File:Resistant Lava and Erosion (33973484528).jpg
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DescriptionResistant Lava and Erosion (33973484528).jpg |
This image demonstrates the curious phenomenon called “topographic inversion.” The southern half of the picture is covered by a well-preserved lava flow. The flow stops just at the brink of descending a steep slope. Lava isn’t afraid of falling, so what happened here? It is likely that the terrain to the north was once higher, and stopped the lava from flowing any further. Once the lava cooled, it protected the ground beneath it, while the softer rocks to the north continued to erode, “inverting” the topography so that what was once low-lying ground is now the top of a mesa. NASA/JPL/University of Arizona www.uahirise.org/ESP_058635_1940 |
Date | |
Source | Resistant Lava and Erosion |
Author | UAHiRISE (NASA) |
Licensing edit
Public domainPublic domainfalsefalse |
This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:03, 16 May 2019 | 2,560 × 1,920 (4.51 MB) | Meisam (talk | contribs) | Transferred from Flickr via #flickr2commons |
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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.
Orientation | Normal |
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Horizontal resolution | 144 dpi |
Vertical resolution | 144 dpi |
Software used | Adobe Photoshop CC 2019 (Macintosh) |
File change date and time | 11:10, 7 May 2019 |
Color space | sRGB |
Date and time of digitizing | 04:08, 21 November 2018 |
Date metadata was last modified | 04:10, 7 May 2019 |
Unique ID of original document | xmp.did:e6ae8470-c890-4f7a-8d3b-92b0dda0ba7e |