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Shokmelt last won the day on September 20 2016

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About Shokmelt

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  1. Shokmelt

    Got fish?

    Hmmmm.....Very 'nlightening.
  2. Shokmelt

    Got fish?

    OMG !!! I have heard of ground-to-air lighting, air-to-ground lighting, and air-to-air lighting, but I have never heard of, much less seen before, ground-to-ground lighting. SPECTACULAR ! Now there's some serious EMI.
  3. Shokmelt

    Gold Basin Gold Specimens

    Well I'm glad we have that cleared up. Thanks for the link WH I would just like to add to this discussion that for the purpose of removing gold from host rock, the key thing to keep in mind is that HF acid, unlike other acids, has the unique ability to react with SiO2 (quartz). So for other mineral constituents, you might have to resort to something like nitric acid (another extremely dangerous substance), or something else that's more appropriate to the particular mineral chemistry in question.
  4. Shokmelt

    GB finds

    You KILLED that skunk !!! GOOD WORK SHOK
  5. Shokmelt

    Bone , Tooth , Shell ?

    I agree, 4M Although, what appears to be limestone clinging to the side, might imply a marine fossil of some kind.
  6. Shokmelt

    Paired ones

    Hello Jimale, Pic. #2 in your above post is encouraging. It's... as us Americans say, Hmmmm.,....Interesting!
  7. Shokmelt

    Meteors can cause fire

    Widmanstation, this is Houston are you receiving ? REPEAT, Are you receiving ? Oh these asteroid miners never have their ears on, their always listening to that bloomin' Rolling-Rock music. Reply: Copy that Houston. Yes we are receiving. And be advised that the Beagle has landed.
  8. Shokmelt

    Meteors can cause fire

    In the case of Sikhote there really isn't much of a Widmanstatten pattern to destroy. However, with respect to iron meteorites in general, the potential temperature increases would probably not be hot enough, nor for long enough, to do much if any damage to a Widmanstatten pattern. Rather, I was suggesting that things like regmaglypts, and heat-affected zones around the edges would form more readily due to the meteors' exterior being able to super-heat more quickly.
  9. Shokmelt

    Meteors can cause fire

    Here's something that I just wanted to toss out there for consideration and conjecture. At one point this thread caused me to start thinking about air bursts like Sikhote-Alin and Chelyabinsk, and how much internal heating of individual fragments might occur as a result of such forceful disruptions Could it be possible that the distinctive, and extensive regmaglypting in Sikhote individuals is partly due to elevated internal temperatures as well as having been suddenly exposed to dense atmosphere; in having burst at such a relatively low altitude? Any thoughts?
  10. Shokmelt

    Meteors can cause fire

    Ya, HF. Hypothesis & quasi-theory being stated as fact is a recurring problem in most science documentaries.
  11. Shokmelt

    Franconia hunt, April 2017

    Springtime in the desert after a wet Winter is truly a glorious thing. So is finding three good meteorites. That trail marker to your select hunting location that you picked up on your way out was a good omen indeed. Well done, Mike Good Times, Shok
  12. Shokmelt

    Now that's some desert varnish

    Not for me either. Thus the source of my confusion, Thanks for clearing that up, Munroney. You mention that you find it difficult to discern the difference between feldspar and quartz. In the case of brecciated material such as this, the fracture tendency is one clue. Although I'm basing my guess of feldspar on both luster and coloration as well.
  13. Shokmelt

    Now that's some desert varnish

    Yes, Mike, that is what I was referring to. Although it does have the coloration and texture of what is commonly seen in desert varnish, it is also flaking off in a way that is typical of weathered fusion crust. That combined with the smoothed out surface underneath it (dramatically different than the other surfaces), and the lack of any desert varnish on any other areas, inclines me to think that it might very possibly be fusion crust instead. It is always important to keep in mind that uncommon meteorites will often have atypical fusion crusts.