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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 GeoWordprincipal line [photo] The trace of the principal plane upon a photograph; e.g. the line through the principal point and the nadir of a tilted photograph. Brought to you by: Recent GeoWordssmaller foraminiferamixed assemblage ground swell lenticel regenerated anhydrite suprafan lutaceous pagodite geodetic network 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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