The Jack Hills are a range of hills in Mid West Western Australia. They are best known as the source of the oldest material of terrestrial origin found to date: zircons that formed around 4.4 billion years ago. These zircons have enabled ground-breaking research into the conditions on earth in the Hadean eon.
Read more about Jack Hills: Geography, Geology, Conservation
Famous quotes containing the words jack and/or hills:
“This is the dog
That worried the cat”
—Mother Goose (fl. 17th–18th century. The House That Jack Built (l. 11–12)
“By night and by day I shall seek your truth,
O Lord, light my path, show the way.
What is beyond the hills that I climb,
Lord, clear the mist away.”
—Faye T. Bresler (b. 1959)