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-1360 (Sky Hill Chert): Direct collection from outcrop. Provenience includes grave deposits. Known collection procedure. Collection includes raw material, outer surface, and naturally-weathered specimens.
label: Notes
content: L-1360 (Sky Hill Chert): Location is near the Boarts Site. Sky Hill samples collected on the east side of Coffee Run about 50 yards upstream fro mthe Mahoning River Confluence. The Mahoning was too high to search for chert in & along the river. A single gravel bar was mud-covered.
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: 16
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: A599464-0
objectType: label: Object Type
content: Stone