File:Volga Blue Granite (anorthosite) (Volodarsk-Volhynsky Intrusion, Korosten Complex, Paleoproterozoic, 1.758-1.760 Ga; Zhitomir Province, Ukraine) 7 (33882334452).jpg
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[edit]DescriptionVolga Blue Granite (anorthosite) (Volodarsk-Volhynsky Intrusion, Korosten Complex, Paleoproterozoic, 1.758-1.760 Ga; Zhitomir Province, Ukraine) 7 (33882334452).jpg |
"Volga Blue Granite" - coarsely-crystalline anorthosite from the Precambrian of Ukraine. Anorthosites are uncommon intrusive igneous rocks almost exclusively composed of Ca-rich plagioclase feldspar. There’s usually a blackish pyroxene component as well. Anorthosites having labradorite plagioclase feldspar will display a wonderfully colorful iridescent play of colors (labradorescence). This makes them desirable decorative stones. The dark, very coarsely-crystalline anorthosite shown above is from Ukraine. It is remarkable in having obvious zoned plagioclase feldspar. This is from the Volodarsk-Volhynsky Intrusion in the southern Korosten Complex, a large igneous suite intruded through the Ukrainian Shield. The Volodarsk-Volynsky Intrusion dates to the late Paleoproterozoic (1.758-1.760 Ga). This material is quarried between the cities of Korosten and Zhitomir, central Zhitomir Province, northwestern Ukraine. |
Date | |
Source | Volga Blue Granite (anorthosite) (Volodarsk-Volhynsky Intrusion, Korosten Complex, Paleoproterozoic, 1.758-1.760 Ga; Zhitomir Province, Ukraine) 7 |
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@N05/33882334452 (archive). It was reviewed on 22 October 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
22 October 2019
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current | 05:55, 22 October 2019 | 5,152 × 4,784 (14.29 MB) | Rudolphous (talk | contribs) | Transferred from Flickr via #flickr2commons |
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This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | A08447065B870046 |
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Camera model | Handy Scanner |
ISO speed rating | 890 |
Width | 5,152 px |
Height | 4,784 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 600 dpi |
Vertical resolution | 600 dpi |
Software used | Adobe Photoshop Elements 13.0 (Macintosh) |
File change date and time | 00:52, 12 April 2017 |
Exif version | 2.2 |
Color space | sRGB |
Date and time of digitizing | 15:26, 1 January 2015 |
Date metadata was last modified | 20:52, 11 April 2017 |
Unique ID of original document | 6C635961BD6777FB47201A5EB5EAC6BB |