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Lithic Sourcing |
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Archeologists guide to toolstone sources. |



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Georgetown flint is a fairly localized material from the Edwards Limestone formation that occurs in primary context in Williamson County. |
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Georgetown Blue flint |
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Foraker chert |
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Penter’s (Devonian) |
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Gray or Blue Tool Stone |
lithicsourcing@yahoo.com |

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Novaculite is a sedimentary rock composed mostly of microcrystalline quartz and is a recrystallized variety of chert. It is dense, hard, white to grayish-black, pink, or redish in color, translucent on thin edges, and has a dull to waxy luster. It typically breaks with a smooth conchoidal (shell-like) fracture. The word novaculite is derived from the Latin word novacula, meaning razor stone. |
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Avon |

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Coshoton Flint |
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Also gray, blue, white, or green. Sometimes mottled or banded. Jack Ray has documented 9 types. Don Dickson has described over 20 Reed’s Spring variations. |
