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Incahuasi Mine, Salar del Hombre Muerto, Antofagasta de la Sierra Department, Catamarca Province, Argentinai
Regional Level Types
Incahuasi MineMine
Salar del Hombre Muerto- not defined -
Antofagasta de la Sierra DepartmentDepartment
Catamarca ProvinceProvince
ArgentinaCountry

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Latitude & Longitude (WGS84):
25° 25' 59'' South , 67° 10' 56'' West
Latitude & Longitude (decimal):
Locality type:
Köppen climate type:
Name(s) in local language(s):
Mina de oro Inca Huasi


Coordinates:
Latitude: 25º 25´ 59.60" South.
Longitude: 67º 10´ 56.24" West.
Elevation: 4070 meters over sea level.
Mining activity at Inca Huasi dates back to the pre-Hispanic and Jesuit periods, with modern mining techniques first used at the Inca Huasi mine from 1936 to 1954. During this period, a new Company Minera Incahuasi conducted a 40 tons per day operation exploiting a series of high-grade quartz veins, reportedly ranging from 9.8 g/t to 43 g/t gold, on six underground levels. High-grade gold values up to 300 g/t gold are reported from quartz veins within the deposit. Mining ceased at a depth of 130 meters in ore grade rocks, not due to a lack of gold bearing veins, but rather due to flooding which inhibited further mining efforts. At present is abandoned.

Incahuasi District
In the Incahuasi Sierra, Southern Puna, near Salar del Hombre Muerto, in the province of Catamarca, it is located an auriferous ore deposit with veins that was exploited by the indian natives (Incas) and Jesuits and, in an active form, between 1936 and 1954. It is considered a total production lower than 2.000 kg of gold, starting from high grade auriferous ore, higher than 20 g/t.
The ore deposit is of the banded type, with quartz veins and veinlets with gold and minor pyrite, arsenopyrite and chalcopyrite. The mineralized structures are emplaced in a pelitic and grauwackic sequence of Falda Ciénaga Formation. The sequence suffered alterations in its composition and texture, due to metamorphic diagenetic and hydrothermal processes. The area is affected by faults and fractures in two preferential systems: a north-south one and another one NE-SW. The deposit is associated with the N-S faulting that would have affected the Ordovician sequence during the Ocloyic Phase. The gold bearing quartz veins show lengths of some hundreds meters and thickness of few centimeters up to three meters. In general plunging to the east, with values higher than 45º.
It is considered that the gold source is related to the ordovician magmatism. It is considered that the regional metamorphism and the tectonic deformation facilitated the generation and migration of hydrothermal fluids bearing gold that gave as a result the formation of the deposits during the Upper Ordovician.

Regions containing this locality

South America PlateTectonic Plate
South AmericaContinent

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


9 valid minerals.

Detailed Mineral List:

Arsenopyrite
Formula: FeAsS
Reference: Raúl Tauber Larry´s collection
Chalcocite
Formula: Cu2S
Reference: Raúl Jorge Tauber Larry
Chalcopyrite
Formula: CuFeS2
Reference: Raúl Tauber Larry´s collection
Goethite
Formula: α-Fe3+O(OH)
Reference: Raúl Jorge Tauber Larry
Gold
Formula: Au
Reference: Raúl Tauber Larry´s collection
Lepidocrocite
Formula: γ-Fe3+O(OH)
Reference: Raúl Jorge Tauber Larry
'Limonite'
Formula: (Fe,O,OH,H2O)
Reference: Raúl Jorge Tauber Larry
Malachite
Formula: Cu2(CO3)(OH)2
Reference: Raúl Jorge Tauber Larry
Pyrite
Formula: FeS2
Reference: Raúl Tauber Larry´s collection
Quartz
Formula: SiO2
Reference: Raúl Tauber Larry´s collection
Quartz var: Chalcedony
Formula: SiO2
Reference: Raúl Jorge Tauber Larry´collection
Quartz var: Citrine
Formula: SiO2
Reference: Raúl Jorge Tauber Larry
Quartz var: Milky Quartz
Formula: SiO2
Reference: Raúl Jorge Tauber Larry
Quartz var: Rock Crystal
Formula: SiO2
Reference: Raúl Jorge Tauber Larry

