Sigmoidal exsolution by internal shear stress in pyroxenes from chondritic meteorites

Physics and Chemistry of Minerals

Volumn 30, Issue 9, 2003, Pages 503-510

  Ferraris, C ^a,b   Folco, L ^a   Mellini, M ^a  

^a UNIVERSITY OF SIENA   (Italy)

^b NANYANG TECHNOLOGICAL UNIVERSITY   (Singapore)

Author keywords

Chondrule; Exsolution; Pyroxene; Shear stress; Sigmoids

Indexed keywords

COMPOSITION; ELECTRON DIFFRACTION; LATTICE CONSTANTS; MORPHOLOGY; SHEAR STRESS; STACKING FAULTS; STRAIN; TEXTURES;

SHEAR STRAIN; SIGMOIDAL EXSOLUTION;

ORGANIC COMPOUNDS;

CHONDRULE; EXSOLUTION; MICROSTRUCTURE; PHASE TRANSITION; PIGEONITE; PYROXENE; SHEAR STRESS; TEXTURE;

EID: 0344944116     PISSN: 03421791     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00269-003-0349-8     Document Type: Article

References (30)

1. 20) at T = -130, 25, 400 and 700 °C. Z Kristallogn 192: 183-199
2. Brearley AJ, Jones RH (1998) Chondritic meteorites. In: Papike JJ (ed) Planetary materials. Reviews in Mineralogy, vol 36. Mineralogical Society of America, Washington DC pp 3-1 to 3-398
3. Dodd RT (1981) Meteorites: a petrologic-chemical synthesis. Cambridge University Press, Cambridge, UK, pp 368
4. Ferraris C, Folco L, Mellini M (2002) Chondrule thermal history from unequilibrated H chondrites: a transmission and analytical electron microscopy study. Meteorit Planet Sci 37: 1299-1322
5. Feuer H, Schropfer L, Fuess H, Jefferson DA (1989) High-resolution transmission electron microscopy study of exsolution in synthetic pigeonite. Eur J Mineral 1: 507-516
6. Feuer H, Schropfer L, Fuess H (1991) Microstructures and thermal behaviour of igneous pyroxenes. In: Voll G, Topel J, Pattison DRM, Seifert F (eds) Equilibrium and kinetics in contact metamorphism. Springer, Berlin Heidelberg New York, pp 105-120
7. Folco L (1997) Pyroxene thermometry in chondritic meteorites. PhD Dissertation, The Open University, Milton Keynes, UK, pp 188
8. Folco L, Mellini M, Pillinger CT (1996) Unshocked equilibrated H-chondrites: a common low-temperature record from orthopyroxene iron-magnesium ordering. Meteorit Planet Sci 31: 388-393
9. Geiger CA (2001) Solid solutions in silicate and oxide systems, Eötvös University Press, Budapest, Hungary, pp 465
10. Gooding JL, Keil K (1981) Relative abundances of chondrule primary textural types in ordinary chondrites and their bearing on conditions of chondrules formation. Meteoritics 16: 17-43
11. Grossman JN, Rubin AE, Nagahara H, King EA (1988) Properties of chondrules. In: Kerridge JF, Matthews MS (eds) Meteorites and the early solar system. University of Arizona Press, Tucson, Arizona, USA, pp 619-659
12. 3 ortho- and clinopyroxenes. Am Mineral 82: 689-696
13. Iijima S, Buseck PR (1975) High resolution electron microscopy of enstatite. I: Twinning, polymorphism, and polytypism. Am Mineral 60: 758-770
14. Kitamura M, Yasuda M, Morimoto N (1981a) Morphology change of exsolution lamellae of pigeonite in Bushveld augite an electron microscopic observation. Proc Jap Acad 57: 183-187
15. Kitamura M, Yasuda M, Morimoto N (1981b) A study of fine textures of Bushveld augite by 200 kV analytical electron microscope. Bull Minéral 104: 278-284
16. Lindsley DH (1983) Pyroxene thermometry. Am Mineral 68: 477-493
17. McCallister RH (1978) The coarsening kinetics associated with exsolution in an iron-free clinopyroxene. Contrib Mineral Petrol 65: 327-331
18. Moore KT, Elbert DE, Veblen DR (2001a) Energy-filtered transmission electron microscopy (EFTEM) of intergrown pyroxenes. Am Mineral 86: 814-825
19. Moore KT, Veblen DR, Howe JM (2001b) Calcium segregation at antiphase boundaries in pigeonite. Am Mineral 86: 1314-1318
20. Muller WF (1993) Thermal and deformation history of the Shergotty meteorite deduced from clinopyroxene microstructure. Geoch Cosmoch Acta 57: 4311-4322.
21. Putnis A (1992) Introduction to mineral sciences. Cambridge University Press, Cambridge, UK, pp 457
22. Ramsay JG, Huber MI (1987) Modern structural geology, vol 2. Folds and fractures. Academic Press, London pp 700
23. Ried H, Fuess H (1986) Lamellar exsolution systems in clinopyroxene. Transmission electron microscope observations. Phys Chem Miner 13: 113-118
24. Rietmeijer FJM, Champness PE (1982) Exsolution structures in calcic pyroxenes from the Bjerkreim-Sokndal lopolith, SW Norway. Mineral Mag 45: 11-24
25. Robinson P, Jaffe HW, Ross M, Klein C (1971) Orientation of exsolution lamellae in clinopyroxenes and clinoamphiboles: consideration of optimal phase boundaries. Am Mineral 56: 909-939
26. Robinson P, Ross M, Nord GL Jr, Smyth JR, Jaffe HW (1977) Exsolution lamellae in augite and pigeonite: fossil indicators of lattice parameters at high temperature and pressure. Am Mineral 62: 857-873
27. Takeda H, Mori H, Ishii T, Miyamoto M (1981) Thermal and impact histories of pyroxenes in lunar eucrite-like gabbros and eucrites. Proc Lunar Planet Sci 12(B): 1297-1313
28. 6 : structural and thermodynamic behavior. Am Mineral 87: 648-657
29. Yund RA, Tullis J (1983) Strained cell parameters for coherent lamellae in alkali feldspars and iron-free pyroxenes. N Jb Mineral Mh 22-34
30. Weinbruch S, Muller W, Hewins RH (2001) A transmission electron microscope study of exsolution and coarsening in iron-bearing clinopyroxene from synthetic analogues of chondrules. Meteorit Planet Sci 36: 1237-1248