File:Opalite (Utah, USA) 2.jpg
Original file (2,035 × 898 pixels, file size: 1.36 MB, MIME type: image/jpeg)
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Summary
[edit]DescriptionOpalite (Utah, USA) 2.jpg |
English: Opalite from Utah, USA.
Opalite is an opal-dominated rock (opal = amorphous hydrous silica = SiO2·nH2O). “Opal” is a mineral/mineraloid name. “Opalite” is a rock name. Opalites form principally by alteration of volcanic rock or alteration of siliceous sinter (a type of hot spring deposit). They are often described as “impure” opal rocks. They lack the famous “fire” & rainbow colors of gem-grade opal. The Utah opalite shown here is probably a sample from a paleo-hot spring deposit. This material has been nicknamed "bacon opal" or "candy opal" or "candy stripe opal". The color banding is the result of differing amounts of impurities in individual opalite layers. The coloring agents are most likely iron oxides. Locality: unrecorded/undisclosed site (possibly the Thomas Range), Utah, USA |
Date | |
Source | https://www.flickr.com/photos/47445767@N05/29795516072/ |
Author | James St. John |
Licensing
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/29795516072. It was reviewed on 21 May 2022 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
21 May 2022
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 00:50, 21 May 2022 | 2,035 × 898 (1.36 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/29795516072/ with UploadWizard |
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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 | NIKON CORPORATION |
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Camera model | NIKON D70s |
Exposure time | 1/60 sec (0.016666666666667) |
F-number | f/5.6 |
ISO speed rating | 200 |
Date and time of data generation | 12:46, 31 March 2007 |
Lens focal length | 200 mm |
Width | 3,008 px |
Height | 2,000 px |
Bits per component |
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Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Adobe Photoshop Elements 13.0 (Macintosh) |
File change date and time | 00:22, 25 September 2016 |
Y and C positioning | Co-sited |
Exposure Program | Not defined |
Exif version | 2.21 |
Date and time of digitizing | 12:46, 31 March 2007 |
Meaning of each component |
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Image compression mode | 4 |
APEX shutter speed | 5.906891 |
APEX aperture | 4.970854 |
APEX exposure bias | 0 |
Maximum land aperture | 5 APEX (f/5.66) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash fired, strobe return light detected, auto mode |
DateTime subseconds | 80 |
DateTimeOriginal subseconds | 80 |
DateTimeDigitized subseconds | 80 |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 300 mm |
Scene capture type | Standard |
Scene control | None |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
Serial number of camera | 1004a0cc |
Lens used | 18.0-200.0 mm f/3.5-5.6 |
Date metadata was last modified | 18:22, 24 September 2016 |
Unique ID of original document | FBE0C9BAD5F86710193A82D7A2C72187 |