 | | Book | | sulfide, galena, and none was detected in pyrite, marcasite, and pyrrhotite. The only sulfide with ap- preciable...is low in galena, is not detectable in pyrite, marcasite, pyrrhotite, siderite, ankerite, calcite. ...available about the presence of germanium in marcasite and the known accumulation of this element in... re- Pyrite This is confirmed by both the Marcasite Pyrrhotite Siderite of germanium and its compounds...stratigraphic horizons in the Neftechala, Surakhan, Romanino, and Binagada deposits, where the oil varies greatly |
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