Oriskany Chert (AKA Ridgeley)
date: label: Accession Date
content: 29 Dec 2016
label: Collection Date
content: 23 Mar 1995
name: label: Collector
content: J. D. Holland
label: Collector
content: Philip LaPorta
label: Collector
content: Hugh Jarvis
label: Donor Name
content: Estate Of John D. Holland
notes: label: Notes
content: L-630 (Oriskany Chert): Direct collection from outcrop. Provenience includes bedrock and a prehistoric quarry. Not a collection from archaeological context. Known collection procedure. Collection includes raw material, outer surface, and naturally-weathered specimens.
label: Notes
content: L-630 (Oriskany Chert)
label: Notes
content: Oriskany Chert, also known as Ridgeley, is a black sandy flint or silicified sandstone. It becomes gray when weathered. It has inclusions of irregular and rarely rounded grains of clastic quartz and minor amounts of pyrite, magnetite, zircon, and hornblende. It is a coarse granular material with vitreous or glassy spots. Deposits include nodules ranging from one quarter to eight inches in diameter at the top of the formation or as black nodules.
label: Notes
content: Geology remarks: Epoch- Devonian, Series- Lower Devonian, Stage- Ulsterian, Group- Oriskany, Form- Oriskany Sandstone, Member- Ridgeley Sandstone
label: Notes
content: Location remarks: Exposures at Phelps, Ontario County, New York and Kimber Springs near Syracuse, New Yrok; outcrops 0.5 miles south of Marshalls Creek, Smithfield Township, east side of Rt. 209, Monroe County, Pennsylvania.
label: Notes
content: Archaeology remarks: Prehistoric quarry/workshop 0.5 miles south of Marshalls Creek, Monroe Co., PA - no diagnostic artifacts; Conrail and Deer Park, PA sites.
label: Record Last Modified
content: 22 Nov 2019
label: Specimen Count
content: 1
place: label: Place
content: Smithfield Township, Monroe County, Pennsylvania, United States, North America
topic: label: Topic
content: Archaeology
setName: label: See more items in
content: Anthropology
dataSource: label: Data Source
content: NMNH - Anthropology Dept.
identifier: label: Accession Number
content: 2071475
label: USNM Number
content: A599488-0
objectType: label: Object Type
content: Stone