Clover Springs meteorite, Clover Springs, Gila County, Arizona, USAi
| Regional Level Types | |
|---|---|
| Clover Springs meteorite | Meteorite Fall Location |
| Clover Springs | Group of Springs |
| Gila County | County |
| Arizona | State |
| USA | Country |
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Latitude & Longitude (WGS84):
34° 27' North , 111° 22' West
Latitude & Longitude (decimal):
Locality type:
Meteorite Class:
Meteoritical Society Class:
Köppen climate type:
Nearest Settlements:
| Place | Population | Distance |
|---|---|---|
| Pine | 1,963 (2011) | 10.9km |
| Whispering Pines | 148 (2011) | 11.6km |
| Strawberry | 961 (2011) | 12.5km |
| East Verde Estates | 170 (2017) | 16.9km |
| Mesa del Caballo | 765 (2011) | 19.4km |
Stony-iron, Mesosiderite-A2
Find, 1954; 7.7 kg
A single mass was found ~20 km SW of Clover Springs. The meteorite is an unexceptional mesosiderite with silicates (mostly orthopyroxene and lesser plagioclase) accounting for most of the volume and mass (Fe-Ni metal <40 wt%). Pyroxene, plagioclase and lesser amounts of olivine are found both as individual clasts and matrix components. Kamacite, taenite, and troilite are the most prominent opaques. Additional minor silicates, chromite, ilmenite, and merrillite are also reported. Clover Springs is classified as an Mesosiderites-A2 (subclass B, moderate plagioclase; petrologic type 2, moderately reequilibrated matrix).
Clover Springs is the most massive of three meteorites classified as Mesosiderite-A2 at the Meteoritical Database (as of early June 2015). The largest Clover Springs pieces are or have been held by the Natural History Museum in London (2.419 kg), the U.S. National Museum in Washington (1.05 kg), the Max-PIanck-Institute in Mainz, Germany (921 g), and at Arizona State University in Tempe (415 g).
Select Mineral List Type
Standard Detailed Gallery Strunz Chemical ElementsMineral List
7 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:
| ⓘ Chromite Formula: Fe2+Cr3+2O4 Reference: Prinz, M., Delaney, J. S., Harlow, G. E., Bedell, R. L. & Nehru, C. E. (1980) Modal studies of mesosiderites and related achondrites, including the new mesosiderite ALHA 77219: Lunar and Planetary Science Conference XI: 1055-1071.; Mittlefehldt, D. W., McCoy, T. J., Goodrich, C. A. & Kracher, A. (1998). Non-chondritic meteorites from asteroidal bodies. In: Planetary Materials (Papike, J. J. [Ed.]): Chapter 4, 195 pages. Mineralogical Society of America: Washington, DC, USA. ; Bunch, T. E. & Keil , K. (1971) Chromite and Ilmenite in non-chondritic meteoritics. American Mineralogist 56 (1/2); 146-157 (Jan/Feb 1971) |
| ⓘ 'Clinopyroxene Subgroup' Reference: Prinz, M., Delaney, J. S., Harlow, G. E., Bedell, R. L. & Nehru, C. E. (1980) Modal studies of mesosiderites and related achondrites, including the new mesosiderite ALHA 77219: Lunar and Planetary Science Conference XI: 1055-1071.; Mittlefehldt, D. W., McCoy, T. J., Goodrich, C. A. & Kracher, A. (1998). Non-chondritic meteorites from asteroidal bodies. In: Planetary Materials (Papike, J. J. [Ed.]): Chapter 4, 195 pages. Mineralogical Society of America: Washington, DC, USA. |
| ⓘ 'Fayalite-Forsterite Series' Description: Olivine moderately equilibrated (Fo59-66) according to Delaney et al. (1980) Reference: Floran, R. J. (1978) Silicate petrography, classification, and origin of the mesosiderites - Review and new observations. In: Lunar and Planetary Science Conference, Proceedings XI. Vol. 1, 1053-1081: New York, Pergamon Press, Inc.; Delaney, J.S., Nehru, C.E. & Prinz, M. (1980) Olivine clasts from mesosiderites and howardites: Clues to the nature of achondritic parent bodies. Lunar and Planetary Science Conference XI: 1073-1087.; Prinz, M., Delaney, J. S., Harlow, G. E., Bedell, R. L. & Nehru, C. E. (1980) Modal studies of mesosiderites and related achondrites, including the new mesosiderite ALHA 77219: Lunar and Planetary Science Conference XI: 1055-1071.; Mittlefehldt, D. W., McCoy, T. J., Goodrich, C. A. & Kracher, A. (1998). Non-chondritic meteorites from asteroidal bodies. In: Planetary Materials (Papike, J. J. [Ed.]): Chapter 4, 195 pages. Mineralogical Society of America: Washington, DC, USA. |
