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Benjamin Dattilo replied to the topic Northeastern/North-Central GSA in Pittsburgh, PA in the forum Upcoming Opportunities 7 years, 2 months ago
7 years, 2 months ago7 years, 2 months agoI should show up. I have only a student presenting on some fishes from the Miocene of southern Nevada (Nevada Test Site). I plan to attend and will have federal regulation issues in my head.
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Gary Motz and Benjamin Dattilo are now friends 7 years, 3 months ago
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Lee Cone and Benjamin Dattilo are now friends 7 years, 5 months ago
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Cameron E. Schwalbach and Benjamin Dattilo are now friends 7 years, 5 months ago
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Benjamin Dattilo's profile was updated 7 years, 11 months ago
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Benjamin Dattilo changed their profile picture 7 years, 11 months ago
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Benjamin Dattilo replied to the topic Mold, Cast and Steinkern in the forum What Is It? 8 years ago
8 years ago8 years agoIt really is difficult to use the right words to describe a thing. I meant a different idea.
Maybe just leave the positive negative off:
A mold forms from the original, a cast forms against a mold. Steinkerns are definitely molds.
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Benjamin Dattilo replied to the topic Mold, Cast and Steinkern in the forum What Is It? 8 years ago
8 years ago8 years agoI am not authoritative, but I am picky. With steinkerns there is confusion because internal molds are tricky. A mold is a negative impression of the original formed by contact with the original. A cast is a positive impression of the original formed by contact with the mold. Negative = cast, positive = mold. Material or mode of filling does n…[Read more]
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