Spring Branch Chert
date: label: Accession Date
content: 29 Dec 2016
label: Collection Date
content: Nov 1993
name: label: Collector
content: Toby Morrow
label: Donor Name
content: Estate Of John D. Holland
notes: label: Notes
content: L-242 (Spring Branch Chert): Collection includes raw material, outer surface, surrounding matrix, and naturally-weathered specimens.
label: Notes
content: L-242 (Spring Branch Chert)
label: Notes
content: Spring Branch Chert is a black chert with gray mottling. When weathered it has a limestone matrix. It may have fusulinid inclusions and has a very smooth texture. Deposits include fossiliferous.
label: Notes
content: Geology remarks: Epoch- Pennsylvanian, Series- Upper Pennsylvanian, Stage - Virgilian, Group- Shawnee, Form- Lecompton, Member- Spring Branch
label: Notes
content: Location remarks: Bedrock ledge forming a small riffle in Silver Creek, a tributary to the Nishnabotna River, Mills Co., IA
label: Notes
content: Archaeology remarks: n.d.
label: Record Last Modified
content: 22 Nov 2019
label: Specimen Count
content: 3
place: label: Place
content: Cass County, Iowa, 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: A598395-0
objectType: label: Object Type
content: Stone