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Record W1536360216 · doi:10.2110/pec.07.52.0001

A Conceptual Framework for the Application of Trace Fossils

2007· book-chapter· en· W1536360216 on OpenAlex

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.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueSEPM (Society for Sedimentary Geology) eBooks · 2007
Typebook-chapter
Languageen
FieldEarth and Planetary Sciences
TopicGeological formations and processes
Canadian institutionsAlberta EnergySimon Fraser UniversityUniversity of Alberta
Fundersnot available
KeywordsIchnologyTrace fossilGeologyPetrophysicsPaleontologyDiagenesisSedimentary rockClassification of discontinuitiesTRACE (psycholinguistics)Geotechnical engineering

Abstract

fetched live from OpenAlex

Abstract Trace fossils or ichnofossils are the fossilized tracks, excavations, and domiciles of animals. In general, these are taken to represent the vestiges of animal behavior. As such, trace fossils can be related to animal coping strategies in sedimentary environments. Those strategies can be associated with sedimentary / environmental conditions. Burrows are classified according to their overall morphologies. The morphology of trace fossils is evaluated using the following nomenclature: shafts, tunnels, tubes, lining, infill, meniscae, spreite, and trample. The shape and form of trace fossils is also considered. Behavioral classifications are inferred, and provide a higher level of organization for ichnofossils. Behavioral inferences form the basis for the definition of ichnofacies. Preservation of trace fossils depends on sedimentological and diagenetic factors. The fundamental physical parameters regarding ichnofossil preservation are the net sedimentation rate, the biogenic mixing rate, and the magnitude of physical reworking. Physical parameters relate to the presence or absence of textural contrast. Ichnofossil diagenesis comprises: (1) cementation of a finer-grained burrow wall [preferred tube cementation]; (2) cement precipitation or cement dissolution within a coarser-grained burrow fill [preferred burrow cementation]; (3) cement precipitation or dissolution adjacent to an ichnofossil [fabric-mimicking hypoburrow cementation]; and (4) concretion formation [nodular hypoburrow cementation]. This paper also documents the various animal responses to physical processes, referred to herein as “process ichnology”. Considered are ichnofossils associated with high or sporadically high sedimentation rates, the use of ichnofossils for their potential in revealing the cohesiveness of a substrate at the time of burrowing, trace fossils and burrow linings as sediment traps, and finally, trace fossils as penecontemporaneous strain indicators. Other general applications of ichnology, including ichnofacies, stratigraphic utility, and reservoir analysis, are considered. These reside in a well-established framework and thus serve as a brief summary of previously conducted research.

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 imitation

Not 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.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesInsufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Theoretical or conceptual · Consensus signal: none
GenreCandidate signal: Methods · Consensus signal: Methods
Teacher disagreement score0.736
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.001
Bibliometrics0.0000.000
Science and technology studies0.0000.001
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0010.000
Insufficient payload (model declined to judge)0.0010.000

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.

Opus teacher head0.035
GPT teacher head0.264
Teacher spread0.229 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it