Petrology of the Gracefield pluton.
The Gracefield pluton is composed of two distinct syenite intrusions; both of which appear to have been intruded late in the Grenville tectonic and metamorphic history. They both exhibit a well developed concentric mineralogical zoning. They have shonkinitic cores which grade laterally into alkali s...
| Main Author: | |
|---|---|
| Format: | Others |
| Published: |
University of Ottawa (Canada)
2009
|
| Subjects: | |
| Online Access: | http://hdl.handle.net/10393/10946 http://dx.doi.org/10.20381/ruor-8534 |