Gunflint (Formation) Chert
date: label: Accession Date
content: 29 Dec 2016
label: Collection Date
content: Apr 1994
name: label: Collector
content: J. D. Holland
label: Collector
content: Pat Julig
label: Donor Name
content: Estate Of John D. Holland
notes: label: Notes
content: L-870 (Gunflint Chert): Direct collection from outcrop. Not a collection from archaeological context. Unknown collection procedure. Collection includes raw material, outer surface, and naturally-weathered specimens.
label: Notes
content: L-870 (Gunflint Chert)
label: Notes
content: Gunflint is also known as Kakabeca, Pass Lake, Port Arthur Jasper, Mesabi Silica, and Jasper Taconite. It is a red, black, and blue type of anthraxolite, taconite, chert, or jasper, with a coarse to smooth texture. When weathered, is gray, tan, light brown to dark brown, iron oxidation, black.
label: Notes
content: Geology remarks: Epoch- Precambrian, Group- Menominee, Animikie, Form- Gunflint, Biwabik.
label: Notes
content: Location remarks: Thunder Bay region, western Ontario, Canada; Northern Minnesota
label: Notes
content: Archaeology remarks: Cummins site, Late Paleoindian (Plano), city of Thunder Bay, Ontario, on Lake Superior - dated to 8482 B.P. A fluted point of Gunflint Jasper-Taconite was recovered at the Trojan Site in Bradford, PA; A biface medial section from the Paleoindian component of the Kilmer Site, Steuben Co., NY, visually resembles the maroon, orange spotted variety of Gunflint Jasper-Taconite; Fluted Davis site, Crown Point, NY
label: Record Last Modified
content: 22 Nov 2019
label: Specimen Count
content: 5
place: label: Place
content: Schreiber, Ontario, Canada, 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: A599276-0
objectType: label: Object Type
content: Stone