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Obří důl, Pec pod Sněžkou, Trutnov District, Hradec Králové Region, Czech Republici
Regional Level Types
Obří důlValley
Pec pod SněžkouMunicipality
Trutnov DistrictDistrict
Hradec Králové RegionRegion
Czech RepublicCountry

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Latitude & Longitude (WGS84):
50° 42' 56'' North , 15° 43' 24'' East
Latitude & Longitude (decimal):
Type:
Mindat Locality ID:
18469
Long-form identifier:
mindat:1:2:18469:7
GUID (UUID V4):
4eb51183-7931-4d65-8b94-b2d6baed844d
Other/historical names associated with this locality:
Riesental; Riesengrund
Name(s) in local language(s):
Obří důl


Two major (Helena and Gustav) and several minor (Václav etc.) contact skarn bodies developed at the contact of mantle rocks with granite of Krkonoše-Jizerský Pluton. Ore minerals are mostly pyrrhotite and sphalerite. In some minerals (garnets, epidote) isomorphic admixture of tin is known. Quartz veins with rock crystal, fluorite, scheelite, albite, and pumpellyite are connected with later tectonic activity.

Obří důl (German: Riesengrund) is the name of a valley that stretches between the foot of Sněžka and Pec pod Sněžkou. The valley was formed by the action of a Quaternary glacier up to 100 m thick. There used to be various metal ore mines here. At the former Kovárna hut, there is a mine of the same name, which has been open to the public since 2004. Today, the blue-marked route 1813 leads here to Obří sedlo, in the summer passing to the top of Sněžka, closed in the winter months due to the danger of frequent avalanches. This area is part of the Krkonoše National Park.

The Úpská pit is a glacial karst forming the upper end of Obří důl. Its slopes are up to 600 m high.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List

Mineral list contains entries from the region specified including sub-localities

38 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Rock list contains entries from the region specified including sub-localities

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Allophane
Formula: (Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Andradite
Formula: Ca3Fe3+2(SiO4)3
Arsenopyrite
Formula: FeAsS
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Bismuth
Formula: Bi
Bismuthinite
Formula: Bi2S3
Calcite
Formula: CaCO3
Cassiterite
Formula: SnO2
Chalcopyrite
Formula: CuFeS2
Cobaltite
Formula: CoAsS
Copper
Formula: Cu
Devilline
Formula: CaCu4(SO4)2(OH)6 · 3H2O
Diopside
Formula: CaMgSi2O6
Dolomite
Formula: CaMg(CO3)2
Dravite
Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Epidote
Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fluorite
Formula: CaF2
Galena
Formula: PbS
Grossular
Formula: Ca3Al2(SiO4)3
Gypsum
Formula: CaSO4 · 2H2O
Hedenbergite
Formula: CaFe2+Si2O6
'K Feldspar'
'K Feldspar var. Adularia'
Formula: KAlSi3O8
Langite
Formula: Cu4(SO4)(OH)6 · 2H2O
Magnetite
Formula: Fe2+Fe3+2O4
Malachite
Formula: Cu2(CO3)(OH)2
Malayaite
Formula: CaSn(SiO4)O
'Mica Group'
Molybdenite
Formula: MoS2
Orthoclase
Formula: K(AlSi3O8)
Prehnite
Formula: Ca2Al2Si3O10(OH)2
Pumpellyite-(Mg)
Formula: Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Pyrite
Formula: FeS2
'Pyroxene Group'
Formula: ADSi2O6
Pyrrhotite
Formula: Fe1-xS
Quartz
Formula: SiO2
Quartz var. Rock Crystal
Formula: SiO2
Scheelite
Formula: Ca(WO4)
Sphalerite
Formula: ZnS
Stannite
Formula: Cu2FeSnS4
Tremolite
Formula: ◻Ca2Mg5(Si8O22)(OH)2
Vesuvianite
Formula: Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
'Wad'
Wollastonite
Formula: Ca3(Si3O9)

Gallery:

Na(AlSi3O8) Albite
CaCu4(SO4)2(OH)6 · 3H2O Devilline
CaMg(CO3)2 Dolomite
Cu4(SO4)(OH)6 · 2H2O Langite
Cu2(CO3)(OH)2 Malachite
Ca2Al2Si3O10(OH)2 Prehnite
Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O Pumpellyite-(Mg)
Ca(WO4) Scheelite
Ca3(Si3O9) Wollastonite

