What is the significance of the Noachian era on Mars? The Noachian era’s importance in the formation of Mars is characterized by a series of asteroid and comet bombardments that shaped the ...

Among these findings, phyllosilicates within the Noachian crust—formed more than 3.8 billion years ago—indicate long-term interactions between water and Martian rocks. Hydrothermal systems may ...

Phyllosilicates found in the Noachian crust, which formed over 3.8 billion years ago, confirm prolonged interactions between surface water and rocks. These systems may have played a role in ...

Collected from Blue Hill, this 2.9cm rock core is the first Noachian-aged outcrop sample. NASA describes it as a “one-of-a-kind treasure” for studying Mars’ ancient geological history.