Paleogirl98 Posted September 11, 2011 Share Posted September 11, 2011 (edited) Hi I was wondering what is the normal distance (from the fossil) that you use for air abrasion? Edited September 11, 2011 by Paleogirl98 Link to comment Share on other sites More sharing options...
Sharkbyte Posted September 11, 2011 Share Posted September 11, 2011 Hello Paleogirl98, Welcome to the Forum. I have seen several people comment on prepping fossils with air/sand abrasion so I am sure you are going to get the answer you are looking for but I am sure it varies with grit and air pressure used as well as the composition of the matrix to be removed. I imagine it would take some experimenting or practice to find the best combination. Bobby "A journey of a thousand miles begins with a single step." - Confucius Link to comment Share on other sites More sharing options...
Paleogirl98 Posted September 12, 2011 Author Share Posted September 12, 2011 I'm going to be working with trilobites in a shale matrix I'm not sure with grits yet. Link to comment Share on other sites More sharing options...
Fossildude19 Posted September 13, 2011 Share Posted September 13, 2011 (edited) Hi I was wondering what is the normal distance (from the fossil) that you use for air abrasion? Hello Paleogirl98, and welcome to the Forum! I found this Link online : Air abrasives 101 - May be helpful. Looks pretty informative. Regards EDIT : For some additional links... HERE. Good Luck - Post your results! Edited September 13, 2011 by Fossildude19 Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
Paleogirl98 Posted September 13, 2011 Author Share Posted September 13, 2011 Thanks Link to comment Share on other sites More sharing options...
MikeD Posted September 14, 2011 Share Posted September 14, 2011 What they said. Also, you need to practice/experiment on pieces that have no value to you before committing to prep your prize specimen. Usually, you want to keep the pencil moving and at an angle to the object being prepped. Holding it in one spot or pointing it straight on can blow a hole right through the specimen or blast of pieces that you didn't want to. Link to comment Share on other sites More sharing options...
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