File:Flint artifacts (Upper Mercer Flint, Pennsylvanian; Ohio, USA) 3.jpg
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| Description |
English: (public display, Geology Department, Wittenberg University, Springfield, Ohio, USA)
These are American Indian artifacts. Such objects are relatively common and have been collected for many years. Traditionally, the best collecting sites are plowed farmers' fields. Arrowheads, spearpoints, scrapers, and knives were made from a variety of specific materials, but chert ("flint") was the most commonly used. Chert/flint is a cryptocrystalline, quartzose sedimentary rock. Other materials include obsidian, a black-colored, glassy-textured, extrusive igneous rock. Scarce arrowhead compositions include crystalline quartz. From exhibit signage: Upper Mercer Flint This distinctive blue-grey to black mottled flint is another variety of flint used by Ohio's prehistoric Indians to manufacture points, knives, scrapers, and other tools. |
| Date | |
| Source | https://www.flickr.com/photos/47445767@N05/41361682895/ |
| Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/41361682895. It was reviewed on 18 November 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 01:31, 18 November 2020 | | 3,776 × 2,341 (4.75 MB) | Ser Amantio di Nicolao (talk | contribs) | Uploaded a work by James St. John from https://www.flickr.com/photos/47445767@N05/41361682895/ with UploadWizard |
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