Pani, S.; Singh, S.K.; Mohapatra, B.K.
(Resource Geology, 66(1), 2016: 12-23)
Manganese oxide ore from the Bonai-Keonjhar belt of Odisha, India, has been qualitatively assessed through Raman and FTIR spectroscopy, and X-ray diffraction. Three categories of ore, namely, high-grade (MnO2: >72%), ...