Reyna, J.; Congr. Geol. lnt. 20th Secc., Mexico City 1956 [1957/59], Symposium sobre Yacimientos de Manganeso...deposits (of the Taishu Metallogenetic Province, Japan), the richer their contents of Fe and some minor...with ~9% Mn coexisting with alabandite of the Sätra mine, see p. 69; and with 5.6% Mn coexisting with niningerite...as components of the Pb-Zn ores of the Huanzala mine, 250 km north of Lima, Peru, where Fe-Mn sphalerite...distribution for both sphalerite types within the mine [36]. Mn-containing sphalerite (with 19.8 to 1.8 |