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:
“Men make clothes for the women they’d like to be with or—in most cases—the women they’d like to be.”
—Robert Altman, U.S. director, screenwriter, and Barbara Shulgasser. Jack Lowenthal (Rupert Everett)
“We near heaven’s hills with this,
God’s asphodels,
O stay,
stay close,
bend down.”
—Hilda Doolittle (1886–1961)