File:Fly in amber (Amber Formation, Middle Eocene; Yantarnyi, Samland Peninsula along the Baltic Sea, far-western Russia) 2 (15112140997).jpg
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[edit]DescriptionFly in amber (Amber Formation, Middle Eocene; Yantarnyi, Samland Peninsula along the Baltic Sea, far-western Russia) 2 (15112140997).jpg |
Fossil fly in Baltic amber (just under 5 mm from top to bottom) from the Eocene of Yantarnyi, western Russia. Fossils in amber are some of the most intriguing remains of ancient organisms anywhere in the rock record. Amber is fossilized tree sap (resin). Fossilized tree resin is technically called resinite. This piece of amber comes from the Baltics. Baltic amber is some of the most famous on Earth. Amber specimens from different localities are often given different varietal names. Baltic amber is a type of resinite often called succinite. Some amber specimens have body fossil inclusions, and others don't. The amber itself is a biogenic product, not a body fossil. The Baltic amber shown here has a nice fossil inclusion. This insect is a fly (Animalia, Arthropoda, Insecta, Diptera, Brachycera). Note that this fossil fly is covered in a whitish milky material. That is a decay coating. This is commonly encountered in Baltic amber, and is one diagnostic method of identifying genuine succinite (there’s lots of fake amber fossils out there). This amber specimen also has lots of minute, stellate trichomes (= fuzzy, spiny object on left side of photo) that are also unfakeable (I think). They are “down” - epidermal hairs on flowers & leaf buds from ancient oak trees. These are abundantly preserved in genuine Baltic amber. Stratigraphy: “Blue Earth layer”, “Amber Formation”, Lutetian Stage, lower Middle Eocene. Locality: Yantarnyi, coastal western Samland Peninsula, western Kaliningrad District, Baltic Sea, far-western Russia. |
Date | |
Source | Fly in amber (Amber Formation, Middle Eocene; Yantarnyi, Samland Peninsula along the Baltic Sea, far-western Russia) 2 |
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@N05/15112140997 (archive). It was reviewed on 2 December 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
2 December 2018
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot D10 |
Exposure time | 1/50 sec (0.02) |
F-number | f/2.8 |
ISO speed rating | 320 |
Date and time of data generation | 13:33, 11 April 2012 |
Lens focal length | 6.2 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 12:09, 20 September 2014 |
Exif version | 2.21 |
Date and time of digitizing | 13:33, 11 April 2012 |
Image compression mode | 3 |
APEX shutter speed | 5.65625 |
APEX aperture | 2.96875 |
APEX exposure bias | −1 |
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 | 16,460.90625 |
Focal plane Y resolution | 16,483.516129032 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Scene capture type | Standard |
Supported Flashpix version | 1 |
Image width | 1,128 px |
Image height | 1,404 px |
Date metadata was last modified | 08:09, 20 September 2014 |