magnetic anomalies and mid-ocean ridges

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Magnetic Anomalies and Mid-Ocean Ridges. Tyler Szwarc, Haiyan Fu. Magnetic Fields Induced in Igneous Rock. Dating the Seafloor. Radiometric isotopes in zircon, apatite, and feldspars record crystallization age of seafloor basalts - PowerPoint PPT Presentation

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Magnetic Anomalies and Mid-Ocean Ridges

Tyler Szwarc, Haiyan Fu

Magnetic Fields Induced in Igneous Rock

Dating the Seafloor• Radiometric isotopes in zircon, apatite, and

feldspars record crystallization age of seafloor basalts

• Ages range from 0 Ma at the spreading ridge to 185 Ma at the edge

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