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Numbi, Kalehe Territory, South Kivu, DR Congoi
| Regional Level Types | |
|---|---|
| Numbi | Village |
| Kalehe Territory | Territory |
| South Kivu | Province |
| DR Congo | Country |
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Latitude & Longitude (WGS84):
1° 47' 16'' South , 28° 53' 38'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Other/historical names associated with this locality:
Zaïre
Village located 40 km West of Goma.
Highly weathered granitic pegmatites located close to Numbi village.
Eluvial deposits actively mined for microlite (Ta source), columbite-tantalite and wodginite.
Highly weathered granitic pegmatites located close to Numbi village.
Eluvial deposits actively mined for microlite (Ta source), columbite-tantalite and wodginite.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
Mineral list contains entries from the region specified including sub-localities17 valid minerals.
Rock Types Recorded
Rock list contains entries from the region specified including sub-localities
Select Rock List Type
Alphabetical List Tree DiagramDetailed Mineral List:
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 3 - Halides | |||
|---|---|---|---|
| ⓘ | Fluorite | 3.AB.25 | CaF2 |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | 'Microlite Group' | 4.00. | A2-mTa2X6-wZ1-n |
| ⓘ | Cassiterite | 4.DB.05 | SnO2 |
| ⓘ | Tapiolite-(Fe) | 4.DB.10 | Fe2+Ta2O6 |
| ⓘ | Ferrowodginite | 4.DB.40 | Fe2+Sn4+Ta2O8 |
| ⓘ | Wodginite | 4.DB.40 | Mn2+Sn4+Ta2O8 |
| Group 9 - Silicates | |||
| ⓘ | Andradite | 9.AD.25 | Ca3Fe3+2(SiO4)3 |
| ⓘ | var. Melanite | 9.AD.25 | Ca3Fe3+2(SiO4)3 |
| ⓘ | Titanite | 9.AG.15 | CaTiO(SiO4) |
| ⓘ | Låvenite | 9.BE.17 | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| ⓘ | Beryl | 9.CJ.05 | Be3Al2(Si6O18) |
| ⓘ | Aegirine-augite | 9.DA.20 | (NaaCabFe2+cMgd)(Fe3+eAlfFe2+gMgh)Si2O6 |
| ⓘ | Aegirine | 9.DA.25 | NaFe3+Si2O6 |
| ⓘ | Nepheline | 9.FA.05 | Na3K(Al4Si4O16) |
| ⓘ | Microcline | 9.FA.30 | K(AlSi3O8) |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| ⓘ | Cancrinite | 9.FB.05 | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| ⓘ | Sodalite | 9.FB.10 | Na4(Si3Al3)O12Cl |
| ⓘ | Leucite | 9.GB.05 | K(AlSi2O6) |
| Unclassified | |||
| ⓘ | 'Biotite' | - | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| ⓘ | 'Lepidolite' | - | |
| ⓘ | 'Columbite-Tantalite' | - | |
| ⓘ | 'Apatite' | - | Ca5(PO4)3A |
| ⓘ | 'Chevkinite Group' | - | |
| ⓘ | 'Columbite Group' | - | |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| H | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| H | ⓘ Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| Be | Beryllium | |
| Be | ⓘ Beryl | Be3Al2(Si6O18) |
| C | Carbon | |
| C | ⓘ Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| O | Oxygen | |
| O | ⓘ Aegirine | NaFe3+Si2O6 |
| O | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| O | ⓘ Albite | Na(AlSi3O8) |
| O | ⓘ Andradite | Ca3Fe23+(SiO4)3 |
| O | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| O | ⓘ Beryl | Be3Al2(Si6O18) |
| O | ⓘ Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| O | ⓘ Cassiterite | SnO2 |
| O | ⓘ Tapiolite-(Fe) | Fe2+Ta2O6 |
| O | ⓘ Ferrowodginite | Fe2+Sn4+Ta2O8 |
| O | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| O | ⓘ Leucite | K(AlSi2O6) |
| O | ⓘ Microcline | K(AlSi3O8) |
| O | ⓘ Nepheline | Na3K(Al4Si4O16) |
| O | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
| O | ⓘ Titanite | CaTiO(SiO4) |
| O | ⓘ Wodginite | Mn2+Sn4+Ta2O8 |
| O | ⓘ Andradite var. Melanite | Ca3Fe23+(SiO4)3 |
| O | ⓘ Apatite | Ca5(PO4)3A |
| F | Fluorine | |
| F | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| F | ⓘ Fluorite | CaF2 |
| F | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| Na | Sodium | |
| Na | ⓘ Aegirine | NaFe3+Si2O6 |
| Na | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| Na | ⓘ Albite | Na(AlSi3O8) |
| Na | ⓘ Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| Na | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| Na | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Na | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
