Sky Hill Chert
date: label: Accession Date
content: 29 Dec 2016
label: Collection Date
content: 17 May 1997
name: label: Collector
content: J. D. Holland
label: Donor Name
content: Estate Of John D. Holland
notes: label: Notes
content: L-1359 (Sky Hill Chert): Direct collection from outcrop. Provenience includes grave deposits. Known collection procedure. Collection includes raw material and outer surface.
label: Notes
content: L-1359 (Sky Hill Chert): Collection site about 2 miles upstream from the Mahoning River-Coffee Fun Confluence.
label: Notes
content: Sky Hill Chert is also known as Boarts Chert, Mahoning, Mahoning Black, or Upper Mercer. It is a black through gray to very pale brown, dense black, limonite stained, or opaque and glossy black chert. There is a slight color change when heat-treated. When weathered it becomes brown to light gray. There are inclusions od rare marine fossils, brachiopods, and microscopic quartz. It has a very fine grained and glossy texture. Deposits include alluvium.
label: Notes
content: Geology remarks: Epoch- Pennsylvanian, Form- Pottsville, Member- Upper Mercer
label: Notes
content: Location remarks: Coffee Run, Mahoning Township, Lawrence County, PA
label: Notes
content: Archaeology remarks: The Boarts Site, Lawrence Co., PA (36LR36)
label: Record Last Modified
content: 22 Nov 2019
label: Specimen Count
content: 9
place: label: Place
content: Mahoning Township, Lawrence 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: A599465-0
objectType: label: Object Type
content: Stone