It can be thus untimely to claim that any of these rocks, or certainly that of other formations of Hadean gneisses, is definitely the oldest formations or rocks on this planet; doubtless, new analyses will continue to vary conceptions on the framework and character of those historical continental fragments. https://moonrocksaustralia36745.pennywiki.com/4063683/the_2_minute_rule_for_moon_rocks_australia