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Bering Khola-Sunmai–Sukininda Khola polymetallic prospect, Ilam District, P1 Koshi Pradesh, Nepali
Regional Level Types
Bering Khola-Sunmai–Sukininda Khola polymetallic prospectProspect
Ilam DistrictDistrict
P1 Koshi PradeshProvince
NepalCountry

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Latitude & Longitude (WGS84):
26° 44' 5'' North , 87° 54' 49'' East
Latitude & Longitude (decimal):
26.73478,87.91383
GRN:
N18E56
Type:
Prospect
Köppen climate type:
Cwa : Monsoon-influenced humid subtropical climate
Nearest Settlements:
PlacePopulationDistance
Ilām17,491 (2011)19.5km
Bhadrapur19,523 (2013)27.8km
Naksalbāri57,283 (2014)30.9km
Mirik10,109 (2014)32.3km
Kārsiyāng46,427 (2014)39.6km
Mindat Locality ID:
471650
Long-form identifier:
mindat:1:2:471650:4
GUID (UUID V4):
0


Two mineralization bands of variable thickness extend at about 9 km and are traced from Goyang Khola in the west to Bering Khola – Sunmai Khola – Sukininda Khola in the east in Ilam District. Ore distribution is not uniform throughout, however, in places, the concentration of combined sulphide (mainly pyrite) mineralization varies from 5–30% in massive sulphide ore. Mineral association, grain size, and texture in the ore indicate remobilization and re-concentration of the ore minerals during the metamorphic process. A tentative estimated geological reserve is about 11.72 Million metric tons of sulphide ore with average grades of Cu = 0.21%, Pb <1%, Zn <1%, Au <0.1 ppm and Ag traces to 150 ppm. It is a medium-sized low-grade polymetallic deposit which could be economic if more than two metals (Cu, Au, and Ag) are extracted.

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Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


8 valid minerals.

Rock Types Recorded


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Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Arsenopyrite
Formula: FeAsS
ⓘ Chalcopyrite
Formula: CuFeS2
ⓘ Galena
Formula: PbS
ⓘ Magnetite
Formula: Fe2+Fe3+2O4
ⓘ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
ⓘ Pyrite
Formula: FeS2
ⓘ Pyrrhotite
Formula: Fe1-xS
ⓘ Sphalerite
Formula: ZnS

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘSphalerite2.CB.05aZnS
ⓘChalcopyrite2.CB.10aCuFeS2
ⓘPyrrhotite2.CC.10Fe1-xS
ⓘGalena2.CD.10PbS
ⓘPyrite2.EB.05aFeS2
ⓘArsenopyrite2.EB.20FeAsS
Group 4 - Oxides and Hydroxides
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
Group 9 - Silicates
ⓘMuscovite9.EC.15KAl2(AlSi3O10)(OH)2
ⓘvar. Sericite9.EC.15KAl2(AlSi3O10)(OH)2

List of minerals for each chemical element

HHydrogen
Hⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Hⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
OOxygen
Oⓘ MagnetiteFe2+Fe23+O4
Oⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Oⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
AlAluminium
Alⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Alⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Siⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SSulfur
Sⓘ ArsenopyriteFeAsS
Sⓘ ChalcopyriteCuFeS2
Sⓘ GalenaPbS
Sⓘ PyriteFeS2
Sⓘ PyrrhotiteFe1-xS
Sⓘ SphaleriteZnS
KPotassium
Kⓘ MuscoviteKAl2(AlSi3O10)(OH)2
Kⓘ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
FeIron
Feⓘ ArsenopyriteFeAsS
Feⓘ ChalcopyriteCuFeS2
Feⓘ MagnetiteFe2+Fe23+O4
Feⓘ PyriteFeS2
Feⓘ PyrrhotiteFe1-xS
CuCopper
Cuⓘ ChalcopyriteCuFeS2
ZnZinc
Znⓘ SphaleriteZnS
AsArsenic
Asⓘ ArsenopyriteFeAsS
PbLead
Pbⓘ GalenaPbS

Other Regions, Features and Areas containing this locality

AsiaContinent
Eurasian Plate
Indian PlateTectonic Plate
Nepal

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

[1]Kaphle, Krishna Prasad (2023) An overview of copper ore mineralization in the Nepal Himalaya. Journal of Nepal Geological Society, 66. 25-36 doi:10.3126/jngs.v66i01.57919
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