File:Tantalus Fossae (PIA26035).jpg
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Today's VIS image shows a portion of Tantalus Fossae. The linear features are tectonic graben. Graben are formed by extension of the crust and faulting.
Summary
editDescriptionTantalus Fossae (PIA26035).jpg |
English: Today's VIS image shows a portion of Tantalus Fossae. The linear features are tectonic graben. Graben are formed by extension of the crust and faulting. When large amounts of pressure or tension are applied to rocks on timescales that are fast enough that the rock cannot respond by deforming, the rock breaks along faults. In the case of a graben, two parallel faults are formed by extension of the crust and the rock in between the faults drops downward into the space created by the extension. Numerous sets of graben are visible in this THEMIS image, trending from north-northeast to south-southwest. Because the faults defining the graben are formed perpendicular to the direction of the applied stress, we know that extensional forces were pulling the crust apart in the west-northwest/east-southeast direction. The large number of graben around Alba Mons is generally believed to be the result of extensional forces associated with the uplift of the volcano. Tantalus Fossae is 2361 km (1467 miles) long. Orbit Number: 94553 Latitude: 41.4418 Longitude: 256.44 Instrument: VIS Captured: 2023-04-08 19:22 https://photojournal.jpl.nasa.gov/catalog/PIA26035 |
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Date | Taken on 28 July 2023 | ||
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Author | NASA Jet Propulsion Laboratory / NASA/JPL-Caltech/ASU |
Licensing
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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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current | 01:29, 5 December 2023 | ![]() | 704 × 1,443 (81 KB) | OptimusPrimeBot (talk | contribs) | #Spacemedia - Upload of http://images-assets.nasa.gov/image/PIA26035/PIA26035~orig.jpg via Commons:Spacemedia |
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