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What is suggested when many fossils are found in one rock layer but none are found in the layer above it?
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What layer is an old fossil found?
fossils are formed in Sedimentary rock
What type of rock layer are tertiary fossils usually found in?
metamorphic
Which layer of the earth are fossils mostly found?
The crust. There are no fossils in the core as the outer core is liquid and no organisms have lived on the inner core.
How would a geologist determine the age of rock layers and fossils if the geologist found a never before seen rock layer that contain fossils?
First step would be relative-dating: examining the new unit in the context of known rocks above and below it. Then look for correlative formations & fossils elsewhere.
What do scientists use to date exact age of fossils?
For relatively recent fossils, dating by carbon 14 is the most accurate method. For older fossils it is necessary to analyse the geological layer in which they are found; fossils located in an undisturbed geological layer of a certain age, are the same age as the layer in which they are found, necessarily.
What is the layer of gas found above Antarctica?
The layer of gas found above Antarctic is ozone. It was found to be depleted.
What layer is an old fossil found?
fossils are formed in Sedimentary rock
What type of rock layer are tertiary fossils usually found in?
metamorphic
What layer of soil was dinosaur bones found in?
Fossils are not found in the soil. They are found in layers of rock after time.
Which layer of the earth are fossils mostly found?
The crust. There are no fossils in the core as the outer core is liquid and no organisms have lived on the inner core.
What statements states relative age?
"The fossils found in this rock layer are older than the fossils found in the layer above it." "The granite intrusion is younger than the surrounding sedimentary rocks." "The volcanic ash layer is slightly older than the layer of soil above it." "The erosion pattern on the hillside indicates that the granite rocks are older than the layers of sediment deposited on top of them." "The cross-cutting relationship between the fault and the layers of rock indicate that the fault is younger than the rock layers it cuts through."
How would a geologist determine the age of rock layers and fossils if the geologist found a never before seen rock layer that contain fossils?
First step would be relative-dating: examining the new unit in the context of known rocks above and below it. Then look for correlative formations & fossils elsewhere.
Where ozone layer is found right above?
It is found above troposphere. It is present in stratosphere.
Fossils of a species of bird are found in layer 3 Which layer is most likely to have organisms that lived at the same time as the bird species?
Layer 2
Fossils of a species of bear are found in layer 5. Which layer is most likely to have organisms that lived at the same time as the bear species?
layer5
What is the simplest dating method used by paleontologists?
Relative Dating, its where the paleontologists date the fossils according to the layer of soil that the fossil was found compared to other fossils that were carbon dated that were in the same soil layer.
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.
