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Ironstone

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About IronstoneHide

Lithified iron-rich sediments.

Any rock containing a substantial proportion of an iron compound, or any iron ore from which the metal may be smelted commercially; specif., an iron-rich sedimentary rock, either deposited directly as a ferruginous sediment or resulting from chemical replacement. The term is customarily applied to a hard, coarsely banded or nonbanded, and noncherty sedimentary rock of post-Precambrian age, in contrast with banded iron formation. The iron minerals may be oxides (limonite, hematite, magnetite), carbonate (siderite), or silicate (chamosite); most ironstones containing iron oxides or chamosite are oolitic.

See: clay ironstone, banded ironstone [glossary item missing]

Compare with: iron formation


Classification of IronstoneHide

Sub-divisions of IronstoneHide

Mineralogy of IronstoneHide

Non-essential minerals - these minerals are common, sometimes major components, but are not always present:
Goethiteα-Fe3+O(OH)
HematiteFe2O3
Limonite(Fe,O,OH,H2O)
SideriteFeCO3

Synonyms of IronstoneHide

Internet Links for IronstoneHide

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