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Geology 110 Review Labs Monday, April, 18, 7:00-9:00 (Dan & Allen) Tuesday, April, 19, 5:00-7:00 (Allen & Meghan) Wednesday, April, 20, 5:00-7:00 (Susan.

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Presentation on theme: "Geology 110 Review Labs Monday, April, 18, 7:00-9:00 (Dan & Allen) Tuesday, April, 19, 5:00-7:00 (Allen & Meghan) Wednesday, April, 20, 5:00-7:00 (Susan."— Presentation transcript:

1 Geology 110 Review Labs Monday, April, 18, 7:00-9:00 (Dan & Allen) Tuesday, April, 19, 5:00-7:00 (Allen & Meghan) Wednesday, April, 20, 5:00-7:00 (Susan & Kim) Thursday, April, 21, 5:00-7:00 (Erin & Susan) Friday, April, 22, 3:00-5:00 (Bethany & Kevin) Sunday, April, 24, 4:00-6:00 (Bethany & Kim) Monday, April, 25, 7:00-9:00 (Dan & Meghan) Tuesday, April, 26, 7:00-9:00 (Kevin) Wednesday, April, 27, 6:00-8:00 (Catherine) Thursday, April, 28, 5:00-7:00 (Erin & Catherine)

2 Relative Dating Techniques 1.Stratigraphic Record i.principle of original horizontality ii.principle of superposition

3 Relative Dating Techniques 1.Stratigraphic Record iii.Law of Lateral Continuity iv.Law of Inclusions v.Cross-cutting relations

4 Relative Dating Techniques 1.Stratigraphic Record v.unconformities (1)disconformity: erosion removes a part of otherwise undisturbed rock (2)angular unconformity: rocks below are at an angle in relation to those above (3)nonconformity: sedimentary rocks lie on top of igneous rocks

5 2.Determining absolute time i.radiometric dating (2)half-life

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7 Deposition of ?, E, DSuperposition

8 Deposition of ?, E, D Intrusion F Superposition Cross Cutting Relations

9 Deposition of ?, E, D Intrusion F Tilting Superposition Cross Cutting Relations Original Horizontality

10 Deposition of ?, E, D Intrusion F Tilting Erosion Superposition Cross Cutting Relations Original Horizontality Unconformity

11 Deposition of ?, E, D Intrusion F Tilting Erosion Deposition of C, B, A Superposition Cross Cutting Relations Original Horizontality Unconformity Superposition

12 Deposition of ?, E, D Intrusion F Tilting Erosion Deposition of C, B, A Intrusion of G Superposition Cross Cutting Relations Original Horizontality Unconformity Superposition Cross Cutting Relations

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14 Deposition of E,G,L,CSuperposition

15 Deposition of E,G,L,C Fault H Superposition Cross Cutting Relations

16 Deposition of E,G,L,C Fault H Tilting Superposition Cross Cutting Relations Original Horizontality

17 Deposition of E,G,L,C Fault H Tilting Erosion Superposition Cross Cutting Relations Original Horizontality Unconformity

18 Deposition of E,G,L,C Fault H Tilting Erosion Deposition of M,D,J Superposition Cross Cutting Relations Original Horizontality Unconformity Superposition

19 Deposition of E,G,L,C Fault H Tilting Erosion Deposition of M,D,J Intrusion of A Superposition Cross Cutting Relations Original Horizontality Unconformity Superposition Cross Cutting Relations

20 Deposition of E,G,L,C Fault H Tilting Erosion Deposition of M,D,J Intrusion of A Erosion Superposition Cross Cutting Relations Original Horizontality Unconformity Superposition Cross Cutting Relations Unconformity

21 Deposition of E,G,L,C Fault H Tilting Erosion Deposition of M,D,J Intrusion of A Erosion Deposition of N,K,B Superposition Cross Cutting Relations Original Horizontality Unconformity Superposition Cross Cutting Relations Unconformity Superposition

