THE ROLE OF MANTLE PLUMES IN CONTINENTAL BREAKUP - CASE-HISTORIES FROM GONDWANALAND

被引:525
作者
STOREY, BC
机构
[1] British Antarctic Survey, CA, CB3 OET, High Cross, Madingley Road
关键词
D O I
10.1038/377301a0
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
After thirty years of plate-tectonic theory, the reasons why supercontinents disintegrate and disperse to form smaller continental plates remain enigmatic. possible causes range from abnormally hot mantle upwellings, or plumes, to changes in plate-boundary driving forces. The breakup of the Gondwanaland supercontinent, which started about 180 million years ago, provides an excellent case history against which to test models.
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页码:301 / 308
页数:8
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