File:Coral reef in dolostone (Lockport Dolomite, Middle Silurian; Rockford Stone Company Quarry, Rockford, Ohio, USA) (42215453641).jpg
![File:Coral reef in dolostone (Lockport Dolomite, Middle Silurian; Rockford Stone Company Quarry, Rockford, Ohio, USA) (42215453641).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/c/cc/Coral_reef_in_dolostone_%28Lockport_Dolomite%2C_Middle_Silurian%3B_Rockford_Stone_Company_Quarry%2C_Rockford%2C_Ohio%2C_USA%29_%2842215453641%29.jpg/800px-Coral_reef_in_dolostone_%28Lockport_Dolomite%2C_Middle_Silurian%3B_Rockford_Stone_Company_Quarry%2C_Rockford%2C_Ohio%2C_USA%29_%2842215453641%29.jpg?20191205033107)
Original file (3,978 × 2,585 pixels, file size: 4.33 MB, MIME type: image/jpeg)
Captions
Captions
Summary
[edit]DescriptionCoral reef in dolostone (Lockport Dolomite, Middle Silurian; Rockford Stone Company Quarry, Rockford, Ohio, USA) (42215453641).jpg |
Fossil corals in the Silurian of Ohio, USA. (photo on public display, Geology Department, Wittenberg University, Springfield, Ohio, USA) From exhibit signage: This photograph illustrates the Silurian Reef Complex as found at the Rockford Limestone Company Quarries in Rockford, Ohio. Above is shown a grouping of various corals and other organisms preserved in the dolomite matrix. Stratigraphy: Lockport Dolomite, Niagaran Series, Middle Silurian Locality: Rockford Stone Company Quarry (now abandoned & flooded), 1.5 miles northwest of the town of Rockford, northern Mercer County, northwestern Ohio, USA. (40° 42' 29.10" North latitude, 84° 40' 01.28" West longitude) |
Date | |
Source | Coral reef in dolostone (Lockport Dolomite, Middle Silurian; Rockford Stone Company Quarry, Rockford, Ohio, USA) |
Author | James St. John |
Licensing
[edit]![w:en:Creative Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/7/79/CC_some_rights_reserved.svg/90px-CC_some_rights_reserved.svg.png)
![attribution](https://upload.wikimedia.org/wikipedia/commons/thumb/1/11/Cc-by_new_white.svg/24px-Cc-by_new_white.svg.png)
- You are free:
- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
![]() |
This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/42215453641 (archive). It was reviewed on 5 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
5 December 2019
File history
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 03:31, 5 December 2019 | ![]() | 3,978 × 2,585 (4.33 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
You cannot overwrite this file.
File usage on Commons
There are no pages that use this file.
Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | Canon |
---|---|
Camera model | Canon PowerShot D10 |
Exposure time | 1/25 sec (0.04) |
F-number | f/3.5 |
ISO speed rating | 80 |
Date and time of data generation | 08:43, 24 March 2018 |
Lens focal length | 9.681 mm |
Image title | |
Width | 4,000 px |
Height | 3,000 px |
Bits per component |
|
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 | 06:18, 19 May 2018 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 08:43, 24 March 2018 |
Meaning of each component |
|
Image compression mode | 3 |
APEX shutter speed | 4.65625 |
APEX aperture | 3.625 |
APEX exposure bias | −0.66666666666667 |
Maximum land aperture | 3.625 APEX (f/3.51) |
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 | Portrait |
Lens used | 6.2-18.6 mm |
Date metadata was last modified | 02:18, 19 May 2018 |
Unique ID of original document | 341C9CF8FC3E0E618FD646615FB26E81 |