Including Original "Paul H. Letters" Copyright © 1996-2017 Paul V. Heinrich - All rights reserved.



Wednesday, 26 February 2014

Age of Jack Hills, Australia, Zircons Revisited

Age of Jack Hills, Australia, Zircons Revisited

Rock around the clock: zircon crystal is oldest piece of
Earth by Reuters, The Telegraph, February 24, 2014.
http://www.telegraph.co.uk/news/worldnews/australiaandthepacific/10657665/Rock-around-the-clock-zircon-crystal-is-oldest-piece-of-Earth.html

Gem discovered on Australian sheep farm is oldest piece
of the planet, The Guardian, February 24, 2103.
http://www.theguardian.com/science/2014/feb/24/gem-discovered-in-wa-is-oldest-piece-of-planet-earth

At 4.4 Billion Years Old, Oz Crystals Confirmed As World's
Oldest, NPR, Morning Edition, February 24, 2014 3:27 AM
http://www.npr.org/2014/02/24/280888059/at-4-4-billion-years-old-oz-crystals-confirmed-as-worlds-oldest


Rock of Ages: Microscopic 4.4 billion-year-old crystal is
the oldest-known fragment of Earth. Mail Online
http://www.dailymail.co.uk/sciencetech/article-2566588/Rock-Ages-Microscopic-4-4-billion-year-old-crystal-oldest-known-fragment-Earth.html

Valley, J. W., A. J. Cavosie, T. Ushikubo, D. A. Reinhard,
D. F. Lawrence, D. J. Larson, P. H. Clifton, T. F. Kelly,
S. A. Wilde, D. E. Moser, and M. J. Spicuzza, 2014, Hadean
age for a post-magma-ocean zircon confirmed by atom-
probe tomography. Nature Geoscience. Published online
23 February 2014, doi:10.1038/ngeo2075
http://www.nature.com/ngeo/journal/vaop/ncurrent/full/ngeo2075.html

Yours,

Paul H.