-40%
Campo 865 gram Meteorite with Hole - Really Nice Regmaglypts and Thumb Prints!
$ 166.84
- Description
- Size Guide
Description
Campo del Cielo Meteorite with Hole - Really Nice Regmaglypts and Thumb Prints! Stands nicely on its own for display in multiple orientations. This is a nice piece of Iron with many desired features.865 grams measuring approximately 3.5 x 3 x 2.5". Listed as ITEM D in my collection.
Definitions and information about this holed meteorite and its origination:
Ablations:
Meteor ablation
occurs when a
meteor
travels through the Earth's atmosphere and the aerodynamic pressure of the surrounding atmosphere surpasses the material strength of the object. This generates heat from atmospheric entry and breaks up the object, causing it to lose mass.
Campo del Cielo
refers to a group of
iron meteorites
and to the area in Argentina where they were found.
The site straddles the
provinces
of
Chaco
and
Santiago del Estero
, 1,000 kilometers (620 mi)
north-northwest
of
Buenos Aires
,
Argentina
. It is half that distance, north-east, to Paraguay's capital,
Asunción
. The crater field covers 3 by 18.5 kilometres (1.9 by 11.5 mi) and contains at least 26 craters, the largest being 115 by 91 meters (377 by 299 ft).
The craters' age is estimated as four to five thousand years. Containing iron masses, they were reported in 1576, but were already well known to local aboriginal inhabitants. The craters and their surrounds contain many fragments of an iron meteorite. The total weight of the pieces recovered is about 100 tonnes, making the meteorite possibly the greatest recovery.
The average composition of the Campo del Cielo meteorite is 6.67% Ni, 0.43% Co, 0.25% P, 87 ppm Ga, 407 ppm Ge, and 3.6 ppm Ir, with the remaining 92.6% being iron.
Campo's structural classification are Octahedrite, group IAB
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