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#1 Federal

Crustal Ages of the Ocean Floor - Poster

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: January 01, 1996 at 12:00 AM

The Crustal Ages of the Ocean Floor Poster was created at NGDC using the Crustal Ages of the Ocean Floor database draped digitally over a relief of the ocean floor database. The Crustal Ages of...

Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 12:46 PM

#2 Federal

Data on the Earth's Magnetic Field and its Secular Change since 1800

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: January 01, 1972 at 12:00 AM

Information on the past and present orientation of the Earth's magnetic field is available from the National Geophysical Data Center (NGDC) which serves as the national data bank for geomagnetic...

Search relevance: 1.00 | Views last month: 2 | Catalog Last Checked: August 01, 2026 at 12:46 PM

#3 Federal

Values About Ancient Magnetic Poles, Declination, Inclination, and Intensity, That Can Be Used to Track the Magnetic Pole and Continent Movements

Organization: National Oceanic and Atmospheric Administration, Department of Commerce
Dataset Last Updated: January 01, 1993 at 12:00 AM

The study of magnetism is one of the oldest of the geophysical sciences. It is unique among the sciences in that ancient records of the geomagnetic field are preserved in rocks and changes in the...

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Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 12:46 PM

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Crustal Ages of the Ocean Floor - Poster

Data on the Earth's Magnetic Field and its Secular Change since 1800

Values About Ancient Magnetic Poles, Declination, Inclination, and Intensity, That Can Be Used to Track the Magnetic Pole and Continent Movements