Relative Age Dating - Connection

Law of Superposition

Law of Cross-Cutting Relationships

Law of Original Horizontality

Law of Faunal Succession

Law of Cross-Cutting Relationships

Law of Superposition

Law of Original Horizontality

Law of Faunal Succession

Fossil 1 is younger than fossil 2.

Fossil 1 is older than fossil 4.

Fossil 3 is older than fossil 2.

Fossil 3 is younger than fossil 4.

Older rocks are found at the bottom of a sequence

Layers of sediment are originally deposited horizontally

A fault or intrusion is younger than the rocks it cuts through

Fossils succeed each other in a definite order

Intrusion M

Layer D

Fault J

Layer X

Igneous intrusion W is younger than sedimentary rock layers Z and X, but its relative age to layer Y cannot be determined.

Igneous intrusion W is younger than sedimentary rock layers Y and Z but older than layer X.

Igneous intrusion W is older than sedimentary rock layers Z and X, but its relative age to layer Y cannot be determined.

Igneous intrusion W is older than sedimentary rock layers Y and X but younger than layer Z.

Non-conformity

Disconformity

Angular unconformity

Non-conformity

Disconformity

Angular unconformity

Non-conformity

Disconformity

Angular unconformity

B-A-D-E-C

C-E-D-A-B

C-E-D-B-A

A-B-C-D-E

W, V, X, Z, and Y

W, Y, V, X, and Z

W, V, X, Y, and Z

W, V, Y, X, and Z

E

B

C

D

B-C-D-A-M-E-F-G-H

E-M-A-D-C-B-H-G-F

H-G-F-E-M-A-D-C-B

H-G-A-D-C-B-F-E-M