 | | Journal (article/letter/editorial) | | supergene and hypogene alteration is not sharp in this group of orecretes where APS minerals (aluminium phosphate...the authors focused on Pb, Cu, Zn, Sb and P, a group of supergene mineraliza- 126 H. G. Dill et al...under oxidizing and reducing conditions, the latter group of minerals formed at depth and is normally only...and vanadocrete (vanadate). Panczner 1987 Tajo Mine, Hidalgo del Parral, Chihuahua, Mexico Panczner...mineralization, on waste dumps or within impoundments of the mining site. Morphoclimatic zones: the climate referred |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Species containing more than one anion or anion group may be assigned to a separate class or may be assigned...specifies the atomic (cation to anion, or to anion group) ratio for the mineral. This and the remaining numbers...appropriate Dana number. When recognized, membership in a group is noted. Occasionally, the phrase “an inadequately...internally contradictory. 5A. Groups The term group refers to an aggregate or multiple (usually three...identical or closely similar structure and chemistry. A group may be named when there are several end members |  | | Journal (volume) | | Earth, Editorial and Design by T he Brown Reference Group pie ISBN O 7489 7935 2 NO i 07 04 18 Printed in...Mexico. Eight-sided crystals from the Traversella mine, Piedmont, Italy. .&. crystals. It can also be...are often replaced by pyrite. FACT FILE PYRITE Group: Sulphides Crystal system: Cubic Habit: Cubes,...quartz rather brittle. FACT FILE ROSE QUARTZ Group: Oxides Crystal system: Trigonal Chemical formula:...CHARACTERISTICS Rose quartz is a member of the oxide group of minerals. It is an oxide of silicon, and it gets |  | | Book (edition) | | Dictionary of Mining, Mineral, & Related Terms Compiled and edited by the Staff of the U.S. Bureau of...Graham, Director FOREWORD The need for a revised mining dictionary is obvious when one considers the technological...that have occurred since the Bureau's previous mining dictionaries were published. The Bureau had pioneered...the Mining and Minerals Industry," and continuing to the 1968 publication "A Dictionary of Mining, Minerals...Minerals, and Related Terms." To develop a modern mining dictionary, the U.S. Bureau of Mines initiated |
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