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Showing results for tags 'sandblasting'.
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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
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Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Members Gallery
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. -
Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Members Gallery
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. -
Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Members Gallery
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. -
Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Members Gallery
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. -
Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Members Gallery
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. -
Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Members Gallery
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. -
Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Members Gallery
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. -
Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Members Gallery
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. -
Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Members Gallery
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. -
Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Members Gallery
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. -
Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Members Gallery
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. -
Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Members Gallery
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. -
Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Members Gallery
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. -
Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Members Gallery
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. -
Split specimen from Green River in WY. Fossil seen in between layers.
Vaniman posted a gallery image in Members Gallery
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. -
Looking For Unwanted/Difficult/Partial Specimens
Vaniman posted a topic in General Fossil Discussion
Hello all. I hope this is OK to ask... I was wondering if anyone would be generous enough to send me (Nathan) some "throw-away" matrix material or partially encased fossils so that I can attempt to prepare and document various methods for sandblasting them. We are currently trying to make improvements on our sandblasters for harder, more difficult matrix and I need samples for R&D. I would happily send this person the specimen back after it's been prepped if they would like and will give full credit in any publications we create using the sample. There would be videos sho -
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 (?)
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- fossil fish
- green river
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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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- sandblasting
- fossil prep
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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. Thi
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- trilobites
- UROP
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