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โ‡ฑ Xinhua P-REE deposit, Zhijin County, Bijie, Guizhou, China

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Xinhua P-REE deposit, Zhijin County, Bijie, Guizhou, Chinai
Regional Level Types
Xinhua P-REE depositDeposit
Zhijin CountyCounty
BijiePrefecture
GuizhouProvince
ChinaCountry

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Latitude & Longitude (WGS84):
26ยฐ 41' 59'' North , 105ยฐ 45' 0'' East
Latitude & Longitude (decimal):
Type:
Nearest Settlements:
PlacePopulationDistance
Anshun351,936 (2013)53.2km
Mindat Locality ID:
157955
Long-form identifier:
mindat:1:2:157955:3
GUID (UUID V4):
0
Name(s) in local language(s):
ๆ–ฐๅŽ็ฃท็จ€ๅœŸๅ…ƒ็ด ็Ÿฟ, ็ป‡้‡‘ๅŽฟ, ๆฏ•่Š‚ๅธ‚, ่ดตๅทž็œ, ไธญๅ›ฝ


Early Cambrian phosphorite deposit, hosted in black shales, carbonate rocks and siliceous sediments.
The Xinhua deposit in the Zhijin area is genetically a marine biological-chemical sedimentary phosphorite deposit.

The Zhijin phosphorite deposit, located in Zhijin County, southwestern China, constitutes a significant resource base of 3.39 billion tons of phosphorus resources and 3.5 million tons of REY resources (REY2O3), with an average REY content of โˆผ1000 ppm.

The mineral deposit is mainly controlled by the northeastโ€“southwest Guohua anticline, which trends in a northeastโ€“southwest direction. Notably, the northeast segment of this anticline is 4.0 km wide and exhibits a series of faults and wavy folds, while the southwest segment is narrower, measuring only 0.4 km in width. The core strata found within the anticline is mainly composed of the Ediacaran Dengying Formation. However, the southeast wing of the anticline has been destroyed by a strike fault, leading to the absence of early Paleozoic strata, except for some isolated occurrences of the Lower Cambrian Mingxinsi Formation. On the other hand, the northwest wing of the anticline offers a complete exposure of rock layers, including the Lower Cambrian Gezhongwu Formation, Niutitang Formation, Mingxinsi Formation, Carboniferous Datang Formation, and Quaternary sediments. It is within this section that the Zhijin REE-bearing phosphate deposit is located, near the central axis of the northwest wing of the anticline [8]. The REE-bearing phosphate orebody is strata-bound, and the ore-bearing formation is the Lower Cambrian Gezhongwu Formation (ะ„1gz). The Gezhongwu Formation (ะ„1gz) is conformable with the black shale of the overlying Niutitang Formation (ะ„1n) and unconformable with the dolomite of the underlying Dengying Formation (Z2dy). The mining area exhibits a significant development of fault structures, primarily characterized by the presence of the northeast-oriented normal fault. These faults have a detrimental effect on the overall integrity of certain ore layers within the region. The ore layers found within the mining area range in thickness from 4 to 28 m, with an average thickness of 12 m.
The REE-bearing phosphate deposit in Xinhua, Zhijin, is composed of bioclastic phosphate rocks, phosphatic rocks, and phosphorus-bearing dolomite. These rocks are rich in phosphate minerals, such as apatite and collophanite, while gangue minerals, like dolomite, quartz, calcite, and chalcedony, are also present.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

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


Mineral List


12 valid minerals. 1 erroneous literature entry.

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

Entries shown in red are rocks recorded for this region.

Detailed Mineral List:

โ“˜ Anatase
Formula: TiO2
โ“˜ 'Apatite'
Formula: Ca5(PO4)3(Cl/F/OH)
References:
โ“˜ 'Apatite var. Collophane'
Formula: Ca5(PO4)3(Cl/F/OH)
References:
โ“˜ Baryte
Formula: BaSO4
โ“˜ Calcite
Formula: CaCO3
References:
โ“˜ Cerianite-(Ce)
Formula: (Ce4+,Th)O2
โ“˜ 'Chlorite Group'
โ“˜ Dolomite
Formula: CaMg(CO3)2
References:
โ“˜ 'Feldspar Group'
โ“˜ Fluorapatite
Formula: Ca5(PO4)3F
References:
โ“˜
Formula: Ca5(PO4,CO3)3(F,O)
Description: According to Liu et al. (2008), the clastic phosphate mineral in this deposit is not carbonate-fluorapatite, as was believed earlier, but fluorapatite.
โ“˜ 'Glass'
โ“˜ 'Glass (man-made) var. Common Glass'
โ“˜ 'K Feldspar'
โ“˜ Magnetite
Formula: Fe2+Fe3+2O4
โ“˜ 'Monazite Group'
Formula: REE(PO4)
โ“˜ Muscovite
Formula: KAl2(AlSi3O10)(OH)2
โ“˜ Muscovite var. Illite
Formula: K0.65Al2.0[Al0.65Si3.35O10](OH)2
โ“˜ Muscovite var. Sericite
Formula: KAl2(AlSi3O10)(OH)2
โ“˜ Pyrite
Formula: FeS2
โ“˜ Quartz
Formula: SiO2
References:
โ“˜ Quartz var. Chalcedony
Formula: SiO2
โ“˜ Sphalerite
Formula: ZnS
โ“˜ Variscite
Formula: AlPO4 ยท 2H2O
โ“˜ 'Zeolite Group'

