File:Porphyritic granite (Giants Range Batholith, Neoarchean, 2.67-2.68 Ga; Rt. 1 roadcut north of the South Kawishiwi River, Minnesota, USA) 11 (21431311712).jpg
![File:Porphyritic granite (Giants Range Batholith, Neoarchean, 2.67-2.68 Ga; Rt. 1 roadcut north of the South Kawishiwi River, Minnesota, USA) 11 (21431311712).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/7/78/Porphyritic_granite_%28Giants_Range_Batholith%2C_Neoarchean%2C_2.67-2.68_Ga%3B_Rt._1_roadcut_north_of_the_South_Kawishiwi_River%2C_Minnesota%2C_USA%29_11_%2821431311712%29.jpg/800px-Porphyritic_granite_%28Giants_Range_Batholith%2C_Neoarchean%2C_2.67-2.68_Ga%3B_Rt._1_roadcut_north_of_the_South_Kawishiwi_River%2C_Minnesota%2C_USA%29_11_%2821431311712%29.jpg?20191205054736)
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Summary
[edit]DescriptionPorphyritic granite (Giants Range Batholith, Neoarchean, 2.67-2.68 Ga; Rt. 1 roadcut north of the South Kawishiwi River, Minnesota, USA) 11 (21431311712).jpg |
Porphyritic granite in the Precambrian of Minnesota, USA. This attractive rock consists of pinkish-orangish potassium feldspar phenocrysts (KAlSi3O8) with a groundmass of quartz (gray), plagioclase feldspar (whitish-gray), and one or more mafic minerals (black). Geologic unit & age: Giants Range Batholith, Neoarchean, 2.67-2.68 Ga Locality: roadcut on the northern side of Rt. 1, between mileposts 296 and 295, north of the South Kawishiwi River & southeast of the town of Ely, northwestern Lake County, northeastern Minnesota, USA (47° 49' 05.61" North, 91° 45' 14.19" West) |
Date | |
Source | Porphyritic granite (Giants Range Batholith, Neoarchean, 2.67-2.68 Ga; Rt. 1 roadcut north of the South Kawishiwi River, Minnesota, USA) 11 |
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@N05/21431311712 (archive). It was reviewed on 5 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
5 December 2019
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current | 05:47, 5 December 2019 | ![]() | 4,000 × 3,000 (3.77 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 | 1/160 sec (0.00625) |
F-number | f/8 |
ISO speed rating | 80 |
Date and time of data generation | 13:14, 9 June 2015 |
Lens focal length | 6.2 mm |
Image title | |
Width | 4,000 px |
Height | 3,000 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 | 12:13, 15 September 2015 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 13:14, 9 June 2015 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 7.3125 |
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 |
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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 | Portrait |
Lens used | 6.2-18.6 mm |
Date metadata was last modified | 06:13, 15 September 2015 |
Unique ID of original document | C0F3E4CC31A1A3A6E5612E02DD8615CE |