grabenn.

/ˈɡrɑːbən/

Forms: Plural grabens, graben (after German plural gräben).

Etymology: < German graben ditch, introduced in its Geol. sense by E. Suess ( Antlitz d. Erde (1883) I. i. iii. 166).

Geology.

A depression in the earth's surface bounded by faults; a rift valley.

ΘΚΠ

the world > the earth > land > landscape > low land > valley > [noun] > rift valley or valley of elevation

valley of elevation1526

rift valley1894

graben1896

fault-line valley1913

rift1921

1896 J. W. Gregory Great Rift Valley xii. 220 This left a great open Rift Valley (or, to use Prof. Suess's term, a ‘Graben’).

1910 Encycl. Brit. X. 598/1 Crust~blocks resembling ‘graben’ and ‘horsts’.

1913 Bull. Geol. Soc. Amer. 24 201 The broad valley, or graben, of the middle Rhine is inclosed by maturely dissected scarps.

1968 R. W. Fairbridge Encycl. Geomorphol. 485/1 The association of volcanism with grabens is well known.

1970 Nature 18 Apr. 247/1 The whole region is a large graben which has been filled with up to 3 km of evaporites.

This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018).

单词	graben
释义	grabenn. /ˈɡrɑːbən/ Forms: Plural grabens, graben (after German plural gräben). Etymology: < German graben ditch, introduced in its Geol. sense by E. Suess ( Antlitz d. Erde (1883) I. i. iii. 166). Geology. A depression in the earth's surface bounded by faults; a rift valley. ΘΚΠ the world > the earth > land > landscape > low land > valley > [noun] > rift valley or valley of elevation valley of elevation1526 rift valley1894 graben1896 fault-line valley1913 rift1921 1896 J. W. Gregory Great Rift Valley xii. 220 This left a great open Rift Valley (or, to use Prof. Suess's term, a ‘Graben’). 1910 Encycl. Brit. X. 598/1 Crust~blocks resembling ‘graben’ and ‘horsts’. 1913 Bull. Geol. Soc. Amer. 24 201 The broad valley, or graben, of the middle Rhine is inclosed by maturely dissected scarps. 1968 R. W. Fairbridge Encycl. Geomorphol. 485/1 The association of volcanism with grabens is well known. 1970 Nature 18 Apr. 247/1 The whole region is a large graben which has been filled with up to 3 km of evaporites. This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2018). < n.1896
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