and Rottenberg, J. A. The search for fossil meteorite craters: Current Sci. [India], (pt. 1), v. 29... 7, p. 249-262, 1960. The search for fossil meteorite craters to date has established the probable existence...features in Canada may prove to be the result of meteorite impact, and recent evidence suggests an impact...Although iron and nickel in two metal phases (kamacite and taenite) make up more than 98 percent of the... based only on the compositions of coexisting kamacite and taenite, can be developed. It is possible |