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Tag: Sediment

Rock cycle

The cycle of rocks as it was presented by James Hutton already 200 years ago.

The cycle of rocks as it was presented by James Hutton already 200 years ago. Rocks that are exposed to weathering and erosion, deposit as sediments, which are then covered by more sediments. This process leads to compaction and cementation, which forms sedimentary rocks. After being buried deeply, rock undergo metamorphosis or melting, or both. Later, rocks are uplifted to the surface, while being deformed or crystallised. After they become exposed to weathering, the rock cycle starts all over.

The typeface ‘Elle’ by Lucía Pérez Díaz is used.

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Arches National Park normal fault (Utah)

Normal fault within Permian-Triassic Sediment located at Paradox Basin (Moab Utah).

Normal fault within Permian-Triassic Sediment located at Paradox Basin (Moab Utah). More details at https://en.wikipedia.org/wiki/Moab_Fault. The Scientific colour map ‘batlow‘ is used to represent individual layers to all readers.

This figure was encouraged by iEarth 2022 seed funds.

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Atlantic ocean floor

Bathymetry and geophysical properties of the Atlantic Ocean, including bathymetry, total sediment thickness, age of the oceanic lithosphere, and residual bathymetry.

Bathymetry and geophysical properties of the Atlantic Ocean, including, on the top left, the bathymetry (GEBCO 2019; http://www.gebco.net), on the top right, the total sediment thickness (Straume et al. 2019), on the bottom left, the age of the oceanic lithosphere (Straume et al. 2019), and on the bottom right, the residual bathymetry (Straume et al. 2019). The data comparison reveals an anomalous basement depth with respect to predicted thermal subsidence of oceanic lithosphere from a half-space cooling model, which is computed using the bathymetry, sediment thickness and oceanic lithospheric age grids. Various Scientific colour maps are used to represent data accurately and to all readers.

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Sediment thickness

Total sediment thickness of the World’s oceans (GlobSed).

Total sediment thickness of the World’s oceans (GlobSed). The Scientific colour map ‘lapaz‘ is used to represent data accurately and to all readers.

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  • Perceptually uniform colour map
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  • Readable in black&white
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