The Center Pond pluton: The restite of the story (phase separation and melt evolution in granitoid genesis)
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Abstract
The Center Pond pluton is a calc-alkaline post-tectonic Acadian body intruding chlorite grade Silurian metasediments of E-central Maine. Mapping and petrographic work reveal that the pluton contains 5 igneous rock types; quartz diorite, hornblende-biotite granodiorite, biotite granite, porphyritic granite, and aplitic granite. The linearity of major and trace element trends and Rb-Sr isotope systematics indicate that partial melting and unmixing of a single mafic or intermediate metaigneous rock to restite (residual phases in equilibrium with the melting event at depth) and near-eutectic minimum melt may account for much of the observed geochemical variation within the Center Pond pluton. Major and trace element trends rule out fractional crystallization as a model for Center Pond. -from Authors
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | The Center Pond pluton: The restite of the story (phase separation and melt evolution in granitoid genesis) |
| Series title | American Journal of Science |
| DOI | 10.2475/ajs.286.4.241 |
| Volume | 286 |
| Issue | 4 |
| Year Published | 1986 |
| Language | English |
| Publisher | Elsevier |
| Description | 40 p. |
| First page | 241 |
| Last page | 280 |
| Country | United States |
| State | Maine |
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