File:Paleoproterozoic_stromatolites_Franceville.jpg
From Wikipedia, the free encyclopedia
Original file (4,000 × 3,000 pixels, file size: 6.31 MB, MIME type: image/jpeg)
This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help. |
Summary
DescriptionPaleoproterozoic stromatolites Franceville.jpg |
Français : Etage : Fc, Francevillien, Paléoprotérozoïque, Protérozoïque.
Localité : Bassin de Franceville, Gabon, Afrique Centrale. La section verticale naturelle de ces stromatolites montre des colonnes et pseudo colonnes anastomosées recouvertes par des lamines planes. Ce bon échantillon figure dans la publication qui, en 1994, a décrit pour la première fois les stromatolites du bassin de Franceville ( Microfossiliferous cherty stromatolites in the 2000 Ma Franceville Group, Gabon ).English: Stage : Fc, Francevillian, Paleoproterozoic, Proterozoic.
Locality : Franceville Basin, Gabon, Central Africa. The natural vertical section of these stromatolites shows columns and pseudo-columns capped by flat laminae. This good sample appears in the publication that first described the Paleoproterozoic stromatolites from the Franceville Basin ( Microfossiliferous cherty stromatolites in the 2000 Ma Franceville Group, Gabon ). |
Date | |
Source | Own work |
Author | Benoit Potin |
Licensing
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
Items portrayed in this file
depicts
some value
30 August 2020
0.03333333333333333333 second
6 millimetre
250
image/jpeg
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 15:56, 30 August 2020 | 4,000 × 3,000 (6.31 MB) | Benoit Potin | Uploaded own work with UploadWizard |
File usage
Global file usage
The following other wikis use this file:
- Usage on fr.wikipedia.org
- Usage on gl.wikipedia.org
- Usage on ms.wikipedia.org
- Usage on tr.wikipedia.org
- Usage on vi.wikipedia.org
Metadata
This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.
If the file has been modified from its original state, some details may not fully reflect the modified file.
Camera manufacturer | NIKON |
---|---|
Camera model | COOLPIX P7700 |
Exposure time | 1/30 sec (0.033333333333333) |
F-number | f/2 |
ISO speed rating | 250 |
Date and time of data generation | Unknown date |
Lens focal length | 6 mm |
Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop Elements 2.0 |
File change date and time | 12:12, 30 August 2020 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.3 |
Date and time of digitizing | Unknown date |
Meaning of each component |
|
Image compression mode | 4 |
Exposure bias | −0.7 |
Maximum land aperture | 2 APEX (f/2) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 28 mm |
Scene capture type | Standard |
Scene control | Low gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
GPS date | 0000:00:00 |
GPS tag version | 0.0.3.2 |
IIM version | 2 |