An LSU Museum of Natural Science presentation to
accompany the activity
Louisiana Rocks andLouisiana Rocks and
MineralsMin...
Objective: Students will gain an
understanding of where minerals come from
and the environmental impact of mining.
Materia...
Investigating the layer-
cake earth
What is stratigraphy?
Study of sediment layers
and the relationship
between rocks and
...
Rules of StratigraphyRules of Stratigraphy
• Steno’s Principle of Superposition
Lower layers are older than higher layers
...
Unconformities-
represents a gap in
deposition – lost
time!
• Nonconformity
• Angular
• Disconformity
Sediment layers are ...
……..And Moved..And Moved
Faults - Surfaces where rocks have fractured and
been displaced (move relative to one another).
Rules apply across Space and Time!Rules apply across Space and Time!
Given the diagram, list the order (oldest to youngest) in
which the following events happened:
A. Faulting B. Tilting E. I...
Illustration of example cake set-up. Note different
cake layers (different colors) and fault.
Illustration of example cake set-up. Note different
cake layers (different colors) and fault.
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LSUMNS geology activities

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Students will gain an understanding of where minerals come from and the environmental impact of mining.

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LSUMNS geology activities

  1. 1. An LSU Museum of Natural Science presentation to accompany the activity Louisiana Rocks andLouisiana Rocks and MineralsMinerals
  2. 2. Objective: Students will gain an understanding of where minerals come from and the environmental impact of mining. Materials For teacher: Stop watch, scale, bucket of pennies For student: 4 chocolate cookies, toothpicks, pencil, data recording sheet, small weigh boat Mining for MMM…Mining for MMM… MineralsMinerals
  3. 3. Investigating the layer- cake earth What is stratigraphy? Study of sediment layers and the relationship between rocks and fossils with time.
  4. 4. Rules of StratigraphyRules of Stratigraphy • Steno’s Principle of Superposition Lower layers are older than higher layers • Original Horizontality Layers are deposited in (near-) horizontal manner • Principle of Lateral continuity Layers extend laterally in all direction • Cross-Cutting Relationships Layers intruded by other rocks are older than the intruding rocks
  5. 5. Unconformities- represents a gap in deposition – lost time! • Nonconformity • Angular • Disconformity Sediment layers are LostSediment layers are Lost…..….. http://epod.usra.edu/archive/images/uncoformitysm.jpg
  6. 6. ……..And Moved..And Moved Faults - Surfaces where rocks have fractured and been displaced (move relative to one another).
  7. 7. Rules apply across Space and Time!Rules apply across Space and Time!
  8. 8. Given the diagram, list the order (oldest to youngest) in which the following events happened: A. Faulting B. Tilting E. Intrusion C. Erosion D. Deposition Classroom assessment activity Deposition 1 Deposition 1 Tilting Tilting Deposition 2 Deposition 2 Intrusion Erosion Faulting 1. Deposition 1 2. Tilting 3. Erosion 4. Deposition 2 5. Intrusion 6. Faulting
  9. 9. Illustration of example cake set-up. Note different cake layers (different colors) and fault.
  10. 10. Illustration of example cake set-up. Note different cake layers (different colors) and fault.

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