File:Kimberlite (Lomonosovskaya Pipe, Late Devonian; Arkhangelsk Region, Russia) 6.jpg
Original file (2,404 × 2,179 pixels, file size: 4.33 MB, MIME type: image/jpeg)
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Summary
[edit]DescriptionKimberlite (Lomonosovskaya Pipe, Late Devonian; Arkhangelsk Region, Russia) 6.jpg |
English: Kimberlite from the Devonian of Russia.
This kimberlite sample is from an exploratory drill core in a diamondiferous pipe in northwestern Russia. It has abundant serpentinized olivine (= greenish masses). Sample description by a Russian diamond exploration geologist (I'm not 100% sure who it was): Autolith kimberlite breccia, Lomonosovskaya Pipe, Zolotitskoye Field. Microcrystalline structure. Breccia is characterized by presence of serpentine pseudomorphs of olivine of the first and second generation in quantity from 40 to 80% (olivine-I predominates), autoliths - up to 10%, xenogenic material - up to 5-10% (quartz grains and argillite and aleurolite fragments). The cement mass consists of saponite or serpentine-saponite aggregates. Among diamond-satellite minerals, there occur chrome-spinellid (60 grams/ton), chrome-diopside (15 grams/ton) and pyrope (7 grams/ton). Picroilmenite is practically absent. [Note: "argillite" probably means shale, not the very low grade metamorphic rock. The Russian term "aleurolite" is close in meaning to "siltstone".] Geologic unit: Lomonosovskaya Pipe, Zolotitskoye Field, Arkhangelskaya Diamond Province, Late Devonian Locality: Lomonosovskaya Pipe, north-northeast of the town of Arkhangelsk, Arkhangelsk Region, east of the White Sea, northwestern Russia |
Date | |
Source | https://www.flickr.com/photos/47445767@N05/50622725261/ |
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@N05/50622725261. It was reviewed on 20 November 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
20 November 2020
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:58, 20 November 2020 | 2,404 × 2,179 (4.33 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/50622725261/ with UploadWizard |
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Metadata
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 | Canon |
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Camera model | Canon PowerShot D10 |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/10 |
ISO speed rating | 80 |
Date and time of data generation | 00:53, 17 November 2020 |
Lens focal length | 9.681 mm |
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 18.0 (Macintosh) |
File change date and time | 20:01, 19 November 2020 |
Exif version | 2.21 |
Date and time of digitizing | 00:53, 17 November 2020 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 5.90625 |
APEX aperture | 6.65625 |
APEX exposure bias | −0.66666666666667 |
Maximum land aperture | 3.625 APEX (f/3.51) |
Metering mode | Pattern |
Flash | Flash fired, compulsory flash firing, red-eye reduction mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 16,460.905349794 |
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 | Portrait |
Lens used | 6.2-18.6mm |
Date metadata was last modified | 15:01, 19 November 2020 |
Unique ID of original document | 735C53E893EB6E802DDF52BAE03FA070 |
IIM version | 2 |