Arsia Chasmata

Arsia Chasmata is a steep-sided depression located northeast of Arsia Mons in the Phoenicis Lacus quadrangle on Mars, located at 7.6° S and 119.3° W. It is 97 km long and was named after an albedo name.

In planetary geology, a chasma (plural: chasmata) is a deep, elongated, steep-sided depression.