RIFTWARD YOUNGING OF VOLCANIC UNITS IN THE ADDIS-ABABA REGION, ETHIOPIAN RIFT VALLEY

被引:64
作者
MORTON, WH
MITCHELL, JG
REX, DC
MOHR, P
机构
[1] UNIV LEEDS,DEPT EARTH SCI,LEEDS LS2 9JT,W YORKSHIRE,ENGLAND
[2] UNIV NEWCASTLE UPON TYNE,SCH PHYS,NEWCASTLE TYNE NE1 7RU,TYNE & WEAR,ENGLAND
[3] NATL UNIV IRELAND UNIV COLL GALWAY,DEPT GEOL,GALWAY,IRELAND
[4] UNIV ADDIS ABABA,DEPT GEOL,ADDIS ABABA,ETHIOPIA
关键词
D O I
10.1038/280284a0
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
A general riftward younging of surficial volcanic units is a feature of the Addis Ababa sector of the Ethiopian rift valley. The narrowing of the volcanic zone with time is due to crustal necking and topographical control. © 1979 Nature Publishing Group.
引用
收藏
页码:284 / 288
页数:5
相关论文
共 46 条
[1]  
Baker B.H., 1976, J GEOL SOC LONDON, V132, P467, DOI [10.1144/gsjgs.132.5.0467, DOI 10.1144/GSJGS.132.5.0467]
[2]  
BAKER BH, 1978, PETROLOGY GEOCHEMIST, P29
[3]  
BERCKHEMER H, 1975, AFAR DEPRESSION ETHI, P89
[4]  
Brotzu P., 1974, B VOLCANOL, V38, P206
[5]  
CHURNET HG, 1974, 1973 74 HSI U DEP GE, P20
[6]  
COMUCCI P, 1932, P VERB SOC TOSCANA S, V41, P100
[7]  
DIPAOLA GM, 1976, GEOLOGICAL MAP TULLU
[8]  
Francaviglia A, 1940, B GEOL SOC ITAL, V59, P205
[9]  
GORTANI M, 1973, ACCAD NAZ LINCEI ROM, V1
[10]  
GOUIN P, 1964, B GEOPHYS OBS ADDIS, V7, P185