Kray Gelder
Gold Member
- Feb 24, 2017
- 7,005
- 12,554
- Detector(s) used
- Fisher F75
- Primary Interest:
- Metal Detecting
Oh, wait until you see a whale tooth with UV. The brownish/black business end is a bright yellow/white!
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Dang! I started this thread to find out about toxic or radioactive finds and it turned into quite an interesting read. I appreciate the conversation.
Unfortunately, the thread took a bad turn when all this talk about UV lights came up. My life was quite complete with the things I already own but no, let's not leave well enough alone. Now I have to go find a good UV light so I can play around with that. Not only do I have to research and buy a new flashlight, I have to research what fluoresces under UV. The upside of this is that I have the time to do both.
Also, for today's useless trivia question: What kind of threads are used on a toothpaste tube?
View attachment 1617300View attachment 1617301View attachment 1617302View attachment 1617299A couple of years ago I found a new subdivision going in. They had to excavate large runoff ponds, and they cut through an old undisturbed clay layer estimated age 20-30 million years old. It was loaded with shark teeth, and whale fossils, as well as other sea creature fossil. They spread this clay over the entire site, and I spent several months collecting shark teeth and fossils there. They were not creek tumbled finds, but had lain undisturbed and buried since they settled to the bottom of what used to be the shallow sea covering the east coast lowcountry. Anyway, I discovered at home one day, that they glowed under UV light. I bought a 100 LED UV flashlight, and hunted the site at night. The teeth glowed a bright yellow/green, and stood out like beacons in the dark. I never tested them with a Geiger counter, but I suspect the glow is from uranium, absorbed over millions of years.
Didn't intend to step on your thread, but most of these were found with a UV light.
If imported, I woud say metric. If USA manufactured, I would say Standard.Dang! I started this thread to find out about toxic or radioactive finds and it turned into quite an interesting read. I appreciate the conversation.
Unfortunately, the thread took a bad turn when all this talk about UV lights came up. My life was quite complete with the things I already own but no, let's not leave well enough alone. Now I have to go find a good UV light so I can play around with that. Not only do I have to research and buy a new flashlight, I have to research what fluoresces under UV. The upside of this is that I have the time to do both.
Also, for today's useless trivia question: What kind of threads are used on a toothpaste tube?
That said, I was thinking about the stuff I find when out treasure hunting and got to wondering: have any of y'all ever found anything seriously toxic or radioactive or in some other way dangerous? If so, when did you make the discovery of the danger and were there any negative outcomes?
As a Experimental Physicist specializing in the inner workings of the atom, I was working with radioactive elements for many years; very interesting stuff! As a older and somewhat wiser man, I hope my life on this beautiful planet will not be shortened by such research.
In all my years working around nuclear power plants and with radioactive materials, I picked up less dose than I did flying from North Carolina to Seattle or by working near the coal pile at a fossil fired power plant. To be exact, I was not allowed to take my TLD with me when I went to a coal-fired plant. Let's not speak of the granite buildings in DC.