Onondaga Chert
Object Details
- Notes
- S-1880 (Onondaga Chert)
- S-1880 (Onondaga Chert): on river N of Millersburg
- Onondaga is also known as Black Rock, Buttermilk Falls, Central Onondaga, Clarence, Coniferous, Diver's Lake, Eastern Onondaga, Edgecliff, Moorehouse, Nedrow, Seneca, Upper Onondaga, and Western Onondaga. It can be gray, mottled gray, black or white. There is generally no color change when heat treated. However, it may turn red, purple or white when treated with extreme heat. It becomes white, pale blue, tan, or brown when weathered. It may have fossiliferous inclusions. It has a coarse to glossy texture. Deposits included bedded tabular and nodular in limestone, glacial, and alluvial gravel deposits. SEE ALSO: BLACK ROCK, BUTTERMILK FALLS, CLARENCE, EATERN ONONDAGA, EDGECLIFF, MOOREHOUSE, NEDROW, SENECA
- Geology: Epoch- Late Devonian, Series- Erian, Group- Ulsterian, Form- Onondaga, Member- Seneca, Moorehouse, Nedrow, Clarence, Edgecliff.
- Location remarks: Lake Erie shoreline, Ontario, Canada; Buttermilk falls chert, PA; Niagara Frontier, NY; Esopus Creek. West Hurley, NY; northeastern and northwestern PA.
- Archaeology remarks: Used during all cultural periods; Arc Site, Genesee Co., NY, Paleoindian; Kilmer Site, Steuben Co., NY, Paleoindian; Meadowcroft Rockshelter
- Record Last Modified
- 22 Nov 2019
- Specimen Count
- 6
- Data Source
- NMNH - Anthropology Dept.
- Accession Date
- 29 Dec 2016
- Collection Date
- 9 Jun 2007
- Accession Number
- 2071475
- USNM Number
- A599435-0
- Collector
- Jim Stutzman
- Donor Name
- Estate Of John D. Holland
- Object Type
- Stone
- Place
- Millersburg area, Dauphine County, Pennsylvania, United States, North America
- See more items in
- Anthropology
- Topic
- Archaeology
- Record ID
- nmnhanthropology_12617039
- Usage
- CC0
