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 house that Jack built.
This is the malt
That lay in the house that Jack built.”
—Mother Goose (fl. 17th–18th century. The House That Jack Built (l. 1–3)
“The hills are alive with the sound of music.”
—Oscar Hammerstein II (1895–1960)