File:Thin section scan crossed polarizers Siilinjärvi R625-122.05.jpg
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Summary
[edit]DescriptionThin section scan crossed polarizers Siilinjärvi R625-122.05.jpg |
![]() English: Scanned image of thin section from Siilinjärvi apatite ore in cross polarised transmitted light.
The thin section has a clear orientation and the movement has concentrated to planes between the bigger grains. Clasts form half of the thin section, and the rest is composed of oriented groundmass. Tetraferriphlogopites are present as bent flakes and elongated laths. The flakes have turned into the shear direction and broken into elongated grains towards the shear direction. Groundmass-sized fragments constitute about 60 % of the micas. The flakes are 0.5-2.5 mm in diameter and have often signs of deformation: they are bent and broken by the cleavage plains. The laths are shattered, and grain size varies with the shearing intensity from flake-sized grains to extremely tiny groundmass. Tetraferriphlogopite covers 70 % of the thin section. Apatite is present as altered grains and as fragments broken from them. The grains are often in companion with carbonate minerals, and the carbonates form inclusion trails in apatite grains. Apatites occurs in all sizes: from tiny fragments < 0.1 mm wide to large porphyroclasts up to 5 mm in diameter. Apatite forms 20 area-% of the thin section. Carbonates form 10 % of the thin section area, and the dominating carbonate mineral is dolomite. They are found in dispersed veins with apatite and as individual grains in the flow zones. Grains are commonly 0.1-0.5 mm wide. The grains around apatites are often only < 0.1 mm in diameter. Some small scale aggregates are found in veins with apatite. |
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Source | Own work |
Author | kallerna |
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current | 19:05, 12 November 2019 | ![]() | 3,700 × 2,180 (2.53 MB) | Kallerna (talk | contribs) | User created page with UploadWizard |
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File usage on Commons
The following 23 pages use this file:
- User talk:Kallerna/2015-2019
- Commons:Quality images/Subject/Microscopic
- Commons:Quality images candidates/Archives November 18 2019
- File:Sample Siilinjärvi R625 (122.05).jpg
- File:Thin section scan crossed polarizers Siilinjärvi 501-M3.jpg
- File:Thin section scan crossed polarizers Siilinjärvi H10.jpg
- File:Thin section scan crossed polarizers Siilinjärvi H16.jpg
- File:Thin section scan crossed polarizers Siilinjärvi H2.jpg
- File:Thin section scan crossed polarizers Siilinjärvi R276-108.40.jpg
- File:Thin section scan crossed polarizers Siilinjärvi R301-61.70.jpg
- File:Thin section scan crossed polarizers Siilinjärvi R616-78.20.jpg
- File:Thin section scan crossed polarizers Siilinjärvi R625-110.80.jpg
- File:Thin section scan crossed polarizers Siilinjärvi R625-122.05.jpg
- File:Thin section scan crossed polarizers Siilinjärvi R625-145.40.jpg
- File:Thin section scan crossed polarizers Siilinjärvi R625-153.25.jpg
- File:Thin section scan crossed polarizers Siilinjärvi R625-47.40.jpg
- File:Thin section scan crossed polarizers Siilinjärvi R636-105.90.jpg
- File:Thin section scan crossed polarizers Siilinjärvi R636-116.75.jpg
- File:Thin section scan crossed polarizers Siilinjärvi R636-120.45.jpg
- File:Thin section scan crossed polarizers Siilinjärvi R636-131.20.jpg
- File:Thin section scan crossed polarizers Siilinjärvi R636-136.45.jpg
- File:Thin section scan crossed polarizers Siilinjärvi R636-42.60.jpg
- File:Thin section scan crossed polarizers Siilinjärvi R636-63.35.jpg
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.
Author | Kalle Rahkola |
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Date and time of data generation | 20:14, 20 September 2016 |
Width | 8,551 px |
Height | 5,038 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 6,400 dpi |
Vertical resolution | 6,400 dpi |
Software used | Adobe Photoshop CS6 (Macintosh) |
File change date and time | 20:48, 12 November 2019 |
Exif version | 2.21 |
Date and time of digitizing | 20:14, 20 September 2016 |
DateTimeOriginal subseconds | 11 |
DateTimeDigitized subseconds | 11 |
Color space | Uncalibrated |
Date metadata was last modified | 22:48, 12 November 2019 |
Unique ID of original document | E8A5CCCD06B82CD2669DB54AC9CA3812 |