File:Fountain Paint Pots (14 August 2010) 43.jpg
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[edit]DescriptionFountain Paint Pots (14 August 2010) 43.jpg |
English: Fountain Paintpots is located in the Fountain Group of Yellowstone's Lower Geyser Basin. Paintpots, or mudpots, are hot pools of thin to thick muddy material consisting of clay-sized grains of clay minerals mixed with varying amounts of water. Rising gases result in bursting bubbles of mud at the surface. The clay forms by chemical weathering of rhyolite lava, a common lithology in the Yellowstone Hotspot area. When rising hydrogen sulfide gas (H2S), exsolved from subsurface magma, reaches the top of the water table, oxidation occurs and sulfuric acid forms (H2SO4). The sulfuric acid reacts with the rhyolite, forming various clay minerals. Mudpots in Yellowstone tend to have thin mud in boreal spring and early summer and boiling-type bubbles appear at the surface. In boreal late summer and autumn, the mud is thick, which alters the bubble surfacing and bubble bursting behavior of rising gases. Fountain Paintpots has various delicate shades of pinks, grays, yellows, and orangish-browns. The non-gray colors are from a variety of disseminated iron oxide species.
For a video of Fountain Paintpots, see: www.youtube.com/watch?v=U0LAnamO2eg |
Date | |
Source | https://www.flickr.com/photos/47445767@N05/12225537683/ |
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@N05/12225537683. It was reviewed on 13 December 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
13 December 2022
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 18:51, 13 December 2022 | 2,000 × 3,008 (2.17 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/12225537683/ with UploadWizard |
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Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D70s |
Exposure time | 1/800 sec (0.00125) |
F-number | f/8 |
ISO speed rating | 400 |
Date and time of data generation | 14:51, 13 August 2010 |
Lens focal length | 26 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | QuickTime 6.5.1 |
File change date and time | 23:11, 13 December 2010 |
Exposure Program | Not defined |
Exif version | 2.2 |
Date and time of digitizing | 14:51, 13 August 2010 |
Image compression mode | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 4 APEX (f/4) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire |
DateTime subseconds | 90 |
DateTimeOriginal subseconds | 90 |
DateTimeDigitized subseconds | 90 |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 39 mm |
Scene capture type | Standard |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
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13 August 2010
0.00125 second
26 millimetre
400
image/jpeg
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