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Found 6 results

  1. So I make slides of microfossils from ~ <1mm - 2mm. I use a glue that I make with food grade gum tragacanth and water as was recommended to me when I first started. However, I have always found it a bit annoying to make, get the consistency right and keep properly, especially as I haven't been able to find any definitive guides to this. I'm wondering whether any of you use gum tragacanth as well and have a ratio/recipe/advice for me? Or if anyone has had good success (long lasting, dries clear, secure, fossil safe) with any other type of glue? Thanks!
  2. Hoping some of the pros here are willing to share microfossil prep techniques or suggestions to journal articles on the subject. I have been hunting conodonts and the like for quite some time, but the glacial acetic acid digestion and pan and scan techniques have failed me. I experimented with HCl and H2SO4 in various concentrations, and even tried some ion exchange extractions ( which work on paper, but are lousy in practice)! This sort of fossil hunting has become vendetta for me and I suspect I am using the wrong search terms in the academic data bases. I'll be on an excursion until the 26th of July, but I'm going to try and check in here from Spanish Fork or Delta. (And hopefully have some non-nebraska samples to work with and turn my students loose on!)
  3. Filming Conodonts

    Hi! I recently acquired a bunch of microfossil samples for kids to play but did not expect them to be so small. We tried some microscopy but ended up applying a little trick that actually to helped to film them "in action", which was kind of cool. I do not know if this technique is a common knowledge or not but I decided to share. Perhaps, it will be of use to somebody. Here you go: Any suggestions for improvements? Thanks!
  4. Looking for a Stereo Microscope in Europe

    Hi everyone! I'm looking to buy a Stereo Microscope in Europe for microfossil observation and was wondering if anyone can point out recommended brands. The price range for me is <400 Euros. Thanks!
  5. Thought I'd share this here. I just purchased a nifty device for aiding photography through the microscope with a cell phone. I shoot photos through the scope all the time, and if you have ever done this, you know that it takes surgeon's hands to find the eyepiece, center the photo, and get a crisp image. This device clamps to the eye-piece and works on monocular and binocular scopes. It adjusts for the placement of any cell phone. A bit pricey at $189 (available online at Scientific Device Laboratory), but I had to have it and already love it. Here's a pic without the phone.
  6. Wood Cell Structure

    Hello Forum, This week I've been having fun trying to get better at making photographs through the microscope. I currently use a compact camera (Panasonic DMC-TZ25) on a tripod. The following previous threads were quite helpful and I am looking for more tips, tricks and techniques. For example, does anyone here have good ideas on how to photograph specimens with very little contrast/color through the microscope? Thanks, Tim All: Araucarioxylon* wood from the Triassic of the Chinle Fm., Arizona, United States. Cross-sections showing typical honeycomb-shaped tracheids. Left: Osmundacaulis leaf trace from the Jurassic of Tasmania, Australia. Just perfect as a copyright-symbol. Middle: Quercus wood from the Miocene of northeastern Hungary, showing the diagnostic wide rays and ring-porosity. Right: Quercus? (live oak?) wood from the Miocene of central California, showing the onset of a medullary ray. * Well, perhaps Araucarioxylon is not the best name to use any more, given this paper. But then, you know what I mean...
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