Onondaga Chert
Object Details
- Notes
- L-454 (Onondaga Chert): Direct collection from outcrops. Provenience includes roadcut. Not a collection from archaeological context. Collection includes raw material, outer surfacem and naturally-weathered specimens.
- L-454 (Onondaga Chert)
- 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 remarks: 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; Meadowcraft Rockshelter
- Record Last Modified
- 22 Nov 2019
- Specimen Count
- 2
- Data Source
- NMNH - Anthropology Dept.
- Accession Date
- 29 Dec 2016
- Collection Date
- Not given
- Accession Number
- 2071475
- USNM Number
- A598939-0
- Collector
- J. D. Holland
- C. D. Cox
- Donor Name
- Estate Of John D. Holland
- Object Type
- Stone
- Place
- Otsego County, New York, United States, North America
- See more items in
- Anthropology
- Topic
- Archaeology
- Record ID
- nmnhanthropology_12616509
- Usage
- CC0
