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Longnan REE deposits, Longnan Co., Ganzhou, Jiangxi, Chinai
Regional Level Types
Longnan REE depositsGroup ofDeposits
Longnan Co.County
GanzhouPrefecture
JiangxiProvince
ChinaCountry

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Latitude & Longitude (WGS84):
24° North , 114° East (est.)
Estimate based on other nearby localities or region boundaries.
Margin of Error:
~44km
GRN:
N17E74
Type:
Group ofDeposits
Köppen climate type:
Cfa : Humid subtropical climate
Mindat Locality ID:
14927
Long-form identifier:
mindat:1:2:14927:8
GUID (UUID V4):
1c9afb92-4ddc-412d-9b09-785c8d6eb3be
Name(s) in local language(s):
龙南稀土矿床, 龙南县, 赣州市, 江西省, 中国


Ion adsorption type REE deposits (consisting of REE-rich clay), occurring in the weathering profiles of individual granites within the Longnan granite complex (consisting of biotite, biotite-muscovite and muscovite granites). The mineralized area is about 40 km2 at surface. The average thickness of the orebody is around 10 m, but can be up to 29 m locally.

Select Mineral List Type

StandardDetailedGalleryStrunzChemical Elements

Detailed Mineral List:

ⓘAeschynite-(Y)
Formula:(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
ⓘAlbite
Formula:Na(AlSi3O8)
ⓘ'Apatite'
Formula:Ca5(PO4)3(Cl/F/OH)
ⓘBastnäsite-(Ce)
Formula:Ce(CO3)F
ⓘ'Biotite'
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘCalcite
Formula:CaCO3
ⓘChernovite-(Y)
Formula:Y(AsO4)
ⓘChevkinite-(Ce)
Formula:Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
ⓘ'Feldspar Group'
ⓘ'Fergusonite'
ⓘFergusonite-(Y)
Formula:YNbO4
ⓘFluorite
Formula:CaF2
ⓘ'Gadolinite'
ⓘGadolinite-(Y)
Formula:Y2Fe2+Be2Si2O10
ⓘ'Garnet Group'
Formula:X3Z2(SiO4)3
ⓘHalloysite
Formula:Al2(Si2O5)(OH)4
ⓘIlmenite
Formula:Fe2+TiO3
ⓘKaolinite
Formula:Al2(Si2O5)(OH)4
ⓘ'K Feldspar'
ⓘ'Limonite'
ⓘMagnetite
Formula:Fe2+Fe3+2O4
ⓘ'Mica Group'
ⓘ'Monazite Group'
Formula:REE(PO4)
ⓘMontmorillonite
Formula:(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
ⓘMuscovite
Formula:KAl2(AlSi3O10)(OH)2
ⓘMuscovite var. Illite
Formula:K0.65Al2.0[Al0.65Si3.35O10](OH)2
ⓘ'Plagioclase'
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
ⓘPyrite
Formula:FeS2
ⓘ'Pyrochlore Group'
Formula:A2Nb2(O,OH)6Z
ⓘQuartz
Formula:SiO2
ⓘRutile
Formula:TiO2
ⓘRutile var. Ilmenorutile
Formula:(Ti,Nb)O2
ⓘ'Synchysite'
Formula:Ca(Ce/Nd/Y/REE)(CO3)2F
ⓘSynchysite-(Ce)
Formula:CaCe(CO3)2F
ⓘSynchysite-(Y)
Formula:CaY(CO3)2F
ⓘThorite
Formula:Th(SiO4)
ⓘTopaz
Formula:Al2(SiO4)(F,OH)2
ⓘ'Xenotime'
ⓘXenotime-(Y)
Formula:Y(PO4)
ⓘXenotime-(Yb)
Formula:Yb(PO4)
ⓘ'Yttrocrasite-(Y)'
Formula:(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
ⓘZircon
Formula:Zr(SiO4)

