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How the law of superposition helps scientist determine relative age?
Younger layers are deposited on top of older layers, whether the layer is sedimentary or volcanic. Occasionally faults may result in overthrusts, where a series of older layers may be pushed over the top of younger layers. But this is rare. In general, the older layers will be the lower layers.
Are older fossils found in higher layers of earth or lower layers?
lower0000
What type of unconformity would mark the boundary between older rock layers and the newly deposited rock lsyers?
The boundary between older rock layers and newly deposited rock layers is typically marked by a disconformity. This type of unconformity occurs when there is a period of erosion or non-deposition that results in a gap in the geologic record, with the older layers being relatively horizontal. The newly deposited layers sit above the eroded surface of the older layers, indicating a break in the geological time.
Would you expect to find fossils of an organism that lived relatively recently in old layers of rock or in younger layers?
Fossils of an organism that lived relatively recently would be expected to be found in younger layers of rock, as they would not have had sufficient time to become buried and fossilized in older layers. Fossils of older organisms tend to be found in deeper, older layers of rock.
Which layers are older then layer c?
Layers A and B are older than layer C, based on the principle of superposition which states that in undisturbed sequences of rock, the oldest rock layers will be at the bottom and the youngest at the top.
Are the layers of rock above and below the coal older or younger?
Every layer of rock, as one moves up from the core, is younger than the one below it. This means that the layers of rock above and below the coal are different ages, with the one above younger and the one below older.
What does the law of superpositioning state?
Principle stating that older rock layers are beneath younger rock layers.
Why would newer rock layers ever be below older rock layers?
Due to faulting or folding.
What do an intrusion and an extrusion tell us about the rock layers?
(Intrusion) You can learn how old the rock layers are around it. the rock layers around under and all around the intrusion are always older than the intrusion itself. (EXTRUSION) the layers of rock bellow the extrusion is older than the extrusion.
What is the result of Older layers of rock found on top of younger layers called?
The result of older layers of rock being found on top of younger layers is referred to as an "unconformity." This geological feature indicates a significant gap in the geological record, often due to erosion or periods of non-deposition. It disrupts the normal sequence of sedimentary rock layers, where younger layers are typically deposited on top of older ones. Unconformities can provide important insights into the geological history of an area.
What is likely to be true about the age of rocks in deeper and deeper layers?
In general, rocks found in deeper layers are older than rocks found in shallower layers due to the principle of superposition, which states that younger rocks are usually on top of older rocks. This is based on the idea that sedimentary rock layers are deposited in chronological order over time.
Is the fault older or younger than the layers?
older because it is at the bottom and the ones on top are younger than the bottoms
