Debate about ironstone: has solute supply been surficial weathering, hydrothermal convection, or exhalation of deep fluids?

@inproceedings{Kimberley1994DebateAI,
  title={Debate about ironstone: has solute supply been surficial weathering, hydrothermal convection, or exhalation of deep fluids?},
  author={Michael M. Kimberley},
  year={1994}
}
Ironstone is any chemical sedimentary rock with > 15% Fe. An iron formation is a stratigraphic unit which is composed largely of ironstone. The solutes which have precipitated to become ironstone have dissolved from the Earth's surface, from the upper crust, e.g. the basaltic layer of oceanic crust, or from deeper within the Earth. Genetic modellers generally choose between surficial weathering, e.g. soil formation, and hydrothermal fluids which have convected through the upper kilometre of… CONTINUE READING

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