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Kirumba Complex, Bwito, Rutshuru Territory, North Kivu, DR Congoi
Regional Level Types
Kirumba ComplexComplex
BwitoDistrict
Rutshuru TerritoryTerritory
North KivuProvince
DR CongoCountry

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Latitude & Longitude (WGS84):
1° 5' 29'' South , 29° 17' 33'' East
Latitude & Longitude (decimal):
Type:
Age:
803 ± 22 Ma
Geologic Time:
Dating method:
Rb-Sr whole rock
Reference for age:
Kampunzu, A. B., Kramers, J. D., & Makutu, M. N. (1998). Rb Sr whole rock ages of the lueshe, Kirumba and Numbi igneous complexes (Kivu, Democratic Republic of Congo) and the break-up of the Rodinia supercontinent. Journal of African Earth Sciences, 26(1), 29-36. doi.org/10.1016/S0899-5362(97)00134-6
Köppen climate type:
Mindat Locality ID:
143217
Long-form identifier:
mindat:1:2:143217:9
GUID (UUID V4):
f9beaf40-527a-441f-b80a-4d86bb550dca
Other/historical names associated with this locality:
Zaïre


Syenitic massif.

Approx 30 km² complex is limited on 3 sides by Precambrian schists and quartzites, but the eastern margin is against lavas of the extensive Virunga National Park, North Kivu, DR Congo.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


14 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 Diagram

Detailed Mineral List:

Aegirine
Formula: NaFe3+Si2O6
References:
Albite
Formula: Na(AlSi3O8)
References:
Andradite
Formula: Ca3Fe3+2(SiO4)3
References:
Andradite var. Melanite
Formula: Ca3(Fe3+,Ti)2(SiO4)3
References:
Ankerite
Formula: Ca(Fe2+,Mg)(CO3)2
References:
'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
References:
'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
References:
Cancrinite
Formula: (Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
References:
'Cerite'
References:
'Chevkinite Group'
References:
Davidite-(La)
Formula: La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
'Feldspar Group'
References:
'Feldspar Group var. Perthite'
References:
Fluorite
Formula: CaF2
References:
Låvenite
Formula: Na2Ca2Mn2Zr2(Si2O7)2O2F2
References:
'Mica Group'
References:
Microcline
Formula: K(AlSi3O8)
References:
Nepheline
Formula: Na3K(Al4Si4O16)
References:
'Pyrochlore Group'
Formula: A2Nb2(O,OH)6Z
References:
Sodalite
Formula: Na4(Si3Al3)O12Cl
References:
Thorite
Formula: Th(SiO4)
References:
Titanite
Formula: CaTi(SiO4)O
References:
'Zeolite Group'
References:
Zircon
Formula: Zr(SiO4)
References:

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
Fluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
Davidite-(La)4.CC.40La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
Group 5 - Nitrates and Carbonates
Ankerite5.AB.10Ca(Fe2+,Mg)(CO3)2
Group 9 - Silicates
Andradite9.AD.25Ca3Fe3+2(SiO4)3
var. Melanite9.AD.25Ca3(Fe3+,Ti)2(SiO4)3
Thorite9.AD.30Th(SiO4)
Zircon9.AD.30Zr(SiO4)
Titanite9.AG.15CaTi(SiO4)O
Låvenite9.BE.17Na2Ca2Mn2Zr2(Si2O7)2O2F2
Aegirine9.DA.25NaFe3+Si2O6
Nepheline9.FA.05Na3K(Al4Si4O16)
Microcline9.FA.30K(AlSi3O8)
Albite9.FA.35Na(AlSi3O8)
Cancrinite9.FB.05(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Sodalite9.FB.10Na4(Si3Al3)O12Cl
'Zeolite Group'9.G0.
Unclassified
'Feldspar Group'-
'Cerite'-
'Feldspar Group
var. Perthite'
-
'Mica Group'-
'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
'Apatite'-Ca5(PO4)3(Cl/F/OH)
'Chevkinite Group'-

