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Nyet-Bruk, Braldu Valley, Skardu District, Gilgit-Baltistan, Pakistani
Regional Level Types
Nyet-Bruk- not defined -
Braldu ValleyValley
Skardu DistrictDistrict
Gilgit-BaltistanTerritory
PakistanCountry

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Key
Lock Map
Latitude & Longitude (WGS84): 35° 41' 26'' North , 75° 31' 41'' East
Latitude & Longitude (decimal): 35.69083,75.52833
GeoHash:G#: twmen9q41
Köppen climate type:ET : Tundra
Nearest Settlements:
PlacePopulationDistance
Skardu2,100 (2018)44.7km


A field of granitic pegmatites along the high altitude Nyet grazing area at the south side of the Braldu River, a NE tributary to the Shigar River. Known for producing excellent specimens of topaz, aquamarine, and herderite.



Regions containing this locality

Eurasian PlateTectonic Plate
The Himalayas, AsiaMountain Range

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


14 valid minerals.

Detailed Mineral List:

Albite
Formula: Na(AlSi3O8)
Reference: Natural History Museum Vienna collection
Autunite
Formula: Ca(UO2)2(PO4)2 · 11H2O
Reference: Ikram Mineralogy
Beryl
Formula: Be3Al2(Si6O18)
Reference: Blawet, D., Smith, B., and Smith, C., 1997. A Guide to the Mineral Localities of the Northern Areas, Pakistan. Mineralogical Record 28(3), 183-200.
Beryl var: Aquamarine
Formula: Be3Al2Si6O18
Reference: Dudley Blauwet, Bill Smith and Carol Smith (2004) Table of mineral localities of the northern areas of Pakistan and other selected sites. (in "Pakistan: Minerals, Mountains & Majesty", Lapis International, East Hampton, Connecticut)
Beryllonite
Formula: NaBePO4
Reference: Blauwet, D., Smith, B., and Smith, C., 1997. A Guide to the Mineral Localities of the Northern Areas, Pakistan. Mineralogical Record 28(3), 183-200.
Fluorapatite
Formula: Ca5(PO4)3F
Reference: Blauwet, D., Smith, B., and Smith, C., 1997. A Guide to the Mineral Localities of the Northern Areas, Pakistan. Mineralogical Record 28(3), 183-200.
Fluorite
Formula: CaF2
Reference: Jose Zendrera collection
Hydroxylherderite
Formula: CaBe(PO4)(OH,F)
Reference: Blauwet, D., Smith, B., and Smith, C., 1997. A Guide to the Mineral Localities of the Northern Areas, Pakistan. Mineralogical Record 28(3), 183-200.
Microcline
Formula: K(AlSi3O8)
Reference: Blauwet, D., Smith, B., and Smith, C., 1997. A Guide to the Mineral Localities of the Northern Areas, Pakistan. Mineralogical Record 28(3), 183-200.
'Microlite Group'
Formula: A2-mTa2X6-wZ-n
Reference: Dudley Blauwet, Bill Smith and Carol Smith (2004) Table of mineral localities of the northern areas of Pakistan and other selected sites. (in "Pakistan: Minerals, Mountains & Majesty", Lapis International, East Hampton, Connecticut)
Muscovite
Formula: KAl2(AlSi3O10)(OH)2
Reference: Blauwet, D., Smith, B., and Smith, C., 1997. A Guide to the Mineral Localities of the Northern Areas, Pakistan. Mineralogical Record 28(3), 183-200.
Opal
Formula: SiO2 · nH2O
Reference: Ikram Mineralogy
Opal var: Hyalite
Formula: SiO2 · nH2O
Reference: Ikram Mineralogy
Quartz
Formula: SiO2
Reference: Blauwet, D., Smith, B., and Smith, C., 1997. A Guide to the Mineral Localities of the Northern Areas, Pakistan. Mineralogical Record 28(3), 183-200.
Schorl
Formula: Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Reference: Blawet, D., Smith, B., and Smith, C., 1997. A Guide to the Mineral Localities of the Northern Areas, Pakistan. Mineralogical Record 28(3), 183-200.
Spessartine
Formula: Mn2+3Al2(SiO4)3
Reference: Rob Lavinsky photo
Topaz
Formula: Al2(SiO4)(F,OH)2
Reference: Blauwet, D., Smith, B., and Smith, C., 1997. A Guide to the Mineral Localities of the Northern Areas, Pakistan. Mineralogical Record 28(3), 183-200.

