Toluca (meteorite): Difference between revisions
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|Type= Iron |
|Type= Iron |
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|Class= |
|Class= |
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|Group= [[IAB meteorites|IAB]]-sLL |
|Group= [[IAB meteorites|IAB]]-sLL |
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|Structural_classification= Coarse [[Octahedrite]] |
|Structural_classification= Coarse [[Octahedrite]] |
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|Composition= |
|Composition= 90.5% Fe; 8.1% Ni |
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|Shock= |
|Shock= |
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|Weathering= |
|Weathering= |
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|Country= [[Mexico]] |
|Country= [[Mexico]] |
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|Region= [[Toluca Valley]], [[Jiquipilco]], [[Mexico State]] |
|Region= [[Toluca Valley]], [[Jiquipilco]], [[Mexico State]] |
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|Lat_Long= {{coord|19| |
|Lat_Long= {{coord|19|27|N|99|35|W|display=inline,title}}<ref name="buchwald1975">{{cite web |url=https://evols.library.manoa.hawaii.edu/handle/10524/33750 |title=Handbook of Iron Meteorites |author=Vagn Fabritius Buchwald |date=1975}}</ref> |
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|Observed_fall= No |
|Observed_fall= No |
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|Fall_date= > |
|Fall_date= >10,000 years ago |
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|Found_date= 1776 |
|Found_date= about 1776 |
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|TKW= 3 [[tonne]]s |
|TKW= 3 [[tonne]]s |
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|Image2= |
|Image2= |
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|Image2_caption= |
|Image2_caption= |
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}} |
}} |
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'''Toluca''' is |
'''Toluca''' is a shower of [[iron meteorite]]s found in [[Jiquipilco|Jiquipilco, Mexico]] near [[Toluca]].<ref name="buchwald1975"/> |
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==History== |
==History== |
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The |
The meteorites probably crashed towards the [[Earth]] more than 10,000 years earlier.<ref name="buchwald2005">{{cite book |isbn=978-87-7304-308-0 |title=Iron and Steel in Ancient Times |author=Vagn Fabritius Buchwald |date=2005}}</ref> |
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For centuries, Mexican people living near the meteorites |
For centuries, Mexican people living near the meteorites used them as a source of metal for various tools. They were seen by [[conquistador]]es about 1776.<ref name="buchwald1975"/> |
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The [[total known mass]] is about 3 [[tonne]]s.<ref name=metbul |
The [[total known mass]] is about 3 [[tonne]]s.<ref name=metbul>{{metbull|24018|Toluca}}</ref> |
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==Composition and classification== |
==Composition and classification== |
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These iron meteorites are a coarse [[octahedrite]], chemical type [[IAB meteorites|IAB]]-sLL.<ref name="metbul"/> |
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The mean composition is |
The mean composition is 90.5% [[Iron|Fe]] and 8.1% [[Nickel|Ni]].<ref name="buchwald1975"/> |
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They often contain large [[troilite]] inclusions. |
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==See also== |
==See also== |
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[[Category:History of the State of Mexico]] |
[[Category:History of the State of Mexico]] |
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[[Category:Natural history of the State of Mexico]] |
[[Category:Natural history of the State of Mexico]] |
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[[Category:1776 in Mexico]] |
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[[Category:1776 in science]] |
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Revision as of 01:39, 2 September 2021
| Toluca | |
|---|---|
 500g Toluca slice | |
| Type | Iron |
| Structural classification | Coarse Octahedrite |
| Group | IAB-sLL |
| Composition | 90.5% Fe; 8.1% Ni |
| Country | Mexico |
| Region | Toluca Valley, Jiquipilco, Mexico State |
| Coordinates | 19°27′N 99°35′W / 19.450°N 99.583°W[1] |
| Observed fall | No |
| Fall date | >10,000 years ago |
| Found date | about 1776 |
| TKW | 3 tonnes |
 Related media on Wikimedia Commons | |
Toluca is a shower of iron meteorites found in Jiquipilco, Mexico near Toluca.[1]
History
The meteorites probably crashed towards the Earth more than 10,000 years earlier.[2] For centuries, Mexican people living near the meteorites used them as a source of metal for various tools. They were seen by conquistadores about 1776.[1]
The total known mass is about 3 tonnes.[3]
Composition and classification
These iron meteorites are a coarse octahedrite, chemical type IAB-sLL.[3] The mean composition is 90.5% Fe and 8.1% Ni.[1] They often contain large troilite inclusions.
See also
References
- ^ a b c d Vagn Fabritius Buchwald (1975). "Handbook of Iron Meteorites".
- ^ Vagn Fabritius Buchwald (2005). Iron and Steel in Ancient Times. ISBN 978-87-7304-308-0.
- ^ a b Meteoritical Bulletin Database: Toluca