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El Mochito Mine, Santa Bárbara Department, Hondurasi
Regional Level Types
El Mochito MineMine
Santa Bárbara DepartmentDepartment
HondurasCountry

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Key
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Latitude & Longitude (WGS84): 14° 49' 59'' North , 88° 4' 59'' West
Latitude & Longitude (decimal): 14.83333,-88.08333
GeoHash:G#: d49k7s7dm
Owned/operated by:Nyrstar
Locality type:Mine
Köppen climate type:Aw : Tropical savanna, wet
Nearest Settlements:
PlacePopulationDistance
El Mochito1,950 (2012)3.7km
Las Vegas, Santa Barbara7,487 (2014)4.9km
Los Naranjos1,684 (2006)8.2km
Concepción del Sur1,049 (2012)9.7km
San Pedro Zacapa1,065 (2012)9.9km


Zinc-lead-silver mine with minor gold and cadmium, situated near Lake Yojoa.

The largest mine in Central America.

Distal chimney-manto replacement deposit (skarn) hosted by Cretaceous limestones.

Regions containing this locality

Caribbean PlateTectonic Plate
Central AmericaRegion

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


22 valid minerals.

Rock Types Recorded

Note: this is a very new system on mindat.org and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Acanthite
Formula: Ag2S
Reference: www.mineralmundi.com; Williams-Jones, A. E., Samson, I. M., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2010). The genesis of distal zinc skarns: Evidence from the Mochito deposit, Honduras. Economic Geology, 105(8), 1411-1440.
Andradite
Formula: Ca3Fe3+2(SiO4)3
Reference: Econ Geol (2004) 99:1223-1231; Williams-Jones, A. E., Samson, I. M., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2010). The genesis of distal zinc skarns: Evidence from the Mochito deposit, Honduras. Economic Geology, 105(8), 1411-1440.; Samson, I. M., Williams-Jones, A. E., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2008). Source of fluids forming distal Zn-Pb-Ag skarns: Evidence from laser ablation–inductively coupled plasma–mass spectrometry analysis of fluid inclusions from El Mochito, Honduras. Geology, 36(12), 947-950.
'Andradite-Grossular Series'
Reference: Williams-Jones, A. E., Samson, I. M., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2010). The genesis of distal zinc skarns: Evidence from the Mochito deposit, Honduras. Economic Geology, 105(8), 1411-1440.; Samson, I. M., Williams-Jones, A. E., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2008). Source of fluids forming distal Zn-Pb-Ag skarns: Evidence from laser ablation–inductively coupled plasma–mass spectrometry analysis of fluid inclusions from El Mochito, Honduras. Geology, 36(12), 947-950.
Aragonite
Formula: CaCO3
Reference: Walter R. Kellogg (M&W Minerals) specimens
Arsenopyrite
Formula: FeAsS
Reference: Econ Geol (2004) 99:1223-1231; Samson, I. M., Williams-Jones, A. E., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2008). Source of fluids forming distal Zn-Pb-Ag skarns: Evidence from laser ablation–inductively coupled plasma–mass spectrometry analysis of fluid inclusions from El Mochito, Honduras. Geology, 36(12), 947-950.
'Biotite'
Reference: Econ Geol (2004) 99:1223-1231
Bustamite
Formula: CaMn2+(Si2O6)
Reference: Econ Geol (2004) 99:1223-1231
Calcite
Formula: CaCO3
Reference: Econ Geol (2004) 99:1223-1231
Calcite var: Manganoan Calcite
Formula: (Ca,Mn)CO3
Reference: Walter R. Kellogg (M&W Minerals) specimens
Chalcopyrite
Formula: CuFeS2
Reference: Econ Geol (2004) 99:1223-1231; Samson, I. M., Williams-Jones, A. E., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2008). Source of fluids forming distal Zn-Pb-Ag skarns: Evidence from laser ablation–inductively coupled plasma–mass spectrometry analysis of fluid inclusions from El Mochito, Honduras. Geology, 36(12), 947-950.
Epidote
Formula: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Reference: Iain M. Samson, Anthony E. Williams-Jones, Katherine M. Ault, Joel E. Gagnon and Brian J. Fryer (2008) Source of fluids forming distal Zn-Pb-Ag skarns: Evidence from laser ablation −inductively coupled plasma−mass spectrometry analysis of fluid inclusions from El Mochito, Honduras. Geology 36; 947-950.; Samson, I. M., Williams-Jones, A. E., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2008). Source of fluids forming distal Zn-Pb-Ag skarns: Evidence from laser ablation–inductively coupled plasma–mass spectrometry analysis of fluid inclusions from El Mochito, Honduras. Geology, 36(12), 947-950.
Galena
Formula: PbS
