File:Early to mid Neolithic chert side scraper (FindID 999149).jpg
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Summary
[edit]Early to mid Neolithic chert side scraper | |||
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Photographer |
The Portable Antiquities Scheme, Alex Whitlock, 2020-04-07 22:22:29 |
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Title |
Early to mid Neolithic chert side scraper |
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Description |
English: Early to mid Neolithic side scraper on a tertiary flake of grey chert. On one mesal two notches have been removed from near the distal end then the whole ventral edge has received short, parallel to sub-parallel, semi-abrupt retouch The resultant edge probably served three purposes, as a serrated blade, a notched scraper, and as a side scraper if the proximal end was favoured. The other mesal is 7.5mm thick. On its dorsal edge it has short, abrupt, sub-parallel retouch to the whole edge. The ventral edge has a series of scaled semi-invasive removals overlaid with short, abrupt, sub-parallel retouch on its middle third while the distal third has had a large removal that runs across to the dorsal edge. This last removal has served to narrow the distal end and to create a small nub between it at the removals on the middle third. This nub has had two further spalls removed, either to allow it to be used as a robust gouge/burin or to stop it causing injury when the opposing mesal was in use. The distal end has been shaped with an invasive initial removal and has then had short sub-parallel, semi-abrupt retouch. The distal end has also been modified, initially with a flake that removed the whole end, the the two ventral corners have been removed invasively, finally the sharper of the corners has been reduced with a fine invasive removal. Dates to between c4000 and c2700 BC.
Length 22mm, width 14mm, thickness 7.5mm, mass 2.77g |
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Depicted place | (County of findspot) Lancashire | ||
Date | between 4000 BC and 2700 BC | ||
Accession number |
FindIdentifier: 999149 |
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Credit line |
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Source |
https://finds.org.uk/database/ajax/download/id/1099520 Catalog: https://finds.org.uk/database/images/image/id/1099520/recordtype/artefacts archive copy at the Wayback Machine Artefact: https://finds.org.uk/database/artefacts/record/id/999149 |
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Permission (Reusing this file) |
Attribution License version 2.0 (verified 13 November 2020) |
Licensing
[edit]This file is licensed under the Creative Commons Attribution 2.0 Generic license.
Attribution: The Portable Antiquities Scheme
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:31, 6 November 2020 | 1,618 × 1,028 (172 KB) | Fæ (talk | contribs) | Portable Antiquities Scheme, LANCUM, FindID: 999149-1099520, neolithic, page 448, batch count 8747 |
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Metadata
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Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D3000 |
Exposure time | 1/200 sec (0.005) |
F-number | f/8 |
ISO speed rating | 400 |
Date and time of data generation | 15:47, 6 April 2020 |
Lens focal length | 52 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Ver.1.00 |
File change date and time | 15:47, 6 April 2020 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.21 |
Date and time of digitizing | 15:47, 6 April 2020 |
Meaning of each component |
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Image compression mode | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 5 APEX (f/5.66) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash fired, strobe return light detected, compulsory flash firing |
DateTime subseconds | 50 |
DateTimeOriginal subseconds | 50 |
DateTimeDigitized subseconds | 50 |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 78 mm |
Scene capture type | Standard |
Scene control | Low gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |