File:Rippled sandstone (Upper Paleozoic; quarry near Crossville, Tennessee, USA) 2.jpg
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Summary[edit]
DescriptionRippled sandstone (Upper Paleozoic; quarry near Crossville, Tennessee, USA) 2.jpg |
English: Ripple marks are moderately common sedimentary structures in the rock record. They indicate the presence of a current at the time of sediment deposition. Asymmetrical ripples have a long side and a short side, as seen in cross-section. Symmetrical ripples are more or less evenly shaped in cross-section view. Asymmetrical ripples form in a one-direction current by wind or water. Symmetrical ripples for in a back-and-forth, two-direction current in very shallow water by wave action.
From Diemer et al. (2012) - Building Stone Walking Tour of Uptown Charlotte: The 1.5 acre urban pocket park known as the Green is located between the 400 block of South Tryon and South College Streets, immediately west of the Charlotte Convention Center. Designed by Wagner Murray Architects of Charlotte, it was completed in 2002 and sits directly on top of a 7-level underground parking structure. Sandstone capping retaining walls This fine-grained, plane-bedded sandstone, used throughout the Green as retaining wall caps, was quarried near Crossville, Tennessee. One of the capstones on the southern side of the plaza has ripple marks, others have parting lineation (the small ridges evidence on bedding planes where the stone has split). This stone was likely formed in a deltaic setting associated with an inland sea, as evidenced by its plant fossils. Provenance: "Tennessee Bluestone" from a quarry near Crossville, Cumberland County, east-central Tennessee, USA Locality: capstone atop retaining wall at "The Green", College Street & 2nd Street, downtown Charlotte, North Carolina, USA |
Date | |
Source | https://www.flickr.com/photos/47445767@N05/41189270395/ |
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@N05/41189270395. It was reviewed on 23 April 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
23 April 2022
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current | 17:56, 23 April 2022 | 3,810 × 2,781 (4.87 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/41189270395/ with UploadWizard |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot D10 |
Exposure time | 1/640 sec (0.0015625) |
F-number | f/4.5 |
ISO speed rating | 80 |
Date and time of data generation | 13:45, 3 November 2012 |
Lens focal length | 14.303 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 | 16:46, 13 May 2018 |
Y and C positioning | Co-sited |
Exif version | 2.21 |
Date and time of digitizing | 13:45, 3 November 2012 |
Meaning of each component |
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Image compression mode | 3 |
APEX shutter speed | 9.3125 |
APEX aperture | 4.34375 |
APEX exposure bias | 0 |
Maximum land aperture | 4.34375 APEX (f/4.51) |
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 | Auto 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 | 12:46, 13 May 2018 |
Unique ID of original document | F5502AA79BFE8BBF111A4AE41F6C4185 |