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Copper1.AA.05Cu
Bismuth1.CA.05Bi
Group 2 - Sulphides and Sulfosalts
Sphalerite2.CB.05aZnS
Chalcopyrite2.CB.10aCuFeS2
Stannite2.CB.15aCu2FeSnS4
Pyrrhotite2.CC.10Fe1-xS
Galena2.CD.10PbS
Bismuthinite2.DB.05Bi2S3
Molybdenite2.EA.30MoS2
Pyrite2.EB.05aFeS2
Arsenopyrite2.EB.20FeAsS
Cobaltite2.EB.25CoAsS
Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
Magnetite4.BB.05Fe2+Fe3+2O4
Quartz
var. Rock Crystal
4.DA.05SiO2
4.DA.05SiO2
Cassiterite4.DB.05SnO2
Group 5 - Nitrates and Carbonates
Calcite5.AB.05CaCO3
Dolomite5.AB.10CaMg(CO3)2
Malachite5.BA.10Cu2(CO3)(OH)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
Gypsum7.CD.40CaSO4 · 2H2O
Langite7.DD.10Cu4(SO4)(OH)6 · 2H2O
Devilline7.DD.30CaCu4(SO4)2(OH)6 · 3H2O
Scheelite7.GA.05Ca(WO4)
Group 9 - Silicates
Grossular9.AD.25Ca3Al2(SiO4)3
Andradite9.AD.25Ca3Fe3+2(SiO4)3
Malayaite9.AG.15CaSn(SiO4)O
Epidote9.BG.05a(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Pumpellyite-(Mg)9.BG.20Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Vesuvianite9.BG.35Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Dravite9.CK.05NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Hedenbergite9.DA.15CaFe2+Si2O6
Diopside9.DA.15CaMgSi2O6
Tremolite9.DE.10◻Ca2Mg5(Si8O22)(OH)2
Wollastonite9.DG.05Ca3(Si3O9)
Prehnite9.DP.20Ca2Al2Si3O10(OH)2
Allophane9.ED.20(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Orthoclase9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
Unclassified
'K Feldspar'-
'Mica Group'-
'K Feldspar
var. Adularia'
-KAlSi3O8
'Wad'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Pyroxene Group'-ADSi2O6

