File:Brenham Pallasite Found in Kansas in 1882 (50059757688).jpg
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Summary[edit]
DescriptionBrenham Pallasite Found in Kansas in 1882 (50059757688).jpg |
The impact left the 50-ft. Haviland Crater, approximately 20,000 years ago. It is a cosmic blend of yellowish olivine (peridot) crystals in an iron-nickel matrix. Long before the farming of the mid-west and the finding of the first meteorites by settlers, the iron was being widely traded and used by the Native American population. Pieces of meteoritic iron originally from the Brenham area have been found in archeological burial sites over much of the eastern US, and as far away as Ohio. <a href="https://www.lpi.usra.edu/meteor/metbull.php?code=5136" rel="noreferrer nofollow">Pallasite, PMG-an</a>, one of just 15 with this classification. This end cut is a small 9g stone. |
Date | |
Source | Brenham Pallasite Found in Kansas in 1882 |
Author | Steve Jurvetson from Los Altos, USA |
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This image was originally posted to Flickr by jurvetson at https://flickr.com/photos/44124348109@N01/50059757688. It was reviewed on 10 May 2021 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
10 May 2021
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current | 09:12, 10 May 2021 | 4,994 × 4,342 (4.62 MB) | Sentinel user (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Camera manufacturer | Canon |
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Camera model | Canon EOS 5D Mark IV |
Exposure time | 1/800 sec (0.00125) |
F-number | f/16 |
ISO speed rating | 25,600 |
Date and time of data generation | 16:46, 29 June 2020 |
Lens focal length | 65 mm |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
File change date and time | 16:46, 29 June 2020 |
Exposure Program | Aperture priority |
Exif version | 2.3 |
Date and time of digitizing | 16:46, 29 June 2020 |
Meaning of each component |
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APEX aperture | 8 |
APEX exposure bias | 0 |
Maximum land aperture | 2.8284271229882 APEX (f/2.67) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
DateTime subseconds | 00 |
DateTimeOriginal subseconds | 000 |
DateTimeDigitized subseconds | 000 |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 5,719.1489361702 |
Focal plane Y resolution | 5,728.9002557545 |
Focal plane resolution unit | inches |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |
Lens used | Canon MP-E 65mm f/2.8 1-5x Macro Photo |
Rating (out of 5) | 0 |