TOPOGRAPHIC RELIEF AND SEDIMENT THICKNESS - THEIR EFFECTS ON THE THERMAL EVOLUTION OF THE OCEANIC-CRUST

被引:6
作者
ABBOTT, DH
STEIN, CA
DIACHOK, O
机构
[1] UNIV ILLINOIS,DEPT GEOL SCI,CHICAGO,IL 60680
[2] USN,RES LAB,WASHINGTON,DC 20375
关键词
D O I
10.1029/92GL01996
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
We compiled a suite of 490 heat flow measurements from the Pacific Ocean in areas with less than 85 m of sediment. Heat flow patterns at different basement ages vary with topographic relief. Areas with reliefs < 300 meters are conductively blanketed at 40-60 m.y. and may stop convecting at 70-90 m.y. Areas with reliefs > 300 meters are conductively blanketed at 70-90 m.y. and convect out to greater-than-or-equal-to 90-110 m.y.
引用
收藏
页码:1975 / 1978
页数:4
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