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BLADE
Unique ID: CORN-9DA23C
Object type certainty: Certain
Workflow
status: Awaiting validation 
A flint serrated blade, crescent-shaped in plan, plano-convex in profile and triangular in section. Made on a tertiary conchoidal flake of fine-textured, unpatinated pale brown flint with no cortex remaining. A very small area of the striking platform remains at the proximal end and conchoidal ripples are clearly visible along the full length of the ventral face terminating in a hinge fracture at the distal end. The dorsal face bears the scars of removal of several earlier flakes and has been thinned at the proximal end by the removal of 4 or 5 shallow, longitudinal flakes, and retouched more finely at the distal end. When viewed from the dorsal side the convex right-hand margin of the blade has been slightly damaged through use while the straighter, left-hand margin is more extensively damaged, along most of its length, including a distinct notch near the centre, suggesting that this was the principal cutting edge of the tool.
Bond (2004) illustrates several Late Neolithic and Early Bronze Age serrated blades on pages 143 & 151, figs.5.129 & 5.135, nos.F150 & F137-8.
Subsequent actions
Subsequent action after recording: Returned to finder
Chronology
Broad period: NEOLITHIC
Subperiod from: Late
Period from: NEOLITHIC
Subperiod to: Early
Period to: BRONZE AGE
Date from: Circa 2700 BC
Date to: Circa 1700 BC
Dimensions and weight
Quantity: 1
Length: 50 mm
Height: 6 mm
Width: 15 mm
Thickness: 6 mm
Weight: 5.7 g
Discovery dates
Date(s) of discovery: Sunday 30th July 2017 - Sunday 30th July 2017
Personal details
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Materials and construction
Primary material: Flint
Manufacture method: Knapped/flaked
Completeness: Complete
Spatial metadata
Region: South West (European Region)County or Unitary authority: Cornwall (Unitary Authority)
District: Cornwall (Unitary Authority)
Parish or ward: St. Buryan (Civil Parish)
Spatial coordinates
4 Figure: SW4027
Four figure Latitude: 50.08609416
Four figure longitude: -5.63604756
1:25K map: SW4027
1:10K map: SW47NW
Grid reference source: From finder
Unmasked grid reference accurate to a 10 metre square.
References cited
| Author | Publication Year | Title | Publication Place | Publisher | Pages | Reference | |
|---|---|---|---|---|---|---|---|
| Bond, C. | 2005 | PAS Guide to the Identification, Assessment and Recording of Lithics | London | The Portable Antiquities Scheme | pp.143 & 151, figs.5.129 & 5.135 | nos.F150 & F137-8 |
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Timeline of associated dates
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