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Maowu complex, Qianshan Co., Anqing, Anhui, Chinai
Regional Level Types
Maowu complexComplex
Qianshan Co.County
AnqingPrefecture
AnhuiProvince
ChinaCountry

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Key
Lock Map
Location is approximate, estimate based on other nearby localities.
 
Latitude & Longitude (WGS84): 30° North , 116° East (est.)
Margin of Error:~37km
Locality type:Complex
Köppen climate type:Cfa : Humid subtropical climate


Mafic/ultramafic complex : eclogites/garnet pyroxenites/omphacite pyroxenites layered intrusion in UHP Dabieshan terrane.
Associated harzburgites.
Crustal layered intrusion (Proterozoic magma contaminated by meteoritic water) subducted along gneisses to mantle depth. It underwent UHP (depth > 100 km) metamorphism during China North/South blocks Triassic collision.
Contamination by upper crustal rocks during emplacement and differentiation.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


12 valid minerals.

Detailed Mineral List:

'Apatite'
Reference: B.M. Jahn et al. , Publication Interne, PL01005, Géosciences, Rennes University, France.
Chromite
Formula: Fe2+Cr3+2O4
Reference: The Island Arc, April 1998, V 7, N 1-2, pp. 135-141.
Clinohumite
Formula: Mg9(SiO4)4F2
Reference: Am. Min. , V 84, pp. 564-569, 1999.
Clinohumite var: Titanclinohumite
Formula: Mg9(SiO4)4F2
Reference: Am. Min. , V 84, pp. 564-569, 1999.
Diopside
Formula: CaMgSi2O6
Description: Inclusions in orthopyroxene. Contains 29 mol % of Kosmochlor.
Reference: The Island Arc, April 1998, V 7, N 1-2, pp. 135-141.
Diopside var: Chromian Diopside
Formula: Ca(Mg,Cr)Si2O6
Description: Inclusions in orthopyroxene. Contains 29 mol % of Kosmochlor.
Reference: The Island Arc, April 1998, V 7, N 1-2, pp. 135-141.
Fayalite
Formula: Fe2+2SiO4
Reference: Am. Min. , V 84, pp. 564-569, 1999.
Forsterite
Formula: Mg2SiO4
Reference: Am. Min. , V 84, pp. 564-569, 1999.
Magnetite
Formula: Fe2+Fe3+2O4
Description: Lamellae in olivine and titanclinohumite from harzburgite and garnet pyroxenite.
Reference: Am. Min. , V 84, pp. 564-569, 1999.
Monazite-(Ce)
Formula: Ce(PO4)
Description: Lamellae in apatite of the garnet pyroxenites.
Reference: Am. Min. , V 84, pp. 564-569, 1999.
Omphacite
Formula: (NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Reference: Luo Yan, Gao Shan, Yuan Honglin, Liu Xiaomin, Günther, D., Jin Zhenmin, and Sun Min (2004): Science in China, Series D (Earth Sciences), 47(10), 920-930.
'Orthopyroxene Subgroup'
Reference: The Island Arc, April 1998, V 7, N 1-2, pp. 135-141.
Pyrope
Formula: Mg3Al2(SiO4)3
Description: Chrom-rich pyrope.
Reference: The Island Arc, April 1998, V 7, N 1-2, pp. 135-141.
Rutile
Formula: TiO2
Description: Chrom-rich rutile.
Reference: The Island Arc, April 1998, V 7, N 1-2, pp. 135-141.
Wadsleyite
Formula: (Mg,Fe2+)2(SiO4)
Description: Exsolution of wadsleyite into magnetite + fayalite in forsterite.
Reference: Am. Min. , V 84, pp. 564-569, 1999.
Zircon
Formula: Zr(SiO4)
Reference: B.M. Jahn et al. , Publication Interne, PL01005, Géosciences, Rennes University, France.

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Chromite4.BB.05Fe2+Cr3+2O4
Magnetite4.BB.05Fe2+Fe3+2O4
Rutile4.DB.05TiO2
Group 8 - Phosphates, Arsenates and Vanadates
Monazite-(Ce)8.AD.50Ce(PO4)
Group 9 - Silicates
Clinohumite9.AF.55Mg9(SiO4)4F2
var: Titanclinohumite9.AF.55Mg9(SiO4)4F2
Diopside9.DA.15CaMgSi2O6
var: Chromian Diopside9.DA.15Ca(Mg,Cr)Si2O6
Fayalite9.AC.05Fe2+2SiO4
Forsterite9.AC.05Mg2SiO4
Omphacite9.DA.20(NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Pyrope9.AD.25Mg3Al2(SiO4)3
Wadsleyite9.BE.02(Mg,Fe2+)2(SiO4)
Zircon9.AD.30Zr(SiO4)
Unclassified Minerals, Rocks, etc.
'Apatite'-
Orthopyroxene Subgroup-

