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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
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Magnetic Anomalies and Mid-Ocean Ridges Tyler Szwarc, Haiyan Fu
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