Soubor:Oceanic.Stripe.Magnetic.Anomalies.Scheme.gif
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Oceanic.Stripe.Magnetic.Anomalies.Scheme.gif (rozměr: 255 × 187 pixelů • velikost souboru: 15 kB • MIME typ: image/gif)
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[edit] Краткое описание
A theoretical model of the formation of magnetic striping. New oceanic crust forming continuously at the crest of the mid-ocean ridge cools and becomes increasingly older as it moves away from the ridge crest with seafloor spreading:
- a. the spreading ridge about 5 million years ago.
- b. about 2 to 3 million years ago.
- c. present-day.
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This image is in the public domain because it contains materials that originally came from the United States Geological Survey, an agency of the United States Department of Interior. For more information, see the official USGS copyright policy |
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http://pubs.usgs.gov/publications/graphics/Fig7.gif
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. Subject to disclaimers. |
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