The tectonics of anorthosite massifs

Details The tectonics of anorthosite massifs The tectonics of anorthosite massifs

Aug 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981asee....2q....s&link_type=abstract

In Houston Univ. The 1981 NASA ASEE Summer Fac. Fellowship Program, Vol. 2 29 p (SEE N82-23122 13-99)

Computer Science

Anorthosite, Continental Drift, Earth Planetary Structure, Massifs, Tectonics, Lunar Effects, Planetary Evolution, Structural Properties (Geology), Temperature Effects

Scientific paper

Anorthosite massifs developed approximately 1.4 to 1.5 billion years ago along an arch which developed parallel to a zone of continental separation as a block which included North America, Europe, and probably Asia separated from a block which included parts of South America, Africa, India, and Australia. Anorthosite massifs also developed at the same time along a belt which runs through the continents which comprise Gondwanaland (South America), Africa, India, Australia, and Antarctica. This was a zone of continental separation which subsequently became a zone of continental collision about 1.2 billion years ago. The northern anorthosite belt also parallels an orogenic belt which was active between 1.8 and 1.7 billion years ago. Heat generated during this mountain building period helped in the formation of the anorthosites.

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