2.A bolder assume is, the meteoritecrater group in Shenzhen city, China is the same serial meteorite group with the biggest known meteorite group in Egypt.
3.If so the single crater area will possibly exceed the 5000 square kilometers one, the currently publicly recognized meteoritecrater group in South Africa.
5.Studying the spreading circumstance of meteoritecrater group, will be very economically valuable to the research of spreading rule and reasonable development of rare mineral water, special mineral.