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Found 1 result

  1. Hello everyone! So i have been hard at work. Last time I damaged a couple of fossils because the PSI on the sandblasting machine was too high while I was working on removing matrix directly off the fossil. This time I learned that higher pressures like 20 or 40 PSI can be useful for removing large amounts of matrix that are not directly touching the fossil. While lower pressures like 5 PSI are useful for removing small amounts of matrix to expose details of fossils. Also it is a good idea to wait to expose details until the entire fossil is mostly exposed and only detail work remains. This is because the more a fossil is exposed and being worked on the higher chances are that details will be erased by the air abrasive moving over the fossil. Even in areas you are not directly working on. Please watch my video and learn more about it! Special thanks to the University of Utah for letting me use their lab, and a special thanks to the University of Utah Undergraduate Research Opportunity Program for helping too!
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