Campo del Cielo
The meteorite impact, age and composition
A crater field of at least 26 craters was found in the area, with the largest being 115 by 91 metres (377 by 299 ft).

Campo del Cielo

Section Title: The meteorite impact, age and composition
Table Section Text: A crater field of at least 26 craters was found in the area, with the largest being 115 by 91 metres (377 by 299 ft).

Mass (tonnes)	Name	Year of discovery

>15	el Meson de Fierro or Otumpa (missing)	1576

>0.8	Runa Pocito or Otumpa	1803

4.21	el Toba	1923

0.02	el Hacha	1924

0.73	el Mocovi	1925

0.85	el Tonocote	1931

0.46	el Abipon	1936

1	el Mataco	1937

2	el Taco	1962

1.53	la Perdida	1967

3.12	las Viboras	1967

28.8	el Chaco	1969 (extracted in 1980)

>10	Tañigó II (missing)	1997

15	la Sorpresa	2005

7.85	el Wichí or Meteorito Santiagueño	2006

30.8	Gancedo	2016

Sentence(s)

The 30.8-ton Gancedo and 28.8-ton El Chaco, are among the heaviest meteorite masses.
The largest two fragments, the 30.8-ton Gancedo and 28.8-ton El Chaco, are the heaviest meteorite masses.
The 30.8-ton Gancedo and 28.8-ton El Chaco are among the heaviest meteorite masses.

final_sentence: The 30.8-ton Gancedo and 28.8-ton El Chaco, are among the heaviest meteorite masses.
final_sentence: The largest two fragments, the 30.8-ton Gancedo and 28.8-ton El Chaco, are the heaviest meteorite masses.
final_sentence: The 30.8-ton Gancedo and 28.8-ton El Chaco are among the heaviest meteorite masses.