File:SOM-D9D524, Five mesolithic to early Neolithic microburins (dorsal) (FindID 264181).jpg
Original file (2,539 × 1,395 pixels, file size: 354 KB, MIME type: image/jpeg)
Captions
Summary
[edit]SOM-D9D524: Five mesolithic to early Neolithic microburins (dorsal) | |||
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Photographer |
Somerset County Council, Anna Booth, 2009-07-27 19:08:09 |
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Title |
SOM-D9D524: Five mesolithic to early Neolithic microburins (dorsal) |
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Description |
English: Five flint microburins of various sizes found together with large collection of Mesolithic to early Bronze Age flint tools and flint working debris dispersed over a field. Microburins are by-products of microlith production. All have long thin, longitudinal flaking scars on the dorsal face and a small notch on one side where the microlith has been snapped from the burin. None show any evidence of further retouch.
The following dimensions and notes refer to the objects shown in the photograph in order from left to right. 1. Length: 43.81mm, Width: 18.33mm, Thickness: 3.80mm Weight: 3.30g Secondary flake. Four long thin flaking scars on dorsal face. Notch on right side and small portion removed down to the proximal end. Small amount of cortex remaining on dorsal face at the distal end. Mid brown in colour with a shiny patina. 2. Length: 33.18mm, Width: 18.26mm, Thickness: 3.52mm Weight: 2.25g Secondary flake. One large longitudinal flake in the centre of the dorsal face with two thinner ones along the edges on either side. Notch on left side and portion removed from the centre down to the proximal end. A tiny amount of cortex remains at the distal end. Mid grey flint with lighter patches and matt patina. 3. Length: 29.64mm, Width: 18.19mm, Thickness: 4.65mm Weight: 2.68g Tertiary flake. Several long, thin, longitudinal flaking scars on the dorsal face. Notch on right side and small portion removed down to the proximal end. Light grey flint with a matt patina. 4. Length: 30.72mm, Width: 13.53mm, Thickness: 3.91mm Weight: 1.73g Secondary flake. A small amount of cortex remains on the left side at the distal end. Notch on the right side towards the proximal end and long portion removed all the way to the distal end. The flint is mid grey in colour with a speckled milky, matt patina. 5. Length: 19.75mm, Width: 12.07mm, Thickness: 2.79mm Weight: 0.81g Small tertiary flake. Notch on the right side towards the proximal end and portion removed all the way to the distal end. The flint is mid grey in colour with a milky, matt patina. |
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Depicted place | (County of findspot) Somerset | ||
Date | between 8300 BC and 2900 BC | ||
Accession number |
FindID: 264181 Old ref: SOM-D9D524 Filename: SOM-D9D524ventral.jpg |
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Credit line |
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Source |
https://finds.org.uk/database/ajax/download/id/217553 Catalog: https://finds.org.uk/database/images/image/id/217553/recordtype/artefacts Artefact: https://finds.org.uk/database/artefacts/record/id/264181 |
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Permission (Reusing this file) |
Attribution-ShareAlike License version 4.0 (verified 3 December 2020) |
Licensing
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File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:42, 30 January 2017 | 2,539 × 1,395 (354 KB) | Fæ (talk | contribs) | Portable Antiquities Scheme, LEIC, FindID: 264181, mesolithic, page 1817, batch count 12756 |
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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 350D DIGITAL |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/32 |
ISO speed rating | 100 |
Date and time of data generation | 17:51, 27 July 2009 |
Lens focal length | 60 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop CS2 Windows |
File change date and time | 18:02, 27 July 2009 |
Y and C positioning | Co-sited |
Exposure Program | Manual |
Exif version | 2.21 |
Date and time of digitizing | 17:51, 27 July 2009 |
Meaning of each component |
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APEX shutter speed | 5.9068908691406 |
APEX aperture | 10 |
APEX exposure bias | 0 |
Metering mode | Average |
Flash | Flash fired, compulsory flash firing |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 3,954.233409611 |
Focal plane Y resolution | 3,958.7628865979 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Manual white balance |
Scene capture type | Standard |
Supported Flashpix version | 1 |
Image width | 2,539 px |
Image height | 1,395 px |
Date metadata was last modified | 19:02, 27 July 2009 |