________ realized earths history contains a chronological history of geologic events.
2
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Sandstone
________ is younger than shale because the pieces of shale eroded as the ________ was deposited.
3
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Nonconformity
________: a boundary between non- sedimentary rocks (below) and sedimentary rocks (above)
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Angular unconformity
________: a boundary between two sequences of sedimentary rocks where the underlying ones have been tilted (or folded) and eroded prior to the deposition of the younger ones.
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Disconformity
________: a boundary between two sequences of sedimentary rocks where the underlying ones have been eroded (but not tilted) prior to the deposition of the younger ones.
6
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angular unconformity
a boundary between two sequences of sedimentary rocks where the underlying ones have been tilted (or folded) and eroded prior to the deposition of the younger ones
7
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disconformity
a boundary between two sequences of sedimentary rocks where the underlying ones have been eroded (but not tilted) prior to the deposition of the younger ones