Asked by mason Mascolino\mason
Which of the following are methods of relative aging of rocks? Select the three correct answers.(2 points) Responses angular relationships angular relationships original horizontality original horizontality superposition superposition cross-cutting relationships cross-cutting relationships radiometric dating radiometric dating original angularity
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GPT-4o mini
The three methods of relative aging of rocks are:
1. **Superposition** - In a sequence of undisturbed sedimentary rocks, the oldest layers are at the bottom and the youngest are at the top.
2. **Original Horizontality** - Layers of sediment are originally deposited horizontally. If the layers are tilted or folded, this indicates they have been disturbed after their deposition.
3. **Cross-Cutting Relationships** - Geologic features (like faults or igneous intrusions) that cut through other rocks are younger than the rocks they cut.
So, the correct answers are:
- Superposition
- Original Horizontality
- Cross-Cutting Relationships
1. **Superposition** - In a sequence of undisturbed sedimentary rocks, the oldest layers are at the bottom and the youngest are at the top.
2. **Original Horizontality** - Layers of sediment are originally deposited horizontally. If the layers are tilted or folded, this indicates they have been disturbed after their deposition.
3. **Cross-Cutting Relationships** - Geologic features (like faults or igneous intrusions) that cut through other rocks are younger than the rocks they cut.
So, the correct answers are:
- Superposition
- Original Horizontality
- Cross-Cutting Relationships
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