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
'Microlite Group'4.00.A2-mTa2X6-wZ-n
Opal4.DA.10SiO2 · nH2O
var: Hyalite4.DA.10SiO2 · nH2O
Quartz4.DA.05SiO2
Group 8 - Phosphates, Arsenates and Vanadates
Autunite8.EB.05Ca(UO2)2(PO4)2 · 11H2O
Beryllonite8.AA.10NaBePO4
Fluorapatite8.BN.05Ca5(PO4)3F
Hydroxylherderite8.BA.10CaBe(PO4)(OH,F)
Group 9 - Silicates
Albite9.FA.35Na(AlSi3O8)
Beryl9.CJ.05Be3Al2(Si6O18)
var: Aquamarine9.CJ.05Be3Al2Si6O18
Microcline9.FA.30K(AlSi3O8)
Muscovite9.EC.15KAl2(AlSi3O10)(OH)2
Schorl9.CK.05Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Spessartine9.AD.25Mn2+3Al2(SiO4)3
Topaz9.AF.35Al2(SiO4)(F,OH)2

List of minerals arranged by Dana 8th Edition classification

Group 8 - MULTIPLE OXIDES CONTAINING NIOBIUM,TANTALUM OR TITANIUM
A2B2O6(O,OH,F)
'Microlite Group'8.2.2.1A2-mTa2X6-wZ-n
Group 9 - NORMAL HALIDES
AX2
Fluorite9.2.1.1CaF2
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
ABXO4
Beryllonite38.1.5.1NaBePO4
Group 40 - HYDRATED NORMAL PHOSPHATES,ARSENATES AND VANADATES
AB2(XO4)2·xH2O, containing (UO2)2+
Autunite40.2a.1.1Ca(UO2)2(PO4)2 · 11H2O
Group 41 - ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
(AB)2(XO4)Zq
Hydroxylherderite41.5.4.2CaBe(PO4)(OH,F)
A5(XO4)3Zq
Fluorapatite41.8.1.1Ca5(PO4)3F
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Spessartine51.4.3a.3Mn2+3Al2(SiO4)3
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Topaz52.3.1.1Al2(SiO4)(F,OH)2
Group 61 - CYCLOSILICATES Six-Membered Rings
Six-Membered Rings with [Si6O18] rings; possible (OH) and Al substitution
Beryl61.1.1.1Be3Al2(Si6O18)
Six-Membered Rings with borate groups
Schorl61.3.1.10Na(Fe2+3)Al6(Si6O18)(BO3)3(OH)3(OH)
Group 71 - PHYLLOSILICATES Sheets of Six-Membered Rings
Sheets of 6-membered rings with 2:1 layers
Muscovite71.2.2a.1KAl2(AlSi3O10)(OH)2
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
Group 76 - TECTOSILICATES Al-Si Framework
Al-Si Framework with Al-Si frameworks
Albite76.1.3.1Na(AlSi3O8)
Microcline76.1.1.5K(AlSi3O8)
Unclassified Minerals, Mixtures, etc.
Beryl
var: Aquamarine
-Be3Al2Si6O18
Opal
var: Hyalite
-SiO2 · nH2O

