File:Rock anhydrite (Wieliczka Beds, Middle Miocene; Bochnia Salt Mine, Poland) 1.jpg
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Summary
[edit]DescriptionRock anhydrite (Wieliczka Beds, Middle Miocene; Bochnia Salt Mine, Poland) 1.jpg |
English: Rock anhydrite from the Tertiary of Poland.
Rock anhydrite is an uncommon, crystalline-textured, ~monomineralic, chemical sedimentary rock. It is composed of the mineral anhydrite (CaSO4 - calcium sulfate), which is gypsum without the water (gypsum is hydrous calcium sulfate - CaSO4·2H2O). Rock anhydrite forms the same way as the more common rock salt and rock gypsum (gyprock) - they are all evaporites, formed by the evaporation of water (usually seawater) and the precipitation of dissolved minerals. Rock anhydrite is prone to conversion to rock gypsum, and vice versa. Rock anhdyrite to rock gypsum transformations occur commonly in nature - the accompanying volume changes often result in significant deformation of surrounding rocks. Stratigraphy: Wieliczka Beds, Badenian Stage, Middle Miocene Locality: Bochnia Salt Mine, town of Bochnia, Bochnia County, ~east of Krakow, southern Poland |
Date | |
Source | https://www.flickr.com/photos/47445767@N05/51989379587/ |
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@N05/51989379587. It was reviewed on 8 April 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
8 April 2022
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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 | 22:07, 16 March 2022 |
Lens focal length | 9.7 mm |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop Elements 18.0 (Macintosh) |
File change date and time | 10:34, 8 April 2022 |
Exif version | 2.21 |
Date and time of digitizing | 22:07, 16 March 2022 |
APEX shutter speed | 5.9068905902692 |
APEX aperture | 6.6438561438561 |
APEX exposure bias | −0.66666666666667 |
Maximum land aperture | 3.614709851552 APEX (f/3.5) |
Metering mode | Pattern |
Flash | Flash fired, compulsory flash firing, red-eye reduction mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 16,460.905405405 |
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 |
IIM version | 32,767 |
Lens used | 6.2-18.6 mm |
Date metadata was last modified | 06:34, 8 April 2022 |
Unique ID of original document | D3A5FD6C306DE6CD118ACC98782C90EB |