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Las Asperezas mine (Sarmiento deposit; Veta Sarmiento), Sierra de Cacho, Villa Castelli, General Lamadrid department, La Rioja Province, Argentina i
Regional Level Types
Las Asperezas mine (Sarmiento deposit; Veta Sarmiento) Mine
Sierra de Cacho Sierra
Villa Castelli Town
General Lamadrid department Department
La Rioja Province Province
Argentina Country

Regional Level Types
Las Asperezas mine (Sarmiento deposit; Veta Sarmiento)	Mine
Sierra de Cacho	Sierra
Villa Castelli	Town
General Lamadrid department	Department
La Rioja Province	Province
Argentina	Country

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Umangite, etc.

Las Asperezas mine, Sierra de Cacho, Villa Castelli, General Lamadrid department, La Rioja Province, Argentina

Umangite, etc.

Las Asperezas mine, Sierra de Cacho, Villa Castelli, General Lamadrid department, La Rioja Province, Argentina

Umangite, etc.

Las Asperezas mine, Sierra de Cacho, Villa Castelli, General Lamadrid department, La Rioja Province, Argentina

Latitude & Longitude (WGS84):

28° 55' 8'' South , 68° 41' 2'' West

Latitude & Longitude (decimal):

G#: 66z5mp3zm

Locality type:

Köppen climate type:

BWk : Cold desert climate

Nearest Settlements:

Place	Population	Distance
Vinchina	2,834 (2016)	49.7km

A very small mine worked for silver (mainly the mineral eucairite) during the 1880s. By the time the workings had reached a mere 8 meters deep, they had already yielded 115 kg of silver. By 1889, when Klockmann received the specimens from which he described the new species umangite, labelled as being from the "Sarmiento vein" (which Guerrero, based on old 19th-century correspondence, equated with Las Asperezas), the workings had reached 14 meters deep, where a 35 cm wide vein was comprised of 50% eucairite. Therefore most likely this mine is the true type locality for umangite.

Select Mineral List Type

Standard Detailed Gallery Strunz Dana Chemical Elements

Mineral List

ⓘ Klockmannite (TL)

10 valid minerals. 2 (TL) - type locality of valid minerals.

Detailed Mineral List:

ⓘ Berzelianite

Formula: Cu₂Se

ⓘ Calcite

Formula: CaCO₃

ⓘ Eucairite

Formula: AgCuSe

Reference: DE BRODTKORB, Milka K. Precious metaltellurides and other Te-bearing minerals in different paragenesis of Argentina: A review. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 365-372.; Paar, W. H., Putz, H., Topa, D., de Brodtkorb, M. K., & Sureda, R. J. (2005, January). Occurrence and paragenesis of tellurium in mineral deposits of Argentina. In Mineral Deposit Research: Meeting the Global Challenge (pp. 1419-1422). Springer Berlin Heidelberg.; Grundmann, G., & Förster, H. J. (2018). The Sierra de Cacheuta Vein-Type Se Mineralization, Mendoza Province, Argentina. Minerals, 8(4), 127.

ⓘ Fischesserite

Formula: Ag₃AuSe₂

Reference: DE BRODTKORB, Milka K. Precious metaltellurides and other Te-bearing minerals in different paragenesis of Argentina: A review. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 365-372.; Grundmann, G., & Förster, H. J. (2018). The Sierra de Cacheuta Vein-Type Se Mineralization, Mendoza Province, Argentina. Minerals, 8(4), 127.

ⓘ Gold

Formula: Au

Reference: DE BRODTKORB, Milka K. Precious metaltellurides and other Te-bearing minerals in different paragenesis of Argentina: A review. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 365-372.; Grundmann, G., & Förster, H. J. (2018). The Sierra de Cacheuta Vein-Type Se Mineralization, Mendoza Province, Argentina. Minerals, 8(4), 127.

ⓘ Klockmannite (TL)

Formula: CuSe

Type Locality:

Reference: Ramdohr, P. (1928) Klockmannit, ein natürliches Kupferselenid. Centralblatt für Mineralogie A, 225- 232 (as "Sierra de Umango"); Earley, J.W. (1949) American Mineralogist, 34, 435ff (as "Sierra de Umango"); DE BRODTKORB, Milka K. Precious metaltellurides and other Te-bearing minerals in different paragenesis of Argentina: A review. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 365-372.; Paar, W. H., Putz, H., Topa, D., de Brodtkorb, M. K., & Sureda, R. J. (2005, January). Occurrence and paragenesis of tellurium in mineral deposits of Argentina. In Mineral Deposit Research: Meeting the Global Challenge (pp. 1419-1422). Springer Berlin Heidelberg.

ⓘ Merenskyite

Formula: PdTe₂

Reference: DE BRODTKORB, Milka K. Precious metaltellurides and other Te-bearing minerals in different paragenesis of Argentina: A review. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 365-372.; Paar, W.H., Topa, D., Sureda, R.J., Stumpfl, E. and Mühlhans, H. (2004) Merenskyita, PdTe2, en las menas de selenio, cobre y plata de la mina Las Asperezas, distrito minero Sierra de Umango, provincia de La Rioja, Argentina. 7th Congreso de Mineralogía y Metalogenia, Actas, 113-118, Buenos Aires.; Paar, W. H., Putz, H., Topa, D., de Brodtkorb, M. K., & Sureda, R. J. (2005, January). Occurrence and paragenesis of tellurium in mineral deposits of Argentina. In Mineral Deposit Research: Meeting the Global Challenge (pp. 1419-1422). Springer Berlin Heidelberg.