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
Group 3 - Halides
ⓘFluorite3.AB.25CaF2
Group 4 - Oxides and Hydroxides
ⓘ'Pyrochlore Group'4.00.A2Nb2(O,OH)6Z
ⓘMagnetite4.BB.05Fe2+Fe3+2O4
ⓘIlmenite4.CB.05Fe2+TiO3
ⓘQuartz4.DA.05SiO2
ⓘRutile
var. Ilmenorutile		4.DB.05(Ti,Nb)O2
ⓘ4.DB.05TiO2
ⓘAeschynite-(Y)4.DF.05(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
ⓘ'Yttrocrasite-(Y)'4.DG.05(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
Group 5 - Nitrates and Carbonates
ⓘCalcite5.AB.05CaCO3
ⓘBastnäsite-(Ce)5.BD.20aCe(CO3)F
ⓘSynchysite-(Ce)5.BD.20cCaCe(CO3)2F
ⓘSynchysite-(Y)5.BD.20cCaY(CO3)2F
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
ⓘFergusonite-(Y)7.GA.05YNbO4
Group 8 - Phosphates, Arsenates and Vanadates
ⓘChernovite-(Y)8.AD.35Y(AsO4)
ⓘXenotime-(Y)8.AD.35Y(PO4)
ⓘXenotime-(Yb)8.AD.35Yb(PO4)
Group 9 - Silicates
ⓘThorite9.AD.30Th(SiO4)
ⓘZircon9.AD.30Zr(SiO4)
ⓘTopaz9.AF.35Al2(SiO4)(F,OH)2
ⓘGadolinite-(Y)9.AJ.20Y2Fe2+Be2Si2O10
ⓘChevkinite-(Ce)9.BE.70Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
ⓘMuscovite
var. Illite		9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
ⓘ9.EC.15KAl2(AlSi3O10)(OH)2
ⓘMontmorillonite9.EC.40(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
ⓘKaolinite9.ED.05Al2(Si2O5)(OH)4
ⓘHalloysite9.ED.10Al2(Si2O5)(OH)4
ⓘAlbite9.FA.35Na(AlSi3O8)
Unclassified
ⓘ'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
ⓘ'Feldspar Group'-
ⓘ'Limonite'-
ⓘ'Monazite Group'-REE(PO4)
ⓘ'Xenotime'-
ⓘ'Mica Group'-
ⓘ'Synchysite'-Ca(Ce/Nd/Y/REE)(CO3)2F
ⓘ'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
ⓘ'K Feldspar'-
ⓘ'Garnet Group'-X3Z2(SiO4)3
ⓘ'Gadolinite'-
ⓘ'Fergusonite'-
ⓘ'Apatite'-Ca5(PO4)3(Cl/F/OH)

List of minerals for each chemical element

HHydrogen
HⓘAeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
HⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
HⓘHalloysiteAl2(Si2O5)(OH)4
HⓘMuscovite var.IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
HⓘKaoliniteAl2(Si2O5)(OH)4
HⓘMuscoviteKAl2(AlSi3O10)(OH)2
HⓘMontmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
HⓘPyrochlore GroupA2Nb2(O,OH)6Z
HⓘTopazAl2(SiO4)(F,OH)2
HⓘYttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
HⓘApatiteCa5(PO4)3(Cl/F/OH)
BeBeryllium
BeⓘGadolinite-(Y)Y2Fe2+Be2Si2O10
CCarbon
CⓘBastnäsite-(Ce)Ce(CO3)F
CⓘCalciteCaCO3
CⓘSynchysite-(Ce)CaCe(CO3)2F
CⓘSynchysite-(Y)CaY(CO3)2F
CⓘSynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
OOxygen
OⓘAeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
OⓘAlbiteNa(AlSi3O8)
OⓘBastnäsite-(Ce)Ce(CO3)F
OⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
OⓘCalciteCaCO3
OⓘChernovite-(Y)Y(AsO4)
OⓘFergusonite-(Y)YNbO4
OⓘGadolinite-(Y)Y2Fe2+Be2Si2O10
OⓘHalloysiteAl2(Si2O5)(OH)4
OⓘMuscovite var.IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
OⓘIlmeniteFe2+TiO3
OⓘRutile var.Ilmenorutile(Ti,Nb)O2
OⓘKaoliniteAl2(Si2O5)(OH)4
OⓘMagnetiteFe2+Fe23+O4
OⓘMonazite GroupREE(PO4)
OⓘMuscoviteKAl2(AlSi3O10)(OH)2
OⓘMontmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
OⓘPyrochlore GroupA2Nb2(O,OH)6Z
OⓘQuartzSiO2
OⓘRutileTiO2
OⓘSynchysite-(Ce)CaCe(CO3)2F
OⓘSynchysite-(Y)CaY(CO3)2F
OⓘThoriteTh(SiO4)
OⓘTopazAl2(SiO4)(F,OH)2
OⓘXenotime-(Y)Y(PO4)
OⓘYttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
OⓘZirconZr(SiO4)
OⓘChevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
OⓘXenotime-(Yb)Yb(PO4)
OⓘSynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
OⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
OⓘGarnet GroupX3Z2(SiO4)3
OⓘApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
FⓘBastnäsite-(Ce)Ce(CO3)F
FⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FⓘFluoriteCaF2
FⓘSynchysite-(Ce)CaCe(CO3)2F
FⓘSynchysite-(Y)CaY(CO3)2F
FⓘTopazAl2(SiO4)(F,OH)2
FⓘSynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
FⓘApatiteCa5(PO4)3(Cl/F/OH)
NaSodium
NaⓘAlbiteNa(AlSi3O8)
NaⓘMontmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
NaⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
MgⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MgⓘMontmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
AlAluminium
AlⓘAlbiteNa(AlSi3O8)
AlⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlⓘHalloysiteAl2(Si2O5)(OH)4
AlⓘMuscovite var.IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
AlⓘKaoliniteAl2(Si2O5)(OH)4
AlⓘMuscoviteKAl2(AlSi3O10)(OH)2
AlⓘMontmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
AlⓘTopazAl2(SiO4)(F,OH)2
AlⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
SiⓘAlbiteNa(AlSi3O8)
SiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
SiⓘGadolinite-(Y)Y2Fe2+Be2Si2O10
SiⓘHalloysiteAl2(Si2O5)(OH)4
SiⓘMuscovite var.IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
SiⓘKaoliniteAl2(Si2O5)(OH)4
SiⓘMuscoviteKAl2(AlSi3O10)(OH)2
SiⓘMontmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
SiⓘQuartzSiO2
SiⓘThoriteTh(SiO4)
SiⓘTopazAl2(SiO4)(F,OH)2
SiⓘZirconZr(SiO4)
SiⓘChevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
SiⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiⓘGarnet GroupX3Z2(SiO4)3
PPhosphorus
PⓘMonazite GroupREE(PO4)
PⓘXenotime-(Y)Y(PO4)
PⓘXenotime-(Yb)Yb(PO4)
PⓘApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
SⓘPyriteFeS2
ClChlorine
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ⓘMuscovite var.IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
KⓘMuscoviteKAl2(AlSi3O10)(OH)2
CaCalcium
CaⓘAeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
CaⓘCalciteCaCO3
CaⓘFluoriteCaF2
CaⓘMontmorillonite(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O
CaⓘSynchysite-(Ce)CaCe(CO3)2F
CaⓘSynchysite-(Y)CaY(CO3)2F
CaⓘYttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
CaⓘSynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
CaⓘPlagioclase(Na,Ca)[(Si,Al)AlSi2]O8
CaⓘApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
TiⓘAeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
TiⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
TiⓘIlmeniteFe2+TiO3
TiⓘRutile var.Ilmenorutile(Ti,Nb)O2
TiⓘRutileTiO2
TiⓘYttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
TiⓘChevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
FeIron
FeⓘBiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
FeⓘGadolinite-(Y)Y2Fe2+Be2Si2O10
FeⓘIlmeniteFe2+TiO3
FeⓘMagnetiteFe2+Fe23+O4
FeⓘPyriteFeS2
FeⓘYttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
FeⓘChevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
AsArsenic
AsⓘChernovite-(Y)Y(AsO4)
YYttrium
YⓘAeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
YⓘChernovite-(Y)Y(AsO4)
YⓘFergusonite-(Y)YNbO4
YⓘGadolinite-(Y)Y2Fe2+Be2Si2O10
YⓘSynchysite-(Y)CaY(CO3)2F
YⓘXenotime-(Y)Y(PO4)
YⓘYttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
YⓘSynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
ZrZirconium
ZrⓘZirconZr(SiO4)
NbNiobium
NbⓘAeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
NbⓘFergusonite-(Y)YNbO4
NbⓘRutile var.Ilmenorutile(Ti,Nb)O2
NbⓘPyrochlore GroupA2Nb2(O,OH)6Z
CeCerium
CeⓘBastnäsite-(Ce)Ce(CO3)F
CeⓘSynchysite-(Ce)CaCe(CO3)2F
CeⓘChevkinite-(Ce)Ce4(Ti,Fe2+,Fe3+)5O8(Si2O7)2
CeⓘSynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
NdNeodymium
NdⓘSynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
YbYtterbium
YbⓘXenotime-(Yb)Yb(PO4)
ThThorium
ThⓘAeschynite-(Y)(Y,Ln,Ca,Th)(Ti,Nb)2(O,OH)6
ThⓘThoriteTh(SiO4)
ThⓘYttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6
UUranium
UⓘYttrocrasite-(Y)(Y,Th,Ca,U)(Ti,Fe)2(O,OH)6

