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Descuido mine, Barranco Hondo, Pechina, Sierra Alhamilla, Almería, Andalusia, Spaini
Regional Level Types
Descuido mineMine
Barranco Hondo- not defined -
Pechina- not defined -
Sierra AlhamillaSierra
Almería- not defined -
AndalusiaAutonomous Community
SpainCountry

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Latitude & Longitude (WGS84):
36° 57' 54'' North , 2° 33' 21'' West
Latitude & Longitude (decimal):
Locality type:
Nearest Settlements:
PlacePopulationDistance
Alhama de Almería3,374 (2012)1.4km
Santa Fe de Mondújar429 (2012)2.5km
Alhabia681 (2012)3.9km
Alicún251 (2012)4.1km
Terque447 (2012)4.2km


Iron deposit, formed by a reef of barite and hematite as minerals more abundant, and calcite, aragonite, gypsum, magnesite, jarosite, amarantite, arsenopyrite, conicalcite, scorodite, metaheinrichite, sklodowskite, natrouranospinite, quartz, and others (analyses pending), as species occurring in minor amounts.

The Baños de Sierra Alhamilla, belongs to the Pechina term, province of Almeria. Locating a large number of mines around it, in which the iron was used to transport it, along with other nearby places by cable and railroad, to a station that was below Los Baños and from here by rail to Almeria.

It was one of the most important mines in the area of ​​Baños de Sierra Alhamilla, with a railroad from the mine at its lower exit to the hopper located in the baths, where it joined with the rest of the ore extracted in the neighboring concessions.

Access to the mine is done from Los Baños, along the road that goes up the mountain to the hopper and from there, follow the railroad track. Since the bocamina where they removed the material is blinded it is necessary to follow upwards looking for the mouth that is in a small ravine, although it can be acceded by two entrances that are above, one of them in the crossing of the ravine with the road.

The iron mineral, motive of the exploitation, is composed of oxides of this element (hematite / goethite), in some points are seen remains of what was siderite.



Mina "El Descuido" Barranco Hondo, Sierra Alhamilla, Pechina (Almería)

Coordenadas WGS84:  36º 57' 54'' N - 2º 23' 22'' W

Yacimiento de hierro, formado por un filón de hematites con barita como minerales mas abundantes y calcita, aragonito, yeso, magnesita, jarosita, amarantita, arsenopirita, conicalcita, escorodita, metaheinrichita, sklodowskita, natrouranoespinita, cuarzo, otros pendientes de analizar, como especies minoritarias.

Los Baños de Sierra Alhamilla, pertenece al término de Pechina, provincia de Almería. Localizándose un número elevado de minas a su alrededor, en las que se explotaba el hierro que lo trasladaban, junto al procedente de otros lugares cercanos por cable y ferrocarril, hasta una estación que había debajo de Los Baños y de aquí en ferrocarril hasta Almería.

Fué una de las minas mas importantes de la zona de los Baños de Sierra Alhamilla, contando con un ferrocarril desde la mina en su salida inferior hasta la tolva situada en los baños, donde se unía al resto del mineral extraido en las concesiones vecinas.

El acceso a la mina se hace desde los Baños, por el camino que sube a la sierra hasta la tolva y desde ahí, seguir el carril del ferrocarril. Dado que la bocamina por donde sacaban el material está cegada hay que seguir mas arriba buscando la boca que hay en un pequeño barranco, aunque se puede acceder por dos entradas que hay mas arriba, una de ellas en el cruce del barranco con el camino.

El mineral de hierro, motivo de la explotación, está compuesto de óxidos de este elemento (hematites/goethita), en algunos puntos se ven restos de lo que fue siderita.

José Miguel Sola


Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Iberian PeninsulaPeninsula

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


18 valid minerals.

Detailed Mineral List:

