1. Banno, S.: Effect of jadeite component on the paragenesis of eclogite rocks. Earth and Planet. Sci. Letters 2, 249–254 (1967).
2. Boyd, F. R.: Personal communication.
3. Bryhni, I., Bollingberg, H. J., Graff, P. R.: Eclogites in quartzo-feldspatic gneisses of Nordfjord, West Norway. Norsk Geol. Tidsskr. 49, 194–225 (1969).
4. Dawson, J. B.: Recent researches in kimberlite and diamond geology. Econ. Geol. 63, 504–511 (1968).
5. Dobretsov, N. L.: Paragenetic types and composition of metamorphic pyroxenes. J. Petrol. 9, 358–377 (1968).