File:Besant Projectile Point (FOUS 3909) (a7b333cf-1dd8-b71b-0b67-5ad547fb6484).jpg
Original file (1,200 × 670 pixels, file size: 232 KB, MIME type: image/jpeg)
Captions
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Summary[edit]
English: Besant Projectile Point (FOUS 3909) | |||||
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Photographer |
English: NPS photo |
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Title |
English: Besant Projectile Point (FOUS 3909) |
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Publisher |
English: U.S. National Park Service |
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Description |
English: Swan River chert besant projectile point. Before Europeans arrived in the Americas, Swan River Chert, was one type of lithic material that American Indian peoples knapped into projectile points. Found in glacial till, the small rocks left behind when glaciers melted, this chert is abundant in the Swan River Valley region of Manitoba, Canada. Archeologists call this particular point a Besant point; it dates from between 3,000 BP and 1,500 BP.
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Depicted place |
English: Fort Union Trading Post National Historic Site |
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Date | Taken on 24 February 2017 | ||||
Accession number | |||||
Source |
English: NPGallery |
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Permission (Reusing this file) |
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NPS Unit Code InfoField | FOUS |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 06:19, 14 May 2024 | 1,200 × 670 (232 KB) | BMacZeroBot (talk | contribs) | Batch upload (Commons:Batch uploading/NPGallery) |
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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.
Image title | Before Europeans arrived in the Americas, Swan River Chert, was one type of lithic material that American Indian peoples knapped into projectile points. Found in glacial till, the small rocks left behind when glaciers melted, this chert is abundant in the Swan River Valley region of Manitoba, Canada. Archeologists call this particular point a Besant point; it dates from between 3,000 BP and 1,500 BP. |
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Camera manufacturer | Canon |
Camera model | Canon EOS DIGITAL REBEL XTi |
Exposure time | 1/80 sec (0.0125) |
F-number | f/3.5 |
ISO speed rating | 400 |
Date and time of data generation | 12:33, 24 February 2017 |
Lens focal length | 50 mm |
Orientation | Normal |
File change date and time | 12:33, 24 February 2017 |
Y and C positioning | Co-sited |
Exposure Program | Not defined |
Exif version | 2.21 |
Date and time of digitizing | 12:33, 24 February 2017 |
Meaning of each component |
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APEX shutter speed | 6.3219299316406 |
APEX aperture | 3.6147155761719 |
APEX exposure bias | 0 |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTimeOriginal subseconds | 00 |
DateTimeDigitized subseconds | 00 |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 4,433.2953249715 |
Focal plane Y resolution | 4,453.6082474227 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |