Sewickley Flint Chert
date: label: Accession Date
content: 29 Dec 2016
label: Collection Date
content: 28 Sep 1996
name: label: Collector
content: Jim Herbstritt
label: Donor Name
content: Estate Of John D. Holland
notes: label: Notes
content: L-1299 (Sewickley Flint Chert): Collection includes raw material, outer surface, and naturally-weathered specimens.
label: Notes
content: L-1299 (Sewickley Flint Chert): Delorme map 85:A-5
label: Notes
content: (Information obtained from the Sewickley Tyep Sheet) Sewickley, also known as Sewickley Flint, is a gray to very dark gray chert or flint. When weathered it becomes buff gray to tan. Fossils, when present, consist of freshwater ostracods. It has a semi-vitreous to vitreous texture. Distinctive brecciated feature of the Benwood limestones. Deposits include nodular and brecciated.
label: Notes
content: Geology remarks: (Information obtained from the Sewickley Tyep Sheet) Geology: Epoch- Pennsylvanian, Series- Upper Pennsylvanian, Group- Monongahela, Form- Pittsburgh, Member- Sewickley/Benwood
label: Notes
content: Location remarks: (Information obtained from the Sewickley Tyep Sheet) Railroad cut and stream bed at Chartiers Bottom on lower South Ten Mile drainiage; Light gray to dark gray, clear, chalcedony-like veins running through the nodule fragments, Chartiers Bottom, Morgan Township, Greene Co., PA.
label: Notes
content: Archaeology remarks: (Information obtained from the Sewickley Tyep Sheet) Meadowcroft Rockshelter, 36WH298
label: Record Last Modified
content: 22 Nov 2019
label: Specimen Count
content: 1
place: label: Place
content: Morgan Township, Greene 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: A599450-0
objectType: label: Object Type
content: Stone