File:Stylolite in limestone (Ste. Genevieve Limestone, Middle Mississippian; Onyx Cave, Cave City, Kentucky, USA) 1 (8314209747).jpg
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Summary
[edit]DescriptionStylolite in limestone (Ste. Genevieve Limestone, Middle Mississippian; Onyx Cave, Cave City, Kentucky, USA) 1 (8314209747).jpg |
Onyx Cave is a small, wet cave located at the southwestern end of Huckleberry Knob just west of the town of Cave City, Barren County, Kentucky, USA. The cave consists of a vertical shaft/domepit complex with speleothem-covered walls. The walls are Ste. Genevieve Limestone (upper Middle Mississippian). Abundant, iron oxide-stained, travertine speleothem is present, including cave popcorn/coralloids/knobstone, flowstone, and dripstone. The structure shown above is a stylolite, a pressure dissolution feature that frequently has the appearance of a hospital EKG reading. These occur in many limestones, dolostones, and marbles, especially in or near orogenic belts. |
Date | |
Source | Stylolite in limestone (Ste. Genevieve Limestone, Middle Mississippian; Onyx Cave, Cave City, Kentucky, USA) 1 |
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@N05/8314209747 (archive). It was reviewed on 7 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
7 December 2019
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:56, 7 December 2019 | 4,000 × 3,000 (3.22 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Camera manufacturer | Canon |
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Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/4 |
ISO speed rating | 160 |
Date and time of data generation | 15:33, 1 August 2010 |
Lens focal length | 11.614 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
File change date and time | 15:33, 1 August 2010 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 15:33, 1 August 2010 |
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APEX shutter speed | 5.90625 |
APEX aperture | 4 |
APEX exposure bias | 0 |
Maximum land aperture | 4 APEX (f/4) |
Metering mode | Pattern |
Flash | Flash fired, compulsory flash firing, red-eye reduction mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 16,460.905349794 |
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Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
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Scene capture type | Standard |