Magnetic Anomalies and Mid-Ocean Ridges
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Magnetic Anomalies and Mid-Ocean Ridges Tyler Szwarc, Haiyan Fu
description
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
Transcript of Magnetic Anomalies and Mid-Ocean Ridges
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Magnetic Anomalies and Mid-Ocean Ridges
Tyler Szwarc, Haiyan Fu
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Magnetic Fields Induced in Igneous Rock
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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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