File:Fossiliferous limestone (Raney Creek Member, Slade Formation, Upper Mississippian; Bighill Mountain roadcut, south of Bighill, Kentucky, USA) (31870570908).jpg
![File:Fossiliferous limestone (Raney Creek Member, Slade Formation, Upper Mississippian; Bighill Mountain roadcut, south of Bighill, Kentucky, USA) (31870570908).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/1/18/Fossiliferous_limestone_%28Raney_Creek_Member%2C_Slade_Formation%2C_Upper_Mississippian%3B_Bighill_Mountain_roadcut%2C_south_of_Bighill%2C_Kentucky%2C_USA%29_%2831870570908%29.jpg/800px-Fossiliferous_limestone_%28Raney_Creek_Member%2C_Slade_Formation%2C_Upper_Mississippian%3B_Bighill_Mountain_roadcut%2C_south_of_Bighill%2C_Kentucky%2C_USA%29_%2831870570908%29.jpg?20181106040955)
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editDescriptionFossiliferous limestone (Raney Creek Member, Slade Formation, Upper Mississippian; Bighill Mountain roadcut, south of Bighill, Kentucky, USA) (31870570908).jpg |
Fossiliferous limestone in the Mississippian of Kentucky, USA. Limestone is a calcareous, biogenic sedimentary rock. It is principally composed of calcium carbonate (CaCO3) in the form of calcite (many geologically young limestones are aragonitic). Numerous specific varieties of limestone exist. The type seen here is a fossiliferous limestone, composed of whole + fragmented fossil shells and skeletons, mixed with fine-grained sediments (e.g., calcareous mud). Recognizable fossils here include brachiopods and crinoids. Stratigraphy: Raney Creek Member, Slade Formation, Chesterian Series, Upper Mississippian Locality: Bighill Mountain Outcrop - Route 421 roadcut through Bighill Mountain, ~county line between Rockcastle County and Madison County, south of the town of Bighill, east-central Kentucky, USA (vicinity of 37° 31’ 24.89” North latitude, 84° 12’ 28.15” West longitude) |
Date | |
Source | Fossiliferous limestone (Raney Creek Member, Slade Formation, Upper Mississippian; Bighill Mountain roadcut, south of Bighill, Kentucky, USA) |
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@N05/31870570908 (archive). It was reviewed on 6 November 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
6 November 2018
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current | 04:09, 6 November 2018 | ![]() | 4,000 × 3,000 (4.25 MB) | Lu Brito (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 | 1/250 sec (0.004) |
F-number | f/9 |
ISO speed rating | 80 |
Date and time of data generation | 12:58, 12 March 2018 |
Lens focal length | 7.23 mm |
Image title | |
Width | 4,000 px |
Height | 3,000 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 | 09:55, 24 May 2018 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 12:58, 12 March 2018 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 7.96875 |
APEX aperture | 6.34375 |
APEX exposure bias | −0.66666666666667 |
Maximum land aperture | 3.34375 APEX (f/3.19) |
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 | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Portrait |
Lens used | 6.2-18.6 mm |
Date metadata was last modified | 05:55, 24 May 2018 |
Unique ID of original document | 0F3DF8CA6BDC7C104F94D73B4E9990C3 |
IIM version | 29,735 |