Casting the Earlham Castoroides, Part 2

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Today was our second day working on the Earlham College giant beaver Castoroides ohioensis, making new molds of the specimen so we can produce new casts. In these posts I want to give a real feeling for how much work is involved in casting an entire skeleton, so I’ve been photographing every mold. Yesterday we set up and poured the right hand, the right humerus, and the first four left ribs, as well as the right ulna:

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…the right scapula:

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…and left ribs 9-12:

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This morning we flipped four of those and poured the other side (the right hand required a second pour on the first side):

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We also prepared several new molds for the first pour, including left ribs 5-8:

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…the last 6 caudal vertebrae:

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…the right radius:

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…right ribs 1-4 and 5-8:

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…the right femur:

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…and the right tibia and fibula:

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We also completed our first mold, left ribs 1-4, so we should be pouring our first casts tomorrow:

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This entry was posted in Castoroides, Paleontological techniques. Bookmark the permalink.

2 Responses to Casting the Earlham Castoroides, Part 2

  1. Doug says:

    you weren’t kidding when you said your bloging would increase. I can barely keep up!

    I need to learn how to make casts (at least good ones anyway).

  2. altondooley says:

    It’s not too difficult to make a good mold and cast, at least if the bone is a simple shape. It does take some practice, though.

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