| beno |
| (Master Guide) |
| 09/27/05 01:12 AM |
|
Re: Oldest rocks on Earth (Jack Hills) - Maps
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I spent hours trying to find out about this place to answer Jumble's challenge and never came across this paper - Internal zoning and U–Th–Pb chemistry of Jack Hills detrital zircons: a mineral record of early Archean to Mesoproterozoic (4348–1576 Ma) magmatism - Aaron J. Cavosie, Simon A. Wilde, Dunyi Liu, Paul W. Weiblen, John W. Valley which has the great maps you've posted.
Personally, I would worry about a double post here it's not Alcatraz, http://bbs.keyhole.com/ubb/showthreaded.php?Cat=&Board=EarthTravel&Number=350 !
Beno.