West Horse Creek Chert
date: label: Accession Date
content: 29 Dec 2016
label: Collection Date
content: Not given
name: label: Collector
content: Stan Ahler
label: Donor Name
content: Estate Of John D. Holland
notes: label: Notes
content: L-655 (West Horse Creek Chert): Direct collection from outcrop. Not a collection from archaeological context. Unknown collection procedure. Collection includes raw material, outer surface, surrounding matrix, and naturally-weathered specimens.
label: Notes
content: L-655 (West Horse Creek Chert)
label: Notes
content: West Horse Chert is also known as Chadron, Flattop, Scenic, White River Badlands, White River Group Silicates, or WRGS. It is a chert and chalcedony. It is purplish gray or light purple to gray, often banded, with gray lenses, occasionally a reddish tint or vein (Munsell: 5, 7.5, 10YR with 3-7 value, 0-1 chroma, 10R3/1). When weathered there is a white to gray hard limestone cortex.
label: Notes
content: Geology remarks: Epoch- Oligocene, Group- White River, Form- Chadron Chalcedony/Flattop Chalcedony/Scenic Chalcedony/West Horse
label: Notes
content: Location remarks: White River Badlands, South Dakota
label: Notes
content: Archaeology remarks: West Horse quarry, 39SH37
label: Record Last Modified
content: 22 Nov 2019
label: Specimen Count
content: 3
place: label: Place
content: Shannon County, South Dakota, 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: A599600-0
objectType: label: Object Type
content: Stone