Amarantite
Formula: Fe3+2(SO4)2O · 7H2O
Reference: José Miguel Sola Collection
Aragonite
Formula: CaCO3
Reference: José Miguel Sola collection
Arsenopyrite
Formula: FeAsS
Reference: Arrufat, L., Alías, M.A., Guillén, F. y Rosillo, J.F. (2015). Presencia de minerales de uranio en Almería (Cordillera bética). Macla (20), 23-24.
Baryte
Formula: BaSO4
Reference: Calvo, Miguel. (2014). Minerales y Minas de España. Vol. VI. Sulfatos (Seleniatos, Teluratos), Cromatos, Molibdatos y Wolframatos. Escuela Técnica Superior de Ingenieros de Minas de Madrid. Fundación Gómez Pardo. 653 págs.
Calcite
Formula: CaCO3
Reference: Arrufat, L., Alías, M.A., Guillén, F. y Rosillo, J.F. (2015). Presencia de minerales de uranio en Almería (Cordillera bética). Macla (20), 23-24.
Chalcopyrite
Formula: CuFeS2
Reference: Arrufat, L., Alías, M.A., Guillén, F. y Rosillo, J.F. (2015). Presencia de minerales de uranio en Almería (Cordillera bética). Macla (20), 23-24.
Conichalcite
Formula: CaCu(AsO4)(OH)
Reference: José Miguel Sola collection
Goethite
Formula: α-Fe3+O(OH)
Reference: Arrufat, L., Alías, M.A., Guillén, F. y Rosillo, J.F. (2015). Presencia de minerales de uranio en Almería (Cordillera bética). Macla (20), 23-24.
Gypsum
Formula: CaSO4 · 2H2O
Reference: Arrufat, L., Alías, M.A., Guillén, F. y Rosillo, J.F. (2015). Presencia de minerales de uranio en Almería (Cordillera bética). Macla (20), 23-24.
Hematite
Formula: Fe2O3
Reference: Arrufat, L., Alías, M.A., Guillén, F. y Rosillo, J.F. (2015). Presencia de minerales de uranio en Almería (Cordillera bética). Macla (20), 23-24.
Jarosite
Formula: KFe3+ 3(SO4)2(OH)6
Reference: José Miguel Sola collection
Magnesite
Formula: MgCO3
Reference: José Miguel Sola collection
Metaheinrichite
Formula: Ba(UO2)2(AsO4)2 · 8H2O
Reference: Arrufat, L., Alías, M.A., Guillén, F. y Rosillo, J.F. (2015). Presencia de minerales de uranio en Almería (Cordillera bética). Macla (20), 23-24.
Pyrite
Formula: FeS2
Reference: Arrufat, L., Alías, M.A., Guillén, F. y Rosillo, J.F. (2015). Presencia de minerales de uranio en Almería (Cordillera bética). Macla (20), 23-24.
Quartz
Formula: SiO2
Reference: Arrufat, L., Alías, M.A., Guillén, F. y Rosillo, J.F. (2015). Presencia de minerales de uranio en Almería (Cordillera bética). Macla (20), 23-24.
Scorodite
Formula: Fe3+AsO4 · 2H2O
Reference: Arrufat, L., Alías, M.A., Guillén, F. y Rosillo, J.F. (2015). Presencia de minerales de uranio en Almería (Cordillera bética). Macla (20), 23-24.
Siderite
Formula: FeCO3
Reference: Arrufat, L., Alías, M.A., Guillén, F. y Rosillo, J.F. (2015). Presencia de minerales de uranio en Almería (Cordillera bética). Macla (20), 23-24.
Sklodowskite
Formula: Mg(UO2)2(SiO3OH)2 · 6H2O
Reference: Arrufat, L., Alías, M.A., Guillén, F. y Rosillo, J.F. (2017) Revisión sobre la Presencia de Minerales de Uranio en Almería: Determinación de Sklodowskita, Macla (22), 14-15.

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Arsenopyrite2.EB.20FeAsS
Chalcopyrite2.CB.10aCuFeS2
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Goethite4.00.α-Fe3+O(OH)
Hematite4.CB.05Fe2O3
Quartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Aragonite5.AB.15CaCO3
Calcite5.AB.05CaCO3
Magnesite5.AB.05MgCO3
Siderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Amarantite7.DB.30Fe3+2(SO4)2O · 7H2O
Baryte7.AD.35BaSO4
Gypsum7.CD.40CaSO4 · 2H2O
Jarosite7.BC.10KFe3+ 3(SO4)2(OH)6
Group 8 - Phosphates, Arsenates and Vanadates
Conichalcite8.BH.35CaCu(AsO4)(OH)
Metaheinrichite8.EB.10Ba(UO2)2(AsO4)2 · 8H2O
Scorodite8.CD.10Fe3+AsO4 · 2H2O
Group 9 - Silicates
Sklodowskite9.AK.10Mg(UO2)2(SiO3OH)2 · 6H2O

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
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 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Goethite6.1.1.2α-Fe3+O(OH)
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Calcite14.1.1.1CaCO3
Magnesite14.1.1.2MgCO3
Siderite14.1.1.3FeCO3
Group 28 - ANHYDROUS ACID AND NORMAL SULFATES
AXO4
Baryte28.3.1.1BaSO4
Group 29 - HYDRATED ACID AND NORMAL SULFATES
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O
Group 30 - ANHYDROUS SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Jarosite30.2.5.1KFe3+ 3(SO4)2(OH)6
Group 31 - HYDRATED SULFATES CONTAINING HYDROXYL OR HALOGEN
(AB)(XO4)Zq·xH2O
Amarantite31.9.3.1Fe3+2(SO4)2O · 7H2O
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Metaheinrichite40.2a.4.2Ba(UO2)2(AsO4)2 · 8H2O
(AB)5(XO4)2·xH2O
Scorodite40.4.1.3Fe3+AsO4 · 2H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Conichalcite41.5.1.2CaCu(AsO4)(OH)
Group 53 - NESOSILICATES Insular SiO4 Groups and Other Anions or Complex Cations
Insular SiO4 Groups and Other Anions of Complex Cations with (UO2)
Sklodowskite53.3.1.3Mg(UO2)2(SiO3OH)2 · 6H2O
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Unclassified Minerals, Mixtures, etc.
Aragonite-CaCO3

