[meteorite-list] Statistically Speaking (Vaca Muerta)

From: MexicoDoug <mexicodoug_at_meteoritecentral.com>
Date: Tue, 22 Nov 2011 06:27:21 -0500 (EST)
Message-ID: <8CE7720D59813C1-1AAC-E50_at_webmail-m063.sysops.aol.com>

Hi Bernd;

Wow, that's a great passage!

And here's one of the maps it refers to (as I mentioned from Rodrigo's
old site) - not sure which - probably Fletcher (1889) if picking from
your reference's descriptions:

Don't know if the link will work but be sure to paste it together in
the URL bar of the browser without changes introduced by the email
spacings; here's the map with "Llano de la Vaca Muerta" SE of Taltal...

http://thumbnails.domaintools.com/domaintools/2011-11-22T11:21:41.000Z/GRYQEJRAXVcKBgMbA3X5zfUqVEc=/meteorites.cl/fullsize/499f4bfe8299d793cec48841c05fa79c/1208847600.jpg

Kindest wishes
Doug

-----Original Message-----
From: Bernd V. Pauli <bernd.pauli at paulinet.de>
To: meteorite-list <meteorite-list at meteoritecentral.com>
Sent: Tue, Nov 22, 2011 4:58 am
Subject: [meteorite-list] Statistically Speaking (Vaca Muerta)


Hi Ruben, Doug, AL, All ;-)

PEDERSEN H. et al. (1992) Vaca Muerta mesosiderite strewnfield
(Meteoritics 27-2, 1992, 126-135, Appendix A: Synonyms, p. 134):

As often happened with meteorite finds from the last century, the
material
was assigned a variety of names. In the case of Vaca Muerta, this is
particularly
understandable, since the meteorites were collected over a long
interval of time
and from a sparsely populated area.

Some of the material passed through several hands, during which specific
provenance information was lost. Nevertheless, the synonyms listed for
Vaca Muerta (Graham et al., 1985) offer a source of information on the
location and size of the strewnfield.

The most interesting are probably those discussed below. Others are too
vague
to be of value (Cha?aral, Taltal, Chile) or even misleading (Sierra de
Chaco,
Mejillones, San Pedro, San Pedro de Atacama, Harvard University).

Vaca Muerta (i.e., Dead Cow), Quebrada de Vaca Muerta: This name is
first used
by Domeyko (1875). As a geographical location, it appears in print only
rarely.
On a map studied by Fletcher (1889) and on one published by Espinoza
(1897),
Llano
de (la) Vaca Muerta, is a plain, south or south-east of Taltal. In 1883
a number
of rich silver mines were discovered in the coastal mountains of that
area.

One of them was initially known as Vaca Muerta (Vicu?ia Mackenna, 1883;
Fletcher,
1889; Domeyko, 1897), but soon it received the "glorious name
Esmeralda" (San
Ramon, 1911).

Finally, six named meteorites are marked on a map of mines in the
provinee of
Antofagasta, hand-drawn by Emilio Arnes, in 1934. Vaca Muerta is
plotted as a
position about 30 km north of the place where we found the largest
masses.
Sundt (1909) says that he saw the meteorites near a hill called Burro
Muerto
(Dead Donkey).


Best wishes,

Bernd


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Received on Tue 22 Nov 2011 06:27:21 AM PST