CAMPIONE METEORITE - METEORITE SAMPLE

Name Frontier Mountain 93001
Abbreviation FRO 93001
Observed fall No
Place of Recovery Frontier Mountain, Antarctica
Country ANTARCTICA
Italian Antarctic Expedition 9
Latitude 72° 57' 20'' S
Longitude 160° 29' 59'' E
Findsite remarks blue ice, scatterfield; 500 m SE of camp
Field description angular fragment, 2x1x1 cm, 20% fusion crust, crystalline (coarse-grained), magnetic
Find date (dd/mm/yyyy) 4/1/1994
Finder BOI L.
Original Mass (g) 4.84
Mass at MNA (g) 3
Thin section available
Status OFFICIAL
Coarse Type STONY
Type PRIMITIVE ACHONDRITE
Class/Clan
Group ACAPULCOITE
Shock stage S1
Weathering grade W1
Fa (Ol) 13.3±0.3
Fs (low Ca Px) 13.3±0.4
Classified by A. Burroni and L. Folco (MNA-SI)
Comments Gabbro. Acapulcoite/lodranite.
Other data In order of abundance: orthoEn, oligoclasio, Aug, traces of Ol. Corroded xenoliths of probable lodranitic composition are present, composed by Ol (Fo90.4±0.7) and minor Fe-Ni metal, chromite, phosphates, schreibersite, troilite.
References
  1. Burroni A. and Folco L. (2003) Frontier Mountain 93001: an igneous-textured member of the acapulco-lodran clan. Meteorit. Planet. Sci. 38(S7), A98.
    https://doi.org/10.1111/j.1945-5100.2003.tb00333.x
  2. Burroni A. and Folco L. (2003) Frontier Mountain 95029 and 93001: Two primitive achondritic meteorites. Terra Antartica Reports 8, 181-184.
  3. Burroni A. and Folco L. (2008) Frontier Mountain meteorite specimens of the acapulcoite-lodranite clan: Petrography, pairing, and parent-rock lithology of an unusual intrusive rock. Meteorit. Planet. Sci. 43(4), 731-744.
    https://doi.org/10.1111/j.1945-5100.2008.tb00681.x
  4. Folco L. and Rastelli N. (2002) The meteorite collection of the Museo Nazionale dell'Antartide in Siena. December 2002 update. Terra Antartica 9(2), 101-117.
    http://192.167.120.37/Editoria/TAP/TA_pdfs/Volume_09/TA_09_101_Folco.pdf
  5. Folco L., D'Orazio M. and Burroni A. (2006) Frontier Mountain 93001: A coarse-grained, enstatite-augite-oligoclase-rich, igneous rock from the acapulcoite-lodranite parent asteroid. Meteorit. Planet. Sci. 41(8), 1183-1198.
    https://doi.org/10.1111/j.1945-5100.2006.tb00515.x
  6. Grady M.M. (2000) Catalogue of meteorites. Fifth Edition. The Natural History Museum, London, U.K., 690 pp.
    https://doi.org/10.5519/tqfuwle7
  7. Keil K. and McCoy T.J. (2018) Acapulcoite-lodranite meteorites: Ultramafic asteroidal partial melt residues. Chemie der Erde 78(2), 153-203.
    https://doi.org/10.1016/j.chemer.2017.04.004
  8. Rochette P., Gattacceca J., Bourot-Denise M., Consolomagno G., Folco L., Kohout T., Pesonen L. and Sagnotti L. (2009) Magnetic classification of stony meteorites: 3. Achondrites. Meteorit. Planet. Sci. 44(3), 405-427.
    https://doi.org/10.1111/j.1945-5100.2009.tb00741.x
  9. Russell S.S., Zolensky M.E., Righter K., Folco L., Jones R., Connolly H.C., Grady M.M. and Grossman J.N. (2005) The Meteoritical Bulletin, No.89, 2005 September. Meteorit. Planet. Sci. 40(S9), A201-A263.
    https://doi.org/10.1111/j.1945-5100.2005.tb00425.x
PROJECT
Title EUROMET: an European meteorite collection programme
Acr EUROMET
Code
PI Marcello Mellini

Sample Picture