Question

What is true gossan?

Answer 1

gossan or iron cap all that remains is iron oxides and quartz, often in the form of boxworks (which are quartz-lined cavities retaining the shape of the dissolved ore minerals).

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Answer 2

Gossan is rust-coloured oxide and hydroxide minerals of iron and manganese that cap an ore deposit. or iron cap all that remains is iron oxides and quartz, often in the form of boxworks