Chainpur meteorite, Mau District, Uttar Pradesh, Indiai
Regional Level Types | |
---|---|
Chainpur meteorite | Meteorite Fall Location |
Mau District | District |
Uttar Pradesh | State |
India | Country |
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Latitude & Longitude (WGS84):
25° 51' 0'' North , 83° 28' 59'' East
Latitude & Longitude (decimal):
Meteorite Class:
Meteoritical Society Class:
Köppen climate type:
Nearest Settlements:
Place | Population | Distance |
---|---|---|
Mau | 246,050 (2015) | 12.8km |
Kopāganj | 33,539 (2015) | 20.6km |
Muhammadābād | 24,146 (2014) | 22.9km |
Sādāt | 11,211 (2015) | 26.9km |
Ghosī | 39,138 (2015) | 29.0km |
Mindat Locality ID:
258978
Long-form identifier:
mindat:1:2:258978:0
GUID (UUID V4):
a674a87b-c279-4cd9-8c10-a23dfab5c798
LL3.4; S1, Primitive Ordinary Chondrite
Fall, 9 May 1907, 13:30 hrs; 8.2 kg
The Chainpur meteorite fell with detonations in 1907 near the borders of Ghazipur and Azamgarh. The fragments included one 5.4 kg stone. While Chainpur's classification as a very low iron ordinary chondrite is unremarkable, what is remarkable is that Chainpur is a fairly large and quite primitive meteorite which has experienced only minor episodes of the thermal and/or aqueous alteration which has befallen most ancient meteorites. Chainpur is comprised mostly of olivine, pyroxene, and plagioclase in both chondrules and matrix. And, as is normal for LL chondrites, it possesses moderate amounts of metallic nickel-iron (mostly kamacite) and sulfides (mostly troilite). What is not quite so normal, however, is the large number of small and diverse Chainpur components which are not in equilibrium with each other. These regions and inclusions include a number of pyroxenes along with a variety of silica saturated and silica-undersaturated assemblages. These assemblages help to give this particular meteorite considerably more mineralogical diversity than more metamorphosed type 4, 5, and 6 LL chondrites which have essentially the same overall chemical composition. The scientific importance of such unequilibrated chondrites is that they offer additional clues about constituents of the ancient solar nebula present before the chondrite homeworlds were fully assembled.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
20 valid minerals.
Meteorite/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 DiagramDetailed Mineral List:
ⓘ Albite Formula: Na(AlSi3O8) |
ⓘ 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) |
ⓘ Augite Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6 Description: Instances of overgrowing low-Ca pyroxene References: |
ⓘ Augite var. Ferroaugite |
ⓘ Chromite Formula: Fe2+Cr3+2O4 References: |
ⓘ Clinoenstatite Formula: MgSiO3 |
ⓘ 'Clinopyroxene Subgroup' References: |
ⓘ Copper Formula: Cu |
ⓘ Diopside Formula: CaMgSi2O6 References: |
ⓘ Enstatite Formula: Mg2Si2O6 Description: Enstatite (En93), sensu stricto, in one chondrule. References: |
ⓘ Fayalite Formula: Fe2+2SiO4 Description: Olivine Range Fa18-88 reported by Krot et al. (2006). |
ⓘ 'Fayalite-Forsterite Series' Description: Olivine range of Fa 0-34 (mol%) reported in Ruzicka (1990) References: |
