| | Book (edition) | now manufactured of great per; fection at Siegen, in Germany. Pasteboard models, likewise useful aids... Brucite ; gibbsite. Turgite. Diaspore Psilomelane. ; gothite ; manganite. 196 DESCRIPTIVE...common in many gold regions, as those of Brazil and North Carolina, and sometimes specular schists, or slaty...Transylvania ; it occurs also in the sands of the Rhine, the Reuss, the Aar, the Rhone, and the Danube on...streams of Cornwall near Dolgelly and other parts of North Wales in Scotland in the county of Wicklow, Ireland | | | Book (edition) | ^ fe o -• vO y MINERALOGY AND MINING. Mine Accidents —Ventilation — Ore Dressing, Etc. DESCRIPTIVE...lific of valuable treats and advice." PRACTICAL MINE VENTILATION. WILSON. For the Use of Mining Engineers...above, there is also the department of Economic Mine) alogy, which is not here and (3) in the coarser...are now manufactured of great perfection at Siegen, in Germany. Pasteboard models, likev/ise useful aids...further on p. 173. PHYSICAL CHARACTERS OF 120 MINE.'?AL8. hedron, dodecahedron, or rhombohedron, it | | | Book (edition) | are now manufactured of great perfection at Siegen, in Germany. Pasteboard models, likewise useful aids... Brucite ; gibbsite. Turgite. Diaspore Psilomelane. ; go'tlrte; manganite. DESCRIPTIVE MINERALOGY...common in many gold regions, as those of Brazil and North Carolina, and sometimes specular schists, or slaty...Transylvania it occurs also in the sands of the Rhine, the Reuss, the Aar, the Rhone, and the Danube on...streams of Cornwall near Dolgelly and other parts of North Wales in Scotland in the county of Wicklow, Ireland | | | Book | aspects of mining including mineral exploration, mine construction, metal extraction, smelting, and refining;...refining; he even discussed the legal issues involving mine ownership and labor management. The metals included...Earth at the same time; for example, granites in North America were supposed to be the same age as granites...1 stade = 184.8 m) and were approximately on a north–south line. He assumed the Earth was a sphere because...include hematite, ilmenite, cinnabar, cuprite, and psilomelane. Nonmetallic minerals exhibit a range of lusters |
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