File:Otter Creek (Baxter Hollow, South Range of the Baraboo Ranges, Wisconsin, USA) (18848662191).jpg
![File:Otter Creek (Baxter Hollow, South Range of the Baraboo Ranges, Wisconsin, USA) (18848662191).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/9/95/Otter_Creek_%28Baxter_Hollow%2C_South_Range_of_the_Baraboo_Ranges%2C_Wisconsin%2C_USA%29_%2818848662191%29.jpg/800px-Otter_Creek_%28Baxter_Hollow%2C_South_Range_of_the_Baraboo_Ranges%2C_Wisconsin%2C_USA%29_%2818848662191%29.jpg?20200128020124)
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[edit]DescriptionOtter Creek (Baxter Hollow, South Range of the Baraboo Ranges, Wisconsin, USA) (18848662191).jpg |
Otter Creek in the South Range of the Baraboo Ranges of Wisconsin, USA. (3 June 2015) The coarse-grained gravel in this creek is derived from nearby outcrops of Baraboo Quartzite. The Baraboo Ranges of southern Wisconsin are dominated by this hard, erosion-resistant Precambrian metamorphic unit. These rocks were originally marine sandstones and have been subjected to metamorphism and structural folding. Original sedimentary structures are preserved, such as cross-bedding and ripple marks. Baraboo Quartzites vary in color from pinkish to dark reddish to grayish. During metamorphism, quartz overgrowths formed over the original quartz sand grains. Long-term, modern weathering can result in original sand grains being released. This unit has economic significance - it has been quarried historically and in modern times. The quartzite is broken down into gravel-sized pieces for use as railroad ballast and erosion-control rip-rap. Stratigraphy: Baraboo Quartzite, upper Paleoproterozoic, ~1.7 Ga Locality: Baxter Hollow (immediately downstream of bridge over Otter Creek), South Range of the Baraboo Ranges, southeastern Sauk County, southern Wisconsin, USA (43° 23' 06.64" North, 89° 47' 55.43" West) |
Date | |
Source | Otter Creek (Baxter Hollow, South Range of the Baraboo Ranges, Wisconsin, USA) |
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@N05/18848662191 (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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current | 02:01, 28 January 2020 | ![]() | 3,995 × 2,286 (6.8 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot D10 |
Exposure time | 1/40 sec (0.025) |
F-number | f/4 |
ISO speed rating | 80 |
Date and time of data generation | 16:12, 3 June 2015 |
Lens focal length | 11.6 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop Elements 13.0 (Macintosh) |
File change date and time | 21:02, 15 June 2015 |
Y and C positioning | Centered |
Exif version | 2.21 |
Date and time of digitizing | 16:12, 3 June 2015 |
Meaning of each component |
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APEX shutter speed | 5.3219280719281 |
APEX aperture | 4 |
APEX exposure bias | −0.66666666666667 |
Maximum land aperture | 4 APEX (f/4) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 16,460.905405405 |
Focal plane Y resolution | 16,483.516483516 |
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 | 17:02, 15 June 2015 |
Unique ID of original document | 5193A842754D0671559621BF6DD7F195 |