| ⓘ Ilmenite Formula: Fe2+TiO3 Reference: Bunch, T. E. & Keil , K. (1971) Chromite and Ilmenite in non-chondritic meteoritics. American Mineralogist 56 (1/2); 146-157 (Jan/Feb 1971) |
| ⓘ Iron Formula: Fe Reference: Delaney, J. S., Prinz, M., Harlow, G. E., & Nehru, C. E. (1982) Metamorphism in mesosiderites. In: Proceedings of the Lunar and Planetary Science Conference XII . Section 2.: pp. 1315-1342: New York and Oxford, Pergamon Press. |
| ⓘ Iron var. Kamacite Formula: (Fe,Ni) Reference: Delaney, J. S., Prinz, M., Harlow, G. E., & Nehru, C. E. (1982) Metamorphism in mesosiderites. In: Proceedings of the Lunar and Planetary Science Conference XII . Section 2.: pp. 1315-1342: New York and Oxford, Pergamon Press. |
| ⓘ Merrillite Formula: Ca9NaMg(PO4)7 Reference: Delaney, J. S., Prinz, M., Harlow, G. E., & Nehru, C. E. (1982) Metamorphism in mesosiderites. In: Proceedings of the Lunar and Planetary Science Conference XII . Section 2.: pp. 1315-1342: New York and Oxford, Pergamon Press.; Crozaz, G. & Zinner, E. (1985) Rare Earth Element Concentrations of Mesosiderite Merrillite: Meteoritics 20 (4): 629-630. (Dec 1985) ; Mittlefehldt, D. W., McCoy, T. J., Goodrich, C. A. & Kracher, A. (1998). Non-chondritic meteorites from asteroidal bodies. In: Planetary Materials (Papike, J. J. [Ed.]): Chapter 4, 195 pages. Mineralogical Society of America: Washington, DC, USA. |
| ⓘ 'Orthopyroxene Subgroup' Reference: Prinz, M., Delaney, J. S., Harlow, G. E., Bedell, R. L. & Nehru, C. E. (1980) Modal studies of mesosiderites and related achondrites, including the new mesosiderite ALHA 77219: Lunar and Planetary Science Conference XI: 1055-1071.; Mittlefehldt, D. W., McCoy, T. J., Goodrich, C. A. & Kracher, A. (1998). Non-chondritic meteorites from asteroidal bodies. In: Planetary Materials (Papike, J. J. [Ed.]): Chapter 4, 195 pages. Mineralogical Society of America: Washington, DC, USA. |
| ⓘ 'Plagioclase' Formula: (Na,Ca)[(Si,Al)AlSi2]O8 Reference: Floran, R. J. (1978) Silicate petrography, classification, and origin of the mesosiderites - Review and new observations. In: Lunar and Planetary Science Conference, Proceedings XI. Vol. 1, 1053-1081: New York, Pergamon Press, Inc.; Prinz, M., Delaney, J. S., Harlow, G. E., Bedell, R. L. & Nehru, C. E. (1980) Modal studies of mesosiderites and related achondrites, including the new mesosiderite ALHA 77219: Lunar and Planetary Science Conference XI: 1055-1071.; Mittlefehldt, D. W., McCoy, T. J., Goodrich, C. A. & Kracher, A. (1998). Non-chondritic meteorites from asteroidal bodies. In: Planetary Materials (Papike, J. J. [Ed.]): Chapter 4, 195 pages. Mineralogical Society of America: Washington, DC, USA. |
| ⓘ 'Pyroxene Group' Formula: ADSi2O6 Description: While orthopyroxene is dominant, accounting for approximately half of all silicates, clinopyroxenes account for ≥5% of the silicates (following the modal analyses of Prinz et al.,1980) Reference: Floran, R. J. (1978) Silicate petrography, classification, and origin of the mesosiderites - Review and new observations. In: Lunar and Planetary Science Conference, Proceedings XI. Vol. 1, 1053-1081: New York, Pergamon Press, Inc. |
