Kalkberg Chert
date: label: Accession Date
content: 29 Dec 2016
label: Collection Date
content: 2001
name: label: Collector
content: Roland Nafus
label: Donor Name
content: Estate Of John D. Holland
notes: label: Notes
content: L-1732 (Kalkberg Chert): Not a direct collection outcrop. Provenience includes float/residuum. Not a collection from archaeological context. Known collection procedure. Collection includes raw material, outer surface, surrounding matrix, and naturally-weathered specimens.
label: Notes
content: L-1732 (Kalkberg Chert): Occurs as "float" over approximately 20 acres. *See map in notes/comments section of inventory sheet*
label: Notes
content: Kalkberg Chert is also known as Hannacroix, Helderberg, or Lower Hannacroix. It is either homogeneous black (N2), or very dark gray (N3). No color change when heat-treated (specimen heated to 450 C). Inclusions of sparkly particles (apparently clastic quartz grains) are common. Medium to fine grain, glossy texture. Deposits include bedded, tabular, small nodules and localized lenses.
label: Notes
content: Geology remarks: Epoch- Devonian, Series- Lower Devonian, Group- Helderberg, From- Kalkberg
label: Notes
content: Location remarks: Rt. 20 south side road cut, immediately east of the Rt. 20 166 intersection and Otsego Co., NY; Outcrops near Catskill, NY
label: Notes
content: Archaeology remarks: n.d.
label: Record Last Modified
content: 22 Nov 2019
label: Specimen Count
content: 1
place: label: Place
content: Herkimer County, New York, 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: A598886-0
objectType: label: Object Type
content: Stone