Home › Authors › M. H. Ort 👤 M. H. Ort 2 books Books by M. H. Ort The use of palaeomagnetism and rock magnetism to understand volcanic processes 2015 Major-and trace-element compos Major-and trace-element composition of greenstones, greenschists, amphibolites, and selected mica schists and genisses from the North Cascades, Washington 1985