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Placer occurrences (Yanshan meteorite), Yan Mts (Yanshan Mts), Chengde, Hebei, Chinai
Regional Level Types
Placer occurrences (Yanshan meteorite)Group of Occurrences
Yan Mts (Yanshan Mts)Mountain Range
ChengdePrefecture
HebeiProvince
ChinaCountry

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Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 41° North , 117° East (est.)
Margin of Error:~24km
Locality type:Group of Occurrences
Köppen climate type:Dwb : Monsoon-influenced warm-summer humid continental climate


Placers in the Yanshan area (which are otherwise composed of chromite, ilmenite, zircon, gold, PGE minerals, etc.) have been found to contain abundant spheres of "iron", typically 0.1-0.5 mm in size, which consist of an outer shell of magnetite, wüstite and maghemite and an inner shell of kamacite and taenite. In addition, some spheres have a core which is composed of gupeiite and xifengite.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


13 valid minerals. 2 (TL) - type locality of valid minerals.

Detailed Mineral List:

Chromite
Formula: Fe2+Cr3+2O4
Reference: Zuxiang Yu (1984): Acta Petrologica Mineralogica et Analytica 3(3), 231-240
Copper
Formula: Cu
Reference: Zuxiang Yu (1984): Acta Petrologica Mineralogica et Analytica 3(3), 231-240
Gold
Formula: Au
Reference: Zuxiang Yu (1984): Acta Petrologica Mineralogica et Analytica 3(3), 231-240
Graphite
Formula: C
Reference: Zuxiang Yu (1984): Acta Petrologica Mineralogica et Analytica 3(3), 231-240
Gupeiite (TL)
Formula: Fe3Si
Type Locality:
Description: Cosmic dust in placers.
Reference: Zuxiang Yu (1984): Acta Petrologica Mineralogica et Analytica 3(3), 231-240
'Hongquiite'
Formula: TiO
Reference: Fejer, E. E. (1986). Thirty-fourth list of new mineral names. Mineralogical Magazine, 50, 741-61.
Ilmenite
Formula: Fe2+TiO3
Reference: Zuxiang Yu (1984): Acta Petrologica Mineralogica et Analytica 3(3), 231-240
Iron
Formula: Fe
Reference: Zuxiang Yu (1984): Acta Petrologica Mineralogica et Analytica 3(3), 231-240
Iron var: Kamacite
Formula: (Fe,Ni)
Reference: Zuxiang Yu (1984): Acta Petrologica Mineralogica et Analytica 3(3), 231-240
Maghemite
Formula: Fe3+2O3
Reference: Zuxiang Yu (1984): Acta Petrologica Mineralogica et Analytica 3(3), 231-240
Magnetite
Formula: Fe2+Fe3+2O4
Reference: Zuxiang Yu (1984): Acta Petrologica Mineralogica et Analytica 3(3), 231-240
Taenite
Formula: (Fe,Ni)
Reference: Zuxiang Yu (1984): Acta Petrologica Mineralogica et Analytica 3(3), 231-240
Wüstite
Formula: FeO
Reference: Zuxiang Yu (1984): Acta Petrologica Mineralogica et Analytica 3(3), 231-240
Xifengite (TL)
Formula: Fe5Si3
Type Locality:
Description: Cosmic dust in placers.
Reference: Zuxiang Yu (1984): Acta Petrologica Mineralogica et Analytica 3(3), 231-240
Zircon
Formula: Zr(SiO4)
Reference: Zuxiang Yu (1984): Acta Petrologica Mineralogica et Analytica 3(3), 231-240

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
'Copper'1.AA.05Cu
'Gold'1.AA.05Au
'Graphite'1.CB.05aC
'Gupeiite' (TL)1.BB.30Fe3Si
'Iron'1.AE.05Fe
var: Kamacite1.AE.05(Fe,Ni)
Taenite1.AE.10(Fe,Ni)
Xifengite (TL)1.BB.40Fe5Si3
Group 4 - Oxides and Hydroxides
'Chromite'4.BB.05Fe2+Cr3+2O4
'Ilmenite'4.CB.05Fe2+TiO3
Maghemite4.BB.15Fe3+2O3
Magnetite4.BB.05Fe2+Fe3+2O4
Wüstite4.AB.25FeO
Group 9 - Silicates
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Hongquiite'-TiO

List of minerals arranged by Dana 8th Edition classification

Group 1 - NATIVE ELEMENTS AND ALLOYS
Metals, other than the Platinum Group
Copper1.1.1.3Cu
Gold1.1.1.1Au
Gupeiite (TL)1.1.23.2Fe3Si
Iron
var: Kamacite
1.1.11.1(Fe,Ni)
Taenite1.1.11.2(Fe,Ni)
Xifengite (TL)1.1.23.3Fe5Si3
Semi-metals and non-metals
Graphite1.3.6.2C
Group 4 - SIMPLE OXIDES
AX
'Hongquiite'4.2.1.7TiO
Wüstite4.2.1.6FeO
A2X3
Ilmenite4.3.5.1Fe2+TiO3
Maghemite4.3.7.1Fe3+2O3
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Unclassified Minerals, Rocks, etc.
Iron-Fe

List of minerals for each chemical element

CCarbon
C GraphiteC
OOxygen
O ChromiteFe2+Cr23+O4
O HongquiiteTiO
O IlmeniteFe2+TiO3
O MaghemiteFe23+O3
O MagnetiteFe2+Fe23+O4
O WüstiteFeO
O ZirconZr(SiO4)
SiSilicon
Si GupeiiteFe3Si
Si XifengiteFe5Si3
Si ZirconZr(SiO4)
TiTitanium
Ti HongquiiteTiO
Ti IlmeniteFe2+TiO3
CrChromium
Cr ChromiteFe2+Cr23+O4
FeIron
Fe ChromiteFe2+Cr23+O4
Fe GupeiiteFe3Si
Fe IlmeniteFe2+TiO3
Fe IronFe
Fe Iron (var: Kamacite)(Fe,Ni)
Fe MaghemiteFe23+O3
Fe MagnetiteFe2+Fe23+O4
Fe Taenite(Fe,Ni)
Fe WüstiteFeO
Fe XifengiteFe5Si3
NiNickel
Ni Iron (var: Kamacite)(Fe,Ni)
Ni Taenite(Fe,Ni)
CuCopper
Cu CopperCu
ZrZirconium
Zr ZirconZr(SiO4)
AuGold
Au GoldAu

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Zuxiang Yu (1984): Two new minerals Gupeiite and Xifengite in cosmic dusts from Yanshan. Acta Petrologica Mineralogica et Analytica 3(3), 231-240 (in Chinese with English abstract).


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