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What can directly lead to unconformity on an exposed rock?
Uneven rock layers.
Why is it necessary to observe the rock layers of several different localities?
Due to missing layers in the rock strata caused by erosion.
What is the difference between a sill and a laccolith?
Laccoilith forms as an intrusive structure and an Eroding Laccolith has been exposed to the Earth's surface by erosion of the rock layers above it.
What is the process of breaking down rock and soil layers with water?
Erosion
Which process changed the shape of the rock layers over time?
an erosion
What can you learn from exposed layers of rock?
You learn that expose rock layers are the evidence that there was erosion and disturbances going on in that area.
Buried rock is exposed at earths surface by the combination of which two processes?
erosion and deposition
What exposed all the rock layers in The Grand Canyon?
Erosion, caused by wind and water.
Gaps in rock layers that develop when agents of erosion remove existing rock layers?
Gaps in rock layers that develop when agents of erosion remove existing rock layers are known as unconformities.
What rock has erosion?
Any rock that is exposed to it.
What are the rock layers of balanced rock in Arches National Park?
Erosion removed the youngest layers of rock, but all the rock is sandstone.
Any rock exposed at Earths surface will undergo?
The rock or rocks will undergo weathering and erosion.
What causes rock layers to uplift?
Earthquakes or erosion
What can directly lead to unconformity on an exposed rock?
Uneven rock layers.
Why is it necessary to observe the rock layers of several different localities?
Due to missing layers in the rock strata caused by erosion.
How do permeable and impermeable rock layers contribute to the formation of a spring?
The water sinks through the ground through permeable rock and is concentrating when it arrives to impermeable rock. When due to erosion the impermeable rock carrying water is exposed, the water appears as a spring.
If a rock is buried deep inside the Earth which geological process cannot change rock?
Weathering and erosion.
