The chemical composition of xonotlite and associated inesite from the Nchwaning and Wessels mines, Kalahari manganese field, South Africa

Neues Jahrbuch fur Mineralogie, Monatshefte

Volumn 5, Issue , 1999, Pages 212-222

  De Bruiyn, H ^a   Schoch, A E ^a   Van Der Westhuizen, W A ^a   Beukes, G J ^a  

^a UNIVERSITY OF THE FREE STATE   (South Africa)

Author keywords

Datolite; Inesite; Kalahari manganese field; Xonotlite

Indexed keywords

EID: 0040531980     PISSN: 00283649     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (43)

1. 2O. - N. Jb. Miner. Mh. 1984: 70-82.
2. BAUER, L. H. & BERMAN, H. (1935): Xonotlite from Franklin Furnace. - Amer. Miner. 20: 197 (abstract).
3. BEUKES, G. J., DE BRUIYN, H. & VAN DER WESTHUIZEN, W. A. (1993): Gaudefroyite from the Kalahari manganese field, South Africa. - N. Jb. Miner. Mh. 1993: 385-392.
4. 2O. - Amer. J. Sci. 258: 132-147.
5. CAIRNCROSS, B. & DIXON, R. (1995): Minerals of South Africa. - Spec. Publ. geol. Soc. S. Afr., Johannesburg, 290 p.
6. COOMBS, D. S. & LAUDER, W. R. (1960): Note on xonotlite from Acheron River. mid-Canterbury. - New Zealand J. Geol. Geophys. 3: 72-73.
7. DANA, J. D. (1892): A system of mineralogy. - John Wiley and Sons, 1024 p.
8. DE VILLIERS, J. E. (1983): The manganese deposits of Griqualand West, South Africa: some mineralogic aspects. - Econ Geol. 78: 1108-1118.
9. -(1970): The geology and mineralogy of the Kalahari manganese-field north of Sishen, Cape Province. - Mem. geol. Surv. S. Afr. 59: 84 p.
10. DIXON, R. D. (1985): Sugilite and associated minerals from the Wessels mine, Kalahari manganese field. - Trans, geol. Soc. S. Afr. 88: 11-17.
11. -(1989): Sugilite and associated metamorphic silicate minerals from Wessels mine, Kalahari manganese field. - Bull. Geol. Surv. S. Afr. 93: 47 p.
12. 2.. -Z. Kristallogr. 154: 271-272.
13. FREEMAN, A. G. & FRASER, F. W. (1968): A pseudopolymorphic transition: the amphibole → pyroxene reaction. - Nature 220: 67-68.
14. GHOSE, S. & WEIDNER, J. R. (1971): Orientated transformation of grunerite to clinoferrosilite at 775 °C and 500 bars argon pressure. - Contrib. Miner. Petrol. 30: 64-71.
15. GLASS, J. J. & SCHALLER, W. (1939): Inesite. - Amer. Miner. 24: 26-39.
16. ITO, K. (1961): Thermal transformation of inesite. - Jap. Assoc. Miner. J. 46: 65-72.
17. 2O. - J. Amer. Ceram. Soc. 47: 521-529.
18. JAKOBSSON, S. P. & MOORE, J. G. (1986): Hydrothermal minerals and alteration rates at Surtsey Volcano, Iceland. - Geol. Soc. Amer. Bull. 97: 648-659.
19. KAYE, C. A. (1953): A xonotlite occurrence in Puerto Rico. - Amer. Miner. 38: 860-862.
20. KLEYENSTÜBER, A. S. E (1985): A regional mineralogical study of the manganese-bearing Voëlwater Subgroup in the Northern Cape Province. - Unpubl Ph.D thesis, Rand Afrikaans University, Johannesburg, 328 p.
21. LARSEN, E. S. (1917): Eakleite, a new mineral from California. - Amer. J. Sci. 43: 464-465.
