 | | Journal (article/letter/editorial) | | samples are from 31 localities and 8 countries (Czech Republic, France, Germany, United Kingdom, Egypt, Nigeria...diagenesis. The protoliths consist of mixtures of kaolinite, Fe3+-oxide/hydroxide and organic matter; the...differentiated between the chamosite-type and the kaolinite-type, which both were subdivided into various...Ketteless Member Scunthorp (slightly ferruginized) Czech Republic Nučice; Chrustinice; Zdice; Krušná hora...Gifhorn ooidal ironstone (Bleckenstedt), Salzgitter district. (F) Pseudomorphs of hematite after aggregates |  | | 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 | | Ni-silicates and iron. In residual deposits kaolinite may also be found ; this is a product of chemical...typical of minerals of an earthy character, such as kaolinite and pyrolusite. Lustre is observed in daylight...nephrite or garnet); - earthy (eg aluminite or kaolinite). Morphology Morphology is a science dealing...minerals, especially those of low hardness such as kaolinite, feel rough; others (eg talc) feel greasy and...deposits in Texas and Louisiana (USA), Tarnobrzeg region and Mach6w (Poland), Karakum Desert and Volgaland |  | | 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 | | Ni-silicates and iron. In residual deposits kaolinite may also be found; this is a product of chemical...typical of minerals of an earthy character, such as kaolinite and pyrolusite. Lustre is observed in daylight...nephrite or garnet); — earthy (eg aluminite or kaolinite). Morphology Morphology is a science dealing...minerals, especially those of low hardness such as kaolinite, feel rough; others (eg talc) feel greasy and...deposits in Texas and Louisiana (USA), Tarnobrzeg region and Machow (Poland), Karakum Desert and Volgaland |  | | Journal (article/letter/editorial) | | average of 1.6 ppm Fe z+ throughout the suboxic region. Cherty iron formations are attributed to low-temperature...Var hausmannite hornblende hypersthene illite kaolinite montmorillonite psilomelane pyrolusite quartz...local increase in organic productivity, as in a region of persistent Biota: Why are Fe3SiaOs(OH)°: ...shelf (Muessig, 1984). Compression dominates the region east of the Cariaco Basin and it is here that exhalation...formation formed five million years ago in the region with greatest modern methane exhalation, the Caucasus |  | | 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...deposits can contain peloids also consisting of kaolinite. Such deposits, in which ferruginization was strongly |
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