Iron node

Entradas

1. Entrada 1

   Banded iron formations-Precambrian sedimentary rocks of alternating hematite/magnetite and chert layers-are the world's primary iron ore source and typically over 1.7 billion years old.

2. Entrada 2

   Approximately 98 percent of mined iron ore worldwide is used to make steel, the foundational alloy for buildings, railroads, vehicles, tools, and weaponry.

3. Entrada 3

   Ancient Egyptians called iron "ba-en-pet," meaning "metal of heaven," because their earliest iron came from meteorites. Tutankhamun's famous dagger blade was confirmed in 2016 to be forged from meteoritic iron

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