File:StromatolitheAustralie25.jpeg
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Summary
DescriptionStromatolitheAustralie25.jpeg |
English: Stromatolites growing her in Yalgorup national park in Australia (there are also other stromatolithes in Shark Bay and in Western Australia. Stromatolites are "attached, lithified "sedimentary" growth structures, accretionary away from a point or limited surface of initiation." (Low tide)
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Date | |||
Source | Photograph taken by C. Eeckhout. Noter la turbidité et couleur verte de l'eau qui montre la présence de nutriment, et la faible déclivité du substrat qui expose le milieu à une intense insolation, mais l'absence d'algues fertes sur les structures biogènes que sont les stromatolites (dites "trombolites" en Australie) | ||
Author | C Eeckhout | ||
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Items portrayed in this file
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January 2008
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 16:12, 8 January 2008 | 1,600 × 1,200 (417 KB) | Eeckhout | {{Information |Description= |Source=travail personnel |Date= |Author= Eeckhout |Permission= |other_versions= }} == Description == {{Information |Description= {{en}}Stromatolites growing her in [[Yalgorup national park |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot S5 IS |
Exposure time | 1/250 sec (0.004) |
F Number | f/4 |
ISO speed rating | 80 |
Date and time of data generation | 08:16, 5 January 2008 |
Lens focal length | 6.7 mm |
Orientation | 0 |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Picasa 3.0 |
File change date and time | 08:16, 5 January 2008 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 08:16, 5 January 2008 |
Image compression mode | 5 |
APEX shutter speed | 7.96875 |
APEX aperture | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 2.875 APEX (f/2.71) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
Color space | Uncalibrated |
Focal plane X resolution | 9,102.2222222222 |
Focal plane Y resolution | 9,088.7573964497 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Manual white balance |
Digital zoom ratio | 1 |
Scene capture type | Landscape |
Unique image ID | 930b78768cd03b2f04957092996447d8 |
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