created by the tiny and delicate craterlets made by raindrop impacts on a fine-grained surface, seen here on mud-cracked clayey-silts in the dry bed of Castle Creek.
Largest craters are only 2 to 3 millimeters in diameter.
created by the tiny and delicate craterlets made by raindrop impacts on a fine-grained surface, seen here on mud-cracked clayey-silts in the dry bed of Castle Creek.
Largest craters are only 2 to 3 millimeters in diameter.