[1] Liu Tengfel., “Types and genesis of manganese oxide ores in Guangxi”, southwest Chines J. of geochemistry 18(1999), 87-96.
[2] Kesler S. E., “Mineral resources, Economic and environment”, Mac Millian and Maxwell publishing, New York, (1994), 391p.
[3] سامانی ب.، "زمین شناسی ایران، کانسارهای منگنز"، سازمان زمین شناسی کشور،)1374( طرح تدوین کتاب.
[4] Tirrul R., Bell l. R., Griffis J. R., Camp V. E., “The sistan suture zone of Eastern Iran”, G. S. A. Bulletin 94,( 1983) 134 – 150.
[5] Eftekharnezhad J., Stocklin J., “Geological maps of Iran, sheet K8, Birjand”, Geological Survey of Iran (1992).
[6] Marescotti P., frezzotti M.L., “Alteration of braunite ores from estern lagurina (Italy) during syntectonic veining processes mineralogy and fluid inclusions”, J. mineralogy 12(2000) 341-356.
[7] Krauskopf K. B., “Introduction to geochemistry”, McGraw-Hill, Tokyo, (1979) 617pp.
[8] Roy S., “Sedimentary manganese metallogenesis in response to the evolution of the Earth system”, Earth-Science Reviewes 77(2006) 273-305pp.
[9] Cabella R., lucchetti G., Marescotti P., “Mn ores from eastern Ligurian ophiolitic sequences” .Trends in mineralogy 12(1998) 1-17.
[10] Bhattacharyya P.K., Dasgupta S., Fukuoka M., Roy s., “Geochemistry of braunite and associated phase in metamorphosed non – calcareous manganese ores of India contrib”, Mineralogy and Petrology 87(1985) 65-71.
[11] Roy S., “Environments and Processes of Manganese Deposition”, Economic Geology 87(1992) 1218-1236.
[12] Ostwald J., “Genesis and Paragenesis of the Tetravalent Manganese Oxides of the Australian Continent”, Economic Geology 87(1992) 1237-1252.
[13] Smirnov V.I., “Geology of mineral Deposits”, Mir publishers Moscow (1976) 520p.
[14] Gutzmer J., “Red Bed – Hosted Oncolitic Manganese ore of the Paleoproterozoic soutpansberg Group”, Bronkhorstfontein, South Afirca, Economic Geology 97(2002) 1151-1166.
[15] Ramdohr P., “The ore minerals and their intergrowth”, Perg.Press.2nd Ed (1980), p1202.
[16] Crerar D.A., Cormick R.K., Barnes H.L.,
“Geochemistry of manganese”, an overview, in: Varetsov, I.M. and Grasselly, G., eds., Geology and geochemistry of manganese. Stuttgart, Schweizrbart, Sche Verlag 1(1982) 293-334.
[17] Nicholson K., “Contrasting Mineralogical-Geochemical Signatures of Manganese Oxides”, Guides to Metallogenesis 87(1992) 1253-1264.
[18] امامعلی پور ع.، "بررسی ژئوشیمی، کانی شناسی و منشاء کانشار منگنز صفو(جنوب باختر ماکو)"، مجموعه مقالات نهمین همایش انجمن زمین شناسی ایران، دانشگاه تربیت معلم تهران،(1384) 256-268.
[19] Rona P.A., “Hydrothermal manganese deposit of Mid-Atlantic Ridge crest (Lattitude 21N)”, IN: Varetsov, I.M. and Grasselly, G.(eds), Geology and geochemistry of manganese. Stuttgart, Schweizrbart, sche Verlag, Vol.2 (1980) 13-44.
[20] Georgiou E., Christodoulou E., Panayiotou A., “Report on the umber quary licences of the Umber Corporation”, Ltd.: Cyprus, Geological Survey Department repot G/MR/001/81(1981)16p.
[21] Hein J.R., Koski R.A., “Bacterially mediated diagenetic origin for chert-hosted manganese deposits the Franciscan Complex”, Diablo Range, California, (1987) 206-230.