Reference: Econ Geol (2004) 99:1223-1231; Williams-Jones, A. E., Samson, I. M., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2010). The genesis of distal zinc skarns: Evidence from the Mochito deposit, Honduras. Economic Geology, 105(8), 1411-1440.; Samson, I. M., Williams-Jones, A. E., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2008). Source of fluids forming distal Zn-Pb-Ag skarns: Evidence from laser ablation–inductively coupled plasma–mass spectrometry analysis of fluid inclusions from El Mochito, Honduras. Geology, 36(12), 947-950.
'Garnet Group'
Formula: X3Z2(SiO4)3
Reference: Econ Geol (2004) 99:1223-1231; Williams-Jones, A. E., Samson, I. M., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2010). The genesis of distal zinc skarns: Evidence from the Mochito deposit, Honduras. Economic Geology, 105(8), 1411-1440.; Samson, I. M., Williams-Jones, A. E., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2008). Source of fluids forming distal Zn-Pb-Ag skarns: Evidence from laser ablation–inductively coupled plasma–mass spectrometry analysis of fluid inclusions from El Mochito, Honduras. Geology, 36(12), 947-950.
Graphite
Formula: C
Reference: Williams-Jones, A. E., Samson, I. M., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2010). The genesis of distal zinc skarns: Evidence from the Mochito deposit, Honduras. Economic Geology, 105(8), 1411-1440.
Grossular
Formula: Ca3Al2(SiO4)3
Reference: Econ Geol (2004) 99:1223-1231
Hedenbergite
Formula: CaFe2+Si2O6
Reference: Econ Geol (2004) 99:1223-1231
'K Feldspar'
Reference: Econ Geol (2004) 99:1223-1231
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Econ Geol (2004) 99:1223-1231; Williams-Jones, A. E., Samson, I. M., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2010). The genesis of distal zinc skarns: Evidence from the Mochito deposit, Honduras. Economic Geology, 105(8), 1411-1440.; Samson, I. M., Williams-Jones, A. E., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2008). Source of fluids forming distal Zn-Pb-Ag skarns: Evidence from laser ablation–inductively coupled plasma–mass spectrometry analysis of fluid inclusions from El Mochito, Honduras. Geology, 36(12), 947-950.
Polybasite
Formula: [(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Reference: Specimen in the Robal Ontario Museum
Pyrargyrite
Formula: Ag3SbS3
Reference: www.mineralmundi.com
Pyrite
Formula: FeS2
Reference: Econ Geol (2004) 99:1223-1231; Samson, I. M., Williams-Jones, A. E., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2008). Source of fluids forming distal Zn-Pb-Ag skarns: Evidence from laser ablation–inductively coupled plasma–mass spectrometry analysis of fluid inclusions from El Mochito, Honduras. Geology, 36(12), 947-950.
'Pyroxene Group'
Reference: Williams-Jones, A. E., Samson, I. M., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2010). The genesis of distal zinc skarns: Evidence from the Mochito deposit, Honduras. Economic Geology, 105(8), 1411-1440.; Samson, I. M., Williams-Jones, A. E., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2008). Source of fluids forming distal Zn-Pb-Ag skarns: Evidence from laser ablation–inductively coupled plasma–mass spectrometry analysis of fluid inclusions from El Mochito, Honduras. Geology, 36(12), 947-950.
Pyrrhotite
Formula: Fe7S8
Reference: Econ Geol (2004) 99:1223-1231; Williams-Jones, A. E., Samson, I. M., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2010). The genesis of distal zinc skarns: Evidence from the Mochito deposit, Honduras. Economic Geology, 105(8), 1411-1440.; Samson, I. M., Williams-Jones, A. E., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2008). Source of fluids forming distal Zn-Pb-Ag skarns: Evidence from laser ablation–inductively coupled plasma–mass spectrometry analysis of fluid inclusions from El Mochito, Honduras. Geology, 36(12), 947-950.
Quartz
Formula: SiO2
Reference: Econ Geol (2004) 99:1223-1231
Rhodochrosite
Formula: MnCO3
Reference: www.mineralmundi.com
Silver
Formula: Ag
Reference: Rob Lavinski specimens; www.mineralmundi.com
Sphalerite
Formula: ZnS
Reference: Econ Geol (2004) 99:1223-1231; Williams-Jones, A. E., Samson, I. M., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2010). The genesis of distal zinc skarns: Evidence from the Mochito deposit, Honduras. Economic Geology, 105(8), 1411-1440.; Samson, I. M., Williams-Jones, A. E., Ault, K. M., Gagnon, J. E., & Fryer, B. J. (2008). Source of fluids forming distal Zn-Pb-Ag skarns: Evidence from laser ablation–inductively coupled plasma–mass spectrometry analysis of fluid inclusions from El Mochito, Honduras. Geology, 36(12), 947-950.
Tetrahedrite
Formula: Cu6[Cu4(Fe,Zn)2]Sb4S13
Reference: www.mineralmundi.com

