Hynek, Brian M., McCollom, Thomas M., Marcucci, Emma C., Brugman, Kara, Rogers, Karyn L. (2013) Assessment of environmental controls on acid-sulfate alteration at active volcanoes in Nicaragua: Applications to relic hydrothermal systems on Mars. Journal of Geophysical Research: Planets, 118 (10) 2083-2104 doi:10.1002/jgre.20140

ⓘ Calcite

Formula: CaCO₃

References:

ⓘ Gypsum

Formula: CaSO₄ · 2H₂O

References:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘ	Gypsum	7.CD.40	CaSO₄ · 2H₂O
Group 8 - Phosphates, Arsenates and Vanadates
ⓘ	Brushite	8.CJ.50	Ca(PO₃OH) · 2H₂O

List of minerals for each chemical element

H	Hydrogen
H	ⓘ Brushite	Ca(PO₃OH) · 2H₂O
H	ⓘ Gypsum	CaSO₄ · 2H₂O
C	Carbon
C	ⓘ Calcite	CaCO₃
O	Oxygen
O	ⓘ Brushite	Ca(PO₃OH) · 2H₂O
O	ⓘ Calcite	CaCO₃
O	ⓘ Gypsum	CaSO₄ · 2H₂O
P	Phosphorus
P	ⓘ Brushite	Ca(PO₃OH) · 2H₂O
S	Sulfur
S	ⓘ Gypsum	CaSO₄ · 2H₂O
Ca	Calcium
Ca	ⓘ Brushite	Ca(PO₃OH) · 2H₂O
Ca	ⓘ Calcite	CaCO₃
Ca	ⓘ Gypsum	CaSO₄ · 2H₂O

Other Regions, Features and Areas containing this locality

Caribbean PlateTectonic Plate

Central AmericaRegion

Nicaragua

León Department
- Cerro Negro volcanoVolcano

North America

Central AmericaSubregion

North America Plate

Central American ArcVolcanic Arc

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References

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Unnamed fumarole, Cerro Negro volcano, León Department, NicaraguaiRegional Level TypesUnnamed fumaroleFumarole Cerro Negro volcanoVolcano León DepartmentDepartment NicaraguaCountry function showexplain() { $("#locexplain").toggle(); if (typeof movemap === "function") movemap(); }

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Mineral List

Detailed Mineral List:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

List of minerals for each chemical element

Other Regions, Features and Areas containing this locality

References

Unnamed fumarole, Cerro Negro volcano, León Department, Nicaragua i
Regional Level Types
Unnamed fumarole Fumarole
Cerro Negro volcano Volcano
León Department Department
Nicaragua Country