Q)
If the average crustal thickness is 35 km and the height of the mountain is 5
km mean sea level. The crustal thickness based on Airy’s model beneath the
mountain will be
Solution:
Given that
Height of the mountain
= 5km
Average crustal
thickness = 35 km
According to the Airy’s model the thickness of
the root
$r=\frac{\rho_{c}}{\rho_{m}-\rho_{c}}h$
$r=(\frac{2.7}{3.3-2.7})5$
$r=22.5
km$
For obtaining the total crustal thickness we
have to the mountain height , Average crustal thickens and the root of the
mountain
Crustal thickness = 5+35+22.5
Crustal
thickness = 62.5 km
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