Micromorphology of sepiolite occurrences in recent lacustrine deposits affected by soil development
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
Deposits in dry lake basins of the Aminuis region, south-western Kalahari, Namibia, contain abundant sepiolite. Thin-section observations show that it occurs as part of the groundmass, for which an authigenic origin is implied by the lack of a source for detrital sepiolite. The deposits also contain common sepiolite coatings, which are nearly exclusively illuvial rather than the result of mineral authigenesis in pores. Other sepiolitic pedofeatures are: (i) carbonate depletion hypocoatings, locally disturbed by development of porostriation; (ii) surface crusts, formed by re-suspension and settling of fine material after flooding, occurring at sites where low salinity allows their preservation; and (iii) common fragments of coatings, produced by physical or biogenic disturbance, in deposits with an often strongly fragmented microstructure. This study illustrates the need to consider an illuvial or depletion-related nature of sepiolite and palygorskite occurrences along pores in soils, as an alternative for the possibility of clay neoformation.
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.
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) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| 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 it