| ⓘ Taenite Formula: (Fe,Ni) Reference: Delaney, J. S., Prinz, M., Harlow, G. E., & Nehru, C. E. (1982) Metamorphism in mesosiderites. In: Proceedings of the Lunar and Planetary Science Conference XII . Section 2.: pp. 1315-1342: New York and Oxford, Pergamon Press. |
| ⓘ Tridymite Formula: SiO2 Description: Tridymite 8.6% according to the modal analyses of Prinz et al. (1980) Reference: Prinz, M., Delaney, J. S., Harlow, G. E., Bedell, R. L. & Nehru, C. E. (1980) Modal studies of mesosiderites and related achondrites, including the new mesosiderite ALHA 77219: Lunar and Planetary Science Conference XI: 1055-1071.; Mittlefehldt, D. W., McCoy, T. J., Goodrich, C. A. & Kracher, A. (1998). Non-chondritic meteorites from asteroidal bodies. In: Planetary Materials (Papike, J. J. [Ed.]): Chapter 4, 195 pages. Mineralogical Society of America: Washington, DC, USA. |
| ⓘ Troilite Formula: FeS Reference: Delaney, J. S., Prinz, M., Harlow, G. E., & Nehru, C. E. (1982) Metamorphism in mesosiderites. In: Proceedings of the Lunar and Planetary Science Conference XII . Section 2.: pp. 1315-1342: New York and Oxford, Pergamon Press. |
Gallery:
List of minerals arranged by Strunz 10th Edition classification
| Group 1 - Elements | |||
|---|---|---|---|
| ⓘ | Iron | 1.AE.05 | Fe |
| ⓘ | var. Kamacite | 1.AE.05 | (Fe,Ni) |
| ⓘ | Taenite | 1.AE.10 | (Fe,Ni) |
| Group 2 - Sulphides and Sulfosalts | |||
| ⓘ | Troilite | 2.CC.10 | FeS |
| Group 4 - Oxides and Hydroxides | |||
| ⓘ | Chromite | 4.BB.05 | Fe2+Cr3+2O4 |
| ⓘ | Ilmenite | 4.CB.05 | Fe2+TiO3 |
| ⓘ | Tridymite | 4.DA.10 | SiO2 |
| Group 8 - Phosphates, Arsenates and Vanadates | |||
| ⓘ | Merrillite | 8.AC.45 | Ca9NaMg(PO4)7 |
| Unclassified Minerals, Rocks, etc. | |||
| ⓘ | 'Clinopyroxene Subgroup' | - | |
| ⓘ | 'Fayalite-Forsterite Series' | - | |
| ⓘ | 'Orthopyroxene Subgroup' | - | |
| ⓘ | 'Plagioclase' | - | (Na,Ca)[(Si,Al)AlSi2]O8 |
| ⓘ | 'Pyroxene Group' | - | ADSi2O6 |
List of minerals for each chemical element
| O | Oxygen | |
|---|---|---|
| O | ⓘ Pyroxene Group | ADSi2O6 |
| O | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| O | ⓘ Tridymite | SiO2 |
| O | ⓘ Chromite | Fe2+Cr23+O4 |
| O | ⓘ Merrillite | Ca9NaMg(PO4)7 |
| O | ⓘ Ilmenite | Fe2+TiO3 |
| Na | Sodium | |
| Na | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Na | ⓘ Merrillite | Ca9NaMg(PO4)7 |
| Mg | Magnesium | |
| Mg | ⓘ Merrillite | Ca9NaMg(PO4)7 |
| Al | Aluminium | |
| Al | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | Silicon | |
| Si | ⓘ Pyroxene Group | ADSi2O6 |
| Si | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Si | ⓘ Tridymite | SiO2 |
| P | Phosphorus | |
| P | ⓘ Merrillite | Ca9NaMg(PO4)7 |
| S | Sulfur | |
| S | ⓘ Troilite | FeS |
| Ca | Calcium | |
| Ca | ⓘ Plagioclase | (Na,Ca)[(Si,Al)AlSi2]O8 |
| Ca | ⓘ Merrillite | Ca9NaMg(PO4)7 |
| Ti | Titanium | |
| Ti | ⓘ Ilmenite | Fe2+TiO3 |
| Cr | Chromium | |
| Cr | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | Iron | |
| Fe | ⓘ Chromite | Fe2+Cr23+O4 |
| Fe | ⓘ Iron var. Kamacite | (Fe,Ni) |
| Fe | ⓘ Taenite | (Fe,Ni) |
| Fe | ⓘ Troilite | FeS |
| Fe | ⓘ Ilmenite | Fe2+TiO3 |
| Fe | ⓘ Iron | Fe |
| Ni | Nickel | |
| Ni | ⓘ Iron var. Kamacite | (Fe,Ni) |
| Ni | ⓘ Taenite | (Fe,Ni) |
References
Sort by
Year (asc) Year (desc) Author (A-Z) Author (Z-A)Krinov, E. L. - Editor (1957) The Meteoritical Bulletin, No. 5. Moscow. (Sept 1957)
Bunch, T. E. & Keil , K. (1971) Chromite and Ilmenite in non-chondritic meteoritics. American Mineralogist 56 (1/2); 146-157. (Jan/Feb 1971)
Floran, R. J. (1978) Silicate petrography, classification, and origin of the mesosiderites - Review and new observations. In: Lunar and Planetary Science Conference, Proceedings XI. Vol. 1, 1053-1081: New York, Pergamon Press, Inc.
