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Balança Mine, Alcaria Ruiva, Mértola, Beja, Portugali
Regional Level Types
Balança MineMine
Alcaria Ruiva- not defined -
Mértola- not defined -
BejaDistrict
PortugalCountry

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Key
Latitude & Longitude (WGS84):
37° North , 7° West (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~12km
Locality type:
Name(s) in local language(s):
Mina do Cerro das Canas Frechas (Balança), Alcaria Ruiva, Mértola, Distrito de Beja, Portugal


Abandoned Mn mine (mining concession no. 62 registered on 12-10-1869)

Ocorrências de manganês ligadas a vulcanismo, estratiformes.
Geológia: lentículas e bandas de pirolusite e psilomelana, orientadas N55º W e 80º NE, sub-concordantes com as rochas encaixantes; em profundidade surgem a rodocrosite e a rodonite.
Encaixantes: jaspe, quartzitos, tufitos, xistos.
Zona do contacto do complexo vulcano-sedimentar com formação filito-quartzítica, sub-sector de Mértola-Albernoa.
in LNEG

Regions containing this locality

Eurasian PlateTectonic Plate
EuropeContinent
Iberian PeninsulaPeninsula

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


8 valid minerals.

Detailed Mineral List:

Hematite
Formula: Fe2O3
Reference: LNEG - Laboratório Nacional de Energia e Geologia, Siorminp database ID "648Mn"; Pedro Alves collection and analytical data.
Manganite
Formula: Mn3+O(OH)
Reference: LNEG - Laboratório Nacional de Energia e Geologia, Siorminp database ID "648Mn"
Opal
Formula: SiO2 · nH2O
Reference: Pedro Alves collection and analytical data.
'Psilomelane'
Formula: Mn, O
Reference: LNEG - Siorminp database information
Pyrite
Formula: FeS2
Reference: LNEG - Laboratório Nacional de Energia e Geologia, Siorminp database ID "648Mn"
Pyrolusite
Formula: Mn4+O2
Reference: IST Lisbon collection
Quartz
Formula: SiO2
Reference: LNEG - Laboratório Nacional de Energia e Geologia, Siorminp database ID "648Mn"
Quartz var: Jasper
Reference: Rui Nunes collection
Rhodochrosite
Formula: MnCO3
Reference: LNEG - Siorminp database information
Rhodonite
Formula: Mn2+SiO3
Reference: LNEG - Siorminp database information
'Wad'
Reference: LNEG - Laboratório Nacional de Energia e Geologia, Siorminp database ID "648Mn"

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
Hematite4.CB.05Fe2O3
Manganite4.FD.15Mn3+O(OH)
Opal4.DA.10SiO2 · nH2O
Pyrolusite4.DB.05Mn4+O2
Quartz4.DA.05SiO2
var: Jasper4.DA.05SiO2
Group 5 - Nitrates and Carbonates
Rhodochrosite5.AB.05MnCO3
Group 9 - Silicates
Rhodonite9.DK.05Mn2+SiO3
Unclassified Minerals, Rocks, etc.
'Psilomelane'-Mn, O
'Wad'-

List of minerals arranged by Dana 8th Edition classification

Group 2 - SULFIDES
AmBnXp, with (m+n):p = 1:2
Pyrite2.12.1.1FeS2
Group 4 - SIMPLE OXIDES
A2X3
Hematite4.3.1.2Fe2O3
AX2
Pyrolusite4.4.1.4Mn4+O2
Group 6 - HYDROXIDES AND OXIDES CONTAINING HYDROXYL
XO(OH)
Manganite6.1.3.1Mn3+O(OH)
Group 14 - ANHYDROUS NORMAL CARBONATES
A(XO3)
Rhodochrosite14.1.1.4MnCO3
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=5
Rhodonite65.4.1.1Mn2+SiO3
Group 75 - TECTOSILICATES Si Tetrahedral Frameworks
Si Tetrahedral Frameworks - SiO2 with [4] coordinated Si
Quartz75.1.3.1SiO2
Si Tetrahedral Frameworks - SiO2 with H2O and organics
Opal75.2.1.1SiO2 · nH2O
Unclassified Minerals, Mixtures, etc.
'Psilomelane'-Mn, O
Quartz
var: Jasper
-SiO2
'Wad'-

List of minerals for each chemical element

HHydrogen
H ManganiteMn3+O(OH)
H OpalSiO2 · nH2O
CCarbon
C RhodochrositeMnCO3
OOxygen
O PyrolusiteMn4+O2
O RhodoniteMn2+SiO3
O RhodochrositeMnCO3
O PsilomelaneMn, O
O HematiteFe2O3
O ManganiteMn3+O(OH)
O QuartzSiO2
O OpalSiO2 · nH2O
SiSilicon
Si RhodoniteMn2+SiO3
Si QuartzSiO2
Si OpalSiO2 · nH2O
SSulfur
S PyriteFeS2
MnManganese
Mn PyrolusiteMn4+O2
Mn RhodoniteMn2+SiO3
Mn RhodochrositeMnCO3
Mn PsilomelaneMn, O
Mn ManganiteMn3+O(OH)
FeIron
Fe HematiteFe2O3
Fe PyriteFeS2

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