 BC) of the Late Bronze Age.
Pearce (1983) illustrates similar ingots with rectangular profiles from Mountbatten, Plymouth on page 451, plate 36, no.281t, which were found with other Late Bronze Age metalwork.
Knight, Ormrod & Pearce (2015) illustrate a similar plano-convex ingot from Marldon in Devon on page 79, pl.6, no.146a (see DEV-677584). Also see the ingots recorded in DEV-D9F1E2 (2011T441) which are dated from the Ewart Park phase of the Late Bronze Age.
Subsequent actions
Subsequent action after recording: Returned to finder
Chronology
Broad period: BRONZE AGE
Subperiod from: Late
Period from: BRONZE AGE
Subperiod to: Late
Period to: BRONZE AGE
Date from: Circa 1150 BC
Date to: Circa 700 BC
Dimensions and weight
Quantity: 1
Length: 57 mm
Width: 54 mm
Thickness: 19 mm
Weight: 261.15 g
Discovery dates
Date(s) of discovery: Sunday 9th September 2018 - Sunday 9th September 2018
Personal details
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Materials and construction
Primary material: Copper
Manufacture method: Cast
Completeness: Fragment
Spatial metadata
Region: South West (European Region)County or Unitary authority: Cornwall (Unitary Authority)
District: Cornwall (Unitary Authority)
Parish or ward: Gwinear-Gwithian (Civil Parish)
Spatial coordinates
4 Figure: SW5840
Four figure Latitude: 50.21040947
Four figure longitude: -5.39315583
1:25K map: SW5840
1:10K map: SW50SE
Grid reference source: From finder
Unmasked grid reference accurate to a 100 metre square.
References cited
| Author | Publication Year | Title | Publication Place | Publisher | Pages | Reference | |
|---|---|---|---|---|---|---|---|
| Knight, M., Ormrod, T. and Pearce, S. | 2015 | The Bronze Age Metalwork of South Western Britain: A corpus of material found between 1983 and 2014 | Oxford | Archaeopress | p.79, pl.6 | no.146a | |
| Pearce, S.M. | 1983 | The Bronze Age Metalwork of South Western Britain | Oxford | British Archaeological Reports | p.451, plate 36 | no.281t |
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Timeline of associated dates
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