What can we learn from flakes?
I just added a new section to my web page to discuss the subject question. http://www.stonedagger.com/flakes.htmlI'm open to suggestions for expansion or improvement.Bob
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John This may not be of any help but years ago we were trying to analyze the flint debris on a small middle woodland site which had two different types of flint present. One of the characterizations...
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If a flake ends in a step fracture sometimes it will break because it folds itself into the ledge of it's termination. It's running into a wall. If the support is even along the flake surface, then...
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Thanks for the feedback everyone. This is a good reminder that there is more to consider when trying to distinguish between flakes that break during chipping and those that break from secondary...
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Great question, even better answers! I agree with the others with just a couple more comments. I think unbroken flakes and spalls reflect the skill and experience of the knapper. They are the result...
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Thanks for the input, Jim. I also save debitage that can be further used for bifaces, flake tools, scrapers, etc... and have buckets of the stuff. I've never paid much attention to the ratio of...
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Bob...very informative. I enjoyed reading it and am glad that information is out there as public domain for future use. I wondered what your reasoning was when labeling overshots with a rocker punch...
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Goose,When I use the rocker to do deliberate overshot flaking, the flakes are thin enough that they seldom blow out the far edge--hence not prominent. I may consider a change of wording. It also takes...
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Hello Bob, Thanks for taking the time to put together the page. It is very thought provoking. After working with indirect percussion, almost exclusively, for about two months, I feel like I am...
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The use of large punches and large mallets is profusely exhibited in the many videos of Bernard Genelli. He strikes off the long straight flakes with ease and artistry. His #13 video is particularly...
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How did I overlooked this thread? This is such a nice reference, thanks Bob.I`d like to discuss this according to the "Common indicators of tool use":Grandmaster F. Bordes found the so called...
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Interesting. I get flakes like #14 a lot while antler pressure flaking. I often thought it was because I had too big a bite, but haven't really analyzed it much. I will say the flakes ALWAYS came out...
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Here is an image of a popout I got by rocker punch in 2009. Unfortunately, I have no idea what actions caused the event and have not experienced it again
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Goose, you maybe right with the stout platform. Bob thats it! If anyone gets this fracture without a punch, I`d like to hear.
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I haven't noticed this with the horizontal punch yet, but I'll be looking for it. Like Goose, I normally work the punch on ground edges, or isolate platforms. These are amusing flakes! I had something...
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I have had that type of fracture several times using a chest crutch to remove pressure blades from obsidian conical cores. The shelf always occured very close to the proximal end of the blade right...
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Thats pretty cool I have never seen that before. Never in all my percussion have I seen that.
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Thanks Jim, you`re proving it can be replicated by pressure with a crutch. Two techniques until now, maybe its not a positive technique-indicator. And Steve, at least it seems to be absent at direct...
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Marquardt, it looks like 2 flake cracks are started siumtaneously. I have no idea what would cause this 2nd flake crack. With percussion the percussor (because of its larger diameter) sometimes...
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"I woke up in the middle of the night thinking about this! It is good to have nothing more serious to think about....life is good!"Well, I`m not that sure, if the blade and the flake are started...
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