Oldest Rocks Ever Discovered

15 JAN 2024

Credit: Google Images

Age: 3.7 – 3.8 billion years Location: Greenland Rock Type(s): tonalite, mafic rocks, metasedimentary rocks, banded iron formations, granite, and granodiorite

Credit: Google Images

Isua Greenstone Belt

Age: 3.58 – 4.031 billion years Location: Northwest Territories, Canada Rock Type(s): tonalite gneiss, mostly composed of quartz and feldspar

Credit: Google Images

Acasta Gneiss

Age: 4.091 billion years Location: from Mars found in Alan Hills, Antarctica Rock Type(s): composed of orthopyroxene, chromite, maskelynite, and iron-rich carbonate

Credit: Google Images

Alan Hills 84001

Age: 4.1 ± 0.1 billion years Location: from the Moon Rock Type(s): Anorthosite

Credit: Google Images

Genesis Rock

Age: 4.28 billion years Location: Hudson Bay, Quebec, Canada Rock Type(s): “faux amphibolite”

Credit: Google Images

Nuvvuagittuq Greenstone Belt

Age: 4.375 billion years ± 6 million years Location: Jack Hills, Australia Rock Type(s): zircon

Credit: Google Images

Jack Hills Zircon

Age: 4.46 billion years Location: from the Moon Rock Type(s): Anorthosite

Credit: Google Images

Lunar Sample 67215