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Lab # 7 – Sedimentary Rock Identification Due 11/10 Procedure -

Lab # 7 – Sedimentary Rock Identification Due 11/10 Procedure - Use the pictures that follow to help you identify the 8 rock samples. USE THE FLOW CHART on the back of the lab packet to identify each rock NAME. A word bank is provided on slide 6 Use your ESRT for the questions.

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Lab # 7 – Sedimentary Rock Identification Due 11/10 Procedure -

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  1. Lab # 7 – Sedimentary Rock Identification • Due 11/10 • Procedure - • Use the pictures that follow to help you identify the 8 rock samples. • USE THE FLOW CHART on the back of the lab packet to identify each rock NAME. • A word bank is provided on slide 6 • Use your ESRT for the questions

  2. Sample # 1 - Sample # 2 - Grain Size – .0006 - .2 cm Grain Size – > .0004 cm

  3. Sample # 3 - Sample # 4 -

  4. Sample # 5 - Sample # 6 -

  5. Sample # 7 - Sample # 8 - Bubbles with acid Grain Size – .0004 - .006 cm

  6. Word Banks

  7. Sedimentary Rock Identification Flow Chart Does it show visible particles? Yes No Can you see shells? Does it have thin flat layers? yes no Mixed pebbles and smaller rounded fragments yes no Describe the particles? Very Fine Grained – one color Can it be scratched by a finger nail? Angular fragments Sand Fine Grained Feels rough - layers yes no Feels smooth – dull appearance Whole shells and or other fossils – acid test Fine Grained – acid test Breccia Chalk Black – light weight - Shiny Sandstone conglomerate Fossil Limestone Limestone Shale Coal siltstone Organic Organic Clastic

  8. Lab Reflection Lab # 7 – Due 11/20 What was the problem or purpose of the lab? What did we do during class? Describe how sedimentary rocks form? What are some characteristics that are dominate in sedimentary rocks? How can you go further?, Why did we do the lab?, How does it relate to your life?

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