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Fossils at the top of a canyon are younger than those at the bottom due to the principle of stratigraphy, which states that in undisturbed sedimentary layers, the oldest layers are at the bottom and the youngest are at the top. As sediment accumulates over time, new layers are deposited on top of older ones. Therefore, the fossils found in the higher layers were formed more recently than those in the lower layers, reflecting the chronological sequence of geological events.
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Why would fossils found at the top of a canyon probably be younger than those found at the bottom of the canyon?
The fossils found at the top of a canyon will probably be younger than those at the of the bottom of the canyon because the fossils at the bottom of the canyon would have been there earlier when the so called "canyon" was once a flat land, so as time went by, the flat land began growing and getting taller and finally became a canyon so the fossils at the top of the canyon WOULD be younger than those at the bottom because the bottom fossils were there before the top of the canton even existed.
Why are the fossils at the bottom older than the ones at the top of the soil?
I don't now you
How would you use fossils in a sentence?
Archaeologist Darwin has found a suspicious fossil at the Grand Canyon.
Where are older fossils mostly found under or above younger fossils?
If the rocks containing the fossils have been involved in a mountain building episode they would be folded and if some of the folds were laid in a recumbent position and later eroded you would have older above younger rocks. Of course, it would be easy to find out if this was the case because of the various sedimentary structures in each separate layer of rock.
Where can you find the oldest fossils in sedimentary rock layers?
The oldest fossils are typically found in the deepest sedimentary rock layers, which are located at the bottom of a rock formation. This principle is known as the law of superposition in geology, where older rock layers are found beneath younger ones.
A scentist finds a rock with fossils at two different levels what she might conclude that the fossils on the bottom are older than the fossils at the top?
The fossil on the bottom would be older because as time goes on rock builds up and buries fossils so the higher it is the more recent it is.
What layer of rock would you most likely find a fossil?
Is at the bottom of course! Since sedimentary rock is formed when layers build up and then harden. So the younger would be at the top.!
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.
Fossils found in younger rocks?
The youngest rocks would be igneous, those created by cooling magma. Impossible to find a fossil there.
How would you know which rock layer in a canyon is the oldest?
The oldest rock layer in a canyon is typically the layer found at the bottom. This is because new layers of rock are deposited on top of older layers over time, resulting in a sequence with the oldest rocks located at the base of the canyon. Geologists use principles of stratigraphy, such as the Law of Superposition, to determine the relative ages of rock layers in a canyon.
Does erosion cause a canyon to fill up?
The sides of the canyon would always be crumbling into it, but as that would mean it was getting wider, it wouldn't fill up, just get more level. But presumably there's a stream/river at the bottom which caused the canyon in the first place and this is likely to continue the erosion.
Would it be likely to find fossils of the older reptile species in rock layers younger than the volcanic ash?
not really, i don't think so.
