from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Plural form of ventifact.
Sorry, no etymologies found.
Many more links at the educational page Disappearing rocks: how erosion creates ventifacts.
Pictures and discussion re Martian ventifacts here from the Viking Lander and this PDF paper, Ventifacts on Mars (the latter with a nice comparison of a terrestrial wind-eroded lava with the Martian rocks 'Stimpy' and 'Souffle').
The Hoagland site Machinery found at Spirit landing site bizarrely interprets a set of unremarkable ventifacts (faceted, polished and pitted rocks typical of desert wind erosion) as "cased objects and machinery".
We swooped down through the rock configuration called the Labyrinth and beyond the dolerite extrusions to Bull Pass, a natural gallery of smooth ventifacts like the relics of a lost civilization.