Utica Chert
date: label: Accession Date
content: 29 Dec 2016
label: Collection Date
content: 24 Jun 1991
name: label: Collector
content: Jack Holland
label: Collector
content: Gary Merlie
label: Donor Name
content: Estate Of John D. Holland
notes: label: Notes
content: L-162 (Utica Chert): Direct collection from the outcrop; Proveneince includes bedrock and prehistoric quarry; Collection from an archaeological context; Collection includes raw material, outer surface, surrounding matrix, and naturally-weathered specimens.
label: Notes
content: L-162 (Utica Chert): Outcrop & debitage; Collected samples from Bluff Face near the top of the ridge. Also, a few pieces of biface reduction flakes on top of the ridge, strewn with Attica Chert debitage.
label: Notes
content: (Information obtained from the Oneota Type Sheet) Oneota Chert is also known as Harmilda Chert, Starved Rock, Shakopee, Prarie Du Chien, or Utica. It is concentrically banded with white, yellowish gray, olive gray, grayish orange, and light to dark gray brands. It also may be white to gray, white and gray marbeled. It becomes patchy pink and red, satiny or waxy luster when heat-treated. Occassionally has oolite inclusions. It has a oolitic texture that is coarse to medium, opaque with a dull to waxy luster. Deposits occur in a dolomite matrix as large spherical masses up to 50 cm in diameter, often with hollow, quartz-lined cores.
label: Notes
content: Geology remarks: (Information obtained from the Oneota Type Sheet) Geology: Epoch- Ordovician, Series- Lower Ordovician, Group- Prarie du Chien, Form- Oneota
label: Notes
content: Location remarks: (Information obtained from the Oneota Type Sheet) Utica Quarry, LaSalle Co., Illinois; Outcrops in extreme northeast Iowa and adjacent areas of Minnesota and Wisconsin; Fox River bluffs, Sheridan, LaSalle County, Illinois.
label: Notes
content: Archaeology remarks: (Information obtained from the Oneota Type Sheet) n.d.
label: Record Last Modified
content: 22 Nov 2019
label: Specimen Count
content: 23
place: label: Place
content: Utica Township, La Salle County, Illinois, 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: A598255-0
objectType: label: Object Type
content: Stone