Write down the geological history of Mars. Please describe different Eras along with the processes which...
Write down the geological history of Mars. Please describe different Eras along with the processes which dominated during these Eras.
Homework Answers
Answer:
The geological history of Mars is written in tabular form below:
| Name of the Period | Named After | Time Span | Major Geological Activities |
| Pre-Noachian | Period before Noachian | 4.5 - 4.1 Gya | This period commenced with the differentiation of the planet. Most of the records from this period had been eroded away. Crustal dichotomy is believed to occur during this time. |
| Noachian | Noachis Terra | 4.1 - 3.7 Gya | Oldest extant surfaces formed during this period. These Noachis Terra-surfaces are filled with impact craters formed by meteorites. The iconic volcanic plateau near the equator, Tharsis Bulge is though had been formed. Extensive water erosion took place generating river valleys. |
| Hesperian | Hesperia Planum | 3.7 - 3.0 Gya | Extensive lava plains had been formed. A large shield volcano, Olympus Mons had been formed during Hesperian period. Violet water releases formed outflow channels around Chryse Planitia. |
| Amazonian | Amaonis Planitia | 3.0 Gya - Present | Meteorite impact became very less. Other activities include lava flows, glacial periods, releases of liquid water. |
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