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Graphite1.CB.05aC
Silver1.AA.05Ag
Group 2 - Sulphides and Sulfosalts
Acanthite2.BA.35Ag2S
Arsenopyrite2.EB.20FeAsS
Chalcopyrite2.CB.10aCuFeS2
Galena2.CD.10PbS
Polybasite2.GB.15[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Pyrargyrite2.GA.05Ag3SbS3
Pyrite2.EB.05aFeS2
Pyrrhotite2.CC.10Fe7S8
Sphalerite2.CB.05aZnS
Tetrahedrite2.GB.05Cu6[Cu4(Fe,Zn)2]Sb4S13
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Calcite5.AB.05CaCO3
var: Manganoan Calcite5.AB.05(Ca,Mn)CO3
Rhodochrosite5.AB.05MnCO3
Group 9 - Silicates
Andradite9.AD.25Ca3Fe3+2(SiO4)3
Bustamite9.DG.05CaMn2+(Si2O6)
Epidote9.BG.05a{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Grossular9.AD.25Ca3Al2(SiO4)3
Hedenbergite9.DA.15CaFe2+Si2O6
Unclassified Minerals, Rocks, etc.
'Andradite-Grossular Series'-
'Biotite'-
'Garnet Group'-X3Z2(SiO4)3
'K Feldspar'-
'Pyroxene Group'-

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Silver1.1.1.2Ag
Semi-metals and non-metals
Graphite1.3.6.2C
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Acanthite2.4.1.1Ag2S
AmXp, with m:p = 1:1
Galena2.8.1.1PbS
Pyrrhotite2.8.10.1Fe7S8
Sphalerite2.8.2.1ZnS
AmBnXp, with (m+n):p = 1:1
Chalcopyrite2.9.1.1CuFeS2
AmBnXp, with (m+n):p = 1:2
Arsenopyrite2.12.4.1FeAsS
Pyrite2.12.1.1FeS2
Group 3 - SULFOSALTS
ø > 4
Polybasite3.1.7.2[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
3 <ø < 4
Tetrahedrite3.3.6.1Cu6[Cu4(Fe,Zn)2]Sb4S13
ø = 3
Pyrargyrite3.4.1.2Ag3SbS3
Group 7 - MULTIPLE OXIDES
AB2X4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Rhodochrosite14.1.1.4MnCO3
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Andradite51.4.3b.1Ca3Fe3+2(SiO4)3
Grossular51.4.3b.2Ca3Al2(SiO4)3
Group 58 - SOROSILICATES Insular, Mixed, Single, and Larger Tetrahedral Groups
Insular, Mixed, Single, and Larger Tetrahedral Groups with cations in [6] and higher coordination; single and double groups (n = 1, 2)
Epidote58.2.1a.7{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Hedenbergite65.1.3a.2CaFe2+Si2O6
Single-Width Unbranched Chains, W=1 with chains P=3
Bustamite65.2.1.2CaMn2+(Si2O6)
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Andradite-Grossular Series'-
Aragonite-CaCO3
'Biotite'-
Calcite
var: Manganoan Calcite
-(Ca,Mn)CO3
'Garnet Group'-X3Z2(SiO4)3
'K Feldspar'-
'Pyroxene Group'-

