repeated and retrograde metamorphism. Metamorphism: a Study of the Transformations of Rock-Masses.
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The earliest traces of life on Earth—researchers explore carbon in 3.9-billion-year-old Canadian rocksThe degree of crystallization of the graphite correlates with the rocks' metamorphism, indicating that metamorphism affects the preservation and change of carbon-based materials. More information ...
“Metamorphism”, published in 1932. Since his retirement, Dr. Harker has remained actively associated with the petrological collections at Cambridge, where the Harker collection qf rock-slides ...
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