Use PEMDAS
The best indication of the relative age of a rock layer is its position in relation to other rock layers. The principle of superposition states that in a sequence of undisturbed rock layers, the oldest layer is at the bottom and the youngest is at the top. Cross-cutting relationships, fossil succession, and original horizontality can also provide clues for determining relative age.
Statement A suggests relative age because it implies that the top layer of sedimentary rock is younger than the layer beneath it due to the principle of superposition, which states that in undisturbed layers of rock, the oldest layer is at the bottom. Statement B refers to an absolute age, stating the age of Earth at 4.6 billion years, which is not about the relative age relationship between different rock layers.
refers to how old a certain rock or rock layer is compared to another rock
Relative dating provides an estimated age of a rock layer or fossil based on its position in relation to other rock layers or fossils. It helps determine the sequence of events in Earth's history, but does not provide an exact numerical age.
You can find the age of the rock layer by using radiometric dating methods on the volcanic ash layers above and below it. By dating the layers surrounding the rock layer, you can determine the relative age of the rock.
Use PEMDAS
If it is above it, the rock layer came after the intrusion. if the intrusion went through the rock layer is older because they layer had to be there in order for the intrusion to go through.
The age of the rock layer
The best indication of the relative age of a rock layer is its position in relation to other rock layers. The principle of superposition states that in a sequence of undisturbed rock layers, the oldest layer is at the bottom and the youngest is at the top. Cross-cutting relationships, fossil succession, and original horizontality can also provide clues for determining relative age.
no, the relative age
they cant
The layer of soil that is made up of only partly weathered rock is called the C horizon, also known as the parent material layer. This layer is located below the B horizon and consists of partially weathered rock fragments that are not yet fully decomposed into soil.
Statement A suggests relative age because it implies that the top layer of sedimentary rock is younger than the layer beneath it due to the principle of superposition, which states that in undisturbed layers of rock, the oldest layer is at the bottom. Statement B refers to an absolute age, stating the age of Earth at 4.6 billion years, which is not about the relative age relationship between different rock layers.
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.
The method used will be determined by the rock type, but the age of a rock will be determined by a determination of the amount of decay of a radioactive isotope, either contained in the rock, or in a geologic layer of rock coinciding with a fossil.
refers to how old a certain rock or rock layer is compared to another rock