- Tytuł:
-
Petrologiczna i mineralogiczna charakterystyka chondrytu węglistego NWA 4967
Petrological and mineralogical characteristics of NWA 4967 carbonaceous chondrite - Autorzy:
- Szurgot, Marian
- Powiązania:
- https://bibliotekanauki.pl/articles/1033012.pdf
- Data publikacji:
- 2014
- Wydawca:
- Polskie Towarzystwo Meteorytowe
- Tematy:
-
NWA 4967
chondrites
extraterrestrial minerals
meteorites
optical microscopy
petrographic thin sections - Opis:
- NWA 4967 carbonaceous chondrite thin section was investigated by optical microscopes in transmission and in reflection. Minerals of the meteorite have been identified and microstructure analyzed. Chondrules, matrix, metal phases, AOAs and CAIs are constituents of the rock, as expected. Olivine, clinopyroxene, orthopyroxene, troilite, kamacite and feldspar have been detected. Various types of chondrules including: PO, POP, PP, RP, BO, C, GOP and GO chondrules were identified. Compositional zoning of some olivines, diagnostic cracks in pyroxenes, clinopyroxene twins, and chondrule rims have been observed and analyzed. Our previous EPMA and Raman data as well as present optical data confirm that NWA 4967 belongs to CO3.2 chondrites, as previously classified.
- Źródło:
-
Acta Societatis Metheoriticae Polonorum; 2014, 5; 121-148
2080-5497 - Pojawia się w:
- Acta Societatis Metheoriticae Polonorum
- Dostawca treści:
- Biblioteka Nauki