Αρειανός (σεργκόττιτης με ολιβίνη) NEA 145 - 0.65 g
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Μετεωρίτης Αφροδίτης NEA 145 από τη Λιβύη, ολιβινινοφοβικός σεργοδιτής, 0,65 g, με πιστοποιητικό γνησιότητας.
Περίληψη με τη βοήθεια τεχνητής νοημοσύνης
Περιγραφή από τον πωλητή
Northeast Africa 145 (NEA 145)
Libya
Purchased: 2024
Classification: Martian meteorite (Shergottite)
History: Reportedly found in Libya by meteorite hunters in 2024 and purchased by Ali Muftah.
Petrography: (K. Metzler, IfP) Olivine basalt, dominated by elongated pyroxene grains up to 3.5 mm (~50%) with smaller amounts of olivine (~25%) and interstitial plagioclase (~25%). Olivine grains display igneous zoning with increasing Fe concentrations from core to rim. Pyroxene shows a patchy chemical zoning. Plagioclase has been completely shock-transformed to maskelynite. Accessories are ilmenite, Cr-spinel, merrillite, and FeS.
Geochemistry: Mineral compositions and geochemistry: Mean mineral compositions: Olivine Fa49.6±5.2 (Fa43.0-60.3); Fe/Mn (at.): 54.7; n=11. Pyroxene Fs32.0±7.0Wo19.8±9.0 (Fs20.6-39.6Wo7.6-34.3); Fe/Mn (at.): 31.5; n=14. Plagioclase (maskelynite) An49.9±2.9Or2.9±0.6 (An43.9-53.0Or2.0-3.9); n=11.
Classification: Martian (olivine-bearing shergottite), based on texture and mineral chemistry.
Shock stage: M-S4
Weathering grade: low
Classifier: K. Metzler, IfP.
This lot comes with certificate of authenticity.
Thanks for your interest.
Northeast Africa 145 (NEA 145)
Libya
Purchased: 2024
Classification: Martian meteorite (Shergottite)
History: Reportedly found in Libya by meteorite hunters in 2024 and purchased by Ali Muftah.
Petrography: (K. Metzler, IfP) Olivine basalt, dominated by elongated pyroxene grains up to 3.5 mm (~50%) with smaller amounts of olivine (~25%) and interstitial plagioclase (~25%). Olivine grains display igneous zoning with increasing Fe concentrations from core to rim. Pyroxene shows a patchy chemical zoning. Plagioclase has been completely shock-transformed to maskelynite. Accessories are ilmenite, Cr-spinel, merrillite, and FeS.
Geochemistry: Mineral compositions and geochemistry: Mean mineral compositions: Olivine Fa49.6±5.2 (Fa43.0-60.3); Fe/Mn (at.): 54.7; n=11. Pyroxene Fs32.0±7.0Wo19.8±9.0 (Fs20.6-39.6Wo7.6-34.3); Fe/Mn (at.): 31.5; n=14. Plagioclase (maskelynite) An49.9±2.9Or2.9±0.6 (An43.9-53.0Or2.0-3.9); n=11.
Classification: Martian (olivine-bearing shergottite), based on texture and mineral chemistry.
Shock stage: M-S4
Weathering grade: low
Classifier: K. Metzler, IfP.
This lot comes with certificate of authenticity.
Thanks for your interest.
Λεπτομέρειες
όνομα μετεωρίτη
Martian (olivine-bearing shergottite)
τύπος μετεωρίτη
NEA 145
Συμπληρωματικά στοιχεία
Do not reserve price.
Βάρος
0.65 g
Χώρα
Libya
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