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One indication that rock layers have been disturbed is when they are no longer in their original, horizontal position. Folding, faulting, or tilting of rock layers can suggest tectonic activity, such as earthquakes or mountain-building processes, that have disrupted the original layering.
rock layering is where you have one layer of old rock them a newer layer then an other newer layer.
The law of superposition states: in horizontal rock layers, each layer is older than the one above it and younger than the one below it.
by differential movements on one set of parallel planes which results in internal rotation of.
a metamorphic rock is a rock that has been changed from one rock to another by heat and/or pressure.....they amount of layers would depend on what kind of rock.....all rocks have a different amount of layers sorry
The layers of rock above the coal are younger, while the layers of rock below the coal are older. This is because sedimentary layers are deposited in a chronological sequence with the oldest rocks at the bottom and the youngest rocks at the top.
If the same types of fossils are found in two separate rock layers, it is likely that the two rock layers are part of one continuous deposit.
If the same types of fossils are found in two separate rock layers, it is likely that the two rock layers are part of one continuous deposit.
This fossil is called a index fossil. It is a species that is easily recognizable, widespread, and existed for a short period of time. By determining the age of the rock layer where the index fossil is found, geologists can establish the approximate age of the surrounding rocks.
a part of one continuious deposit.
There are many types of rock but this one would either be Sedimantary Igneous Metamorphic
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