Learning Target: I can create a foldable about the geologic principles that are used to relatively date rock sequences.
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1 Geologic Principles Learning Target: I can create a foldable about the geologic principles that are used to relatively date rock sequences. 1
2 Geologic Principles Foldable You will need 3 pieces of paper to make your foldable. Stagger the papers out so that you have a 1 inch tab for each different color. Hold the 3 papers together staggered and fold in half Staple the papers along the binding 2
3 Fossils Geologic Principals Foldable with interactives.notebook Six Tab Foldable Booklet Principle of Superposition Principle of Cross cutting Principle of Inclusions Principle of Baked Contacts Principle of Original Horizontality Principle of Original Continuity 3
4 1st Flap This principle states that the oldest rock layers are on the bottom. Principle of Superposition youngest C B A oldest Principle of Cross cutting Principle of Inclusions Principle of Baked Contacts Principle of Original Horizontality Principle of Original Continuity 4
5 Principle of Superposition This principle states that The oldest rock layers are on the bottom. 5
6 Superposition 6
7 2nd Flap This principle states that if one geological feature cuts across another, the feature that has been cut is older. C B A D Fault C B A D intrusion Principle of Cross cutting Principle of Inclusions Principle of Baked Contacts Principle of Original Horizontality Principle of Original Continuity 7
8 Principle of Cross cutting Intrusion 8
9 Flap 3 This principle states that if an igneous rock intrusion such as a dike contains xenoliths (rock fragments) the rock fragments must be older. C B A xenolith.. Principle of Inclusions D intrusion Principle of Original Horizontality Principle of Original Continuity 9
10 Principle of Inclusions Xenoliths xenoliths
11 4th Flap An igneous rock intrusion "bakes" (metamorphoses) surrounding rocks. the rock that has been baked is older than the intrusion. B Principle of Baked Contacts A C Principle of Original Horizontality Principle of Original Continuity 11
12 Principle of Baked Contacts Orange zone is baked. Lava flow above it. 12
13 5th Flap This principle states that sedimentary rock layers are formed in relatively flat layers. Folding and tilting of layers occur after the rock layers form. B A Folding is younger Principle of Original Horizontality Principle of Original Continuity 13
14 Principle of Original Horizonality 14
15 Flap 6 This principle states that sedimentary rocks are deposited in large continuous sheets. Principle of Original Continuity 15
16 Principle of Original Continuity 16
17 Let's Review...how is making a PB and J sandwich like relative dating techniques? 17
18 Disconformity 18
19 Angular Unconformity 19
20 Nonconformity 20
21 Learning Target 1 Copy into your composition book Learning Target I can apply geologic principles in order to correctly sequence (relative date) rock layers Pre Assess Big Ideas Post Assess I can do that * I can do that with review? can't do that 21
22 Which is older? Based on which principle? C B A 22
23 2. D canyon A B C Which layer/feature is youngest? Based on which principle? 23
24 3. D fault C B A Which layer/feature is youngest? Based on which geologic feature? 24
25 4. D A. Which layer is older B or D? Based on which geologic principle? E B. In the diagram above, which is older? D the intrusion or E the xenolith? Based on which principle? C B A 25
26 6. B D C A Which layer/feature is youngest? Based on which geologic principle? 26
27 7. B A Which came first layers A and B or folding? Based on which principle? 27
28 28
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