New Orleans meteorite (N'awlins meteorite), New Orleans, Orleans Parish, Louisiana, USAi
| Regional Level Types | |
|---|---|
| New Orleans meteorite (N'awlins meteorite) | Meteorite Fall Location |
| New Orleans | City |
| Orleans Parish | Parish |
| Louisiana | State |
| USA | Country |
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Latitude & Longitude (WGS84):
29° 56' 49'' North , 90° 6' 34'' West
Latitude & Longitude (decimal):
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| New Orleans | 389,617 (2017) | 3.4km |
| Jefferson | 11,193 (2011) | 4.7km |
| Marrero | 33,141 (2011) | 5.4km |
| Westwego | 8,542 (2017) | 5.5km |
| Harvey | 20,348 (2011) | 5.8km |
An H5 type olivine-bronzite chondrite meteorite, estimated to weigh 20 kg, fell about 4:00 P.M. on September 23, 2003. The mass penetrated a residence, landing in a crawl space beneath the house. Many smaller fragments were found in nearby streets and yards after a systematic search by University of New Orleans Department of Geology and Geophysics (MP²) students used magnets to scour the gutters, yielding about 100 grams of additional material.
Olivine composition (Fa17.7) and orthopyroxene composition (Fs17.2) are consistent with those of the H-group (high total iron) of ordinary chondrites. Currently 171 meteorite of the relatively well equilibrated H5 petrologic type are listed at the Meteoritical Bulletin Database (2015) making them the most numerous petrological type among H group ordinary chondrites, the 2nd most abundant geochemical group (366 records) and accounting for over 30% of fully classified meteorite falls.
Terminology Caveat: Many contemporary terrestrial geologists refer to olivine with ≥ 50 mol% forsterite 50 and orthopyroxene with ≥ 50 mol% enstatite as 'Forsterite' and 'Enstatite,' respectively, as in the posted Mineral List. However, it may be helpful to know that within the meteoritical literature these terms are used almost exclusively for extremely iron-poor olivine and iron-poor orthopyroxene.
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsDetailed Mineral List:
| ⓘ Albite Formula: Na(AlSi3O8) |
| ⓘ Albite var. Oligoclase Formula: (Na,Ca)[Al(Si,Al)Si2O8] |
| ⓘ 'Apatite' Formula: Ca5(PO4)3(Cl/F/OH) Description: Rare component. |
| ⓘ Augite Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| ⓘ Chromite Formula: Fe2+Cr3+2O4 |
| ⓘ Diopside Formula: CaMgSi2O6 |
| ⓘ Enstatite Formula: Mg2Si2O6 |
| ⓘ 'Fayalite-Forsterite Series' |
| ⓘ Forsterite Formula: Mg2SiO4 Description: 17.7% mole percent fayalite. |
| ⓘ 'Meteoritic Iron' Description: Fe-Ni metal with this composition (Ni = 6.7 wt %, Co = 0.38 %) often contains a kamacite component. |
| ⓘ 'Orthopyroxene Subgroup' |
| ⓘ 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ Taenite Formula: (Ni,Fe) Description: Fe:Ni::13:1. The metallic component that allowed retrival of fragments by magnets. |
| ⓘ Troilite Formula: FeS |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Taenite | 1.AE.10 | (Ni,Fe) |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Troilite | 2.CC.10 | FeS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| Group 9 - Silicates | |||
| ⓘ | Forsterite | 9.AC.05 | Mg2SiO4 |
| ⓘ | Enstatite | 9.DA.05 | Mg2Si2O6 |
| ⓘ | Augite | 9.DA.15 | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| ⓘ | Diopside | 9.DA.15 | CaMgSi2O6 |
| ⓘ | Albite | 9.FA.35 | Na(AlSi3O8) |
| ⓘ | var. Oligoclase | 9.FA.35 | (Na,Ca)[Al(Si,Al)Si2O8] |
| Unclassified | |||
| ⓘ | 'Fayalite-Forsterite Series' | - | |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'Meteoritic Iron' | - | |
| ⓘ | 'Orthopyroxene Subgroup' | - | |
| ⓘ | 'Apatite' | - | Ca5(PO4)3(Cl/F/OH) |
List of minerals for each chemical element
| H | Hydrogen | |
|---|---|---|
| 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 | ⓘ Diopside | CaMgSi2O6 |
| O | ⓘ Enstatite | Mg2Si2O6 |
| O | ⓘ Forsterite | Mg2SiO4 |
| O | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| O | ⓘ Fayalite-Forsterite Series | |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| 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 | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Mg | Magnesium | |
| Mg | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Mg | ⓘ Diopside | CaMgSi2O6 |
| Mg | ⓘ Enstatite | Mg2Si2O6 |
| Mg | ⓘ Forsterite | Mg2SiO4 |
| Mg | ⓘ Fayalite-Forsterite Series | |
| Al | Aluminium | |
| Al | ⓘ Albite | Na(AlSi3O8) |
| Al | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | ⓘ Albite | Na(AlSi3O8) |
| Si | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Si | ⓘ Diopside | CaMgSi2O6 |
| Si | ⓘ Enstatite | Mg2Si2O6 |
| Si | ⓘ Forsterite | Mg2SiO4 |
| Si | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Si | ⓘ Fayalite-Forsterite Series | |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| P | Phosphorus | |
| P | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| S | Sulfur | |
| S | ⓘ Troilite | FeS |
| Cl | Chlorine | |
| Cl | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Ca | Calcium | |
| Ca | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Ca | ⓘ Diopside | CaMgSi2O6 |
| Ca | ⓘ Albite var. Oligoclase | (Na,Ca)[Al(Si,Al)Si2O8] |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ca | ⓘ Apatite | Ca5(PO4)3(Cl/F/OH) |
| Cr | Chromium | |
| Cr | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | Iron | |
| Fe | ⓘ Augite | (CaxMgyFez)(Mgy1Fez1)Si2O6 |
| Fe | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | ⓘ Taenite | (Ni,Fe) |
| Fe | ⓘ Troilite | FeS |
| Fe | ⓘ Fayalite-Forsterite Series | |
| Ni | Nickel | |
| Ni | ⓘ Taenite | (Ni,Fe) |
Other Regions, Features and Areas containing this locality
North AmericaContinent
North America PlateTectonic Plate
- Gulf of Mexico BasinBasin
- Northern Gulf of Mexico MarginPassive Margin
- Sabine DomainDomain
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New Orleans meteorite, New Orleans, Orleans Parish, Louisiana, USA