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Gossan or iron cap Specimens from Ore deposit Mineral Vein in California.

Gossan or iron cap Specimens from Ore deposit Mineral Vein in California.

USD 30.00 USD
SKU: qxZp88TU
Condition: New

Specifications

Country Of OriginUnited States

Typically, in 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). Frequently, gossan appears as a red "stain" against the background rock and soil, due to the abundance of oxidized iron; the gossan may be a topographic positive area due to the abundance of erosion-resistant quartz and iron oxides.

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