Decompression and unmixing of crystals included in diamonds from the mantle transition zone

Physics and Chemistry of Minerals

Volumn 34, Issue 9, 2007, Pages 647-656

  Harte, Ben ^a   Cayzer, Nicola ^a  

^a UNIVERSITY OF EDINBURGH   (United Kingdom)

Author keywords

EBSD; Eclogite; Exsolution; Garnetite; Majorite

Indexed keywords

CRYSTAL ORIENTATION; CRYSTALLOGRAPHY; CRYSTALS; GARNETS; INCLUSIONS; METAMORPHIC ROCKS;

CLINOPYROXENE; MANTLE TRANSITION ZONE;

DIAMONDS;

CRYSTALLOGRAPHY; DIAMOND; ECLOGITE; EXSOLUTION; INCLUSION; MAJORITE; PREFERRED ORIENTATION;

BRAZIL; SOUTH AMERICA;

EID: 35648933882     PISSN: 03421791     EISSN: 14322021     Source Type: Journal    
DOI: 10.1007/s00269-007-0178-2     Document Type: Article

References (36)

1. 2+ partitioning among constituent minerals. Phys Earth Planet Inter 19:31-51
2. Costa VS, Gaspar JC, Pimentel MM (2003) Peridotite and eclogite xenoliths from the Juina Kimberlite province, Brazil. Eighth international kimberlite conference long abstract no:0336
3. Dohmen R, Chakraborty S, Becker H-W (2002) Si and O diffusion in olivine and implications for charcterizing plastic flow in the mantle. Geophys Res Lett 29:26-1-3
4. Ellis DJ, Green DH (1979) An experimental study of the effect of Ca upon garnet-clinopyroxene Fe-Mg exchange equilibria. Contrib Mineral Petrol 71:13-22
5. Fung AT, Haggerty SE (1995) Petrography and mineral compositions pf eclogites from the Koidu Kimberlite Complex, Sierra Leone. J Geophys Res 100(B10):20451-20473
6. Gasparik T (2002) Experimental investigation of the origin of majoritic garnet inclusions in diamonds. Phys Chem Minerals 29:170-180
7. Gurney JJ (1989) Diamonds. In: Kimberlites and related rocks, vol 2. Geol Soc Australia Spec Publ 14:935-965
8. Haggerty SE, Sautter V (1990) Ultradeep (greater than 300 kms), ultramafic upper mantle xenoliths. Science 248:993-996
9. Harte B (1992) Trace element characteristics of depp-seated eclogite parageneses - an ion microprobe study of inclusions in diamonds. V.M. Goldschmidt Conference, Geochem Soc Reston, Virginia, pp A-48
10. Harte B, Harris JW (1994) Lower mantle mineral assemblages preserved in diamonds. Mineral Mag 58A:384-385
11. Harte B, Harris JW, Hutchison MT, Watt GR, Wilding MC (1999) Lower mantle mineral associations in diamonds from Sao Luiz, Brazil. Geochim Soc Spec Publ No 6:125-153
12. Hayman PC, Kopylova MG, Kaminsky FV (2005) Lower mantle diamonds from Rio Soriso (Juina area, Mato Grosso, Brazil). Contrib Mineral Petrol 149:430-445
13. Hills DV, Haggerty SE (1989) Petrochemistry of eclogites from the Koidu Kimberlite Complex, Sierra Leone. Contrib Mineral Petrol 103:397-422
14. Hutchison MT (1997) Composition of the deep transition zone and lower mantle shown by diamonds and their inclusions. Unpublished PhD thesis, University of Edinburgh, p 646
15. Hutchison MT, Cartigny P, Harris JW (1999) Carbon and nitrogen compositions and physical characteristics of transition zone and lower mantle diamonds from SãoLuiz, Brazil. Proceedings of the VII international kimberlite conference Dawson volume, pp 372-382
16. Irifune T (1987) An experimental investigation of the pyroxene-garnet transformation in a pyrolite composition and its bearing on the constitution of the mantle. Phys Earth Planet Inter 45:324-336
17. Irifune T, Sekine T, Ringwood AE, Hibberson WO (1986) The eclogite-garnetite transformation at high pressure and some geophyisical implications. Earth Planet Sci Lett 77:245-256
18. Kaminsky FV, Zakharchenko OD Davies R, Griffin WL, Khacatryan-Blinova GK, Shiryaev AA (2001) Superdeep diamonds from the Juina area, Mato Grosso State, Brazil. Contrib Mineral Petrol 140:734-753
19. Kingery WD, Bowen HK, Uhlmann Ar (1976) Atom mobility. In: Introduction to ceramics, 2nd edn. Wiley, New York
20. Kirkley MB, Gurney JJ, Otter ML, Hill SJ, Daniels LR (1991) The application of C isotope measurements to the identification of the sources of C in diamonds: A review. Appl Geochem 6:477-494
21. Kopylova MG, Lo J, Christensen NI (2004) Petrological constraints on seismic properties of the Slave upper mantle (northern Canada). Lithos 77:493-510
22. Maclennan J, McKenzie D, Gronvöld K (2001) Plume-driven upwelling under Iceland. Earth Planet Sci Lett 194:67-82
23. McDade P (1999) An experimental and geochemical study of the products of extreme metamorphic processes: Ultrahigh-temperature granulites and the Roberts Victor eclogites. Unpublished PhD thesis, University of Edinburgh, p 453
24. McKenzie D, Jackson J, Priestley K (2005) Thermal structure of oceanic and continental lithosphere. Earth Planet Sci Lett 233:337-349
25. Moore RO, Gurney JJ (1985) Pyroxene solid solution in garnets included in diamond. Nature 318:553-555
26. Pearson DG, Shirey SB, Harris JW, Carlson RW (1998) Sulphide inclusions in diamonds from the Koffiefontein kimberlite, S. Africa: Constraints on mantle ages and mantle Re-Os systematics. Earth Planet Sci Lett 160:311-326
27. Powell R (1985) Regression diagnostics and robust regression in geothermometer/geobaromter calibration: The garnet-clinopyroxene geothermometer revisited. J Metam Geol 3:231-243
28. Ringwood AE, Major A (1971) Synthesis of majorite and other high pressure garnets and perovskites. Earth Planet Sci Lett 12:411-418
29. 28 Si nuclear reaction: preliminary results. Earth Planet Sci Lett 79:109-114
30. Sautter V, Haggerty SE, Field S (1991) Ultradeep (>300 kms) ultramafic xenoliths: Petrological evidence from the transition zone. Science 252:827-830
31. Stachel T (2001) Diamonds from the asthenosphere and the transition zone. Eur J Mineral 13:883-892
32. Stachel T, Brey GP, Harris JW (2005) Inclusions in sublithospheric diamonds: Glimpses of deep Earth. Elements 1:73-78
33. Tappert R, Stachel T, Harris JW, Muelenbachs K, Ludwig T, Brey GP (2005) Diamonds from Jagersfontein (South Africa): Messengers from the sublithospheric mantle. Contrib Mineral Petrol 150:505-522
34. Van Roermund HLM, Drury MR, Barnhoorn A, De Ronde A (2001) Relict majoritic garnet microstructures from ultra-deep orogenic peridotites in western Norway. J Petrol 42:117-130
35. Wilding M (1990) A study of diamonds with syngenetic inlusions. Unpublished PhD thesis, University of Edinburgh, p 281
36. 3 perovkite at 25 GPa. Phys Earth Planet Int 119:299-300