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Ordovician volcanic-arc terrane in the Central Appalachian Piedmont of Maryland and Virginia: SHRIMP U-Pb geochronology, field relations, and tectonic significance

Date

Authors

Horton, J W

Aleinikoff, John N.

Drake, Avery Ala

Fanning, Christopher

Publisher

Geological Society of America Inc

Abstract

U-Pb zircon geochronology and field relations provide insights into metavolcanic and associated rocks in the Central Appalachian Piedmont of Maryland and northern Virginia. Ordovician ages were determined for volcanic-arc rocks of the James Run Formation

Keywords

Keywords: depositional sequence; geochronology; island arc; metavolcanic rock; Ordovician; orogeny; sedimentation; SHRIMP dating; Silurian; terrane; volcanism; zircon; Appalachians; Maryland; Piedmont [United States]; United States; Virginia

URI

http://hdl.handle.net/1885/51434

Collections

ANU Research Publications

Type

Book Title

From Rodinia to Pangea: The Lithotectonic Record of the Appalachian region

DOI

10.1130/2010.1206(25)

Restricted until

2037-12-31

Downloads

File

Description

01_Horton_Ordovician_volcanic-arc_2010.pdf (368.77 KB)

02_Horton_Ordovician_volcanic-arc_2010.pdf (68.55 KB)