 | | 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 (article/letter/editorial) | | Resources and Environment, Pathum Thani 12120, Thailand Correspondence: kwkim@gist.ac.kr Abstract: Crop...contamination in China, Korea, Indonesia, and Thailand appeared to be slightly affected by mining activities...studies from China, India, Bangladesh, Indonesia, Thailand, Vietnam, and South Korea, to provide a broader...Hunan has grown into the largest rice-producing province in China, with its rice yield contributing 13%...unpolished rice samples in the mining areas of Hunan province ranged from 0.29 to 1.04 mg/kg, considerably higher |  | | Report (chapter) | | minerals. The most common arsenic mineral is arsenopyrite, FeAsS2. Elevated concentrations are sometimes...surveys. The most common arsenic mineral is arsenopyrite, FeAsS2. The average concentration of As in...Grampian Highlands of Scotland, the English Lake District and North Wales, associated with specific geological...contamination have been undertaken in the Ron Phibun District of Thailand by the British Geological Survey and...and the Government of Thailand Department of Mineral Resources (Fordyce et aL 1995). Here the sources |  | | 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...Valley is comprised of rocks of Middle and Upper Si- walik. The Middle Siwalik consists of friable,... 1994), India (Chakraborty and Saha 1987) and Thailand (Williams and others 1996). This value currently |  | | Report (volume) | | House, Bath, are much appreciated. Don Appleton Ron Fuge Joe McCall March 1996 Geochemical aspects...or irrigation waters from sandstones high in arsenopyrite. High fluoride High molybdenum. High selenium...arsenic derived initially from the oxidation of arsenopyrite has now been incriminated as a cause of chronic...(especially kaolinite) which markedly increase the Al/Si ratio. Generally, such soils are deficient ...example at Ron Phibun, southern Thailand (National Epidemiological Board of Thailand 1993), shallow |  | | Report (issue) | | Director and BGS staff on a field trip to the Lake District: this provided me with insight into the skill...Valley: work continued on the revision of the Lanark district (Sheet 23), where new opencast mining explo ration...in the Coalburn-Douglas area. In the Kilmarnock district (Sheet 22), comple tion of the survey has enabled...data sets. • Southern Uplands: in the Leadhills district (Sheet 15E) conodont evidence has proved three...Tyne Alston: revision mapping of the Rothbury district (Sheet 9) concen trated mainly on a reinterpretation |
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