{ "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-07T11:06:15Z", "providers": [ "Codex", "Grok" ], "missingProviders": [], "pass": 2, "cost": { "grok": { "usd": 0.0108885, "turns": 1, "seconds": 127.6, "error": null }, "codex": { "seconds": 87.0, "error": "Reading additional input from stdin...\nOpenAI Codex v0.153.3\n--------\nworkdir: R:\\02_PROJECTS\\02_Meta_Models_Platforms\\Ver.cy\\current\\thing-registry-backlog\nmodel: gpt-6-astra\nprovider: openai\napproval: never\nsandbox: read-only\nreasoning effort: none\nreasoning summaries: none\nsession id: 01a07b89-aaa7-7651-9b32-551f25e723a0\n--------\nuser\nYou are drafting a Vercy meta-model for one registered thing. Answer as JSON only, no prose around it.\n\nThing: lithosphere\nRegistry id: vr.tr.lithosphere\nPlane / domain: PHY / PHY.OBJ\nRegistry definition: (none recorded)\nNames folded into this entry: (none)\n\nA" } }, "enrichment": { "pass": 3, "engine": "claude", "producedAt": "2026-10-06T12:00:00Z", "ingestedAt": "2026-10-06T08:41:42+00:00", "fields": [ "agent_conduct", "ethics", "owners" ] }, "revisions": [ { "at": "2026-10-07T11:40:26+00:00", "engine": "codex", "fields": [ "definition" ], "answering_review": "089d117ad846d50d71ae7cae1c3e3b420f617d826f1a2adea45e717f7daf722b" } ], "gate": { "passed": true, "version": "1.0", "at": "2026-10-07T12:16:34+00:00", "evidence": [ "completeness 1.00", "sense: Wikidata description", "2 live sources", "review by codex: pass" ] } }, "metaModel": { "id": "THING-Q83296", "registryId": "vr.tr.lithosphere", "name": "lithosphere", "version": "0.1.0-research.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "PHY.OBJ" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q83296/", "model": { "registry_id": "vr.tr.lithosphere", "name": "lithosphere", "purpose": "Enable an AI agent to identify a lithospheric domain, assess its thermal and mechanical state, and judge which observations, interpretations and proposed interventions its evidence supports.", "definition": "The lithosphere is the mechanically strong outer shell of a rocky planet, on Earth comprising the crust plus the mechanically strong uppermost mantle above the weaker asthenosphere, with deformation that may be elastic, brittle or ductile depending on conditions and timescale and a basal boundary interpreted through thermal and rheological properties.", "scope_statement": "This model owns the lithosphere as a mechanically defined outer planetary shell and its geographically bounded domains, including crust-mantle coupling, basal boundary interpretations, strength, thermal structure and evolution; Earth is the default host unless another body is explicitly identified.", "in_scope": [ "Identification of the host body, regional footprint, depth extent and geological time represented", "Continental, oceanic and transitional lithospheric domains and their internal crust-mantle organization", "Competing estimates of the lithosphere-asthenosphere boundary and lithospheric thickness", "Thermal structure, mechanical strength, deformation and load-bearing response", "Formation, cooling, modification and removal of lithospheric material", "Evidence limits governing regional interpretation, monitoring and intervention screening" ], "out_of_scope": [ "Individual rock, mineral and soil descriptions beyond their contribution to bulk lithospheric properties", "Complete tectonic plate identities, boundary networks and global plate-motion reconstructions", "Deep mantle circulation and core dynamics beyond their interaction with the lithosphere", "Individual earthquake, fault rupture and volcanic eruption event models", "Resource deposit inventories, extraction plans and project permitting", "Atmosphere, ocean and ecosystem dynamics beyond loads or exchanges imposed on the lithosphere" ], "distinguishing_features": [ "Check whether the represented shell includes crust and mechanically associated uppermost mantle; a crust-only volume is not the full lithosphere. [USGS: Inside the Earth](https://pubs.usgs.gov/gip/dynamic/inside.html)", "Check whether its lower boundary concerns mechanical or thermal behavior rather than merely the compositional crust-mantle boundary; the Moho and lithospheric base must be recorded separately.", "Check the timescale of inferred strength relative to underlying mantle: being solid alone does not distinguish lithosphere from asthenosphere. [USGS: Are tectonic plates floating on magma?](https://www.usgs.gov/faqs/are-tectonic-plates-floating-magma)", "Check whether the entity is a shell or material domain, or instead a tectonic plate defined by coherent motion; one plate can include continental and oceanic lithosphere. [USGS: What is a tectonic plate?](https://pubs.usgs.gov/gip/dynamic/tectonic.html)", "Check whether a reported thickness is basal-boundary depth, thermal thickness or effective elastic thickness before treating estimates as equivalent. [The Nature of the Lithosphere-Asthenosphere Boundary](https://marineemlab.ucsd.edu/steve/bio/LAB.pdf)" ], "characteristics": [ { "name": "Host body and represented domain", "kind": "relation", "unit_or_values": "Host-body identifier; geographic footprint; coordinate reference system; geological epoch", "why_it_matters": "Prevents observations from different regions, bodies or times being treated as one physical instance." }, { "name": "Lithospheric domain type", "kind": "category", "unit_or_values": "Continental; oceanic; transitional; mixed at stated resolution; unresolved", "why_it_matters": "Conditions which structural and evolutionary assumptions are reasonable." }, { "name": "Lithospheric thickness", "kind": "measurement", "unit_or_values": "km, with top surface, basal criterion, depth datum, method and uncertainty", "why_it_matters": "Defines the modeled volume without implying that different boundary criteria produce identical estimates." }, { "name": "Crustal thickness", "kind": "measurement", "unit_or_values": "km, with Moho interpretation and uncertainty", "why_it_matters": "Separates crustal contributions from those of the mantle portion of the lithosphere." }, { "name": "Thermal structure", "kind": "measurement", "unit_or_values": "Temperature