[meteorite-list] Rosetta Stone Analogy NEW IMAGES!

[Adam Hupe]

Hi Norbert,

Thank you for explaining the history of this piece.

Here are some more images for viewers pleasure:


http://themeteoritesite.com/Dhofar908-a.jpg

http://themeteoritesite.com/Dhofar908-b.jpg

http://themeteoritesite.com/Dhofar908-c.jpg

BestRegards,

Adam


--- Norbert Classen <trifid at timewarp.de> wrote:


> Hi Peter, Adam, and All,

> 

> Adam is correct: I used this term to describe the

> 81g main mass of lunar

> meteorite Dhofar 908 since March 2003 for its three

> distinct lithologies

> which linked the various finds Dhofar 302, 303, 305,

> 306, 307, 309, 310,

> 311, 730, 731, and 489 together - most of them

> representing just one of

> three lithologies, making it difficult to establish

> clear pairing

> relationships among the distinct finds. That's what

> the original "Rosetta

> stone" was all about, linking different languages to

> each other and allowing

> scientists to arrive at a deeper understanding and a

> broader view...

> 

> Baker, Bizzaro et. al. used this term for angrite

> SAH99555, but not prior to

> August 2005 to the best of my knowledge (SAH99555

> was found in 1999, but the

> paper in question wasn't published that "many years"

> ago - it was published

> in late 2005). So I did beat them to the analogy for

> at least two years, but

> I don't mind. An analogy is just another way to

> describe a certain property

> of a given object, and at least in my eyes the

> "Rosetta stone" analogy fits

> as well for Dhofar 908 and its distinct lithologies

> linking previous finds

> to each other as for SAH99555 and its distinct

> "isotopic clocks" (both

> analogous to the distinct writing systems that have

> been found on the

> original Stone of Rosette).

> 

> In any case, I have been plagiarizing noone when

> using that term to describe

> Dhofar 908, and its properties/lithologies... And

> neither did Adam.

> 

> Hope this sheds some light on this issue.

> 

> Lunatic Regards,

> Norbert

> 

> PS: To me Dhofar 908 isn't just "a bit special

> meteorite" because it is a

> rather unique lunar, and because it has three

> telling lithologies - it was

> my very first meteorite find. So don't throw beer

> cans at it unless you want

> to get me upset ,-) Who's that SAH99555, anyway ;-??

> 

> -----Ursprüngliche Nachricht-----

> 

> Hi Peter and List,

> 

> I am going with what Norbert Classen had to say

> about

> this being the "Rosetta Stone".  I believe he is the

> one who coined the term for this single stone. As

> far

> as I know, it is the only stone in the Dhofar series

> that has two lithologies possible tying two pairing

> sets together. I think the term Rosetta is fitting

> in

> this regards.

> 

> All the best,

> 

> Adam

>  

> --- Peter Marmet <p.marmet at mysunrise.ch> wrote:

> 

> > Dhofar 908...Rosetta stone?

> > 

> > For many years that expression was used for NWA

> > 99555:

> > 

> > A very important new paper on our angrite SAH99555

> > (Sahara 99555, a  

> > 2710g single stone with black fusion crust found

> by

> > our team in May  

> > 1999) was published in the last issue of the

> > scientific journal  

> > Nature. In the words of co-authors Joel Baker,

> > Director of Geology  

> > School of Earth Sciences, University of

> Wellington,

> > NEW ZEALAND, and  

> > Martin Bizarro, Leader, MC-ICP-MS Laboratory,

> > University of  

> > Copenhagen, DENMARK : “Your angrite meteorite find

> > SAH9955 is now the  

> > oldest absolutely dated igneous rock in the Solar

> > System, has clear  

> > evidence for the former presence of short-lived

> 26Al

> > in it (which  

> > caused planetesimal melting), and very likely will

> > become the  

> > "Rosetta Stone" for early Solar System

> > chronology”...

> > 

> > Will every a bit special meteorite be nicknamed

> > "Rosetta Stone" now?

> > 

> > To my knowledge Dhofar 908 is paired with  Dhofar

> > 302, 303, 305, 306,  

> > 307, 309, 310, 311, 730, 731, 489, 908, 909, 911,

> > 950, and 1085...

> > It seems that Dho 908 has something that all those

> > others do not  

> > have. This is very interesting and I'd be very

> > pleased to know more  

> > about that phenomenon.

> > Thank you!

> > 

> > Peter

> 

>