| Mg | Magnesium | |
| Mg | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| Mg | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | Aluminium | |
| Al | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Al | ⓘ Beryl | Be3Al2(Si6O18) |
| Al | ⓘ Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| Al | ⓘ Leucite | K(AlSi2O6) |
| Al | ⓘ Microcline | K(AlSi3O8) |
| Al | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Al | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
| Si | Silicon | |
| Si | ⓘ Aegirine | NaFe3+Si2O6 |
| Si | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Andradite | Ca3Fe23+(SiO4)3 |
| Si | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Si | ⓘ Beryl | Be3Al2(Si6O18) |
| Si | ⓘ Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| Si | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| Si | ⓘ Leucite | K(AlSi2O6) |
| Si | ⓘ Microcline | K(AlSi3O8) |
| Si | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Si | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
| Si | ⓘ Titanite | CaTiO(SiO4) |
| Si | ⓘ Andradite var. Melanite | Ca3Fe23+(SiO4)3 |
| P | Phosphorus | |
| P | ⓘ Apatite | Ca5(PO4)3A |
| S | Sulfur | |
| S | ⓘ Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| Cl | Chlorine | |
| Cl | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
| K | Potassium | |
| K | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| K | ⓘ Leucite | K(AlSi2O6) |
| K | ⓘ Microcline | K(AlSi3O8) |
| K | ⓘ Nepheline | Na3K(Al4Si4O16) |
| Ca | Calcium | |
| Ca | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| Ca | ⓘ Andradite | Ca3Fe23+(SiO4)3 |
| Ca | ⓘ Cancrinite | (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O |
| Ca | ⓘ Fluorite | CaF2 |
| Ca | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| Ca | ⓘ Titanite | CaTiO(SiO4) |
| Ca | ⓘ Andradite var. Melanite | Ca3Fe23+(SiO4)3 |
| Ca | ⓘ Apatite | Ca5(PO4)3A |
| Ti | Titanium | |
| Ti | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Ti | ⓘ Titanite | CaTiO(SiO4) |
| Mn | Manganese | |
| Mn | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| Mn | ⓘ Wodginite | Mn2+Sn4+Ta2O8 |
| Fe | Iron | |
| Fe | ⓘ Aegirine | NaFe3+Si2O6 |
| Fe | ⓘ Aegirine-augite | (NaaCabFec2+Mgd)(Fee3+AlfFeg2+Mgh)Si2O6 |
| Fe | ⓘ Andradite | Ca3Fe23+(SiO4)3 |
| Fe | ⓘ Biotite | K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2 |
| Fe | ⓘ Tapiolite-(Fe) | Fe2+Ta2O6 |
| Fe | ⓘ Ferrowodginite | Fe2+Sn4+Ta2O8 |
| Fe | ⓘ Andradite var. Melanite | Ca3Fe23+(SiO4)3 |
| Zr | Zirconium | |
| Zr | ⓘ Låvenite | Na2Ca2Mn2Zr2(Si2O7)2O2F2 |
| Sn | Tin | |
| Sn | ⓘ Cassiterite | SnO2 |
| Sn | ⓘ Ferrowodginite | Fe2+Sn4+Ta2O8 |
| Sn | ⓘ Wodginite | Mn2+Sn4+Ta2O8 |
| Ta | Tantalum | |
| Ta | ⓘ Tapiolite-(Fe) | Fe2+Ta2O6 |
| Ta | ⓘ Ferrowodginite | Fe2+Sn4+Ta2O8 |
| Ta | ⓘ Microlite Group | A2-mTa2X6-wZ1-n |
| Ta | ⓘ Wodginite | Mn2+Sn4+Ta2O8 |
Geochronology
Mineralization age: Neoproterozoic : 830 ± 51 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 | ||||||
|---|---|---|---|---|---|---|---|
| Precambrian | |||||||
| Proterozoic | |||||||
| Neoproterozoic | |||||||
| Tonian |
| ||||||
Localities in this Region
- South Kivu
- Kalehe Territory
Other Regions, Features and Areas containing this locality
AfricaContinent
- East African Rift System (EARS)Zone (Tectonic)
- Albertine RiftZone (Tectonic)
African PlateTectonic Plate
- Congo Craton
- Kibaran BeltShield
Central AfricaRegion
DR Congo
- ⭔KivuRegion
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References
Loun, Jan, Novák, Milan, Cempírek, Jan, Škoda, Radek, Vašinová Galiová, Michaela, Prokeš, Lubomír, Dosbaba, Marek, Čopjaková, Renata (2018) Geochemistry and secondary alterations of microlite from eluvial deposits in the Numbi mining area, South Kivu, Democratic Republic of the Congo. The Canadian Mineralogist, 56 (2) 203-220 doi:10.3749/canmin.1700091

Misumari II mine, Numbi, Kalehe Territory, South Kivu, DR Congo