List of minerals for each chemical element

HHydrogen
H BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
H Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
H Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
H Pyrochlore GroupA2Nb2(O,OH)6Z
H ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
C AnkeriteCa(Fe2+,Mg)(CO3)2
C Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
OOxygen
O AegirineNaFe3+Si2O6
O AlbiteNa(AlSi3O8)
O AndraditeCa3Fe23+(SiO4)3
O AnkeriteCa(Fe2+,Mg)(CO3)2
O BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
O Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
O Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
O LåveniteNa2Ca2Mn2Zr2(Si2O7)2O2F2
O MicroclineK(AlSi3O8)
O NephelineNa3K(Al4Si4O16)
O Pyrochlore GroupA2Nb2(O,OH)6Z
O SodaliteNa4(Si3Al3)O12Cl
O ThoriteTh(SiO4)
O TitaniteCaTi(SiO4)O
O ZirconZr(SiO4)
O Andradite var. MelaniteCa3(Fe3+,Ti)2(SiO4)3
O ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
F BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
F Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
F FluoriteCaF2
F LåveniteNa2Ca2Mn2Zr2(Si2O7)2O2F2
F ApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
Na AegirineNaFe3+Si2O6
Na AlbiteNa(AlSi3O8)
Na Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Na LåveniteNa2Ca2Mn2Zr2(Si2O7)2O2F2
Na NephelineNa3K(Al4Si4O16)
Na SodaliteNa4(Si3Al3)O12Cl
MgMagnesium
Mg AnkeriteCa(Fe2+,Mg)(CO3)2
Mg BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Al AlbiteNa(AlSi3O8)
Al BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Al Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Al MicroclineK(AlSi3O8)
Al NephelineNa3K(Al4Si4O16)
Al SodaliteNa4(Si3Al3)O12Cl
SiSilicon
Si AegirineNaFe3+Si2O6
Si AlbiteNa(AlSi3O8)
Si AndraditeCa3Fe23+(SiO4)3
Si BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Si Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Si LåveniteNa2Ca2Mn2Zr2(Si2O7)2O2F2
Si MicroclineK(AlSi3O8)
Si NephelineNa3K(Al4Si4O16)
Si SodaliteNa4(Si3Al3)O12Cl
Si ThoriteTh(SiO4)
Si TitaniteCaTi(SiO4)O
Si ZirconZr(SiO4)
Si Andradite var. MelaniteCa3(Fe3+,Ti)2(SiO4)3
PPhosphorus
P ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
S Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
ClChlorine
Cl SodaliteNa4(Si3Al3)O12Cl
Cl ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
K BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
K MicroclineK(AlSi3O8)
K NephelineNa3K(Al4Si4O16)
CaCalcium
Ca AndraditeCa3Fe23+(SiO4)3
Ca AnkeriteCa(Fe2+,Mg)(CO3)2
Ca Cancrinite(Na,Ca,◻)8(Al6Si6O24)(CO3,SO4)2 · 2H2O
Ca FluoriteCaF2
Ca LåveniteNa2Ca2Mn2Zr2(Si2O7)2O2F2
Ca TitaniteCaTi(SiO4)O
Ca Andradite var. MelaniteCa3(Fe3+,Ti)2(SiO4)3
Ca ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Ti BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Ti Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
Ti TitaniteCaTi(SiO4)O
Ti Andradite var. MelaniteCa3(Fe3+,Ti)2(SiO4)3
VVanadium
V Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
CrChromium
Cr Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
MnManganese
Mn LåveniteNa2Ca2Mn2Zr2(Si2O7)2O2F2
FeIron
Fe AegirineNaFe3+Si2O6
Fe AndraditeCa3Fe23+(SiO4)3
Fe AnkeriteCa(Fe2+,Mg)(CO3)2
Fe BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fe Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
Fe Andradite var. MelaniteCa3(Fe3+,Ti)2(SiO4)3
YYttrium
Y Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
ZrZirconium
Zr LåveniteNa2Ca2Mn2Zr2(Si2O7)2O2F2
Zr ZirconZr(SiO4)
NbNiobium
Nb Pyrochlore GroupA2Nb2(O,OH)6Z
LaLanthanum
La Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38
ThThorium
Th ThoriteTh(SiO4)
UUranium
U Davidite-(La)La(Y,U)Fe2(Ti,Fe,Cr,V)18(O,OH,F)38

Geochronology

Mineralization age: Neoproterozoic : 665 ± 33 Ma to 555 ± 17 Ma

Important 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 TimeRocks, Minerals and Events
Precambrian
 Proterozoic
  Neoproterozoic
   Ediacaran
ⓘ Biotite (youngest age)555 ± 17 Ma
   Cryogenian
ⓘ Biotite (oldest age)665 ± 33 Ma

Other Regions, Features and Areas containing this locality

Africa
African PlateTectonic Plate
DR Congo

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

 
Mineral and/or Locality  
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