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
โ“˜Sphalerite2.CB.05aZnS
โ“˜Pyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
โ“˜Magnetite4.BB.05Fe2+Fe3+2O4
โ“˜Quartz
var. Chalcedony		4.DA.05SiO2
โ“˜4.DA.05SiO2
โ“˜Anatase4.DD.05TiO2
โ“˜Cerianite-(Ce)4.DL.05(Ce4+,Th)O2
Group 5 - Nitrates and Carbonates
โ“˜Calcite5.AB.05CaCO3
โ“˜Dolomite5.AB.10CaMg(CO3)2
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
โ“˜Baryte7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
โ“˜Fluorapatite
var. Carbonate-rich Fluorapatite ?		8.BN.05Ca5(PO4,CO3)3(F,O)
โ“˜8.BN.05Ca5(PO4)3F
โ“˜Variscite8.CD.10AlPO4 ยท 2H2O
Group 9 - Silicates
โ“˜Muscovite
var. Illite		9.EC.15K0.65Al2.0[Al0.65Si3.35O10](OH)2
โ“˜9.EC.15KAl2(AlSi3O10)(OH)2
โ“˜var. Sericite9.EC.15KAl2(AlSi3O10)(OH)2
โ“˜'Zeolite Group'9.G0.
Unclassified
โ“˜'Chlorite Group'-
โ“˜'Feldspar Group'-
โ“˜'Monazite Group'-REE(PO4)
โ“˜'K Feldspar'-
โ“˜'Apatite
var. Collophane'		-Ca5(PO4)3(Cl/F/OH)
โ“˜'Glass'-
โ“˜'Apatite'-Ca5(PO4)3(Cl/F/OH)
โ“˜'Glass (man-made)
var. Common Glass'		-

List of minerals for each chemical element

HHydrogen
Hโ“˜ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Hโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Hโ“˜ VarisciteAlPO4 ยท 2H2O
Hโ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Hโ“˜ Apatite var. CollophaneCa5(PO4)3(Cl/F/OH)
Hโ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
CCarbon
Cโ“˜ CalciteCaCO3
Cโ“˜ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Cโ“˜ DolomiteCaMg(CO3)2
OOxygen
Oโ“˜ AnataseTiO2
Oโ“˜ BaryteBaSO4
Oโ“˜ CalciteCaCO3
Oโ“˜ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Oโ“˜ Cerianite-(Ce)(Ce4+,Th)O2
Oโ“˜ Quartz var. ChalcedonySiO2
Oโ“˜ DolomiteCaMg(CO3)2
Oโ“˜ FluorapatiteCa5(PO4)3F
Oโ“˜ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Oโ“˜ MagnetiteFe2+Fe23+O4
Oโ“˜ Monazite GroupREE(PO4)
Oโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Oโ“˜ QuartzSiO2
Oโ“˜ VarisciteAlPO4 ยท 2H2O
Oโ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
Oโ“˜ Apatite var. CollophaneCa5(PO4)3(Cl/F/OH)
Oโ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
FFluorine
Fโ“˜ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Fโ“˜ FluorapatiteCa5(PO4)3F
Fโ“˜ Apatite var. CollophaneCa5(PO4)3(Cl/F/OH)
Fโ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
MgMagnesium
Mgโ“˜ DolomiteCaMg(CO3)2
AlAluminium
Alโ“˜ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Alโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Alโ“˜ VarisciteAlPO4 ยท 2H2O
Alโ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
SiSilicon
Siโ“˜ Quartz var. ChalcedonySiO2
Siโ“˜ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Siโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Siโ“˜ QuartzSiO2
Siโ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
PPhosphorus
Pโ“˜ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Pโ“˜ FluorapatiteCa5(PO4)3F
Pโ“˜ Monazite GroupREE(PO4)
Pโ“˜ VarisciteAlPO4 ยท 2H2O
Pโ“˜ Apatite var. CollophaneCa5(PO4)3(Cl/F/OH)
Pโ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
SSulfur
Sโ“˜ BaryteBaSO4
Sโ“˜ PyriteFeS2
Sโ“˜ SphaleriteZnS
ClChlorine
Clโ“˜ Apatite var. CollophaneCa5(PO4)3(Cl/F/OH)
Clโ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
KPotassium
Kโ“˜ Muscovite var. IlliteK0.65Al2.0[Al0.65Si3.35O10](OH)2
Kโ“˜ MuscoviteKAl2(AlSi3O10)(OH)2
Kโ“˜ Muscovite var. SericiteKAl2(AlSi3O10)(OH)2
CaCalcium
Caโ“˜ CalciteCaCO3
Caโ“˜ Fluorapatite var. Carbonate-rich FluorapatiteCa5(PO4,CO3)3(F,O)
Caโ“˜ DolomiteCaMg(CO3)2
Caโ“˜ FluorapatiteCa5(PO4)3F
Caโ“˜ Apatite var. CollophaneCa5(PO4)3(Cl/F/OH)
Caโ“˜ ApatiteCa5(PO4)3(Cl/F/OH)
TiTitanium
Tiโ“˜ AnataseTiO2
FeIron
Feโ“˜ MagnetiteFe2+Fe23+O4
Feโ“˜ PyriteFeS2
ZnZinc
Znโ“˜ SphaleriteZnS
BaBarium
Baโ“˜ BaryteBaSO4
CeCerium
Ceโ“˜ Cerianite-(Ce)(Ce4+,Th)O2
ThThorium
Thโ“˜ Cerianite-(Ce)(Ce4+,Th)O2

Other Regions, Features and Areas containing this locality

AsiaContinent
China
Eurasian Plate
Yangtze PlateTectonic Plate

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

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