<--- Back to Details
| First Page | Document Content | |
|---|---|---|
 Date: 2015-05-14 12:32:17Refractory metals Transition metals Sulfide minerals Rhenium Molybdenite Rheniite Molybdenum Otto Berg Ida Noddack Chemistry Matter Chemical elements |
| Rocks and Minerals of PennsylvaniaDocID: 1r41u - View Document |
| Acid Drainage Craig M. Bethke and Brian Farrell1 Acid drainage is a persistent environmental problem in many mineralized areas. The problem is especially pronounced in areas that host or have hosted mining activity (e.g.DocID: 1qQVS - View Document |
| Journal of Sedimentary Research, 2005, v. 75, 907–920 DOI: jsrPYRITE AND MARCASITE COATED GRAINS IN THE ORDOVICIAN WINNIPEG FORMATION, CANADA: AN INTERTWINED RECORD OF SURFACE CONDITIONS, STRATIGRAPHIDocID: 1qKTk - View Document |
| General Investor UPDATE October, 2015 Disclaimer and Legal Notice DocID: 1qKF3 - View Document |
| Page: 1 Slide No. 1 Family of Minerals 1. crystalline structureDocID: 1qDmf - View Document |