MAKE A MEME View Large Image The Valley is covered with mineral deposits that mark the location of extinct fumaroles. Black staining around these spots typically reflect magnetite or hematite. White zones may be enriched in silica and clay minerals. Orange to yellow ...
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Keywords: valley of ten thousand smokes valleyoftenthousandsmokes texture outdoor soil The Valley is covered with mineral deposits that mark the location of extinct fumaroles. Black staining around these spots typically reflect magnetite or hematite. White zones may be enriched in silica and clay minerals. Orange to yellow staining indicates minerals such as limonite, geothite, or sulfur.NPS photo by M. Fitz. The Valley is covered with mineral deposits that mark the location of extinct fumaroles. Black staining around these spots typically reflect magnetite or hematite. White zones may be enriched in silica and clay minerals. Orange to yellow staining indicates minerals such as limonite, geothite, or sulfur.NPS photo by M. Fitz.
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