List of minerals for each chemical element

HHydrogen
H SklodowskiteMg(UO2)2(SiO3OH)2 · 6H2O
H AmarantiteFe23+(SO4)2O · 7H2O
H MetaheinrichiteBa(UO2)2(AsO4)2 · 8H2O
H ScoroditeFe3+AsO4 · 2H2O
H Goethiteα-Fe3+O(OH)
H GypsumCaSO4 · 2H2O
H JarositeKFe3+ 3(SO4)2(OH)6
H ConichalciteCaCu(AsO4)(OH)
CCarbon
C SideriteFeCO3
C CalciteCaCO3
C MagnesiteMgCO3
C AragoniteCaCO3
OOxygen
O SklodowskiteMg(UO2)2(SiO3OH)2 · 6H2O
O AmarantiteFe23+(SO4)2O · 7H2O
O MetaheinrichiteBa(UO2)2(AsO4)2 · 8H2O
O HematiteFe2O3
O SideriteFeCO3
O BaryteBaSO4
O CalciteCaCO3
O QuartzSiO2
O ScoroditeFe3+AsO4 · 2H2O
O Goethiteα-Fe3+O(OH)
O GypsumCaSO4 · 2H2O
O JarositeKFe3+ 3(SO4)2(OH)6
O MagnesiteMgCO3
O ConichalciteCaCu(AsO4)(OH)
O AragoniteCaCO3
MgMagnesium
Mg SklodowskiteMg(UO2)2(SiO3OH)2 · 6H2O
Mg MagnesiteMgCO3
SiSilicon
Si SklodowskiteMg(UO2)2(SiO3OH)2 · 6H2O
Si QuartzSiO2
SSulfur
S AmarantiteFe23+(SO4)2O · 7H2O
S ArsenopyriteFeAsS
S ChalcopyriteCuFeS2
S PyriteFeS2
S BaryteBaSO4
S GypsumCaSO4 · 2H2O
S JarositeKFe3+ 3(SO4)2(OH)6
KPotassium
K JarositeKFe3+ 3(SO4)2(OH)6
CaCalcium
Ca CalciteCaCO3
Ca GypsumCaSO4 · 2H2O
Ca ConichalciteCaCu(AsO4)(OH)
Ca AragoniteCaCO3
FeIron
Fe AmarantiteFe23+(SO4)2O · 7H2O
Fe ArsenopyriteFeAsS
Fe ChalcopyriteCuFeS2
Fe HematiteFe2O3
Fe PyriteFeS2
Fe SideriteFeCO3
Fe ScoroditeFe3+AsO4 · 2H2O
Fe Goethiteα-Fe3+O(OH)
Fe JarositeKFe3+ 3(SO4)2(OH)6
CuCopper
Cu ChalcopyriteCuFeS2
Cu ConichalciteCaCu(AsO4)(OH)
AsArsenic
As MetaheinrichiteBa(UO2)2(AsO4)2 · 8H2O
As ArsenopyriteFeAsS
As ScoroditeFe3+AsO4 · 2H2O
As ConichalciteCaCu(AsO4)(OH)
BaBarium
Ba MetaheinrichiteBa(UO2)2(AsO4)2 · 8H2O
Ba BaryteBaSO4
UUranium
U SklodowskiteMg(UO2)2(SiO3OH)2 · 6H2O
U MetaheinrichiteBa(UO2)2(AsO4)2 · 8H2O

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

Miocene
5.333 - 23.03 Ma



ID: 3187855
Cenozoic sedimentary rocks

Age: Miocene (5.333 - 23.03 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]

Messinian
5.333 - 7.246 Ma



ID: 2506139

Age: Miocene (5.333 - 7.246 Ma)

Description: Conglomerate, sand, reefs, yellow silt, gypsum and haloids. Conglomerate, sand and limestone

Lithology: Sandstone, conglomerate, clay; limestone and evaporites

Reference: Mapa Geológico de la Península Ibérica, Baleares y Canarias a escala 1:1.000.000. Instituto Geológico y Minero de España. [77]

Miocene
5.333 - 23.03 Ma



ID: 3141015
continental molasse

Age: Miocene (5.333 - 23.03 Ma)

Lithology: Major:{marl}, Minor{conglomerate,limestone,gypsum}

Reference: Asch, K. The 1:5M International Geological Map of Europe and Adjacent Areas: Development and Implementation of a GIS-enabled Concept. Geologisches Jahrbuch, SA 3. [147]

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)
Arrufat, L., Alías, M.A., Guillén, F. y Rosillo, J.F. (2015). Presencia de minerales de uranio en Almería (Cordillera bética). Macla (20), 23-24.
Arrufat, L., Alías, M.A., Guillén, F. y Rosillo, J.F. (2017).Revisión sobre la Presencia de Minerales de Uranio en Almería: Determinación de Sklodowskita , Macla (22), 14-15.

External Links



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