ⓘ 'Feldspar Group' |
ⓘ Forsterite Formula: Mg2SiO4 Description: Extremely Fe-poor olivines include an Fo99.7 grain. References: |
ⓘ 'Glass' References: |
ⓘ Ilmenite Formula: Fe2+TiO3 |
ⓘ Iron Formula: Fe Description: Slightly variable Ni content (3-5.5%) reflects lack of equilibrium [Brearley & Jones, 1998] References: |
ⓘ Iron var. Kamacite Formula: (Fe,Ni) Description: Slightly variable Ni content (3-5.5%) reflects lack of equilibrium [Brearley & Jones, 1998] References: |
ⓘ Magnetite Formula: Fe2+Fe3+2O4 |
ⓘ Nepheline Formula: Na3K(Al4Si4O16) Description: Several instances of feldspathoids in chondrules (Bridges & Hutchison, 1995) References: |
ⓘ Nickel Formula: Ni |
ⓘ 'Orthopyroxene Subgroup' |
ⓘ Pigeonite Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6 References: |
ⓘ 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 Description: An55-80 reported by Töpel-Schadt & Müller (1979) References: |
ⓘ 'Pyroxene Group' Formula: ADSi2O6 |
ⓘ 'Scapolite' Description: Several instances of feldspathoids in chondrules (Bridges & Hutchison, 1995) References: |
ⓘ Schreibersite Formula: (Fe,Ni)3P |
ⓘ 'Silica' |
ⓘ 'Smectite Group' Formula: A0.3D2-3[T4O10]Z2 · nH2O |
ⓘ Sodalite Formula: Na4(Si3Al3)O12Cl Description: Includes microcrystalline grains in mesostases; Several instances of feldspathoids in chondrules (Bridges & Hutchison, 1995) References: |
ⓘ Spinel Formula: MgAl2O4 References: |
ⓘ Taenite Formula: (Fe,Ni) Description: 30-50% Ni content References: |
ⓘ Troilite Formula: FeS References: |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
Group 1 - Elements | |||
---|---|---|---|
ⓘ | Copper | 1.AA.05 | Cu |
ⓘ | Nickel | 1.AA.05 | Ni |
ⓘ | Iron | 1.AE.05 | Fe |
ⓘ | var. Kamacite | 1.AE.05 | (Fe,Ni) |
ⓘ | Taenite | 1.AE.10 | (Fe,Ni) |
ⓘ | Schreibersite | 1.BD.05 | (Fe,Ni)3P |
Group 2 - Sulphides and Sulfosalts | |||
ⓘ | Troilite | 2.CC.10 | FeS |
Group 4 - Oxides and Hydroxides | |||
ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
ⓘ | Magnetite | 4.BB.05 | Fe2+Fe3+2O4 |
ⓘ | Spinel | 4.BB.05 | MgAl2O4 |
ⓘ | Ilmenite | 4.CB.05 | Fe2+TiO3 |
Group 9 - Silicates | |||
ⓘ | Fayalite | 9.AC.05 | Fe2+2SiO4 |
ⓘ | Forsterite | 9.AC.05 | Mg2SiO4 |
ⓘ | Enstatite | 9.DA.05 | Mg2Si2O6 |
ⓘ | Pigeonite | 9.DA.10 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
ⓘ | Clinoenstatite | 9.DA.10 | MgSiO3 |
ⓘ | Augite var. Ferroaugite | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
ⓘ | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 | |
ⓘ | Diopside | 9.DA.15 | CaMgSi2O6 |
ⓘ | Nepheline | 9.FA.05 | Na3K(Al4Si4O16) |
ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
ⓘ | Sodalite | 9.FB.10 | Na4(Si3Al3)O12Cl |
Unclassified | |||
ⓘ | 'Feldspar Group' | - | |
ⓘ | 'Clinopyroxene Subgroup' | - | |
ⓘ | 'Fayalite-Forsterite Series' | - | |
ⓘ | 'Scapolite' | - | |
ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
ⓘ | 'Pyroxene Group' | - | ADSi2O6 |
ⓘ | 'Silica' | - | |
ⓘ | 'Orthopyroxene Subgroup' | - | |
ⓘ | 'Smectite Group' | - | A0.3D2-3[T4O10]Z2 · nH2O |
ⓘ | 'Glass' | - | |
ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
List of minerals for each chemical element
H | Hydrogen | |
---|---|---|
