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Dinorwic
	The crater Dinorwic and its surroundings, in a screenshot in NASA World Wind.
Planet	Mars
Coordinates	30°02′S 258°32′E / 30.03°S 258.54°E
Quadrangle	Thaumasia
Diameter	51.33 km
Depth	1.6 km
Eponym	Dinorwic, Ontario

Dinorwic is a Martian impact crater, approximately 51 kilometers in diameter. It is named after the town in Ontario, Canada. Its name was approved by the International Astronomical Union in 1991.^[1]^[2] According to a surface age map of Mars based on US Geological Survey data, the area around Dinorwic is from the Noachian epoch, which places the area's age at 3.8 to 3.5 billion years ago.^[3] At the crater's rim, it is about 7,600 meters above zero altitude, and it is about 5,950 meters above zero altitude at its floor, giving it a depth of 1.6 kilometers.^[2]

It is located northeast of the crater Virrat and north of the crater Tugaske. To the northeast of Dinorwic is the crater Caxias, and farther north is the crater Llanesco.

References

^ "Dinorwic". USGS Gazetteer of Planetary Nomenclature. Retrieved June 25, 2023.
^ ^a ^b NASA World Wind 1.4. NASA Ames Research Center, 2007.
^ "INTEGRATING GLOBAL-SCALE MISSION DATASETS – UNDERSTANDING THE MARTIAN CRUST" (PDF). lpi.usra.edu. Retrieved October 22, 2007.