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Onco-haematologist
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Glutamine
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Vanograph
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The theory of punctuated equilibrium
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Peptide
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OGDT
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Baseline
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Constellation of Andromeda
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Time
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Outer ear
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Ruderal
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Polymetallic
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Ombrophile
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Algorithmics
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Primitive ocean
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Effusion
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Electrolyte
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Heterozygote
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Epitope
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Topiramate
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Cannabinoid
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Arteriole
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Rhombohedral system
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Salmonellosis
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Crystalline aggregate
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Chagas Disease
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Teflon
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Apathy
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Rigor mortis
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Leonids
Fumarole deposits
Fumarole deposits are formed by the precipitation of mineral substances from the gases emitted by fumaroles. This is the case, for example, of the sulphur deposits formed by the reaction of H2S with the oxygen in the air.
The gases emitted by fumaroles form fumarole deposits. © IRD/Pierre Tachker
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