22. -(1923): The identity of eakleite and xonotlite. - Amer. Miner. 8: 181-182.
23. MAJER, V. & BARIC, LJ. (1971): Xonotlit und Pektolith aus basischen Gesteinen des Peridotitgabbrokomplexes im Zlatibor-Gebirge, Jugoslawien. - Tscher. Miner. Petrogr. Mitt. 15:43-55.
24. MATSUBARA, S. & KATO, A. (1987): Calcium excess inesite from the Todoroki mine, Hokkaido, Japan. - Mem. Natl. Sci. Mus. (Tokyo) 20: 7-14.
25. MCCULLOCH, C. E., ANGUS, M. J., CRAWFORD, R. W., RAHMAN, A. A. & GLASSER, F. P. (1985): Cements in radioactive waste disposal; some considerations. - In: SIMPSON, P. R. & IVANOWICH, M. (eds.): Mineralogical aspects of the disposal of radioactive waste. - Miner. Soc., Applied Mineralogy Group, Miner. Mag. 49: 211-221.
26. NEL, C. J. (1984): Die mineralogie en geochemie van die Mamatwanertsliggaam, Kalaharimangaanveld, Transvaal Supergroep. - Unpubl. M. Sc. thesis, Rand Afrikaans University, Johannesburg, 118 p. [The mineralogy and geochemistry of the Mamatwan ore-body, Kalahari manganese field, Transvaal Supergroup].
27. NEL, C. J., BEUKES, N. J. & DE VILIIERS, J. P. R. (1986): The Mamatwan manganese mine of the Kalahari manganese field. - In: ANHAEUSSER, C. R. & MASKE, S. (eds.): Mineral Deposits of Southern Africa, Vol. 1: Geol Soc. S. Afr., 963-978.
28. O'BRIEN, J. P. & RODGERS, K. A. (1973): Xonotlite and rodingites fram Wairere, New Zealand. - Miner. Mag. 39: 233-240.
29. PISTORIUS, C. W. F. T. (1963): Thermal decomposition of portlandite and xonotlite to high pressures and temperatures. - Amer. J. Sci. 261: 79-87.
30. RAMMELSBERG, C. F. (1866): Z. Dt. geol. Gesellschaft 18: 33.
31. 2O. - Amer. Miner. 27: 563-569.
32. 2O. IV. - Amer. Miner. 43: 1009-1029.
33. ROY, D. M. & HARKER, R. I. (1962): In: Proc. Fourth Int. Symp. on Chem. of Cement. - Nat. Bureau of Standards, Mon. 43: 196-198. Washington, DC.
34. ROY, D. M. & ROY, R. (1962): Chemistry of cement. - In: Proc. Fourth Int. Symp. on Chem. of Cement. - Nat. Bureau of Standards, Mon. 43: 307. Washington, DC.
35. RYALL, W. R. & THREADGOLD, I. M. (1968): Inesite from the Broken Hill lode, New South Wales, Australia. - Amer. Miner. 53: 1614-1634.
36. SCHNEIDER, A. (1887): Jb. Preuss. Geol. Landesanst., 472.
37. SCHWARTZ, G. M. (1924): An occurrence of xonotlite in Minnesota. - Amer. Miner. 9: 32-33.
38. -(1925): Xonotlite and pectolite in a diabase pegmatite from Minnesota. - Amer. Miner. 10: 83-88.
39. SHANNON, E. V. (1925): An occurrence of xonotlite at Leesburg, Virginia. - Amer. Miner. 10: 12-13.
40. SMITH, C. H. (1954): On the occurrence and origin of xonotlite. - Amer. Miner. 39: 313-327.
41. 2O at elevated temperatures and pressures. - Miner. Mag. 36: 1090-1103.
42. TAYLOR, H. F. W. (1959): The transformation of tobermorite into xonotlite. - Miner. Mag. 32: 110-116.
43. WILSON, W. E. & DUNN, P. J. (1978): Famous mineral localities: The Kalahari manganese field. - Miner Record, May-June: 137-153.