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24
THE OCEAN.
Fig. 2.—Depths of the Adriatic.
(The parts marked by cross-shading are 270 fathoms and upward in depth.)
maps, or in those parts of the ocean which are destined to receive electric cables. In the open sea ships sail almost entirely over unmeasured
depths.
Owing to its elongated form, and to the amphitheatre of lofty mountains which all but wholly surround it, the Adriatic offers a very remarkable example of the continuation of the continental slopes below the'level
of the sea. The bed of the northern part of this gulf, which is a continuation under water of the level plains of Yenetia, has an^exceedingly gentle slope, much less, in fact, than that of the plains of Lombardy, which
seem horizontal.* The sounding-lead shows only a depth of 54 fathoms
beyond the narrows formed by the islands of Zara and the headland of
Ancona; thus more than a third of the Adriatic is found not to exceed in
* G. Collegno, Geologia deW Italia, p. 12.
| Title | The ocean, atmosphere, and life |
| Creator | Reclus, Elisée |
| Publisher | Harper |
| Place of Publication | New York |
| Date | 1873 |
| Language | eng |
| Type | Books/Pamphlets |
| Title | 00000029 |
| Type | Books/Pamphlets |
| Transcript | 24 THE OCEAN. Fig. 2.—Depths of the Adriatic. (The parts marked by cross-shading are 270 fathoms and upward in depth.) maps, or in those parts of the ocean which are destined to receive electric cables. In the open sea ships sail almost entirely over unmeasured depths. Owing to its elongated form, and to the amphitheatre of lofty mountains which all but wholly surround it, the Adriatic offers a very remarkable example of the continuation of the continental slopes below the'level of the sea. The bed of the northern part of this gulf, which is a continuation under water of the level plains of Yenetia, has an^exceedingly gentle slope, much less, in fact, than that of the plains of Lombardy, which seem horizontal.* The sounding-lead shows only a depth of 54 fathoms beyond the narrows formed by the islands of Zara and the headland of Ancona; thus more than a third of the Adriatic is found not to exceed in * G. Collegno, Geologia deW Italia, p. 12. |
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