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Fig. 10 | Earth, Planets and Space

Fig. 10

From: Vikrahraun—the 1961 basaltic lava flow eruption at Askja, Iceland: morphology, geochemistry, and planetary analogs

Fig. 10

Lava surface features observed from a ground perspective and at varying overhead resolutions in comparison to the Ovda Fluctis Flow, Venus. A Greyscale aerial photo (taken by Loftmyndir ehf) at 1 m/pixel, with the white star showing the location of ground image D. B Optical image of the same area as A taken with the green band (band-3) from the Sentinel 2A satellite at 10 m/pixel resolution (Granule ID: L1C_T15TXG_A021473_20190802T170004). C Example of festooned flow on the northwest portion of Ovda Fluctis Flow, Venus, taken from Magellan SAR Left Look Mosaic (~ 75 m/pixel) and centered at -5.586°N, 95.242°E, and was retrieved from USGS Astropedia lunar and planetary cartographic catalog (https://astrogeology.usgs.gov). D Ground photo image from the event 2 aʻa flow on transect F. This location has festoons that are less than 1.5 m tall over a width of 10 m, but they are not evident from a ground perspective due to the uneven surface of aʻa blocks and clinker

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