File:Interbedded shale and limestone (upper Cave Branch Member, Slade Formation, Upper Mississippian; Clack Mountain Road Outcrop, south of Morehead, Kentucky, USA) 1 (32504591638).jpg
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[edit]DescriptionInterbedded shale and limestone (upper Cave Branch Member, Slade Formation, Upper Mississippian; Clack Mountain Road Outcrop, south of Morehead, Kentucky, USA) 1 (32504591638).jpg |
Interbedded shale and limestone in the Mississippian of Kentucky, USA. This outcrop in Kentucky is in the Upper Mississippian Slade Formation. The unit was formerly known as the Newman Limestone ("They always change the names to protect the innocent!"). Slade Formation limestones are shallow ocean deposits. Seen here is the upper Cave Branch Member - it's a gray shale-rich interval with interbedded thin, fine-grained limestones deposited in an ancient intertidal environment. From Ettensohn & Lierman (1992): [The] overlying parts of the Cave Branch Member here include dark-gray shales and interbedded calcilutites, which contain laminae, flaser-beds, mudcracks, runzelmarken, as well as vertical and horizontal burrows. This part of the Cave Branch represents a transgressive tidal mud-flat deposit on the leading edge of an early to middle Chesterian transgressing sea represented by the upper Cave Branch-through-Maddox Branch members of the Slade, all of which are exposed here. The dark-gray shales in tidal parts of the Cave Branch probably represent reworked soils from the underlying [paleosol] deposit. Stratigraphy: upper Cave Branch Member, Slade Formation, Upper Mississippian Locality: roadcut next to the Clack Mountain Road-Route 519 intersection, south of Morehead, Kentucky, USA (vicinity of 38° 07’ 41.87” North latitude, 83° 24’ 47.04” West longitude) |
Date | |
Source | Interbedded shale and limestone (upper Cave Branch Member, Slade Formation, Upper Mississippian; Clack Mountain Road Outcrop, south of Morehead, 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@N05/32504591638 (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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current | 18:33, 7 December 2019 | 3,000 × 4,000 (6.39 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 | 1/200 sec (0.005) |
F-number | f/8 |
ISO speed rating | 80 |
Date and time of data generation | 13:32, 11 March 2018 |
Lens focal length | 6.2 mm |
Image title | |
Width | 3,000 px |
Height | 4,000 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop Elements 13.0 (Macintosh) |
File change date and time | 23:10, 18 December 2018 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 13:32, 11 March 2018 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 7.65625 |
APEX aperture | 6 |
APEX exposure bias | −0.66666666666667 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression |
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 | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Landscape |
Lens used | 6.2-18.6 mm |
Date metadata was last modified | 18:10, 18 December 2018 |
Unique ID of original document | E9A3496CE7A77EF0EEB025FCBE4AFA02 |
IIM version | 24,576 |