Description: Abstract: "All published data on the hafnium content and hafnium/zirconium ratio in minerals and rocks have been compiled." Information regarding hafnium and zirconium content and the ratio Hf/Zr in the earth's crust and in rocks as well as of minerals is included.
Date: March 1954
Creator: Fleischer, Michael
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department