Directions: Write FACT if the statement is correct and BLUFF if the statement is incorrect. Write the answer before the number. _______1. Most unconformities form by both erosion and non-deposition. _______2. Sometimes, layers of rock are missing, creating a gap in the geologic record. _______3. Conformities exist where sedimentary rock layers lie on top of an eroded surface of non-layered igneous or metamorphic rock. _______4. Angular Unconformities exist between horizontal rock layers and rock layers that are tilted or folded. _______5. Complete evidence will show break in the geologic record created when rock layers are eroded or when sediment is not deposited for a long period of time. _______6. Most conformities form by both erosion and non-deposition, but other factors may be involved. _______7. Some rock sequences have been disturbed by forces within the earth. _______8. Tilting occurs when rock layer bend and buckle from Earth’s internal forces.
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