1. Dort Wakefield, Zeller Edward J., Martin Larry D., Moody Ula L. (1997). Merna Crater - a young impact feature in loess of central Nebraska. Oklahoma Geological Survey // Circ., No.100, P. 279-293
  2. Jarmo Moilanen (2003). List of probable and possible impact structures of the World.
  3. D. Rajmon (2009).


Google Earth.


( " "):

West Table () 1,5 , ~20 , 3-6 . , Fe Ti, , 1-5 , , 2860 . .
(Dort Wakefield, Zeller Edward J., Martin Larry D., Moody Ula L., 1997).




, , , , , , , 70% " ", 30% - , . .

- , - . , . - , . . , , - . 100%. , . FAQ .

Bourabai Research Institution home page

   - Bourabai Research Bourabai Research Institution