Braintree Slate
date: label: Accession Date
content: 29 Dec 2016
label: Collection Date
content: 13 Aug 1992
name: label: Collector
content: J. D. Holland
label: Donor Name
content: Estate Of John D. Holland
notes: label: Notes
content: L-1129 (Braintree Slate): Collection includes raw material, outer surface, and naturally-weathered specimens.
label: Notes
content: L-1129 (Braintree Slate)
label: Notes
content: Braintree is a dark gray to black slate or hornfels. It becomes light gray when weathered. It has a smooth texture. Deposits include boulders.
label: Notes
content: Geology remarks: Group- Mattapan Volcanics
label: Notes
content: Location remarks: Blue Hills, Milton, MA; Quarried from glacial cobbles and boulders at the Blue Hill River site; Outcrops in the vicinity of Wampatuck Hill.
label: Notes
content: Archaeology remarks: Paleo-Indian period; Blue Hill River site
label: Record Last Modified
content: 22 Nov 2019
label: Specimen Count
content: 14
place: label: Place
content: Blue Hills, Suffolk County, Massachusetts, 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: A598560-0
objectType: label: Object Type
content: Stone