Geology 111 – Flashcards
Unlock all answers in this set
Unlock answersquestion
How would you expect sediment to change as you walk from shore into the ocean?
answer
Sediment generally changes from sand to mud to limestone.
question
How are changes in sea level recorded in rock?
answer
Rock type changes vertically.
question
How did sea level change to produce this sequence of rocks?
[TOP: Sand, MID: Mud, BOTTOM: Limestone]
answer
Sea level fell.
question
How did sea level change to produce this sequence of rocks?
[TOP: Limestone, MID: Mud, BOTTOM: Sand]
answer
Sea level rose.
question
How did sea level change to produce this sequence of rocks?
[TOP: Limestone, MID1: Mud, MID2: Sand, BOTTOM: Mud]
answer
Sea level fell and then rose.
question
How did sea level change to produce this sequence of rocks?
[TOP: Mud, MID1: Limestone, MID2: Mud, BOTTOM: Limestone]
answer
Sea level fell, then rose, and then fell again.
question
Which rock types would you expect to be deposited on top of limestone if sea level falls and then rises?
answer
mud followed by limestone
question
Which rock types would you expect to be deposited on top of limestone if sea level rises and then falls?
answer
limestone followed by mud
question
Which rock types would you expect to see deposited if sea level rises and then falls?
answer
sand covered by mud covered by sand
