Geoarchaeological Investigations and OSL Dating Evidence in an Archaic and Paleoindian Context at the Helen Blazes Site (8BR27), Brevard County, Florida
Bibliographic record
Abstract
The excavation of the Helen Blazes site (8BR27) between 1949 and 1951 by William Edwards was remarkable for its time, but the assemblage of Archaic and Paleoindian artifacts yielded no materials that could be scientifically dated. This article reports on new excavations at Helen Blazes that were designed to incorporate optically stimulated luminescence (OSL) dating of quartz sand grains and sedimentological studies of the sediment aimed at a better understanding of the depositional context. The new excavations yielded lithic materials with typologies consistent with those found by Edwards (1954). Samples for sedimentological study were analyzed to better understand the depositional context of cultural materials by means of geoarchaeological analysis of site deposits. The OSL ages ranging from about 5,400 to 12,000 years before present are in line with expectation for Archaic to Paleoindian period contexts. However, the sedimentological and geoarchaeological interpretation together with the fine detail of the OSL results suggest that the cultural material at the site was buried by bioturbation and internal reorganization of the deposits rather than normal geological sedimentation following occupation.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.003 | 0.002 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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 source (direct Gemma or distilled Codex), 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".