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The Earth's Shifting Crust by Charles Hapgood - wire of information

The Earth's Shifting Crust by Charles Hapgood - wire of information

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THE SHAPE OF THE EARTH 173<br />

the crust, and under the weight the crust has bent down<br />

slightly, but it has not given way. This is the more remarkable<br />

since the islands appear to be several million years old.<br />

It indicates that at this point the earth's crust is strong<br />

enough to bear a very considerable weight without yielding.<br />

<strong>The</strong> Great Rift Valley <strong>of</strong> Africa, which we have already dis-<br />

cussed, is uncompensated, despite its great age (97:221).<br />

<strong>The</strong>re are also enormous anomalies in the East Indies. Ac-<br />

cording to Umbgrove, Vening Meinesz found that the nega-<br />

tive anomalies (that is, the deficiency <strong>of</strong> matter) in the great<br />

ocean deeps in that area and the positive anomalies on each<br />

side caused a total gravity deviation <strong>of</strong> 400 milligals. One<br />

milligal, according to Daly, would amount to about 10<br />

meters <strong>of</strong> granite (97:394), so that the total deflection <strong>of</strong> the<br />

crust from gravitational balance here would amount to 4,000<br />

meters <strong>of</strong> granite, or, roughly, three miles <strong>of</strong> granite, which,<br />

in turn, would be the equivalent <strong>of</strong> an ice sheet about nine<br />

miles thick. And the crust has borne this enormous strain,<br />

apparently, for some millions <strong>of</strong> years. According to Daly,<br />

the Nero Deep, near the island <strong>of</strong> Guam, has deviations from<br />

gravitational balance <strong>of</strong> the same magnitude (97:291). Among<br />

uncompensated features on the lands are the Harz Mountains,<br />

in Germany (97:349), and the Himalayas, which stand<br />

about 864 feet higher than they should (97:235). A particu-<br />

<strong>of</strong> consid-<br />

larly interesting case is that <strong>of</strong> the island <strong>of</strong> Cyprus,<br />

erable size, which stands about one kilometer, or 3,000 feet,<br />

higher than it should, and yet shows no signs <strong>of</strong> subsiding.<br />

Daly says:<br />

From Mace's table <strong>of</strong> anomalies and from his map, it appears<br />

that we have here a sector <strong>of</strong> the earth, measuring more than 225<br />

kilometers in length and 100 kilometers in width, and bearing an un-<br />

compensated load equal to one kilometer <strong>of</strong> granite, spread evenly<br />

over the sector. . . . (97:212-13).<br />

<strong>The</strong>se facts would appear to argue a very considerable<br />

strength <strong>of</strong> the crust to resist the pressure toward establishment<br />

<strong>of</strong> gravitational, or isostatic, balance. However, in all<br />

the cases so far mentioned it is true that the deviations have

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