Mattapan Rhyolite
date: label: Accession Date
content: 29 Dec 2016
label: Collection Date
content: 2002
name: label: Collector
content: Greg Bondar
label: Donor Name
content: Estate Of John D. Holland
notes: label: Notes
content: L-1742 (Mattapan Rhyolite): Direct collection from outcrop. Provenience includes bedrock. Not a collection from archaeological context. Collection includes raw material, outer surface, and naturally-weathered specimens.
label: Notes
content: L-1742 (Mattapan Rhyolite):
label: Notes
content: (Information obtained from Mattapan Felsite Type Sheet) Mattapan Felsite, also known as Mattapan Rhyolite or Neponset, is a red to pink felsite. It may have fine flow banding which is either horizontally layered, wavy, or swirled. It becomes cream or light tan with reddish banding when weathered. Texture is fine grained and glassy. Deposits include outcrops and in glacial drift.
label: Notes
content: Geology remarks: (Information obtained from Mattapan Felsite Type Sheet) Geology: Group- Mattapan Volcanic complex
label: Notes
content: Location remarks: (Information obtained from Mattapan Felsite Type Sheet) Outcrops near the shore of the Neponset River, southeastern Massachusetts; On the rice side of Park Garden Estates, Htyde Park Section.
label: Notes
content: Archaeology remarks: (Information obtained from Mattapan Felsite Type Sheet) Utilizied by Middle Archaic groups, especially within the Neville complex, popular again with the Susquehanna tradition complexes; glacial quarry at Braintree, MA
label: Record Last Modified
content: 22 Nov 2019
label: Specimen Count
content: 1
place: label: Place
content: 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: A598535-0
objectType: label: Object Type
content: Stone