Xanthe Terra is a large area on Mars, centered just north of the Martian equator.Its coordinates are Coordinates and its diameter is 1867.65 km. Its name means "golden-yellow It is in the Lunae Palus quadrangle, the Coprates quadrangle, the Margaritifer Sinus quadrangle, and the Oxia Palus quadrangle.. Ravi Vallis, Aromatum Chaos, Ophir, Ganges Chasma, Nanedi Valles, Shalbatana Vallis, Orson ...