List of minerals for each chemical element

HHydrogen
H Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H DevillineCaCu4(SO4)2(OH)6 · 3H2O
H DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
H Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
H GypsumCaSO4 · 2H2O
H LangiteCu4(SO4)(OH)6 · 2H2O
H MalachiteCu2(CO3)(OH)2
H PrehniteCa2Al2Si3O10(OH)2
H Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
H Tremolite◻Ca2Mg5(Si8O22)(OH)2
H VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
BBoron
B DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
CCarbon
C CalciteCaCO3
C DolomiteCaMg(CO3)2
C MalachiteCu2(CO3)(OH)2
OOxygen
O K Feldspar var. AdulariaKAlSi3O8
O AlbiteNa(AlSi3O8)
O Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
O AndraditeCa3Fe23+(SiO4)3
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O CalciteCaCO3
O CassiteriteSnO2
O DevillineCaCu4(SO4)2(OH)6 · 3H2O
O DiopsideCaMgSi2O6
O DolomiteCaMg(CO3)2
O DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
O Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
O GrossularCa3Al2(SiO4)3
O GypsumCaSO4 · 2H2O
O HedenbergiteCaFe2+Si2O6
O LangiteCu4(SO4)(OH)6 · 2H2O
O MagnetiteFe2+Fe23+O4
O MalachiteCu2(CO3)(OH)2
O MalayaiteCaSn(SiO4)O
O OrthoclaseK(AlSi3O8)
O PrehniteCa2Al2Si3O10(OH)2
O Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
O QuartzSiO2
O ScheeliteCa(WO4)
O Tremolite◻Ca2Mg5(Si8O22)(OH)2
O VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
O WollastoniteCa3(Si3O9)
O Quartz var. Rock CrystalSiO2
O Pyroxene GroupADSi2O6
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F FluoriteCaF2
NaSodium
Na AlbiteNa(AlSi3O8)
Na DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
MgMagnesium
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Mg DiopsideCaMgSi2O6
Mg DolomiteCaMg(CO3)2
Mg DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Mg Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Mg Tremolite◻Ca2Mg5(Si8O22)(OH)2
Mg VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
AlAluminium
Al K Feldspar var. AdulariaKAlSi3O8
Al AlbiteNa(AlSi3O8)
Al Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Al Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Al GrossularCa3Al2(SiO4)3
Al OrthoclaseK(AlSi3O8)
Al PrehniteCa2Al2Si3O10(OH)2
Al Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Al VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
SiSilicon
Si K Feldspar var. AdulariaKAlSi3O8
Si AlbiteNa(AlSi3O8)
Si Allophane(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Si AndraditeCa3Fe23+(SiO4)3
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si DiopsideCaMgSi2O6
Si DraviteNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)
Si Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Si GrossularCa3Al2(SiO4)3
Si HedenbergiteCaFe2+Si2O6
Si MalayaiteCaSn(SiO4)O
Si OrthoclaseK(AlSi3O8)
Si PrehniteCa2Al2Si3O10(OH)2
Si Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Si QuartzSiO2
Si Tremolite◻Ca2Mg5(Si8O22)(OH)2
Si VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Si WollastoniteCa3(Si3O9)
Si Quartz var. Rock CrystalSiO2
Si Pyroxene GroupADSi2O6
SSulfur
S ArsenopyriteFeAsS
S BismuthiniteBi2S3
S ChalcopyriteCuFeS2
S CobaltiteCoAsS
S DevillineCaCu4(SO4)2(OH)6 · 3H2O
S GalenaPbS
S GypsumCaSO4 · 2H2O
S LangiteCu4(SO4)(OH)6 · 2H2O
S MolybdeniteMoS2
S PyriteFeS2
S PyrrhotiteFe1-xS
S SphaleriteZnS
S StanniteCu2FeSnS4
KPotassium
K K Feldspar var. AdulariaKAlSi3O8
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K OrthoclaseK(AlSi3O8)
CaCalcium
Ca AndraditeCa3Fe23+(SiO4)3
Ca CalciteCaCO3
Ca DevillineCaCu4(SO4)2(OH)6 · 3H2O
Ca DiopsideCaMgSi2O6
Ca DolomiteCaMg(CO3)2
Ca Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Ca FluoriteCaF2
Ca GrossularCa3Al2(SiO4)3
Ca GypsumCaSO4 · 2H2O
Ca HedenbergiteCaFe2+Si2O6
Ca MalayaiteCaSn(SiO4)O
Ca PrehniteCa2Al2Si3O10(OH)2
Ca Pumpellyite-(Mg)Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O
Ca ScheeliteCa(WO4)
Ca Tremolite◻Ca2Mg5(Si8O22)(OH)2
Ca VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
Ca WollastoniteCa3(Si3O9)
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeIron
Fe AndraditeCa3Fe23+(SiO4)3
Fe ArsenopyriteFeAsS
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe ChalcopyriteCuFeS2
Fe Epidote(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Fe HedenbergiteCaFe2+Si2O6
Fe MagnetiteFe2+Fe23+O4
Fe PyriteFeS2
Fe PyrrhotiteFe1-xS
Fe StanniteCu2FeSnS4
Fe VesuvianiteCa19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9
CoCobalt
Co CobaltiteCoAsS
CuCopper
Cu ChalcopyriteCuFeS2
Cu CopperCu
Cu DevillineCaCu4(SO4)2(OH)6 · 3H2O
Cu LangiteCu4(SO4)(OH)6 · 2H2O
Cu MalachiteCu2(CO3)(OH)2
Cu StanniteCu2FeSnS4
ZnZinc
Zn SphaleriteZnS
AsArsenic
As ArsenopyriteFeAsS
As CobaltiteCoAsS
MoMolybdenum
Mo MolybdeniteMoS2
SnTin
Sn CassiteriteSnO2
Sn MalayaiteCaSn(SiO4)O
Sn StanniteCu2FeSnS4
WTungsten
W ScheeliteCa(WO4)
PbLead
Pb GalenaPbS
BiBismuth
Bi BismuthBi
Bi BismuthiniteBi2S3

Other Databases

Wikipedia:https://cs.wikipedia.org/wiki/Ob%C5%99%C3%AD_d%C5%AFl
Wikidata ID:Q2013287

Localities in this Region

  • Hradec Králové Region

Other Regions, Features and Areas containing this locality

Czech Republic
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

 
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