Atlantic Universities Geoscience Conference 2016: 66<SUP>th</SUP> Annual Conference, October 27-29, 2016
Bibliographic record
Abstract
The New Quebec orogen is a Paleoproterozoic mountain belt located in the eastern part of the Canadian Shield known as the Southeastern Churchill Province.It was formed through primarily transpressional collision between the Archean Core Zone and Superior craton which occurred between 1.82 and 1.80 Ga.The New Quebec orogen is made up of a collage of autochthonous rocks deposited adjacent to the Archean Superior craton (the Kaniapiskau Supergroup) and by allochthonous metavolcanic and metasedimentary assemblages accreted to the cratonic margin (the Rachel-LaPorte zone).The Core Zone is divided into the Gabriel terrane and the Leaf Bay terrane.The metamorphic grade is typically greenschist facies in the Kaniapiskau Supergroup, to upper greenschist and lower amphibolite facies in the Rachel-Laporte zone, increasing to upper amphibolite and granulite facies in the Gabriel and Leaf Bay terranes.This project will examine rocks of the Gabriel and Leaf Bay terranes using thin section petrography and thermobarometric modelling to better integrate metamorphic data with new geochronology and structural mapping done in the area.This study will use Theriak-Domino, a program for the calculation and plotting of equilibrium mineral assemblages in conjunction with petrographic interpretations.Preliminary work has allowed for the interpretation of pressure and temperature condition in two important rock units; a retrogressed granulite in the northern Leaf Bay terrane, and a garnet muscovite schist from the Gabriel terrane.The pseudosections and mineral assemblages of garnet, orthopyroxene, and amphibole suggest that the retrogressed granulite experienced peak metamorphic conditions of 600°C-800°C and 0.5-1.0GPa.Pseudosections and mineral assemblages of garnet, biotite, muscovite and apatite suggest that the garnet schist experienced peak metamorphic conditions of at least 310°C and 0.3 GPa.Future work will focus on expanding the suite of samples examined and on integrating the results with known geochronology and structural data.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.016 | 0.007 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; both teacher heads agree on what is shown here.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".