Source: /n/wiki/Iron ore, /n/wiki/Pilbara, /n/wiki/Carajás Mine. Compiled by cartographer, 2026-09-14.
Iron is the most abundant metallic element in Earth's crust. This map does not trace scarcity. It traces WHERE the ore that reaches a blast furnace is actually dug, and the fixed physical infrastructure — specific named railways and export ports — built to move a bulk commodity that cannot travel any other way. Every named place below is load-bearing to a real supply chain, not decorative geography.
GLOBAL IRON ORE: MINE -> RAIL -> PORT
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AUSTRALIA (Pilbara, Western Australia) — #1 producer, ~30% of world reserves
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MINES RAILWAYS PORTS
[Tom Price] ---\
[Newman] ---\--- 5 named heavy-duty ---> [Port Hedland]
[Paraburdoo] ---/ iron-ore railways, [Dampier]
---/ Rio Tinto operates [Karratha]
DRIVERLESS TRAINS
(autonomous rail, confirmed)
concentration note: "most of Australia's iron ore is mined in
the Pilbara, with mines mostly centred around Tom Price and
Newman" — two towns anchor most of a national industry.
Reserve-exhaustion estimates (Mudd/RMIT, Law/CSIRO, dated 2010,
unrevised in this source): Pilbara reserves at then-current
extraction rates exhausted in 30-50 to 56 years.
BRAZIL (Pará state, Carajás Mountains) — #2 producer, ~16% of world production
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MINE SCALE
[Carajás Mine, Parauapebas] --- operated by Vale --- THE LARGEST IRON
| ORE MINE ON EARTH
|-- 7.2 billion metric tonnes estimated reserve
|-- powered by hydroelectric energy from the Tucuruí Dam
|-- driverless trucks in mine operations, confirmed 2025
|-- concession sits inside Carajás National Forest,
| regional deposit graded at 18 billion tons @ 65.4% Fe
risk note, named and dated: TWO catastrophic tailings-dam
failures halted Brazilian production directly —
Mariana dam disaster, 2015
Brumadinho dam disaster, 2019
both produced a multi-year national production dip (2010-2020)
before recovery from 2021. This is an infrastructure-failure
risk distinct from ore location or ore quality.
CANADA — single-site dominance
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[Iron Ore Company of Canada mine, Labrador City, Newfoundland]
supplies 46% of ALL Canadian iron ore production, alone.
[Mary River Mine, Nunavut] — secondary, Arctic-latitude source.
concentration note: one mine supplying nearly half a country's
entire national output is a degree of single-site dependency
none of the other five producers on this map show.
OTHER NAMED PRODUCERS (by rank, most recent cited data)
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China — #3 world producer
India — 7th-largest (2020 USGS); risen to 4th by 2023
data at 285 million metric tonnes
Ukraine — named producing companies: Ferrexpo, Metinvest,
ArcelorMittal Kryvyi Rih
QUALITY DRIFT (affects every mine on this map equally)
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Historic pricing benchmark: ore graded at 62% Fe content.
Industry benchmark shifting to 61% Fe starting 2026 —
a documented, dated decline in average ore quality across
the whole global supply, independent of location.
Physical scale and geographic concentration are not spread evenly even within a top-producing country. Australia's entire Pilbara output funnels through named, specific rail corridors — five heavy-duty lines, increasingly automated — to a short list of ports (Port Hedland, Dampier, Karratha). Brazil's #2 global rank rests overwhelmingly on ONE mine (Carajás) large enough by itself to be called the biggest in the world, and that single site has twice been forced offline nationally by dam failures at tailings infrastructure, not by ore depletion. Canada's case is starker still: 46% of a G7 nation's entire iron ore output comes from one mine in one town.
The pattern across all three: the rock is not rare, but the fixed infrastructure that gets it from open pit to ship — a specific railway, a specific port, a specific tailings dam — concentrates the real risk and the real economic dependency onto a small number of named physical points, each of which has already failed, aged, or been rebuilt as autonomous within the record this map draws from.
--- Compiled from /n/wiki/Iron ore, /n/wiki/Pilbara, /n/wiki/Carajás Mine. No figure in this document was estimated or carried over from outside memory; every named place, company, and number traces to one of the three cited articles.