5 Questions
What is the minimum iron composition required for iron-rich sedimentary rocks?
15 wt.%
What distinguishes iron formations from ironstones?
Age and iron composition
Which type of iron-rich sedimentary rock is mainly Precambrian in age?
Iron formations
What minerals are found in ironstones?
(Siderite, chamosite, berthierine)
What distinguishes native or telluric iron from ironstone?
Occurrence in metallic form
Learn about the abundance of iron in the earth's crust and the characteristics of iron-rich sedimentary rocks. Explore the composition and classification of these rocks based on their iron content.
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