File:American Falls (Niagara Falls, northwest of Buffalo, New York State, USA) 6 (20098603116).jpg
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Summary
DescriptionAmerican Falls (Niagara Falls, northwest of Buffalo, New York State, USA) 6 (20098603116).jpg |
(view from the American side) American Falls formed by water of the Niagara River cascading over an escarpment of Silurian-aged Lockport Group dolostones. This erosion-resistant stratigraphic interval forms an escarpment throughout much of eastern North American (America & Canada), from the Niagara area to Wisconsin. Dolostone is a crystalline-textured chemical sedimentary rock composed of dolomite (CaMg(CO3)2 - calcium magnesium carbonate). Most dolostones form by the diagenetic chemical addition of Mg to pre-existing limestones. |
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Date | ||||
Source | American Falls (Niagara Falls, northwest of Buffalo, New York State, USA) 6 | |||
Author | James St. John | |||
Other versions |
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Licensing
This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/20098603116 (archive). It was reviewed on 28 January 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
28 January 2020
Items portrayed in this file
depicts
some value
1 September 2006
0.008 second
6 millimetre
image/jpeg
9682bb4f291e7e23bf881644c14142ba1af33216
2,958,378 byte
1,600 pixel
2,592 pixel
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 02:08, 28 January 2020 | 2,592 × 1,600 (2.82 MB) | Ser Amantio di Nicolao | Transferred from Flickr via #flickr2commons |
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Metadata
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot S2 IS |
Exposure time | 1/125 sec (0.008) |
F Number | f/4 |
ISO speed rating | 50 |
Date and time of data generation | 17:15, 1 September 2006 |
Lens focal length | 6 mm |
Width | 2,592 px |
Height | 1,944 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop Elements 13.0 (Macintosh) |
File change date and time | 17:24, 29 July 2015 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 17:15, 1 September 2006 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 6.96875 |
APEX aperture | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 2.875 APEX (f/2.71) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 11,520 |
Focal plane Y resolution | 11,571.428571429 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |
Lens used | 6.0-72.0 mm |
Date metadata was last modified | 13:24, 29 July 2015 |
Unique ID of original document | E2375BF5A3AFE3C2B8DDC22CE7DCCEFA |
IIM version | 16,687 |