File:BLADE (FindID 829041).jpg
Original file (3,414 × 3,198 pixels, file size: 6.71 MB, MIME type: image/jpeg)
Captions
Summary
[edit]BLADE | |||
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Photographer |
Somerset County Council, Laura Burnett, 2017-11-13 00:16:43 |
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Title |
BLADE |
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Description |
English: A group of twenty six pieces of Mesolithic flint and chert debitage in the form of blades and bladelets, dating to the period c. 9000-2350 BC. The majority of pieces have been struck off a tertiary flake with no evidence of cortex remaining. However three pieces have been struck off a secondary flake, retaining between 5 and 20% of their cortex. The dorsal faces on all pieces exhibit negative flake scars, with the majority of the assembalge only having only two (5 pieces have three or more negative flake scars). The ventral faces all exhibit a low diffuse bulb of percussion with weakly defined conchodial ripple marks. Several are snapped blades, in a few there is retouch evidence suggesting this was deliberate, others may be deliberate or accidental. A few have deliberately created notches, probably failed attempts to also snap these blades to create microliths. The majority of the flint is dark grey in colour with, lighter grey and white inclusions, while the chert is a buff to dark orange colour with reddish orange inclusions. The assemblage weighs 44g |
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Depicted place | (County of findspot) Somerset | ||
Date | between 9000 BC and 2350 BC | ||
Accession number |
FindID: 829041 Old ref: SOM-85B209 Filename: SOM85B209dorsal.JPG |
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Credit line |
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Source |
https://finds.org.uk/database/ajax/download/id/636772 Catalog: https://finds.org.uk/database/images/image/id/636772/recordtype/artefacts archive copy at the Wayback Machine |
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Permission (Reusing this file) |
Attribution License |
Object location | 51° 00′ 14.76″ N, 3° 01′ 27.34″ W | View this and other nearby images on: OpenStreetMap | 51.004100; -3.024260 |
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Licensing
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 20:22, 6 December 2018 | 3,414 × 3,198 (6.71 MB) | Fæ (talk | contribs) | Portable Antiquities Scheme, SOM, FindID: 829041, mesolithic, page 654, batch count 11477 |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | Canon |
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Camera model | Canon EOS 1200D |
Exposure time | 1/100 sec (0.01) |
F-number | f/25 |
ISO speed rating | 2,000 |
Date and time of data generation | 13:52, 3 April 2017 |
Lens focal length | 60 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CS4 Windows |
File change date and time | 00:08, 13 November 2017 |
Y and C positioning | Co-sited |
Exposure Program | Aperture priority |
Exif version | 2.3 |
Date and time of digitizing | 13:52, 3 April 2017 |
Meaning of each component |
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APEX shutter speed | 6.625 |
APEX aperture | 9.375 |
APEX exposure bias | 0 |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 14 |
DateTimeOriginal subseconds | 14 |
DateTimeDigitized subseconds | 14 |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 5,728.1767955801 |
Focal plane Y resolution | 5,808.4033613445 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |
GPS tag version | 0.0.3.2 |
Supported Flashpix version | 1 |
Image width | 3,414 px |
Image height | 3,198 px |
Rating (out of 5) | 0 |
Date metadata was last modified | 00:08, 13 November 2017 |
Unique ID of original document | xmp.did:34212EA6FDC7E7119676B123EDA62C66 |
IIM version | 36,640 |