Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Ronald V. Fodor"'
Publikováno v:
Contributions to Mineralogy and Petrology. 178
Autor:
Edward L. Schrader, James H. Natland, Yuri Dmitriev, Susan E. Humphris, David P. Mattey, Nikolai Petersen, W. Roggenthen, Bruce R. Rosendahl, Roger Hekinian, Ronald V. Fodor, Robert M. Goll, Michel Hoffert, Nick Warren, Ramesh K. Srivastava
Publikováno v:
Science (American Association for the Advancement of Science), 1979, Vol. 204, N. 4393, P. 613-616
The Galapagos mounds sea-floor hydrothermal system is at least 300,000 years old and once produced manganese-poor sediments, which nearly blanketed the area of the present mounds field. Present-day mound deposits are limited manganese-rich exposures,
Autor:
Ronald V. Fodor
Publikováno v:
Earth and Planetary Science Letters. 11:385-390
Electron microprobe analyses of clinopyroxene, both phenocrysts and groundmass, in the calc-alkalic suite (basalt-basaltic andesite-andesite-latite) of the Mogollon Plateau, New Mexico, show little variation in Fe content. The clinopyroxene averages