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Sikkim, Namchi, South Sikkim district, Sikkim, Indiai
| Regional Level Types | |
|---|---|
| Sikkim | Occurrence |
| Namchi | City |
| South Sikkim district | District |
| Sikkim | State |
| India | Country |
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Latitude & Longitude (WGS84):
27° 13' North , 88° 20' East
Latitude & Longitude (decimal):
Type:
Kรถppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Namchi | 1,147 (2015) | 6.5km |
| Gyalshing | 4,000 (2018) | 11.0km |
| Jorethang | 3,596 (2010) | 12.2km |
| Naya Bฤzฤr | 1,035 (2014) | 13.3km |
| Singtam | 6,133 (2015) | 16.8km |
Peralkaline syenites within the Rangit tectonic Window of South Sikkim. These rocks occur as rootless bodies in the Gondwana and Buxa groups and are apparently related to U, Th and REE mineralization in the area.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
6 valid minerals.
Rock Types Recorded
Note: data is currently VERY limited. Please bear with us while we work towards adding this information!
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
| โ Aegirine Formula: NaFe3+Si2O6 |
| โ 'Hornblende Root Name Group' Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
| โ Ilmenite Formula: Fe2+TiO3 |
| โ Orthoclase Formula: K(AlSi3O8) |
| โ 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 |
| โ Quartz Formula: SiO2 |
| โ Riebeckite Formula: ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2 |
| โ Rutile Formula: TiO2 |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 4 - Oxides and Hydroxides | |||
|---|---|---|---|
| โ | Ilmenite | 4.CB.05 | Fe2+TiO3 |
| โ | Quartz | 4.DA.05 | SiO2 |
| โ | Rutile | 4.DB.05 | TiO2 |
| Group 9 - Silicates | |||
| โ | Aegirine | 9.DA.25 | NaFe3+Si2O6 |
| โ | Riebeckite | 9.DE.25 | โป[Na2][Fe2+3Fe3+2]Si8O22(OH)2 |
| โ | Orthoclase | 9.FA.30 | K(AlSi3O8) |
| Unclassified | |||
| โ | 'Hornblende Root Name Group' | - | โปCa2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2 |
| โ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | โ Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
| H | โ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| O | Oxygen | |
| O | โ Aegirine | NaFe3+Si2O6 |
| O | โ Ilmenite | Fe2+TiO3 |
| O | โ Orthoclase | K(AlSi3O8) |
| O | โ Quartz | SiO2 |
| O | โ Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
| O | โ Rutile | TiO2 |
| O | โ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| O | โ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| F | Fluorine | |
| F | โ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Na | Sodium | |
| Na | โ Aegirine | NaFe3+Si2O6 |
| Na | โ Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
| Na | โ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Al | Aluminium | |
| Al | โ Orthoclase | K(AlSi3O8) |
| Al | โ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Al | โ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | โ Aegirine | NaFe3+Si2O6 |
| Si | โ Orthoclase | K(AlSi3O8) |
| Si | โ Quartz | SiO2 |
| Si | โ Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
| Si | โ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Si | โ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Cl | Chlorine | |
| Cl | โ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| K | Potassium | |
| K | โ Orthoclase | K(AlSi3O8) |
| Ca | Calcium | |
| Ca | โ Hornblende Root Name Group | ◻Ca2(Z42+Z3+)(AlSi7O22)(OH,F,Cl)2 |
| Ca | โ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ti | Titanium | |
| Ti | โ Ilmenite | Fe2+TiO3 |
| Ti | โ Rutile | TiO2 |
| Fe | Iron | |
| Fe | โ Aegirine | NaFe3+Si2O6 |
| Fe | โ Ilmenite | Fe2+TiO3 |
| Fe | โ Riebeckite | ◻[Na2][Fe32+Fe23+]Si8O22(OH)2 |
Geochronology
Mineralization age: Early/Lower Cretaceous : 121 Ma to 105 MaImportant note: This table is based only on rock and mineral ages recorded on mindat.org for this locality and is not necessarily a complete representation of the geochronology, but does give an indication of possible mineralization events relevant to this locality. As more age information is added this table may expand in the future. A break in the table simply indicates a lack of data entered here, not necessarily a break in the geologic sequence. Grey background entries are from different, related, localities.
| Geologic Time | Rocks, Minerals and Events | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Phanerozoic | ||||||||||
| Mesozoic | ||||||||||
| Cretaceous | ||||||||||
| Early/Lower Cretaceous |
| |||||||||
Other Regions, Features and Areas containing this locality
AsiaContinent
- HimalayasMountain Range
- Hindukush Himalayan RegionGroup of Mountain Ranges
Eurasian PlateTectonic Plate
- Himalayan Orogenic BeltOrogenic Belt
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