title: Mid-atlantic ridge: age and spreading rates.
abstract: Fission-track dating of basaltic glass from the Mid-Atlantic Ridge gives results which are consistent with the proposal of ocean-floor spreading. Solidification ages from ~10,000 years to ~300,000 years were measured. Correlation is also possible between the magnetic anomaly patterns over the Crest Mountains at 45 degrees N and the geochronology of the outcropping basalts. Renewed volcanic activity well removed from the axis of the Mid-Atlantic Ridge has been demonstrated to have taken place in recent times.
authors.forename: R L
authors.initials: RL
authors.lastname: Fleischer
authors.forename: J R
authors.initials: JR
authors.lastname: Viertl
authors.forename: P B
authors.initials: PB
authors.lastname: Price
authors.forename: F
authors.initials: F
authors.lastname: Aumento