22 Deposition of E,G,L,C Fault H Tilting Erosion Deposition of M,D,J Intrusion of A Erosion Deposition of N,K,B Tilting Superposition Cross Cutting Relations Original Horizontality Unconformity Superposition Cross Cutting Relations Unconformity Superposition Original Horizontality

23 Deposition of E,G,L,C Fault H Tilting Erosion Deposition of M,D,J Intrusion of A Erosion Deposition of N,K,B Tilting Erosion Superposition Cross Cutting Relations Original Horizontality Unconformity Superposition Cross Cutting Relations Unconformity Superposition Original Horizontality Unconformity

24 Deposition of E,G,L,C Fault H Tilting Erosion Deposition of M,D,J Intrusion of A Erosion Deposition of N,K,B Tilting Erosion Deposition of F Superposition Cross Cutting Relations Original Horizontality Unconformity Superposition Cross Cutting Relations Unconformity Superposition Original Horizontality Unconformity Superposition

25 Deposition of E,G,L,C Fault H Tilting Erosion Deposition of M,D,J Intrusion of A Erosion Deposition of N,K,B Tilting Erosion Deposition of F Erosion Superposition Cross Cutting Relations Original Horizontality Unconformity Superposition Cross Cutting Relations Unconformity Superposition Original Horizontality Unconformity Superposition Unconformity

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27 Deposition of A, B, C, D, E, F, GSuperposition

28 Deposition of A, B, C, D, E, F, G Tilting of these strata; H (a fault which cuts across the strata) Superposition Original Horizontality

29 Deposition of A, B, C, D, E, F, G Tilting of these strata; H (a fault which cuts across the strata) Erosion I Superposition Original Horizontality Unconformity

30 Deposition of A, B, C, D, E, F, G Tilting of these strata; H (a fault which cuts across the strata) Erosion I Deposition of J, K, and L Superposition Original Horizontality Unconformity Superposition

31 Deposition of A, B, C, D, E, F, G Tilting of these strata; H (a fault which cuts across the strata) Erosion I Deposition of J, K, and L M (an igneous intrusion which cross cuts all older features) Superposition Original Horizontality Unconformity Superposition Cross Cutting Relations

32 Deposition of A, B, C, D, E, F, G Tilting of these strata; H (a fault which cuts across the strata) Erosion I Deposition of J, K, and L M (an igneous intrusion which cross cuts all older features) Erosion N Superposition Original Horizontality Unconformity Superposition Cross Cutting Relations Unconformity

33 Deposition of A, B, C, D, E, F, G Tilting of these strata; H (a fault which cuts across the strata) Erosion I Deposition of J, K, and L M (an igneous intrusion which cross cuts all older features) Erosion N Deposition of P and Q Superposition Original Horizontality Unconformity Superposition Cross Cutting Relations Unconformity Superposition

34 Deposition of A, B, C, D, E, F, G Tilting of these strata; H (a fault which cuts across the strata) Erosion I Deposition of J, K, and L M (an igneous intrusion which cross cuts all older features) Erosion N Deposition of P and Q Both R (an igneous intrusion) and S (a lava flow) must come after Q but it is impossible to say whether R came before or after S since they do not cross cut Superposition Original Horizontality Unconformity Superposition Cross Cutting Relations Unconformity Superposition Cross Cutting Relations

35 Deposition of A, B, C, D, E, F, G Tilting of these strata; H (a fault which cuts across the strata) Erosion I Deposition of J, K, and L M (an igneous intrusion which cross cuts all older features) Erosion N Deposition of P and Q Both R (an igneous intrusion) and S (a lava flow) must come after Q but it is impossible to say whether R came before or after S since they do not cross cut Deposition of T Superposition Original Horizontality Unconformity Superposition Cross Cutting Relations Unconformity Superposition Cross Cutting Relations Superposition

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42 Do A, B, C in lab manual. Skip Parts D and E Do Fossil age dating exercise at front of class as graded assignment.


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