Possible Martian Volcano Discovered near Jezero Crater
Recent research suggests that Jezero Mons, a mountain located on the rim of Mars' Jezero Crater, may actually be a volcano. This intriguing discovery could significantly alter our understanding of the Red Planet's geological history and the potential for past life.
The study, utilizing data from multiple Mars orbiters and the Perseverance rover, revealed striking similarities between Jezero Mons and known explosive volcanoes on both Mars and Earth. Researchers noted its size and shape are comparable to other Martian volcanoes and the lack of impact craters on its surface, along with poor heat retention—characteristics suggestive of a volcanic ash covering. Further evidence comes from the observation that parts of the mountain's northwestern flank resemble solidified lava flows, possibly explaining the igneous rock found by Perseverance on the crater floor.
Implications for Martian History and the Search for Life
The presence of a volcano near Jezero Crater, a known ancient lake bed, could have significant implications. Hydrothermal activity, a potential energy source for life, may have been generated by the volcano, raising the possibility of past microbial life in the area. This makes the analysis of samples collected by the Perseverance rover even more critical.
The team eagerly awaits the return of these samples to Earth. Radioisotope dating will allow for precise age determination of the igneous rocks, which in turn will improve estimates for the age of Jezero Crater and refine our understanding of Mars' geological timeline. While a Mars Sample Return mission is still under review, the potential scientific breakthroughs from analyzing these samples are immense.
Source: Gizmodo