Toluca (meteorite)
Toluca is a group of iron meteorites found in Jiquipilco, Mexico near Toluca.
History
The meteorites probably crashed into Earth more than 10,000 years ago. For centuries, Mexican people living near the meteorites used them as a source of metal for various tools. They were first described by conquistadores in about 1776.
The total known mass is about 3 tonnes.
Composition and classification
These iron meteorites are a coarse octahedrite, chemical type IAB-sLL. The mean composition is 90.5% Fe and 8.1% Ni. They often contain large troilite inclusions.
See also
References
- ^ Vagn Fabritius Buchwald (1975). "Handbook of Iron Meteorites".
- ^ Vagn Fabritius Buchwald (2005). Iron and Steel in Ancient Times. ISBN 978-87-7304-308-0.
- ^ Meteoritical Bulletin Database: Toluca