Across
- 3. huge impact crater surrounded by circular mountain chains.
- 4. channel in lunar maria formed as an open lava channel or a collapsed lava tube.
- 6. material thrown out from and deposited around an impact crater.
- 8. long, narrow, wrinkly, hilly section in maria.
- 11. steep walls of an impact crater with stair steps created by slumping due to gravity and landslides.
- 12. low, circular, rounded hill suspected to be a volcanic landform.
- 13. dark areas covered by lavas of the volcanic rock type called basalt.
Down
- 1. low, broad, dark, cone-shaped hill formed by explosive volcanic eruption.
- 2. mountain in the center of large impact craters.
- 5. a break out of magma from underground onto the surface.
- 7. bright extensively cratered areas of igneous rocks rich in the mineral plagioclase and breccias
- 9. roughly circular hole created when something struck the surface.
- 10. bright streak of material blasted out from an impact crater.
