The volcanic‐tectonic cycle of the FAMOUS and AMAR Valleys, Mid‐Atlantic Ridge (36°47′N): Evidence from basalt glass and phenocryst compositional variations for a steady state magma chamber beneath the valley midsections, AMAR 3Debra S. Stakes, Clifford A. Hopson, John W. Shervais|Journal of Geophysical Research Atmospheres|1984Cited by 167