Prinz, M., Delaney, J. S., Harlow, G. E., Bedell, R. L. & Nehru, C. E. (1980) Modal studies of mesosiderites and related achondrites, including the new mesosiderite ALHA 77219: Lunar and Planetary Science Conference XI: 1055-1071.
Delaney, J.S., Nehru, C.E. & Prinz, M. (1980) Olivine clasts from mesosiderites and howardites: Clues to the nature of achondritic parent bodies. Lunar and Planetary Science Conference XI: 1073-1087.
Delaney, J. S., Prinz, M., Harlow, G. E., & Nehru, C. E. (1982) Metamorphism in mesosiderites. In: Proceedings of the Lunar and Planetary Science Conference XII . Section 2.: pp. 1315-1342: New York and Oxford, Pergamon Press.
Crozaz, G. & Zinner, E. (1985) Rare Earth Element Concentrations of Mesosiderite Merrillite: Meteoritics 20 (4): 629-630. (Dec 1985)
Mittlefehldt, D. W., McCoy, T. J., Goodrich, C. A. & Kracher, A. (1998). Non-chondritic meteorites from asteroidal bodies. In: Planetary Materials (Papike, J. J. [Ed.]): Chapter 4, 195 pages. Mineralogical Society of America: Washington, DC, USA. [See, esp. - Table 41]
Grady, M. M. (2000) Catalogue of Meteorites (5/e). Cambridge University Press: Cambridge, New York, Oakleigh, Madrid, Cape Town. 690 pages.
Grady, M. M, Pratesi, G. & Cecchi, V. M. (2015) Atlas of Meteorites (5/e). Cambridge University Press: Cambridge, UK. 373 pages.
External Links
http://www.lpi.usra.edu/meteor/docs/mb05.pdf - Meteoritical Bulletin, No. 5
http://www.lpi.usra.edu/meteor/metbull.php - Meteoritical Bulletin Database
http://www.lpi.usra.edu/meteor/metbull.php?sea=Clover+Springs&sfor=names&ants=&falls=&valids=&stype=contains&lrec=50&map=ge&browse=&country=All&srt=name&categ=All&mblist=All&rect=&phot=&snew=0&pnt=Normal%20table&code=5384
http://www.encyclopedia-of-meteorites.com/test/CloverSprings_don_edwards.jpg
http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?bibcode=1978LPSC....9.1053F&db_key=AST&page_ind=25&plate_select=NO&data_type=GIF&type=SCREEN_GIF&classic=YES - Floran review, 1978]
http://www.lpi.usra.edu/meteor/metbull.php - Meteoritical Bulletin Database
http://www.lpi.usra.edu/meteor/metbull.php?sea=Clover+Springs&sfor=names&ants=&falls=&valids=&stype=contains&lrec=50&map=ge&browse=&country=All&srt=name&categ=All&mblist=All&rect=&phot=&snew=0&pnt=Normal%20table&code=5384
http://www.encyclopedia-of-meteorites.com/test/CloverSprings_don_edwards.jpg
http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?bibcode=1978LPSC....9.1053F&db_key=AST&page_ind=25&plate_select=NO&data_type=GIF&type=SCREEN_GIF&classic=YES - Floran review, 1978]
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