 | | Journal (article/letter/editorial) | | manganesein the Mn " state, are present, followed upwards by hausmannite,bixbyite, braunitc (Mn 2+ and Mn 4+) and...metamorphosedformations contain the mineral assemblage braunite-bixbyite-hollandite-hausmannite-jacobsite-vredenburgite...identificationsby X-ray powder 3, superficialdeposits. The division 3 in Park's analyses. A few, however,have dependedon...y)deposits (Japanesedeposits). Similarly, the division of Hypogeneveinsconsisting of manganese minerals...other metals,have resented by silicate-oxide (India), sulfide-carbonate-been describedfrom different |  | | Journal (article/letter/editorial) | | Precambrian manganese ore minerals from Sweden, India and Morocco H.J. Lippolt, S. Hautmann Laboratorium...Precambrian manganese deposits (Ultevis/Sweden, Sitapar/India, Bachkoun/Morocco). Samples from the metamorphic...(1991) showed that K/Ar dating of potassium-bearing Mn oxides was feasible. Chukrov et al. (1966) investigated...confronted with severe problems in separating the Mn ore components proper - primarily due to complex... Vasconcelos et al. (1992) showed that supergene Mn oxides are also suitable for constraining age and |  | B HN, B., OKRUSCH, M., WOERMANN, E., LEHNERT, K., HOERNES, S. (1995) Metamorphic Evolution of Neoproterozoic Manganese Formations and their Country Rocks at Otjosondu, Namibia. Journal of Petrology, 36 (2) 463-496 doi:10.1093/petrology/36.2.463 | Journal (article/letter/editorial) | | unusual bulkand silicates modelled in the system Mn-Fe-Si—O reveal rock composition and the high oxidation...overprint, a sedimentological interpretation of the Mn-rich rocks and their associated Hthologies is possible...metallogenetic model (Buhn et al., 1992, 1993*). The Otjosondu Mn ore-bearing unit consists of at least two manganese...facies type, allow us to investi- manganese ores with Mn/Fe ratios up to 12:1, congate a range of petrologically...petrologically unusual phenomena, sisting of braunite and Fe—Mn oxides, and all variobserved in manganiferous protoliths |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...hyphenated prefix -hould be avoided. as for instance ··Mn-siderite •• in tead of the correct ..manganoan siderite...Other examples are pump~U);te-(Fe:,. p umpellyite-(Mn 2+). or numerous zeolites. e.g. gmelinite- a. gmelinite-Ca...represents the class, the second (alphabetic) a division. Often the names of generally used mineral groups...detailed using five characters: for a class, a division, a subdivision, and two numeric digits at the |  | | Book | | Transformation - Alteration - Oxidation and in General Mn-Mobilization/Remobilization.... 204 Chapter 43 The...shales, hornfels and granites of the Harzburg district, showed that the amount of boron decreases from...and furthermore has to take into consideration that Mn, Cu, and Zn deposits may be leached derivatives of...inter-rift buried basaltic flows, as for example the Mn superimposed mineral paragenesis in the Abu Dabbab...associated with skams and in particular Cu, Zn and Mn. The skarn metallogeny, strictly speaking, does not |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Miami University, Oxford, Ohio. W. Barclay Kamb: Division of Geol. and Planetary Sci., Cal. Inst. of Tech...first consideration in generating the numbers was division into classes based on composition or, in the case...Siberia ae SS shes] TM REED eS SL China and Japan 10. India 11. South east Asia 12. Middle East 13. African...CO CT DE FL GA HI ID IL IN IA KS KY LA ME MD MA MI MN MS MO MT NE NV NH NJ NM NY NC ND OH OK OR PA PR RI...Spotsylvania Co., and Partridge mine, Orange Co., VA, and at Dahlonega, GA; Homestake mine, Lawrence Co., SD; Silver |
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