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Roudný deposit, Benešov District, Central Bohemian Region, Czech Republici
Regional Level Types
Roudný depositDeposit
Benešov DistrictDistrict
Central Bohemian RegionRegion
Czech RepublicCountry

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PhotosMapsSearch
01762850014946357187019.jpg
Dumps near Aleška (Albert) pit

Roudný deposit, Benešov District, Central Bohemian Region, Czech Republic
01922960015781652594716.jpg
Propadliny

Roudný deposit, Benešov District, Central Bohemian Region, Czech Republic
06027990015781652595118.jpg
View of the Roudný gold mining area, ca. 1910.

Roudný deposit, Benešov District, Central Bohemian Region, Czech Republic
01762850014946357187019.jpg
Dumps near Aleška (Albert) pit

Roudný deposit, Benešov District, Central Bohemian Region, Czech Republic
04892150014962654871333.jpg
Propadliny

Roudný deposit, Benešov District, Central Bohemian Region, Czech Republic
06027990015781652595118.jpg
View of the Roudný gold mining area, ca. 1910.

Roudný deposit, Benešov District, Central Bohemian Region, Czech Republic
01762850014946357187019.jpg
Dumps near Aleška (Albert) pit

Roudný deposit, Benešov District, Central Bohemian Region, Czech Republic
02509110015781652607094.jpg
Propadliny

Roudný deposit, Benešov District, Central Bohemian Region, Czech Republic
Latitude & Longitude (WGS84):
49° 36' 56'' North , 14° 48' 36'' East
Latitude & Longitude (decimal):
49.61558,14.81015
GeoHash:
G#: u2fd300rt
GRN:
N34E07
Type:
Deposit
Köppen climate type:
Cfb : Temperate oceanic climate
Nearest Settlements:
PlacePopulationDistance
Zvěstov385 (2018)2.3km
Zlaté Hory164 (2018)3.0km
Louňovice pod Blaníkem679 (2018)3.6km
Ratměřice255 (2018)5.0km
Šebířov392 (2018)5.6km
Mindat Locality ID:
106533
Long-form identifier:
mindat:1:2:106533:9
GUID (UUID V4):
7d5495a7-cd2f-4c16-8729-663785db9abd


The Roudný gold deposit is an irregular stockwork grading into impregnation ores. It dips steeply (45-50º) to the northwest. Overall thickness is up to 20 m, but minable thickness was about 2-6 m. The orebody was confirmed extending to a depth of 510 m but probably goes much deeper.
Rich parts of the deposit were mostly situated close to tectonic structures (faults); the mineralization is hosted by a large-scale NNE-SSW trending fault zone (the Blanice Graben).

Largest gold content of ore sample was 10334.2 g/t, but the average was between 4 and 25 g/t.
The major mineral of the ore veins was quartz accompanied by arsenopyrite, pyrite and gold (65.2-66.7 % Au).

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


29 valid minerals.

Detailed Mineral List:

ⓘ Actinolite
Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘ Albite
Formula: Na(AlSi3O8)
ⓘ Albite var. Andesine
Formula: (Na,Ca)[Al(Si,Al)Si2O8]
ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Baryte
Formula: BaSO4
ⓘ Calcite
Formula: CaCO3
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ 'Chlorite Group'
ⓘ Clinozoisite
Formula: (CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘ Dolomite
Formula: CaMg(CO3)2
ⓘ Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘ Epsomite
Formula: MgSO4 · 7H2O
ⓘ Fluorite
Formula: CaF2
ⓘ Galena
Formula: PbS
ⓘ Gold
Formula: Au
ⓘ Gold var. Electrum
Formula: (Au,Ag)
ⓘ Greenockite
Formula: CdS
ⓘ Grossular
Formula: Ca3Al2(SiO4)3
ⓘ Gypsum
Formula: CaSO4 · 2H2O
ⓘ Jarosite
Formula: KFe3+3(SO4)2(OH)6
ⓘ Kaolinite
Formula: Al2(Si2O5)(OH)4
ⓘ 'Limonite'
ⓘ Malachite
Formula: Cu2(CO3)(OH)2
ⓘ Marcasite
Formula: FeS2
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Opal
Formula: SiO2 · nH2O
ⓘ Palygorskite
Formula: (Mg,Al)2Si4O10(OH) · 4H2O
ⓘ Pitticite
Formula: (Fe, AsO4, H2O) (?)
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrite var. Arsenic-bearing Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Quartz var. Chalcedony
Formula: SiO2
ⓘ Schorl
Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
ⓘ Siderite
Formula: FeCO3
ⓘ Sphalerite
Formula: ZnS
ⓘ 'Tetrahedrite Subgroup'
Formula: Cu6(Cu4C2+2)Sb4S12S

