Dear List, Selenium is an available marker for impact geology. Some plants are indicators for selenium-rich soils and these indicator plants should be noted when searching for impact crater ejecta. Best Always, Dirk Ross...Tokyo
http://www.webelements.com/selenium/geology.html Abundances for selenium in a number of different environments. Use the links in the location column for definitions, literature sources, and visual representations in many different styles (one of which is shown below) Location ppb by weight ppb by atoms Universe 30 0.5 Sun no data no data Meteorite (carbonaceous) 13000 2900 Crustal rocks 50 10 Sea water 0.45 0.035 Stream 0.2 0.003 Human 50 4 ______________________________________________ http://www.meteoritecentral.com Meteorite-list mailing list [email protected] http://six.pairlist.net/mailman/listinfo/meteorite-list
