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Check these Science Watch and Science Lab links for more information and activities related to "Stratification & Segregation: Why Does Some Sandstone Have Stripes?"
- Nuclear Magnetic Resonance Six Miles Deep: Physics in the Oil Industry
- NMR is a technique used to determine the porosity and permeability of rock formations.
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- The Absorbency of Rock
- Rocks are not as solid as you may think. They may be able to soak up liquids just like a sponge.
- The Permeability of Soil
- See how soil permeability affects the behavior of rainwater when it hits the ground.
- Porosity
- Here's another experiment that takes a look into the spaces between the grains that make up stone.
- The Brazil Nut Effect
- Why do the Brazil Nuts seem to end up on top of the others in a can of mixed nuts, and what does this have to do with sandstone and oil production?
- Building the Hele-Shaw Cell
- Here are plans and directions for building the apparatus used by Hernán Makse in the Stratification & Segregation experiments.

These links go outside the SEED web site. When you click on one it will open in a new browser window. Close that window when you are done (don't use the Back button ) and you will be looking at this page again.
- Hernán Makse's Home Page
- You'll find a more detailed and technical explanation of the phenomena described in "Stratification & Segregation: Why Does Some Sandstone Have Stripes?" along with reports on other areas that Hernán has researched.
- Schlumberger Oilfield Glossary
- The Schlumberger Oilfield Glossary provides definitions and illustrations of oilfield terms that you will encounter while reading Stratification & Segregation.
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