An integrated analysis of controlled and passive source seismic data across an Archean‐Proterozoic suture zone in the Rocky Mountains
Bibliographic record
Abstract
We conducted a new integrated analysis of the controlled and passive source seismic data from the Continental Dynamics of the Rocky Mountains (CD‐ROM) experiment in the western United States. A specific goal of our study was to establish a stronger tie between the CD‐ROM and Deep Probe experiments that together form a transect that extends almost 3000 km from northern New Mexico to the southern Northwest Territories of Canada. We created a new P wave velocity and interface model from the controlled source seismic (CSS) data on the basis of an advanced picking strategy that produced substantially more arrivals whose traveltimes could be picked. In addition, we were able to identify a substantial set of S wave arrivals and to establish an independent S wave model, which allowed us to estimate the Vp/Vs and Poisson's ratios in the crust. An integrated analysis of the CSS data with recently generated receiver function results and gravity data allowed us to construct a well‐constrained multiparameter structural model. This model resolves the structural framework of the crust and uppermost mantle of the transition from the Wyoming craton to the north, across the Cheyenne belt suture zone, and into the Proterozoic terranes to the south. Our tectonic interpretation that crustal‐scale crocodile structures are present provides an explanation for the south dip of the Cheyenne belt in the upper crust and the north dipping slab in the mantle revealed by earlier tomographic results. The very distinct crustal structures north and south of the suture zone are clearly shown in our model and document that the blocks that collided at ∼1.8 Ga to form the Cheyenne belt suture zone have retained their basic crustal and uppermost mantle structure since then.
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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 | 0.003 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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; a candidate call from one teacher head, not a consensus.
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".