ESC 101
GEOLOGIC TIME LAB
NAME________________________________________
Review in lab book:
New 10th Edition: pages 208-211 Geologic Laws for relative age and Unconformities (3 types)
Old 9th Edition:
pages 177-179 Geologic Laws for relative age and Unconformities (3 types)
1.
Complete the Activity “Determining Sequence of Events in Geologic Cross Sections”
(New book pages 219-220 and Old book pages 187-188)
Refer to the Key to Symbols to determine what the colors, textures and lines represent.
Apply the Laws of Superposition, Original Horizontality, Inclusions, Cross Cutting, Unconformities, and contact
metamorphism, intrusion, fault, and unconformities to put the layers and events in order from oldest to
youngest.
Write the sequence of letters for each diagram in the boxes below starting with the OLDEST on the bottom
Cross Section 1
Youngest:
Cross Section 2
Youngest:
Cross Section 3
Youngest:
Cross Section 4
Youngest:
Oldest:
Start
Here!
Start
Here!
2.
Oldest:
Oldest:
Oldest:
Complete Page 2 Absolute Age questions and Block Diagram