Localities in this Region

Other Regions, Features and Areas containing this locality

AsiaContinent
China
China
Eurasian Plate
Yangtze PlateTectonic Plate

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References

Yunhuai Lin and Shiyang Chen (1985): Granite deposits in the Gannan area. Geology and Prospecting 21(3), 23-31 (in Chinese).
Wu, C.Y., and Guo, Z.J. (1989): Geochemistry of REE in the weathering crust of granites in Longnan, Jiangxi. Acta Geologica Sinica 63(4), 349-362.
Wu, C.Y., Huang, D.H., and Guo, Z.X. (1990): REE geochemistry in the weathered crust of granites, Longnan area, Jiangxi Province. Acta Geologica Sinica 64(3), 193-210.
Wu, C., Yuan, Z., and Bai, G. (1996): Rare earth deposits in China. In: Jones, A.P., Wall, F., and Williams, C.T. (Eds.): Rare Earth Minerals: Chemistry, Origin, and Ore Deposits. Mineralogical Society Series, Vol. 7, Chapman and Hall (London), pp. 281-310.
Orris, Greta J., Grauch, Richard I. (2002) Rare Earth Element Mines, Deposits, and Occurrences.Open-File Report 2002-189. US Geological Surveydoi:10.3133/ofr02189
Zhiwei Bao and Zhenhua Zhao (2008): Geochemistry of mineralization with exchangeable REY in the weathering crusts of granitic rocks in South China. Ore Geology Reviews 33, 519-535.
Chen, L.; Jin, X.; Chen, H.; He, Z.; Qiu, L.; Duan, H. (2020) Grain Size Distribution and Clay Mineral Distinction of Rare Earth Ore through Different Methods. Minerals 10, 353.
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