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au
Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Chalcocite2.BA.05Cu2S
Chalcopyrite2.CB.10aCuFeS2
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Lepidocrocite4.FE.15γ-Fe3+O(OH)
Quartz4.DA.05SiO2
var: Chalcedony4.DA.05SiO2
var: Citrine4.DA.05SiO2
var: Milky Quartz4.DA.05SiO2
var: Rock Crystal4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Malachite5.BA.10Cu2(CO3)(OH)2
Unclassified Minerals, Rocks, etc.
'Limonite'-(Fe,O,OH,H2O)

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Gold1.1.1.1Au
Group 2 - SULFIDES
AmBnXp, with (m+n):p = 2:1
Chalcocite2.4.7.1Cu2S
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 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Lepidocrocite6.1.2.2γ-Fe3+O(OH)
Group 16a - ANHYDROUS CARBONATES CONTAINING HYDROXYL OR HALOGEN
Malachite16a.3.1.1Cu2(CO3)(OH)2
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
'Limonite'-(Fe,O,OH,H2O)
Quartz
var: Chalcedony
-SiO2
var: Citrine-SiO2
var: Milky Quartz-SiO2
var: Rock Crystal-SiO2

List of minerals for each chemical element

HHydrogen
H MalachiteCu2(CO3)(OH)2
H Limonite(Fe,O,OH,H2O)
H Goethiteα-Fe3+O(OH)
H Lepidocrociteγ-Fe3+O(OH)
CCarbon
C MalachiteCu2(CO3)(OH)2
OOxygen
O QuartzSiO2
O MalachiteCu2(CO3)(OH)2
O Limonite(Fe,O,OH,H2O)
O Quartz (var: Milky Quartz)SiO2
O Quartz (var: Rock Crystal)SiO2
O Quartz (var: Citrine)SiO2
O Goethiteα-Fe3+O(OH)
O Lepidocrociteγ-Fe3+O(OH)
O Quartz (var: Chalcedony)SiO2
SiSilicon
Si QuartzSiO2
Si Quartz (var: Milky Quartz)SiO2
Si Quartz (var: Rock Crystal)SiO2
Si Quartz (var: Citrine)SiO2
Si Quartz (var: Chalcedony)SiO2
SSulfur
S PyriteFeS2
S ChalcopyriteCuFeS2
S ArsenopyriteFeAsS
S ChalcociteCu2S
FeIron
Fe PyriteFeS2
Fe ChalcopyriteCuFeS2
Fe ArsenopyriteFeAsS
Fe Limonite(Fe,O,OH,H2O)
Fe Goethiteα-Fe3+O(OH)
Fe Lepidocrociteγ-Fe3+O(OH)
CuCopper
Cu ChalcopyriteCuFeS2
Cu MalachiteCu2(CO3)(OH)2
Cu ChalcociteCu2S
AsArsenic
As ArsenopyriteFeAsS
AuGold
Au GoldAu

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

Quaternary - Tertiary
0 - 66 Ma



ID: 3186221
Cenozoic volcanic rocks

Age: Cenozoic (0 - 66 Ma)

Lithology: Intermediate-felsic volcanic 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]

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)
O. E. González (1999). Mina Incahuasi, Catamarca. En: Recursos Minerales de la República Argentina. (Ed.): E.Zappettini. SEGEMAR. Anales 35: 515-520. Buenos Aires.
R. J. Tauber Larry (2002). Visita a la Mina Incahuasi, Salar del Hombre Muerto, Departamento Antofagasta de la Sierra, Catamarca, Argentina.
Dirección Provincial de Geología y Minería de la Provincia de Catamarca (1970). Padrón de Minas.


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