New 40AR/39AR Age Constraints on the Timing of Metamorphism and Deformation in the Western Nashoba Terrane, Eastern Massachusetts
Thesis advisor: Yvette Kuiper === 40Ar/39Ar single-grain total-fusion ages of muscovite and biotite and one 40Ar/39Ar furnace step-heating age of hornblende from the Tadmuck Brook Schist, Nashoba Formation, and Ball Hill mylonite zone are used to reconstruct the late tectonic and metamorphic history...
| Main Author: | |
|---|---|
| Format: | Others |
| Language: | English |
| Published: |
Boston College
2012
|
| Subjects: | |
| Online Access: | http://hdl.handle.net/2345/2604 |