40Ar/39Ar step heating of biotite, hornblende and potassium feldpar from a zone of contact metamorphism, Eldora, Colorado.
Contributors: York, Derek (supervisor)
Published: 1973
Language: eng
Number of pages: 165
Subjects: Biotite; Feldspar; Geological time; Metamorphism (Geology); Potassium-argon dating; Physics Theses
Notes: Thesis (Ph.D.), Dept. of Physics, University of Toronto

Bibliography: leaves 155-165.