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I have been prepping for nearly 7 years and work on private contracts. I used to work in a museum where they have been using the same methods since mid-2000s so I was taught to prepare using the techniques and tools that they taught me with (and developed my own skills for micro-preparation), namely just using a pneumatic scribe (ME-9100, CP9361, MJ) and a microscope. I've been curious about chemical prep, and was wondering if someone could explain to a complete newbie some of the ins and outs of the method? Or direct me to any forum threads/good websites that explain it. I want to broaden my abilities and also find out if there are any modern developments, besides just buying a new scribe, to preparation as a whole (not just mechanical). I've also never tried sandblasting but wasn't sure if that would be useful. Basically I want to know when it's appropriate to use chemicals, pneumatic tools and sandblasting. Any insights from fellow preppers would be appreciated! Just for a bit more information I primarily work on mammal-like reptiles (therapsids) from the Permian-Triassic boundary from the Karoo area in South Africa. Disclaimer: I must admit I haven't had the chance to search the forum extensively for this information so I'm sure there must be info I just haven't found it yet
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- advice
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
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(and 3 more)
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
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(and 3 more)
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
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(and 3 more)
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
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(and 3 more)
Tagged with:
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
Tagged with:
-
Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Member Collections
From the album: Priscacara
This specimen is from the Green River formation in Wyoming. Found split in two, unfortunately. These images show a before and after prep job using a Vaniman mobile Problast sandblaster. The specimen is a Priscacara from the Eocene period.-
- eocene
- fossilprep
-
(and 3 more)
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Figured I'd share my current project here. I'm currently testing different sandblasting media and their effect on various matrices since this is a somewhat new application for us at Vaniman. The picture is an almost-finished Green River Fish that's roughly 4" x 2" in size. I will be doing a full-scale article regarding the entire process but wanted to share some of the work with you all for fun. I have a lot more pictures so if you're interested- let me know. It's only letting me upload one (?)
- 13 replies
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Fun Infographic on Sandblasting Media and Material Hardness
Vaniman posted a topic in Fossil Preparation
Made this quick reference guide as a fun little graphic to aid in sandblasting matrix. Hopefully, someone finds this useful! Enjoy!- 13 replies
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- air scribe
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Hello Everyone! My name is Nathan and I am getting newly acquainted with the fossil community. I work for a company that manufactures sandblasters which is how I came to find this forum while on my journey into the fossil world. I have always been an avid museum goer and especially like Trilobites and other microfossils out there. I have special insight into micro-abrasive sandblasting and dust collection systems used in a variety of preparation environments and would be happy to help anyone who has questions regarding that. Other that than I hope I can supply some interesting techniques and preparation "hacks" that are helpful. Nice to meet you all! -Nathan Frey
- 20 replies
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- fossils
- microfossils
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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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