File:Mamenchisaurus hochuanensis Field Museum.jpg
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Summary
DescriptionMamenchisaurus hochuanensis Field Museum.jpg |
Mamenchisaurus hochuanensis Young & Zhao, 1972 sauropod dinosaur from the Jurassic of China (public display, Field Museum of Natural History, Chicago, Illinois, USA) (cast based on on CCG V 20401, Chengdu College of Geology (Chengdu Institute of Geology/Chengdu University of Technology), Chengdu, Sichuan, China). This sauropod dinosaur had a 22 meter long body (~72 feet) and a hyperelongated neck (>9 meters long - about 31 feet) Stratigraphy: concretionary siliciclastic mudstones and sandstones of the Shangshaximiao Formation (Upper Shaximiao Formation), Zhongqing Group, Upper Jurassic Locality: slopes of Gushushan, just northwest of the town of Taihezhen & northwest of the town of Hechuan, southwestern Chongqing Municipality, south-central China Sauropod dinosaurs were the largest terrestrial animals ever. They all have the same basic body plan: large body with four walking legs, very long neck & tail, and a small head relative to body size. Sauropods were herbivores, and are often perceived as holding their heads & necks up high to reach vegetation normally out of reach to other organisms. Modern reconstructions of many sauropod species depict them with heads and necks held close to the horizontal, or at low angles above the horizontal. |
Date | |
Source | Mamenchisaurus hochuanensis sauropod dinosaur (Shangshaximiao Formation, Upper Jurassic; Gushushan, NW of Hechuan, southwestern Chongqing Municipality, south-central China) 1 |
Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://www.flickr.com/photos/jsjgeology/15404507021/. It was reviewed on 6 October 2014 by Leoboudv and was confirmed to be licensed under the terms of the . |
6 October 2014
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Date/Time | Dimensions | User | Comment | |
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current | 11:33, 1 October 2014 | 1,918 × 551 (978 KB) | Cropbot | upload cropped version, operated by User:FunkMonk. Summary: cropped |
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Exposure time | 1/18 sec (0.055555555555556) |
F Number | f/2.8 |
ISO speed rating | 200 |
Date and time of data generation | 14:57, 11 November 2005 |
Lens focal length | 10.6 mm |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 23:35, 30 September 2014 |
Y and C positioning | Co-sited |
Exposure Program | Normal program |
Exif version | 2.2 |
Date and time of digitizing | 14:57, 11 November 2005 |
Meaning of each component |
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Image compression mode | 1.5 |
APEX shutter speed | 4.2 |
APEX aperture | 3 |
APEX brightness | 1.2 |
APEX exposure bias | 0 |
Maximum land aperture | 3 APEX (f/2.83) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
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Focal plane X resolution | 2,678 |
Focal plane Y resolution | 2,674 |
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Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Scene capture type | Standard |
Sharpness | Normal |
Subject distance range | Distant view |
Supported Flashpix version | 0,100 |
Image width | 1,929 px |
Image height | 595 px |
Date metadata was last modified | 19:35, 30 September 2014 |
IIM version | 2 |