News from the Geoblogosphere
New from Snet:
, a new tool to create lithological/sedimentological logs online..
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How valuable ores can be found on river beds
The ELI for today is 'Riches in the river; investigating how valuable ores may become concentrated on river beds'.This activity investigates the importance of differences in density of sand and a valuable ore, to see how the ores may become concentrated by the action of moving water.Many more activities about density and the values and uses of minerals can be found on the website.