List of minerals arranged by Dana 8th Edition classification

Group 4 - SIMPLE OXIDES
AX2
Rutile4.4.1.1TiO2
Group 7 - MULTIPLE OXIDES
AB2X4
Chromite7.2.3.3Fe2+Cr3+2O4
Magnetite7.2.2.3Fe2+Fe3+2O4
Group 38 - ANHYDROUS NORMAL PHOSPHATES, ARSENATES, AND VANADATES
AXO4
Monazite-(Ce)38.4.3.1Ce(PO4)
Group 51 - NESOSILICATES Insular SiO4 Groups Only
Insular SiO4 Groups Only with all cations in octahedral [6] coordination
Fayalite51.3.1.1Fe2+2SiO4
Forsterite51.3.1.2Mg2SiO4
Wadsleyite51.3.4.1(Mg,Fe2+)2(SiO4)
Insular SiO4 Groups Only with cations in [6] and >[6] coordination
Pyrope51.4.3a.1Mg3Al2(SiO4)3
Insular SiO4 Groups Only with cations in >[6] coordination
Zircon51.5.2.1Zr(SiO4)
Group 52 - NESOSILICATES Insular SiO4 Groups and O,OH,F,H2O
Insular SiO4 Groups and O, OH, F, and H2O with cations in [6] coordination only
Clinohumite52.3.2d.1Mg9(SiO4)4F2
Group 65 - INOSILICATES Single-Width,Unbranched Chains,(W=1)
Single-Width Unbranched Chains, W=1 with chains P=2
Diopside65.1.3a.1CaMgSi2O6
Omphacite65.1.3b.1(NaaCabFe2+cMgd)(AleFe3+fFe2+gMgh)Si2O6
Unclassified Minerals, Rocks, etc.
'Apatite'-
Clinohumite
var: Titanclinohumite
-Mg9(SiO4)4F2
Diopside
var: Chromian Diopside
-Ca(Mg,Cr)Si2O6
'Orthopyroxene Subgroup'-

List of minerals for each chemical element

OOxygen
O Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
O ChromiteFe2+Cr23+O4
O ClinohumiteMg9(SiO4)4F2
O DiopsideCaMgSi2O6
O FayaliteFe22+SiO4
O ForsteriteMg2SiO4
O MagnetiteFe2+Fe23+O4
O Monazite-(Ce)Ce(PO4)
O Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
O PyropeMg3Al2(SiO4)3
O RutileTiO2
O Clinohumite (var: Titanclinohumite)Mg9(SiO4)4F2
O Wadsleyite(Mg,Fe2+)2(SiO4)
O ZirconZr(SiO4)
FFluorine
F ClinohumiteMg9(SiO4)4F2
F Clinohumite (var: Titanclinohumite)Mg9(SiO4)4F2
NaSodium
Na Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
MgMagnesium
Mg Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Mg ClinohumiteMg9(SiO4)4F2
Mg DiopsideCaMgSi2O6
Mg ForsteriteMg2SiO4
Mg Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Mg PyropeMg3Al2(SiO4)3
Mg Clinohumite (var: Titanclinohumite)Mg9(SiO4)4F2
Mg Wadsleyite(Mg,Fe2+)2(SiO4)
AlAluminium
Al Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Al PyropeMg3Al2(SiO4)3
SiSilicon
Si Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Si ClinohumiteMg9(SiO4)4F2
Si DiopsideCaMgSi2O6
Si FayaliteFe22+SiO4
Si ForsteriteMg2SiO4
Si Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
Si PyropeMg3Al2(SiO4)3
Si Clinohumite (var: Titanclinohumite)Mg9(SiO4)4F2
Si Wadsleyite(Mg,Fe2+)2(SiO4)
Si ZirconZr(SiO4)
PPhosphorus
P Monazite-(Ce)Ce(PO4)
CaCalcium
Ca Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Ca DiopsideCaMgSi2O6
Ca Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
TiTitanium
Ti RutileTiO2
CrChromium
Cr Diopside (var: Chromian Diopside)Ca(Mg,Cr)Si2O6
Cr ChromiteFe2+Cr23+O4
FeIron
Fe ChromiteFe2+Cr23+O4
Fe FayaliteFe22+SiO4
Fe MagnetiteFe2+Fe23+O4
Fe Omphacite(NaaCabFec2+Mgd)(AleFef3+Feg2+Mgh)Si2O6
ZrZirconium
Zr ZirconZr(SiO4)
CeCerium
Ce Monazite-(Ce)Ce(PO4)

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
- B.M. Jahn et al., Publication Interne, PL01005, Géosciences, Rennes University, France
- The Island Arc 7(1/2), 135-141 (1998)
- American Mineralogist 84, 564-569 (1999)
- Chemical Geology 186, 315-331 (2002)
- Luo Yan, Gao Shan, Yuan Honglin, Liu Xiaomin, Günther, D., Jin Zhenmin, and Sun Min (2004): Ce anomaly in minerals of eclogite and garnet pyroxenite from Dabie-Sulu ultrahigh pressure metamorphic belt: Tacking subducted sediment formed under oxidizing conditions. Science in China, Series D (Earth Sciences), 47(10), 920-930.


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