Talk:Henbury Meteorites Conservation Reserve

message: To Wikipedia gate keepers.
Please stop your disruptive editing. 
I realize you think you are doing the right thing, however what you are doing is in effect mindless vandalism.
Here are the reasons why.
Reference 2
Kohman T. P. and Goel P.S. (1963). Terrestrial ages of meteorites from . In: Radioactive Dating, pp. 395–311. International Atomic Energy Agency, Vienna.
You will find this on Google Books called:-
Radioactive Dating: Proceedings of the Symposium on Radioactive Dating Held by the International Atomic Energy Agency in Co-operation with the Joint Commission on Applied Radioactivity (ICSU) in Athens, 19-23 November 1962
Unfortunately Google Books does not allow full access to this paper.
However if you go to Google Books and search with the phrase:-
"For crater-associated irons, the resulting ages in years are: Henbury s 4700"
If you click on the hit you can then see that it actually says:-
"For crater-associated irons, the resulting ages in years are: Henbury ≤ 4700"
So the cosmogenic 14C terrestrial age for Henbury given by this reference is ≤ 4700 years, not the 4.2±1.9 thousand years stated on the Henbury page.
This is error number 1.
Reference 3
"Henbury". Earth Impact Database. University of New Brunswick.
I emailed the Earth Impact Database people about the above cosmogenic 14C terrestrial age of ≤ 4700 years for Henbury.
The response from the Data Manager, Earth Impact Database, Planetary and Space Science Centre, University of New Brunswick, was:-
"There is a later publication that seems to be accepted by the scientific community,
Storzer and Wagner (1977), for the Henbury age of 4200 +/- 1900 years. We keep up with
publications and assess their dating methods, etc. before changing the date."
If you click on the Reference 3 Henbury link to the Earth Impact Database you will find this paper listed in the references:-
Storzer, D. and Wagner, G.A., Fission-track dating of meteorite impacts. Meteoritics, v. 12, pp. 368-369. 1977.
You can see this paper here:-
http://articles.adsabs.harvard.edu/full/1977Metic..12..368S
It clearly gives the Fission Track Age for Henbury as (4.2 ± 1.9) X 10³a.
This is where the 4.2±1.9 thousand years on the Wikipedia Henbury page comes from.
It is a Fission Track Age not a cosmogenic 14C terrestrial age as stated.
This is error number 2.
How to correct these two errors.
In my option the two ages given by independent methods support each other and should both be given as each estimate places bounds on the other.
You could however make a case that this is rather technical and might confuse some Wikipedia readers and opt for using only the Fission Track Age.
It seems only Wikipedia gate keepers can decide how to correct these errors.
Steve from DownUnder  — Preceding unsigned comment added by 121.222.244.134 (talk) 01:24, 13 August 2013 (UTC)
thread_title: Untitled

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thread_title:  External links modified (January 2018)