Indian Express Explained | 15 November 2023 | Bhuvan A Jha | StudyIQ IAS English
StudyIQ IAS English
Essentially, when new material comes out and finds a zone of weakness, it fills up the empty spaces and gets cooled. This can result in different shades of rocks, indicating dyke intrusion. The ...
Indian Express Explained | 15
November 2023 | Bhuvan A Jha |
StudyIQ IAS English
StudyIQ IAS English
Essentially, when new material
comes out and finds a zone of
weakness, it fills up the empty
spaces and gets cooled. This can
result in different shades of rocks,
indicating dyke intrusion. The
more dy intrusions you spot, the
more you can determine the zone
of weakness according to the
magma.
If the dyke intrusion is over land,
it is generally not a major concern.
However, if it happens over water
, or flows into water from nearby
land, it can lead to intense
volcanic activity and airspace
closure due to the interaction of
heat and water.
Dykes can be formed by magma
intrusion, not only in igneous
rocks but also in sedimentary
rocks. The location of the magma
breach determines the geography
of the dyke.
If a volcano erupts offshore or on
land and flows into the sea, there
is a risk of an explosive ash cloud
due to the interaction of water
and magma. On the other hand, if
it is just the magma and land,
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