List of minerals for each chemical element

HHydrogen
H SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
H TopazAl2(SiO4)(F,OH)2
H HydroxylherderiteCaBe(PO4)(OH,F)
H MuscoviteKAl2(AlSi3O10)(OH)2
H AutuniteCa(UO2)2(PO4)2 · 11H2O
H Opal (var: Hyalite)SiO2 · nH2O
H OpalSiO2 · nH2O
BeBeryllium
Be Beryl (var: Aquamarine)Be3Al2Si6O18
Be BerylBe3Al2(Si6O18)
Be BerylloniteNaBePO4
Be HydroxylherderiteCaBe(PO4)(OH,F)
BBoron
B SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
OOxygen
O Beryl (var: Aquamarine)Be3Al2Si6O18
O BerylBe3Al2(Si6O18)
O SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
O AlbiteNa(AlSi3O8)
O TopazAl2(SiO4)(F,OH)2
O BerylloniteNaBePO4
O HydroxylherderiteCaBe(PO4)(OH,F)
O FluorapatiteCa5(PO4)3F
O QuartzSiO2
O MuscoviteKAl2(AlSi3O10)(OH)2
O MicroclineK(AlSi3O8)
O SpessartineMn32+Al2(SiO4)3
O AutuniteCa(UO2)2(PO4)2 · 11H2O
O Opal (var: Hyalite)SiO2 · nH2O
O OpalSiO2 · nH2O
FFluorine
F TopazAl2(SiO4)(F,OH)2
F FluorapatiteCa5(PO4)3F
F FluoriteCaF2
NaSodium
Na SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Na AlbiteNa(AlSi3O8)
Na BerylloniteNaBePO4
AlAluminium
Al Beryl (var: Aquamarine)Be3Al2Si6O18
Al BerylBe3Al2(Si6O18)
Al SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Al AlbiteNa(AlSi3O8)
Al TopazAl2(SiO4)(F,OH)2
Al MuscoviteKAl2(AlSi3O10)(OH)2
Al MicroclineK(AlSi3O8)
Al SpessartineMn32+Al2(SiO4)3
SiSilicon
Si Beryl (var: Aquamarine)Be3Al2Si6O18
Si BerylBe3Al2(Si6O18)
Si SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
Si AlbiteNa(AlSi3O8)
Si TopazAl2(SiO4)(F,OH)2
Si QuartzSiO2
Si MuscoviteKAl2(AlSi3O10)(OH)2
Si MicroclineK(AlSi3O8)
Si SpessartineMn32+Al2(SiO4)3
Si Opal (var: Hyalite)SiO2 · nH2O
Si OpalSiO2 · nH2O
PPhosphorus
P BerylloniteNaBePO4
P HydroxylherderiteCaBe(PO4)(OH,F)
P FluorapatiteCa5(PO4)3F
P AutuniteCa(UO2)2(PO4)2 · 11H2O
KPotassium
K MuscoviteKAl2(AlSi3O10)(OH)2
K MicroclineK(AlSi3O8)
CaCalcium
Ca HydroxylherderiteCaBe(PO4)(OH,F)
Ca FluorapatiteCa5(PO4)3F
Ca AutuniteCa(UO2)2(PO4)2 · 11H2O
Ca FluoriteCaF2
MnManganese
Mn SpessartineMn32+Al2(SiO4)3
FeIron
Fe SchorlNa(Fe32+)Al6(Si6O18)(BO3)3(OH)3(OH)
TaTantalum
Ta Microlite GroupA2-mTa2X6-wZ-n
UUranium
U AutuniteCa(UO2)2(PO4)2 · 11H2O

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

Paleogene - Cretaceous
23.03 - 145 Ma



ID: 3185884
Mesozoic-Cenozoic sedimentary rocks

Age: Phanerozoic (23.03 - 145 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]

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)
Blauwet, D., Smith, B., and Smith, C., 1997. A Guide to the Mineral Localities of the Northern Areas, Pakistan. Mineralogical Record 28(3), 183-200.
ExtraLapis 1/2004: vol. 24: 34-47.


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