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘGold1.AA.05Au
ⓘvar. Electrum1.AA.05(Au,Ag)
Group 2 - Sulphides and Sulfosalts
ⓘArsenopyrite2.EB.20FeAsS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘGalena2.CD.10PbS
ⓘGreenockite2.CB.45CdS
ⓘMarcasite2.EB.10aFeS2
ⓘPyrite2.EB.05aFeS2
ⓘvar. Arsenic-bearing Pyrite2.EB.05aFeS2
ⓘSphalerite2.CB.05aZnS
ⓘ'Tetrahedrite Subgroup'2.GB.05Cu6(Cu4C2+2)Sb4S12S
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘOpal4.DA.10SiO2 · nH2O
ⓘQuartz4.DA.05SiO2
ⓘvar. Chalcedony4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘDolomite5.AB.10CaMg(CO3)2
ⓘMalachite5.BA.10Cu2(CO3)(OH)2
ⓘSiderite5.AB.05FeCO3
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘBaryte7.AD.35BaSO4
ⓘEpsomite7.CB.40MgSO4 · 7H2O
ⓘGypsum7.CD.40CaSO4 · 2H2O
ⓘJarosite7.BC.10KFe3+3(SO4)2(OH)6
Group 8 - Phosphates, Arsenates and Vanadates
ⓘPitticite8.DB.05(Fe, AsO4, H2O) (?)
Group 9 - Silicates
ⓘActinolite9.DE.10◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
ⓘAlbite9.FA.35Na(AlSi3O8)
ⓘvar. Andesine9.FA.35(Na,Ca)[Al(Si,Al)Si2O8]
ⓘClinozoisite9.BG.05a(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
ⓘEpidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
ⓘGrossular9.AD.25Ca3Al2(SiO4)3
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘPalygorskite9.EE.20(Mg,Al)2Si4O10(OH) · 4H2O
ⓘSchorl9.CK.05NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Unclassified Minerals, Rocks, etc.
ⓘ'Chlorite Group'-
ⓘ'Limonite'-

