 | | Journal (article/letter/editorial) | | of Biology, Mahidol Uni¨ ersity, Bangkok 10400, Thailand c Chemistry Institute, Karl-Franzens Uni¨ ersity...arsenic-contaminated soils in the Ron Phibun district of southern Thailand. P. calomelanos accumulates arsenic...area is the Ron Phibun district, in the Nakorn Si Thammarat province of southern Thailand. The site is...alluvial mining. Consequently, soil and water in the Ron Phibun region are grossly contaminated with arsenic...groundwater as sources of water for domestic use in Ron Phibun raises significant human health concerns. A survey |  | | Journal (issue) | | grains measured may contain up to | weight percent of Si, so there may be some silicide admixture in some...contains Minerals of this type (Ca,Na),(Mg,Fe?*,Fe>*,Al)Si,0, are common in volcanic lava and in blast-furnace...studied are (weight perK 0.33-0.54, Zn 0.30—0.56, Si 0.11- Anthracite-graphite is a very common primary...however, Al <0.01 0.08 0.05 0.06 0.33 0.18 Si 0.34 0.61 0.48 P s Mn <0.02 0.30 0.10 0.26...Plombiéres dumps. It contains significant admixtures of Si and traces of Zn (Table 10). The mineral usually |  | | Journal (issue) | | Mineral Resources Rama VI Road Bangkok 10400 Thailand PauL MARINOS Institut fiir Geophysik Switzerland...Zn;(OH)s(CO3)2 Sulfates CaSO,-2H,O Ca;(CO )(SO,)[Si(OH),] -12HO0 CagAl,(OH),(SO,)3°32H,O Fluorite ...Cornetite Chalcosiderite forming minerals, such as Si, Ca, K, are hardly needed for heavy metal fixation...Cu,Cl,(OH), Barite Bromargyrite BaSO4 AgBr Cassiterite SnO, Ba,(AsO,)2 Ba;(AsO,) Barite Carbonatapatite...Carbonatapatite Carbonatapatite Cassiterite Celadonite Celadonite Chervetite Chervetite Co-Al-hydrotalcite |
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