Sentences with phrase «measurements of zircon»
Precise measurements of zircon's dismal durability may point the way to better radiation - proof containers
https://www.scientificamerican.com/ Not exact matches
«Our measurements, however, support some previous geochemical measurements on ancient zircons that suggest an age of 4.4 billion years.»
Measurements on some 50 grains of zircon from the gneiss rocks found in Canada showed them to be 3.962 billion years old, with a margin of error of only three million years.