List of minerals for each chemical element

HHydrogen
H Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
CCarbon
C CalciteCaCO3
C RhodochrositeMnCO3
C Calcite (var: Manganoan Calcite)(Ca,Mn)CO3
C AragoniteCaCO3
C GraphiteC
OOxygen
O Garnet GroupX3Z2(SiO4)3
O MagnetiteFe2+Fe23+O4
O GrossularCa3Al2(SiO4)3
O AndraditeCa3Fe23+(SiO4)3
O HedenbergiteCaFe2+Si2O6
O CalciteCaCO3
O QuartzSiO2
O BustamiteCaMn2+(Si2O6)
O RhodochrositeMnCO3
O Calcite (var: Manganoan Calcite)(Ca,Mn)CO3
O AragoniteCaCO3
O Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
AlAluminium
Al GrossularCa3Al2(SiO4)3
Al Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
SiSilicon
Si Garnet GroupX3Z2(SiO4)3
Si GrossularCa3Al2(SiO4)3
Si AndraditeCa3Fe23+(SiO4)3
Si HedenbergiteCaFe2+Si2O6
Si QuartzSiO2
Si BustamiteCaMn2+(Si2O6)
Si Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
SSulfur
S SphaleriteZnS
S GalenaPbS
S PyriteFeS2
S PyrrhotiteFe7S8
S ChalcopyriteCuFeS2
S ArsenopyriteFeAsS
S Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
S AcanthiteAg2S
S PyrargyriteAg3SbS3
S TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
CaCalcium
Ca GrossularCa3Al2(SiO4)3
Ca AndraditeCa3Fe23+(SiO4)3
Ca HedenbergiteCaFe2+Si2O6
Ca CalciteCaCO3
Ca BustamiteCaMn2+(Si2O6)
Ca Calcite (var: Manganoan Calcite)(Ca,Mn)CO3
Ca AragoniteCaCO3
Ca Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
MnManganese
Mn BustamiteCaMn2+(Si2O6)
Mn RhodochrositeMnCO3
Mn Calcite (var: Manganoan Calcite)(Ca,Mn)CO3
FeIron
Fe PyriteFeS2
Fe PyrrhotiteFe7S8
Fe ChalcopyriteCuFeS2
Fe MagnetiteFe2+Fe23+O4
Fe ArsenopyriteFeAsS
Fe AndraditeCa3Fe23+(SiO4)3
Fe HedenbergiteCaFe2+Si2O6
Fe TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
Fe Epidote{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
CuCopper
Cu ChalcopyriteCuFeS2
Cu Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Cu TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
ZnZinc
Zn SphaleriteZnS
Zn TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
AsArsenic
As ArsenopyriteFeAsS
As Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
AgSilver
Ag SilverAg
Ag Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Ag AcanthiteAg2S
Ag PyrargyriteAg3SbS3
SbAntimony
Sb Polybasite[(Ag,Cu)6(Sb,As)2S7][Ag9CuS4]
Sb PyrargyriteAg3SbS3
Sb TetrahedriteCu6[Cu4(Fe,Zn)2]Sb4S13
PbLead
Pb GalenaPbS

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Paleogene - Middle Jurassic
23.03 - 174.1 Ma



ID: 3184214
Mesozoic-Cenozoic sedimentary rocks

Age: Phanerozoic (23.03 - 174.1 Ma)

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Cretaceous
66 - 145 Ma



ID: 2669821
Yojoa Group

Age: Cretaceous (66 - 145 Ma)

Stratigraphic Name: Cantarranas Formation; Atima Formation

Description: Consists of the Cantarranas Formation and Atima Formation. This is a sequence of calcareous marine rocks composed of well stratified massive shales, calcareous shales, calcarenites, marls, and dolomites. Outcrops of the Mochito Shale (green shales) are rare.

Comments: Sedimentary mixed, marine

Lithology: Calcareous shale, limestone, marl, dolomite

Reference: Wieczorek, G.F., W.L. Newell, P.G. Chirico, G.S. Gohn, R. Nardini, T. Putbrese. Preliminary digital geologic map database for Honduras. U.S. Geological Survey U.S. Geological Survey Open-File Report 98-774. [113]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Samson, I.M., Williams-Jones, A.E., Ault, K.M., Gagnon, J.E., and Fryer, B.J. (2008) Source of fluids forming distal Zn-Pb-Ag skarns: Evidence from laser ablation–inductively coupled plasma–mass spectrometry analysis of fluid inclusions from El Mochito, Honduras. Geology, 36(12), 947-950.
Williams-Jones, A.E., Samson, I.M., Ault, K.M., Gagnon, J.E., and Fryer, B. J. (2010) The genesis of distal zinc skarns: Evidence from the Mochito deposit, Honduras. Economic Geology, 105(8), 1411-1440.


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