“…This provides a good match to observational data (Pittichová et al, 1997), but the required physical properties of dust are difficult to explain. Nishioka and Watanabe (1990), Nishioka (1998) and Nishioka (2021) instead suggest a continuous cascade of striae formation, which relaxes the constraints on dust properties, but has alleged problems explaining stria shapes (Sekenina and Pittichová, 1997). Other potential mechanisms include optically thick dust clouds (Froehlich and Notni, 1988;Notni and Thaenert, 1988), or the destruction of macroscopic sized (10-100 m) boulders by rotational stresses (Steckloff and Jacobson, 2016).…”