Deciphering igneous and metamorphic events in high-grade rocks of the Wilmington Complex, Delaware: Morphology, cathodoluminescence and backscattered electron zoning, and SHRIMP U-Pb geochronology of zircon and monazite

N. Aleinikoff, John; Schenck, W.S.; Plank, M.O.; Srogi, LeeAnn; Mark Fanning, C.; L. Kamo, Sandra; Bosbyshell, Howell

doi:10.1130/b25659.1

Public

Deciphering igneous and metamorphic events in high-grade rocks of the Wilmington Complex, Delaware: Morphology, cathodoluminescence and backscattered electron zoning, and SHRIMP U-Pb geochronology of zircon and monazite

Published in Geological Society of America Bulletin • Dec 22, 2005

Authors:

John N. Aleinikoff

W.S. Schenck

M.O. Plank

Abstract

High-grade rocks of the Wilmington Complex, northern Delaware and adjacent Maryland and Pennsylvania, contain morphologically complex zircons that formed through both igneous and metamorphic processes during the development of an island-arc complex and suturing of the arc to Laurentia. The arc compl...

Subject

Geochronology

Geology

Geological survey

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