[meteorite-list] What is Age of Campo del Cielo meteorites?

From: Bernd Pauli HD <bernd.pauli_at_meteoritecentral.com>
Date: Thu Apr 22 09:52:25 2004
Message-ID: <3D6F5B1B.D50AC74C_at_lehrer.uni-karlsruhe.de>

Keith inquired:

> What is the age of the Campo del Cielo
> meteorites fall in Argentina?

Steven Drummond responded:

> My book Meteorites A to Z says it was a find
> back in 1576! That would make it 426 years ago!


Hello Steven, Keith, and List,

Some additional and useful background information:

BUCHWALD V.F. (1975) Handbook of Iron Meteorites,
Volume 2, p. 375: The Campo del Cielo individuals:

Meteorite name Mass (kg) Year (found)

The "Haag mass" ca. 33,400
El Mesón de Fierro ca. 15,000 Before 1576
El Toba 4,210 1923
El Taco 1,99 1962
El Mataco 990 1937
Otumpa ca. 900 1803
El Tonocoté 850 1931
El Mocovi 732 1925
El Abipón, syn. Charata 460 1936
El Patio ca. 350 Before 1960
Unnamed 132 Before 1960
Unnamed ca. 100 Before 1960
In Crater No. 10 ca. 18,000 1969
Gancedo,
Gran Chaco,
Tucuman and others 0.5-5

Terrestrial age:

Romana A. and Cassidy W.A. (1972) determined the time of fall
to be ca. 4000 years B.P. by radiocarbon dating of charcoal
samples extracted from the bottom of one of the craters.


Best regards,

Bernd
Received on Fri 30 Aug 2002 07:46:35 AM PDT