 | | Book | | "Broadly regarded, the depth ta which a metalliferous region has been eroded affects its present characteristics...multiphase, nested, and include a subsidence of the central block and the downward passage of tabular plutons...Peru, map and distribution of ore deposits in the central sector. Based on the Mapa Metalogenico del Peru...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay)...-striking fissure veins and branching vein sets from a central copper zone (with a small segment rich in quartz-molybdenite |  | | Book | | "Broadly regarded, the depth to which a metalliferous region has been eroded affects its present characteristics...multiphase, nested, and include a subsidence of the central block and the downward passage of tabular plutons...Peru, map and distribution of ore deposits in the central sector. Based on the Mapa Metalogenico del Peru...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay)...-striking fissure veins and branching vein sets from a central copper zone (with a small segment rich in quartz-molybdenite |  | | Book | | spodumene or rubellite, and concentrations of zircon, xenotime, monazite, cassiterite, columbite, tantalite...the total reflection of light, such as cerussite, zircon and diamond. Vitreous or glassy lustre resembles...apophyllite C a = b :;e c tetragonal (7) rutile zircon C ,. ... hexagonal (7) ~ -l '\ a, y -...fluorite, scheelite, willemite, uranium minerals or zircon). As the content of these admixtured elements may...radioactive trace elements are radioactive, such as zircon, which forms an isomorphous mixture with thorite | | | Book | | soodumene or rubellite, and concentrations of zircon, xenotime, monazite, cassiterite, columbite, tantalite...the total reflection of light, such as cerussite, zircon and diamond. Vitreous or glassy lustre resembles...(7) a = B = 4 => 90° rutile hexagonal (7) zircon | apophyllite C apatite trigonal (5) vanadinite...fluorite, scheelite, willemite, uranium minerals or zircon). As the content of these admixtured elements may...radioactive trace elements are radioactive, such as zircon, which forms an isomorphous mixture with thorite |  | | Book | | SEVER, Editors SILICEOUS DEPOSITS IN THE PACIFIC REGION 37 A. SlNGERand E. GALAN, Editors PALYGORSKITE-SEPIOLITE:...in the overburden of Bekhat6w Brown Coal Mine (Central Poland), by A.J. Van Loon and K. Brodzikowski ...OVERBURDEN OF THE BELCHATOW BROWN-COAL M I N E (CENTRAL POLAND): A PREDICTIVE TOOL REGARDING ENGINEERING-GEOLOGICAL...in the overburden of Bekhatbw Brown Coal Mine (Central Poland), by A.J. R n Loon and K.Brodzikowski According...bulk supersaturation. In Region / ( N x C), no convection appears; in Region I/, either lateral convection |
|
