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GeoWord of the DayThe GeoWord of the Day is a free service of the American Geosciences Institute. All of the terms and definitions are from the Glossary of Geology, 5th Edition Revised. Today's GeoWordbounding surface (bound'-ing) An erosional truncation surface that separates groups of cross beds on various scales (Brookfield, 1977). Brought to you by: Recent GeoWordsxylotileleptynolite jinshajiangite koppie live cave amosite recharge area volcanic tremor waste-injection well Subscribe/Unsubscribe to GeoWord of the DayTo receive GeoWord of the Day by EMail, please enter your EMail address below and click on Subscribe. |
 
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