File:Chromian jade (Hpakan-Tawmaw Jade Tract, Late Jurassic, 147 Ma; Tawmaw, Myitkyina-Mogaung District, western Kachin State, Indo-Burma Range, northern Burma) 2 (15227713026).jpg
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Summary[edit]
DescriptionChromian jade (Hpakan-Tawmaw Jade Tract, Late Jurassic, 147 Ma; Tawmaw, Myitkyina-Mogaung District, western Kachin State, Indo-Burma Range, northern Burma) 2 (15227713026).jpg |
Chromian jade from the Jurassic of Burma. (4.5 cm across along it base) This gorgeous green rock is chromian jade (maw sit sit), a complex metamorphic rock dominated by chromian jadeite pyroxene (Na(Al,Fe,Cr)(SiO3)2 - sodium aluminum iron chromium silicate). This is a high-pressure, low-temperature metamorphite formed at the rim of serpentinized chromiferous mantle peridotite. Geologic unit & age: northeastern Hpakan-Tawmaw Jade Tract, Hpakan Ultramafic Body, Naga-Andaman Ophiolite (= metamorphosed Mesozoic oceanic lithosphere), 147 Ma metamorphic age (late Tithonian, near-latest Jurassic) Locality: attributed to Tawmaw, Myitkyina-Mogaung District, western Kachin State, Indo-Burma Range, northern Burma |
Date | |
Source | Chromian jade (Hpakan-Tawmaw Jade Tract, Late Jurassic, 147 Ma; Tawmaw, Myitkyina-Mogaung District, western Kachin State, Indo-Burma Range, northern Burma) 2 |
Author | James St. John |
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This image was originally posted to Flickr by jsj1771 at https://www.flickr.com/photos/47445767@N05/15227713026. It was reviewed on 6 May 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
6 May 2015
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 19:31, 6 May 2015 | 2,738 × 1,861 (3.09 MB) | Natuur12 (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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Orientation | Normal |
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Horizontal resolution | 1,200 dpi |
Vertical resolution | 1,200 dpi |
Software used | Adobe Photoshop CS2 Macintosh |
File change date and time | 15:39, 15 September 2014 |
Color space | Uncalibrated |
Image width | 2,738 px |
Image height | 1,861 px |
Date and time of digitizing | 11:34, 15 September 2014 |
Date metadata was last modified | 11:39, 15 September 2014 |