File:Halite in storm wave splash pool (Green Cay, offshore San Salvador Island, Bahamas) 2 (15844223380).jpg
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Summary
[edit]DescriptionHalite in storm wave splash pool (Green Cay, offshore San Salvador Island, Bahamas) 2 (15844223380).jpg |
Halite in storm wave splash pool. This partially salt-filled depression in developed on a near-earliest Holocene, ~9200 year-old calcrete (a.k.a. terra rosa paleosol). Calcretes are modern or ancient calcium-carbonate rich soil horizons that are rock hard. The term "terra rosa" refers to the rusty reddish coloration of iron oxides (hematite & limonite), which is typical of fossil soil horizons in the Bahamas rock record. Near-shore depressions such as this occasionally receive and accumulate ocean water from sea spray and crashing waves, especially during storms. Post-storm evaporation results in the water becoming a brine (= very high salinity water), followed by the precipitation of halite crystals (NaCl - sodium chloride) to form a slush (crystals + briny water). Further evaporation results in the formation of a halite crust or halite fill (no water left). Locality: near the rocky shoreline of Green Cay, western Graham's Harbour, offshore northwestern San Salvador Island, eastern Bahamas |
Date | |
Source | Halite in storm wave splash pool (Green Cay, offshore San Salvador Island, Bahamas) 2 |
Author | James St. John |
Licensing
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/15844223380 (archive). It was reviewed on 13 October 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
13 October 2019
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:24, 13 October 2019 | 4,000 × 3,000 (3.03 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot D10 |
Exposure time | 1/160 sec (0.00625) |
F-number | f/4 |
ISO speed rating | 80 |
Date and time of data generation | 14:21, 19 June 2010 |
Lens focal length | 11.614 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 18:19, 15 December 2014 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 14:21, 19 June 2010 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 7.3125 |
APEX aperture | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 4 APEX (f/4) |
Metering mode | Pattern |
Flash | Flash did not fire, auto mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 16,460.905349794 |
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 | Manual white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |
Supported Flashpix version | 1 |
Image width | 4,000 px |
Image height | 3,000 px |
Date metadata was last modified | 13:19, 15 December 2014 |
IIM version | 2 |