H | ⓘ Smectite Group | A0.3D2-3[T4O10]Z2 · nH2O |
H | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
O | Oxygen | |
O | ⓘ Albite | Na(AlSi3O8) |
O | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
O | ⓘ Chromite | Fe2+Cr23+O4 |
O | ⓘ Clinoenstatite | MgSiO3 |
O | ⓘ Diopside | CaMgSi2O6 |
O | ⓘ Enstatite | Mg2Si2O6 |
O | ⓘ Fayalite | Fe22+SiO4 |
O | ⓘ Forsterite | Mg2SiO4 |
O | ⓘ Ilmenite | Fe2+TiO3 |
O | ⓘ Magnetite | Fe2+Fe23+O4 |
O | ⓘ Nepheline | Na3K(Al4Si4O16) |
O | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
O | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
O | ⓘ Spinel | MgAl2O4 |
O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
O | ⓘ Pyroxene Group | ADSi2O6 |
O | ⓘ Smectite Group | A0.3D2-3[T4O10]Z2 · nH2O |
O | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
F | Fluorine | |
F | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
Na | Sodium | |
Na | ⓘ Albite | Na(AlSi3O8) |
Na | ⓘ Nepheline | Na3K(Al4Si4O16) |
Na | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Mg | Magnesium | |
Mg | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Mg | ⓘ Clinoenstatite | MgSiO3 |
Mg | ⓘ Diopside | CaMgSi2O6 |
Mg | ⓘ Enstatite | Mg2Si2O6 |
Mg | ⓘ Forsterite | Mg2SiO4 |
Mg | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Mg | ⓘ Spinel | MgAl2O4 |
Al | Aluminium | |
Al | ⓘ Albite | Na(AlSi3O8) |
Al | ⓘ Nepheline | Na3K(Al4Si4O16) |
Al | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
Al | ⓘ Spinel | MgAl2O4 |
Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Si | Silicon | |
Si | ⓘ Albite | Na(AlSi3O8) |
Si | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Si | ⓘ Clinoenstatite | MgSiO3 |
Si | ⓘ Diopside | CaMgSi2O6 |
Si | ⓘ Enstatite | Mg2Si2O6 |
Si | ⓘ Fayalite | Fe22+SiO4 |
Si | ⓘ Forsterite | Mg2SiO4 |
Si | ⓘ Nepheline | Na3K(Al4Si4O16) |
Si | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Si | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Si | ⓘ Pyroxene Group | ADSi2O6 |
P | Phosphorus | |
P | ⓘ Schreibersite | (Fe,Ni)3P |
P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
S | Sulfur | |
S | ⓘ Troilite | FeS |
Cl | Chlorine | |
Cl | ⓘ Sodalite | Na4(Si3Al3)O12Cl |
Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
K | Potassium | |
K | ⓘ Nepheline | Na3K(Al4Si4O16) |
Ca | Calcium | |
Ca | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Ca | ⓘ Diopside | CaMgSi2O6 |
Ca | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
Ti | Titanium | |
Ti | ⓘ Ilmenite | Fe2+TiO3 |
Cr | Chromium | |
Cr | ⓘ Chromite | Fe2+Cr23+O4 |
Fe | Iron | |
Fe | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Fe | ⓘ Chromite | Fe2+Cr23+O4 |
Fe | ⓘ Fayalite | Fe22+SiO4 |
Fe | ⓘ Ilmenite | Fe2+TiO3 |
Fe | ⓘ Iron | Fe |
Fe | ⓘ Iron var. Kamacite | (Fe,Ni) |
Fe | ⓘ Magnetite | Fe2+Fe23+O4 |
Fe | ⓘ Pigeonite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
Fe | ⓘ Schreibersite | (Fe,Ni)3P |
Fe | ⓘ Taenite | (Fe,Ni) |
Fe | ⓘ Troilite | FeS |
Ni | Nickel | |
Ni | ⓘ Iron var. Kamacite | (Fe,Ni) |
Ni | ⓘ Nickel | Ni |
Ni | ⓘ Schreibersite | (Fe,Ni)3P |
Ni | ⓘ Taenite | (Fe,Ni) |
Cu | Copper | |
Cu | ⓘ Copper | Cu |
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