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Drainage Lines in Bas-Relief

Robert P. Miller
The Journal of Geology
Vol. 45, No. 4 (May - Jun., 1937), pp. 432-438
Stable URL: http://www.jstor.org/stable/30058865
Page Count: 7
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Drainage Lines in Bas-Relief
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Abstract

Old drainage lines in bas-relief have been found in Nejd, Eastern Saudi Aarbia, south of Darb Zubaida, 350-400 kilometers west of the Persian Gulf. There had been developed a hard caliche in this area. On this caliche surface a dendritic drainage pattern was formed. Wind, assisted by leaching action of waters, has scooped out hollows and eroded between the tributaries leaving old stream beds as tops of hills and ridges (Fig. 1). Such a fossil drainage may be called "suspendritic."

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