 | | Journal (article/letter/editorial) | | Mn-carbonate-silicate rocks from the Eastern Ghats Belt, India SUBIR MUKHOPADHYAY1, SUPRIYA ROY1, MASATO FUKUOKA2...Sciences, Jadavpur University, Calcutta 700032, India * Corresponding author, e-mail: sdg@cal3.vsnl.net...Mn-silicate-carbonate rocks from the Eastern Ghats Belt, India, were metamorphosed under ultrahigh temperatures...falls within the Eastern Ghats granulite belt, India (Fig.1), one of the few documented high-grade terrains...occur in a linear belt near Garividi, Garbham, Koduru and Kottakara in the area around Vizianagram (Fig |  | | Journal (article/letter/editorial) | | pyrophanite in Mn-rich assemblages, Gangpur Group, India B. R. NAYAKAND B. K. MOHAPATRA Regional Research...Research Laboratory, Bhubaneswar - 751 013, Orissa, India ABSTRACT Pyrophanite is widely distributed in metamorphic...Mn-rich rock assemblages of the Gangpur Group, India. It occurs in two distinct habits: as an independent... Gangpur Group, India. Introduction ThE Precambrian Gangpur Group of rocks, India, constitute a volcanic-free...manganese-rich rocks of Goriajhar, Sundargarh district, Orissa, have so far been considered as Mn-silicate |  | | Journal (article/letter/editorial) | | for solid solutions of orthopyroxene and of pyroxmangite, with a small field inferred for kanoite (MnMgSizOo...were collected on the 2500level of the Balmat No. 4 Mine and provided for our study by John T. Johnson and...expected in pyroxene is 1:l = clinopyroxene, pyroxmangite and rhodonite from MgSiO3 M2:Ml and in amphiboleit...(197E)Sphalerite geobarometry in the Balmat-Edwards district, New York. crystallographic observations of synthetic...Obashi,Y., Hafner, S.S., and Virgo, D. (1971) pyroxmangite solid solutions appearto occupy large oneCation |  | | Journal (article/letter/editorial) | | from a number of Precambrian shields, including India (e.g. Roy, 1968, 1973, 1981; Roy and Purkait, 1968)...Ilm - - ilmenite, Hyal - - hyalophane, Pxm - pyroxmangite, Qz - - quartz, Rdn - - rhodonite. evolution...Ghana: Tirodite, Actinolite "l'irodite A Sausar Fm., India: -Iirodite FIG. 4. Plot of Na+Ca in M(4) vs. (Fe+Mn)/(Fe+Mn+Mg)...et aI. (1988, Sausar Fm.). gondites of Chikla, India (Dasgupta e t al., 1984). Mn-rich ilmenite with...metamorphosed manganese deposits of Koduru (Sivaprakash, 1980) and Kajilidongri/India (Bhattacharya et al., 1984) |  | Amthauer, Georg, Katz-Lehnert, Kerstin, Lattard, Dominique, Okrusch, Martin, Woermann, Eduard (1989) Crystal chemistry of natural Μn3+-bearing calderite-andradite garnets from Otjosondu, SWA/Namibia. Zeitschrift für Kristallographie - Crystalline Materials, 189 (14) 43 doi:10.1524/zkri.1989.189.14.43 | Journal (article/letter/editorial) | | analysis of a Mn-rich andradite from Kodur, Andhra Pradesh, India. Microprobe analysis presented in some recent...Mnrich rocks from Andra Pradesh, India (Sivaprakash, 1980), from the Sausar Group, India (Dasgupta et ai.,...standards MgO, Alz03, synthetic rutile, synthetic pyroxmangite and a synthetic glass of the composition of...metamorphosed manganese silicate rocks of the Sausar Group, India, and their derivation. Mineral. Mag. 51 (1987) 577...The manganese deposits ofIndia. Mem. Geol. Surv. India 37 (1909) 161186. Ferrnor, L. L.: On the composition |  | Amthauer, Georg, Katz-Lehnert, Kerstin, Lattard, Dominique, Okrusch, Martin, Woermann, Eduard (1989) Crystal chemistry of natural Mn3+-bearing calderite-andradite garnets from Otjosondu, SWA/Namibia. Zeitschrift für Kristallographie - Crystalline Materials, 189 (1) 43-56 doi:10.1524/zkri.1989.189.1-2.43 | Journal (article/letter/editorial) | | analysis of a Mn-rich andradite from Kodur, Andhra Pradesh, India. Microprobe analysis presented in some recent...Mnrich rocks from Andra Pradesh, India (Sivaprakash, 1980), from the Sausar Group, India (Dasgupta et ai.,...standards MgO, Alz03, synthetic rutile, synthetic pyroxmangite and a synthetic glass of the composition of...metamorphosed manganese silicate rocks of the Sausar Group, India, and their derivation. Mineral. Mag. 51 (1987) 577...The manganese deposits ofIndia. Mem. Geol. Surv. India 37 (1909) 161186. Ferrnor, L. L.: On the composition |
|
