Diagnostic Artifacts

An online guide to artifacts from the Middle Atlantic by the Maryland Archaeological Conservation Laboratory

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Fishtail Types

Image of stone projectile point made of Rhyolite, Stemmed shape, with a Expanding stem, Excurvate blade, and Straight base shape. Fishtail type.

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18CR114 Heise #50 Fishtail stemmed rhyolite excurvate blade expanding stem straight base Late Archaic Period

Fishtail Types

Image of stone projectile point made of Rhyolite, Stemmed shape, with a Expanding stem, Excurvate blade, and Concave base shape. Fishtail type.

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18CR114 Heise #50 Fishtail stemmed rhyolite excurvate blade expanding stem concave base Late Archaic Period

Guilford

Image of stone projectile point made of Rhyolite, Lanceolate shape, with a N/A stem, Excurvate blade, and Convex base shape. Guilford type.

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18CR114 Heise #50 Guilford lanceolate rhyolite excurvate blade N/A stem convex base Middle Archaic Period

Jacks Reef Corner Notched

Image of stone projectile point made of Quartz, Corner-Notched shape, with a Expanding stem, Straight blade, and Concave base shape. Jacks Reef Corner Notched type.

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18CR114 Heise #50 Jacks Reef Corner Notched corner-notched quartz straight blade expanding stem concave base Middle Woodland Period

Otter Creek

Image of stone projectile point made of Rhyolite, Side-Notched shape, with a Expanding stem, Excurvate blade, and Straight base shape. Otter Creek type.

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18CR114 Heise #50 Otter Creek side-notched rhyolite excurvate blade expanding stem straight base Middle Archaic Period