Serra de Magé meteorite, Alagoinha, Pernambuco, Brazil
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Fell - 1 Oct 1923; 1.8 kg
Alagoinha was part of Pesqueira municipality until 1948.
Serra de Magé is an ancient unbrecciated cumulate eucrite composed primarily of weakly oriented anorthite grains (~65-70 vol%) accompanied by several pyroxenes. Minor phases include chromite, silica, troilite, iron (Ni-poor), apatite, and traces of ilmenite and zircon. Considerable attention has been given to the cumulate structure of the orthopyroxene (with its somewhat complex set of augite lamellae) and the associated pigeonite. Almost all of the Serra de Magé mineralogical assemblage appears to be the product of equilibrating, fundamentally anhydrous magmatic activity. However, evidence of a quartz-containing vein and possible preterrestrial Fe oxide/hydroxide suggests that aqueous fluids introduced by late cometary or asteroidal impacts have altered the meteorite in a few small areas.
Mineral List
16 entries listed. 11 valid minerals.
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References
Mason, B. (1967) The Bununu meteorite, and a discussion of the pyroxene-plagioclase achondrites: Geochimica et Cosmochimica Acta 31 (2): 107-115.
Duke, M. B & Silver L. T. (1967) Petrology of eucrites, howardites and mesosiderites: Geochimica et Cosmochimica Acta 31:1637-1665. (Oct 1967)
Bunch, T. E. & Keil, K. (1971) Chromite and Ilmenite in non-chondritic meteoritics. American Mineralogist 56 (1/2); 146-157 (Jan/Feb 1971)
Prinz, M., Nehru, C. E., Berkley, J. L., Keil, K., Jarosewich, E. & Gomes, C. B. (1977) Petrogenesis of the Serra de Magé Cumulate Eucrite: Meteoritics 12 (3): p.341. (Sept 1977)
Mason B., Jarosewich E. & Nelen J. A. (1979) The pyroxene-plagioclase achondrites. Smithson. Contrib. Earth Sci. 22: 27-45.
Mittlefehldt, D. W., McCoy, T. J., Goodrich, C. A. & Kracher, A. (1998). Non-chondritic meteorites from asteroidal bodies. In: Planetary Materials (Papike, J. J., Editor): Chapter 4, 195 pages. Mineralogical Society of America: Washington, DC, USA.
Treiman, A. H., Lanzirotti, A. & Xirouchakis, D. (2004) Ancient water on asteroid 4 Vesta: evidence from a quartz veinlet in the Serra de Magé eucrite meteorite. Earth and Planetary Science Letters, Volume 219, Issue 3-4, p. 189-199. (March 2004)
Sarafian, A. R., Roden, M. F. & Patiño-Douce, A. E. (2013) The volatile content of Vesta: Clues from apatite in eucrites. Meteoritics & Planetary Science 48 (11): 2135-2154. (Nov 2013)
Duke, M. B & Silver L. T. (1967) Petrology of eucrites, howardites and mesosiderites: Geochimica et Cosmochimica Acta 31:1637-1665. (Oct 1967)
Bunch, T. E. & Keil, K. (1971) Chromite and Ilmenite in non-chondritic meteoritics. American Mineralogist 56 (1/2); 146-157 (Jan/Feb 1971)
Prinz, M., Nehru, C. E., Berkley, J. L., Keil, K., Jarosewich, E. & Gomes, C. B. (1977) Petrogenesis of the Serra de Magé Cumulate Eucrite: Meteoritics 12 (3): p.341. (Sept 1977)
Mason B., Jarosewich E. & Nelen J. A. (1979) The pyroxene-plagioclase achondrites. Smithson. Contrib. Earth Sci. 22: 27-45.
Mittlefehldt, D. W., McCoy, T. J., Goodrich, C. A. & Kracher, A. (1998). Non-chondritic meteorites from asteroidal bodies. In: Planetary Materials (Papike, J. J., Editor): Chapter 4, 195 pages. Mineralogical Society of America: Washington, DC, USA.
Treiman, A. H., Lanzirotti, A. & Xirouchakis, D. (2004) Ancient water on asteroid 4 Vesta: evidence from a quartz veinlet in the Serra de Magé eucrite meteorite. Earth and Planetary Science Letters, Volume 219, Issue 3-4, p. 189-199. (March 2004)
Sarafian, A. R., Roden, M. F. & Patiño-Douce, A. E. (2013) The volatile content of Vesta: Clues from apatite in eucrites. Meteoritics & Planetary Science 48 (11): 2135-2154. (Nov 2013)