ⓘ Naumannite

Formula: Ag₂Se

Reference: DE BRODTKORB, Milka K. Precious metaltellurides and other Te-bearing minerals in different paragenesis of Argentina: A review. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 365-372.; Grundmann, G., & Förster, H. J. (2018). The Sierra de Cacheuta Vein-Type Se Mineralization, Mendoza Province, Argentina. Minerals, 8(4), 127.

ⓘ Selenium

Formula: Se

Reference: Grundmann, G., & Förster, H. J. (2018). The Sierra de Cacheuta Vein-Type Se Mineralization, Mendoza Province, Argentina. Minerals, 8(4), 127.

Umangite, etc.

Las Asperezas mine, Sierra de Cacho, Villa Castelli, General Lamadrid department, La Rioja Province, Argentina

ⓘ Umangite (TL)

Formula: Cu₃Se₂

Type Locality:

Reference: O. Kempff, W.H. Paar, S. Tawackoli (2009) Minerales de Bolivia, p. 34.; DE BRODTKORB, Milka K. Precious metaltellurides and other Te-bearing minerals in different paragenesis of Argentina: A review. Rev. Asoc. Geol. Argent. [online]. 2009, vol.64, n.3, pp. 365-372.; Paar, W. H., Putz, H., Topa, D., de Brodtkorb, M. K., & Sureda, R. J. (2005, January). Occurrence and paragenesis of tellurium in mineral deposits of Argentina. In Mineral Deposit Research: Meeting the Global Challenge (pp. 1419-1422). Springer Berlin Heidelberg.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Gold	1.AA.05	Au
ⓘ	Selenium	1.CC.10	Se
Group 2 - Sulphides and Sulfosalts
ⓘ	Berzelianite	2.BA.20	Cu₂Se
ⓘ	Eucairite	2.BA.50	AgCuSe
ⓘ	Fischesserite	2.BA.75	Ag₃AuSe₂
ⓘ	Klockmannite (TL)	2.CA.05b	CuSe
ⓘ	Merenskyite	2.EA.20	PdTe₂
ⓘ	Naumannite	2.BA.55	Ag₂Se
ⓘ	Umangite (TL)	2.BA.25	Cu₃Se₂
Group 5 - Nitrates and Carbonates
ⓘ	Calcite	5.AB.05	CaCO₃

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
ⓘ	Gold	1.1.1.1	Au
Semi-metals and non-metals
ⓘ	Selenium	1.3.4.1	Se
Group 2 - SULFIDES
A_mB_nX_p, with (m+n):p = 2:1
ⓘ	Berzelianite	2.4.10.1	Cu₂Se
ⓘ	Eucairite	2.4.6.2	AgCuSe
ⓘ	Fischesserite	2.4.3.2	Ag₃AuSe₂
ⓘ	Naumannite	2.4.1.2	Ag₂Se
A_mB_nX_p, with (m+n):p = 3:2
ⓘ	Umangite (TL)	2.5.1.1	Cu₃Se₂
A_mX_p, with m:p = 1:1
ⓘ	Klockmannite (TL)	2.8.12.2	CuSe
A_mB_nX_p, with (m+n):p = 1:2
ⓘ	Merenskyite	2.12.14.4	PdTe₂
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO₃)
ⓘ	Calcite	14.1.1.1	CaCO₃

List of minerals for each chemical element

C	Carbon
C	ⓘ Calcite	CaCO₃
O	Oxygen
O	ⓘ Calcite	CaCO₃
Ca	Calcium
Ca	ⓘ Calcite	CaCO₃
Cu	Copper
Cu	ⓘ Umangite	Cu₃Se₂
Cu	ⓘ Klockmannite	CuSe
Cu	ⓘ Eucairite	AgCuSe
Cu	ⓘ Berzelianite	Cu₂Se
Se	Selenium
Se	ⓘ Umangite	Cu₃Se₂
Se	ⓘ Klockmannite	CuSe
Se	ⓘ Eucairite	AgCuSe
Se	ⓘ Naumannite	Ag₂Se
Se	ⓘ Fischesserite	Ag₃AuSe₂
Se	ⓘ Berzelianite	Cu₂Se
Se	ⓘ Selenium	Se
Pd	Palladium
Pd	ⓘ Merenskyite	PdTe₂
Ag	Silver
Ag	ⓘ Eucairite	AgCuSe
Ag	ⓘ Naumannite	Ag₂Se
Ag	ⓘ Fischesserite	Ag₃AuSe₂
Te	Tellurium
Te	ⓘ Merenskyite	PdTe₂
Au	Gold
Au	ⓘ Fischesserite	Ag₃AuSe₂
Au	ⓘ Gold	Au

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)

Guerrero, M.A. (1969) Estudio geológico-económico y prospección geoquímica orientativa del Distrito Minero Cerro Cacho – Sierra de Umango. Dirección Nacional de Geología y Minería, (inédito), 171 pages, Buenos Aires.

Paar, W.H., Topa, D., Sureda, R.J., Stumpfl, E., Mühlhans, H. (2004) Merenskyita, PdTe2, en las menas de selenio, cobre y plata de la mina Las Asperezas, distrito minero Sierra de Umango, provincia de La Rioja, Argentina. 7th Congreso de Mineralogía y Metalogenia, Actas: 113-118, Buenos Aires.

Other Regions, Features and Areas containing this locality

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