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Geology
Bhasa
Dekho
Badlo
(
Bhumigyan
se bheja gais)
Bhuvigyan (Geology)
dunia
jon sab nonliving chij se banaa hae ke baare me parrhae hae.
Photo of the
Ordovician
–
Silurian
boundary, an example of
marine
transgression as exposed on the Southern tip of the Hovedøya island,
Norway
. Due to the folding of the Caledonian mountain range, the layers have been inverted, leaving Ordovician granular
limestone
on top of the later Silurian brownish
mudstone
.