List of minerals for each chemical element

HHydrogen
Hⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Hⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Hⓘ EpsomiteMgSO4 · 7H2O
Hⓘ JarositeKFe33+(SO4)2(OH)6
Hⓘ KaoliniteAl2(Si2O5)(OH)4
Hⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Hⓘ MalachiteCu2(CO3)(OH)2
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ OpalSiO2 · nH2O
Hⓘ Palygorskite(Mg,Al)2Si4O10(OH) · 4H2O
Hⓘ Pitticite(Fe, AsO4, H2O) (?)
Hⓘ GypsumCaSO4 · 2H2O
Hⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
BBoron
Bⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
Cⓘ DolomiteCaMg(CO3)2
Cⓘ CalciteCaCO3
Cⓘ MalachiteCu2(CO3)(OH)2
Cⓘ SideriteFeCO3
OOxygen
Oⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Oⓘ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Oⓘ BaryteBaSO4
Oⓘ DolomiteCaMg(CO3)2
Oⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Oⓘ EpsomiteMgSO4 · 7H2O
Oⓘ GrossularCa3Al2(SiO4)3
Oⓘ Quartz var. ChalcedonySiO2
Oⓘ JarositeKFe33+(SO4)2(OH)6
Oⓘ CalciteCaCO3
Oⓘ KaoliniteAl2(Si2O5)(OH)4
Oⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Oⓘ QuartzSiO2
Oⓘ MalachiteCu2(CO3)(OH)2
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ OpalSiO2 · nH2O
Oⓘ Palygorskite(Mg,Al)2Si4O10(OH) · 4H2O
Oⓘ Pitticite(Fe, AsO4, H2O) (?)
Oⓘ GypsumCaSO4 · 2H2O
Oⓘ SideriteFeCO3
Oⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Oⓘ AlbiteNa(AlSi3O8)
FFluorine
Fⓘ FluoriteCaF2
NaSodium
Naⓘ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Naⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Naⓘ AlbiteNa(AlSi3O8)
MgMagnesium
Mgⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Mgⓘ DolomiteCaMg(CO3)2
Mgⓘ EpsomiteMgSO4 · 7H2O
Mgⓘ Palygorskite(Mg,Al)2Si4O10(OH) · 4H2O
AlAluminium
Alⓘ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Alⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Alⓘ GrossularCa3Al2(SiO4)3
Alⓘ KaoliniteAl2(Si2O5)(OH)4
Alⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Palygorskite(Mg,Al)2Si4O10(OH) · 4H2O
Alⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Alⓘ AlbiteNa(AlSi3O8)
SiSilicon
Siⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Siⓘ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Siⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Siⓘ GrossularCa3Al2(SiO4)3
Siⓘ Quartz var. ChalcedonySiO2
Siⓘ KaoliniteAl2(Si2O5)(OH)4
Siⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Siⓘ QuartzSiO2
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ OpalSiO2 · nH2O
Siⓘ Palygorskite(Mg,Al)2Si4O10(OH) · 4H2O
Siⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Siⓘ AlbiteNa(AlSi3O8)
SSulfur
Sⓘ ArsenopyriteFeAsS
Sⓘ BaryteBaSO4
Sⓘ EpsomiteMgSO4 · 7H2O
Sⓘ GalenaPbS
Sⓘ GreenockiteCdS
Sⓘ ChalcopyriteCuFeS2
Sⓘ JarositeKFe33+(SO4)2(OH)6
Sⓘ MarcasiteFeS2
Sⓘ PyriteFeS2
Sⓘ GypsumCaSO4 · 2H2O
Sⓘ SphaleriteZnS
Sⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
Sⓘ Pyrite var. Arsenic-bearing PyriteFeS2
KPotassium
Kⓘ JarositeKFe33+(SO4)2(OH)6
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
Caⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Caⓘ Albite var. Andesine(Na,Ca)[Al(Si,Al)Si2O8]
Caⓘ DolomiteCaMg(CO3)2
Caⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Caⓘ FluoriteCaF2
Caⓘ GrossularCa3Al2(SiO4)3
Caⓘ CalciteCaCO3
Caⓘ Clinozoisite(CaCa)(AlAlAl)O[Si2O7][SiO4](OH)
Caⓘ GypsumCaSO4 · 2H2O
FeIron
Feⓘ Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Feⓘ ArsenopyriteFeAsS
Feⓘ Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Feⓘ ChalcopyriteCuFeS2
Feⓘ JarositeKFe33+(SO4)2(OH)6
Feⓘ MarcasiteFeS2
Feⓘ Pitticite(Fe, AsO4, H2O) (?)
Feⓘ PyriteFeS2
Feⓘ SideriteFeCO3
Feⓘ SchorlNaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Feⓘ Pyrite var. Arsenic-bearing PyriteFeS2
CuCopper
Cuⓘ ChalcopyriteCuFeS2
Cuⓘ MalachiteCu2(CO3)(OH)2
Cuⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ ArsenopyriteFeAsS
Asⓘ Pitticite(Fe, AsO4, H2O) (?)
AgSilver
Agⓘ Gold var. Electrum(Au,Ag)
CdCadmium
Cdⓘ GreenockiteCdS
SbAntimony
Sbⓘ Tetrahedrite SubgroupCu6(Cu4C22+)Sb4S12S
BaBarium
Baⓘ BaryteBaSO4
AuGold
Auⓘ Gold var. Electrum(Au,Ag)
Auⓘ GoldAu
PbLead
Pbⓘ GalenaPbS

Other Regions, Features and Areas containing this locality

Czech Republic
CzechoslovakiaCountry
Eurasian PlateTectonic Plate
EuropeContinent

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Zemek, V. (2001) Zlatodůl Roudný u Vlašimi. Pod Blaníkem, 5. samostatná příloha, 2001: Podblanické ekocentrum Českého svazu ochránců přírody a Muzeum okresu Benešov, 108 pages.
Filippi M., Goliáš V., Pertold Z. (2004) Arsenic in contaminated soils and anthropogenic deposits at the Mokrsko, Roudný, and Kašperské Hory gold deposits, Bohemian Massif (CZ). Environmental Geology: 45(5): 716-730.
Zachariáš, Jiří, Hübst, Zdeněk (2012) Structural evolution of the Roudný gold deposit, Bohemian Massif: a combination of paleostress analysis and review of historical documents. Journal of Geosciences: 57: 87-103.
opac.geologie.ac.at (2023) http://opac.geologie.ac.at/wwwopacx/wwwopac.ashx?command=getcontent&server=images&value=BR0087_108_A.pdf
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