Tricky IIT-JAM Map questions | Structural Geology IIT-JAM 2016
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- เผยแพร่เมื่อ 13 ต.ค. 2024
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Sir please make a video on TRACE ELEMENTS and how different trace elements can be used to decipher the origin of a magma and conditions prevelant during it's genesis.
Sir, it is a normal or reverse fault ?
What was the reason for 400m not 300m .. I couldn't get it... Plz explain again
That's because the bedding at 400 m is of shale and sandstone. Therefore, we'll consider the sequence of shale - sandstone (from top of map), according to which the stratum contour should have been 800m, so ans is 800-400= 400m......
Yes absolutely..👍
Fault dip is in north direction ??!
Because below fault we have 400m elevation
First see which direction are the beds dipping. This we can see from the stratum contours, that it is dipping towards North. Now see the curvature of the fault, it is similiar to the beds (concave towards North) but the curvature is less.. This means that the dip of the fault is in the same direction as the beds but the dip of the fault is very steep (say around 70°-80°)
@@GeologyConceptsGATEGSINET thanks sir
Is this a normal or reverse fault
It is a reverse fault. Because the actual strike line is 800m,but it found in 400m strike line (which is formed by 400 m counter line touch shale-sst bed.. See bottom of the diagram). The lower strike (400m) is equal to upper strike 400m which is present above the fault plain. So the hanging wall moves upward. So this is a reverse fault.
@@sankarbehera1183
South of the fault is down throw side, and the fault is dipping towards north.
If the fault plane dips in the opposite direction to the downthrow (i.e. Toward the upthrow side) it is a reversed fault.
@@geoirfan please tell .....how u knew about fault direction ...and ...reverse and normal fault are used for relative movements na ...why it will not be a normal fault
Sir what is the dip direction of fault???
First see which direction are the beds dipping. This we can see from the stratum contours, that it is dipping towards North. Now see the curvature of the fault, it is similiar to the beds (concave towards North) but the curvature is less.. This means that the dip of the fault is in the same direction as the beds but the dip of the fault is very steep (say around 70°-80°)
@@GeologyConceptsGATEGSINET okkk.... Thnq sir
@@GeologyConceptsGATEGSINET Sir ..how can we know the dip directions ...by seeing this curvature??? Curvatures of bed and also fault represent the exposures to the earth surfaces na ..and this exposures generally depend upon weathering erosion then ...how we can know about dip direction?
its dipping in north used RHT rule
Sir kindly upload more videos....it's amazing
Heyy are you a bsc geology student?
N