File:Gooseberry Falls - Main Falls (Middle Falls) (Gooseberry River, North Shore of Lake Superior, Minnesota, USA) 9 (22317438130).jpg
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Summary
[edit]DescriptionGooseberry Falls - Main Falls (Middle Falls) (Gooseberry River, North Shore of Lake Superior, Minnesota, USA) 9 (22317438130).jpg |
(8 June 2015) The iced tea color of the water is due to the presence of tannins (= organic compounds derived from plants). The rocks are olivine tholeiite basalts (some are amygdaloidal) of the ~1.1 billion year old North Shore Volcanic Series. These basalts are flood lavas that filled up an ancient rift valley (= Lake Superior segment of the Mid-Continent Rift System), representing a tear in the ancient North American paleocontinent of Laurentia. Stratigraphy of rocks: Gooseberry River Basalts, Upper Southwest Sequence, North Shore Volcanic Group, upper Mesoproterozoic, 1097-1098 Ma Locality: Gooseberry Falls - Main Falls (Middle Falls), Gooseberry River, a little inland from the North Shore of Lake Superior, northeastern Minnesota, USA |
Date | |
Source | Gooseberry Falls - Main Falls (Middle Falls) (Gooseberry River, North Shore of Lake Superior, Minnesota, USA) 9 |
Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/22317438130 (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
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 02:13, 28 January 2020 | 3,000 × 4,000 (3.41 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Metadata
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot D10 |
Exposure time | 1/200 sec (0.005) |
F-number | f/8 |
ISO speed rating | 80 |
Date and time of data generation | 14:15, 8 June 2015 |
Lens focal length | 6.2 mm |
Width | 3,000 px |
Height | 4,000 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 | 20:29, 26 October 2015 |
Exif version | 2.21 |
Date and time of digitizing | 14:15, 8 June 2015 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 7.65625 |
APEX aperture | 6 |
APEX exposure bias | −0.33333333333333 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 16,460.904761905 |
Focal plane Y resolution | 16,483.517241379 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Landscape |
Lens used | 6.2-18.6 mm |
Date metadata was last modified | 14:29, 26 October 2015 |
Unique ID of original document | 004D83B1A9F01B5893677F1878F08A08 |