Strati volcano is what I think.
<span>Sandstone
is a clastic sedimentary rock. A clastic sedimentary rock is composed of silicate
minerals and rock fragments. They are transported by moving fluids such as
sedimentation due to gravity and are deposited in the area where it stays. They
are composed mostly of feldspar, quartz, rock (lithic) fragments, clay minerals
and mica.</span>
The Karaganda Basin is famous for the mining of : COAL
Back in the day, the Karaganda Basin was one of the major Coal producer in the world under the control of the Soviet Union
Hope this helps
Yes because rivers are important for trade and even things like fresh water and transport.
