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SERRATED IMPLEMENT
Unique ID: YORYM-5AD9B5
Object type certainty: Certain
Workflow
status: Published 
A complete knapped lithic implement of early Neolithic date, circa 4000 - 3500 BC. The object is a serrated blade or saw which is D-shaped in both plan and section. The dorsal surface has had three long narrow flakes removed and has been notched along the left edge to create a serrated surface. The right edge is flat and steep retaining cortex. The distal edge has also been serrated though to a lesser degree than the left edge. The ventral surface is smooth with visible ripples of percussion.
The flint is a mid bluish-grey colour with abundant lighter inclusions. The object is 44.1mm long, 15.4mm wide, 6.9mm thick and weighs 5.8g.
Subsequent actions
Subsequent action after recording: Returned to finder
Chronology
Broad period: NEOLITHIC
Period from: NEOLITHIC
Date from: Circa 4000 BC
Date to: Circa 3500 BC
Dimensions and weight
Quantity: 1
Length: 44.1 mm
Width: 15.4 mm
Thickness: 6.9 mm
Weight: 5.8 g
Personal details
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Materials and construction
Primary material: Flint
Manufacture method: Knapped/flaked
Completeness: Complete
Spatial metadata
Region: Yorkshire and the Humber (European Region)County or Unitary authority: East Riding of Yorkshire (Unitary Authority)
District: East Riding of Yorkshire (Unitary Authority)
To be known as: Near Grindale
Spatial coordinates
Grid reference source: From finder
Unmasked grid reference accurate to a 100 metre square.
References cited
No references cited so far.
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Timeline of associated dates
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