Which association hosts the richest manganese mineralisation of the Sausar belt ?
Mansar Mica Schist and Lohangi Carbonate
The Sausar Group of the Sausar Mobile Belt (Nagpur–Bhandara–Balaghat, central India) hosts India’s largest syngenetic manganese deposits, of gondite type, metamorphosed at amphibolite facies.
The Sausar succession (Tirodi Gneiss basement, then Sitasaongi, Lohangi, Mansar, Chorbaoli, Junewani and Bichua formations) records a shelf sequence. The manganese ores — braunite, hollandite, jacobsite and Mn-silicate gondites — are concentrated in the Mansar Formation (mica schist with Mn horizons) in contact with the underlying Lohangi Formation (calcitic/dolomitic marble and calc-silicate).
The Mansar–Lohangi association, as in the Kandri, Mansar, Manegaon, Chikla and Tirodi mines, therefore carries the richest ore bodies; the Sitasaongi and Chorbaoli quartzites, Junewani schist, Bichua marble and Tirodi Gneiss are largely barren.
Hence, the answer is Mansar Mica Schist and Lohangi Carbonate.
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.................... is a client server application that identifies each host on the internet with a unique user-friendly name.
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(i) Kernel
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(iii) Nucleus
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(i) Machine language
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