 The crater Dinorwic and its surroundings, in a screenshot inNASA World Wind. | |
| Planet | Mars |
|---|---|
| Coordinates | 30°02′S258°32′E / 30.03°S 258.54°E /-30.03; 258.54 |
| Quadrangle | Thaumasia |
| Diameter | 51.33 km |
| Depth | 1.6 km |
| Eponym | Dinorwic, Ontario |
Dinorwic is aMartianimpact crater, approximately 51 kilometers in diameter. It is named after thetown inOntario,Canada. Its name was approved by theInternational Astronomical Union in 1991.[1][2] According to a surface age map of Mars based onUS Geological Survey data, the area around Dinorwic is from theNoachian 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 craterVirrat and north of the craterTugaske. To the northeast of Dinorwic is the craterCaxias, and farther north is the craterLlanesco.
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