in °C versus depth in km; surface heat flow in mW/m²; model assumptions", "why_it_matters": "Constrains thermal weakening, cooling history and interpretation of the basal boundary." }, { "name": "Effective elastic thickness", "kind": "measurement", "unit_or_values": "km, with load age, wavelength, inversion method and uncertainty", "why_it_matters": "Supports assessment of flexural behavior while remaining distinct from total lithospheric thickness." }, { "name": "Strength and rheological profile", "kind": "measurement", "unit_or_values": "Strength in MPa or viscosity in Pa·s versus depth, with temperature, strain rate and constitutive assumptions", "why_it_matters": "Determines whether inferred rigidity or deformation behavior applies to the proposed timescale." }, { "name": "Deformation state", "kind": "state", "unit_or_values": "Extension; shortening; shear; mixed; unresolved, with strain-rate evidence where available", "why_it_matters": "Distinguishes observed deformation from an unsupported assumption of uniform plate rigidity." }, { "name": "Thermal and tectonic ages", "kind": "measurement", "unit_or_values": "Ma, separately identifying crust formation, mantle stabilization, cooling and later modification", "why_it_matters": "Avoids assigning one age to components and processes with different histories." }, { "name": "Plate and neighboring-domain membership", "kind": "relation", "unit_or_values": "Linked plate, adjacent lithospheric domain and underlying mantle interpretations, with time validity", "why_it_matters": "Connects regional state to tectonic context without duplicating neighboring models." } ], "affordances": [ "Delineate a lithospheric domain and compare alternative interpretations of its base.", "Combine seismic, thermal, gravity, electrical and geological constraints while preserving incompatible interpretations.", "Estimate thermal evolution, strength or flexure under explicitly stated scenarios and uncertainty.", "Identify observations that would distinguish competing explanations of thinning, thickening or weakening.", "Track evidence for lithosphere formation, modification, subduction or detachment through time.", "Screen whether regional lithospheric evidence can inform a proposed drilling, geothermal or loading assessment and identify the additional local models required." ], "agent_conduct": { "may": [ "Explain the lithosphere and plate tectonics from geological sources.", "Report earthquake and volcanic hazard data from official monitoring bodies." ], "must_not": [ "Present earthquake predictions as reliable when science cannot support them.", "Spread false alarms about earthquakes or eruptions.", "Understate known hazards to promote construction or tourism." ], "requires_human": [ "Issuing public warnings or evacuation advice." ] }, "ethics": { "considerations": [ "Hazard information saves lives only if it is accurate and fairly communicated.", "Poor communities often bear the greatest risk from geological hazards." ], "affected_parties": [ "People in seismic regions", "Emergency planners", "Students" ] }, "owners": { "steward": "Nobody owns it; geological surveys monitor and map it.", "master_systems": [ "Geological survey databases", "Seismic monitoring networks" ] }, "what_it_is_for": [ "The lithosphere is used in geology and planetary science to describe the mechanically strong outer shell of a rocky body.", "On Earth, it provides a framework for studying tectonic plates, mountain building, basin development and long-term deformation.", "Its thickness and mechanical state inform interpretations of seismic observations, heat flow and geological hazards." ], "failure_modes_and_hazards": [ "Brittle failure within the lithosphere can generate earthquakes that injure people and damage infrastructure.", "Tectonic deformation can displace the ground and damage structures, pipelines and transport routes.", "Treating an inferred lithospheric boundary as an exact measured surface can produce misleading geological models and risk assessments." ], "facets_not_applicable": { "interfaces": "No generally applicable standard or regulation governs the lithosphere itself because requirements attach to particular surveys, engineering activities or resource uses.", "recognition": "The lithosphere is defined by mechanical behaviour and cannot be distinguished from the underlying asthenosphere by visual inspection alone." } }, "sources": [ { "id": "turcotte-schubert-geodynamics", "title": "Geodynamics - Cambridge University Press (Turcotte, D.L. & Schubert, G.)", "url": "", "what_it_supports": "Mechanical and thermal definition of the lithosphere, plate flexure, cooling of oceanic lithosphere, and typical thickness and elastic-thickness scales." }, { "id": "fowler-solid-earth", "title": "The Solid Earth: An Introduction to Global Geophysics - Cambridge University Press (Fowler, C.M.R.)", "url": "", "what_it_supports": "Seismic versus thermal lithosphere, the lithosphere-asthenosphere boundary, oceanic versus continental structure, and plate-tectonic context." }, { "id": "watts-flexure", "title": "Isostasy and Flexure of the Lithosphere - Cambridge University Press (Watts, A.B.)", "url": "", "what_it_supports": "The elastic (flexural) lithosphere as a distinct operational definition, and effective elastic thickness as a measured quantity." }, { "id": "britannica-lithosphere", "title": "Lithosphere - Encyclopædia Britannica, Inc.", "url": "https://www.britannica.com/science/lithosphere", "what_it_supports": "Standard geoscience definition of the lithosphere as crust plus rigid uppermost mantle, contrasted with the asthenosphere.", "url_status": "blocked" }, { "id": "wikidata", "title": "Wikidata item Q83296: lithosphere", "url": "https://www.wikidata.org/wiki/Q83296", "url_status": "live", "what_it_supports": "identity and sense of the item", "checked_by": "wikidata-api" }, { "id": "wikipedia-en", "title": "Wikipedia: Lithosphere", "url": "https://en.wikipedia.org/wiki/Lithosphere", "url_status": "live", "what_it_supports": "general description of the item", "checked_by": "wikidata-api sitelink" } ], "structure": { "bundles": [ { "id": "lithospheric-identity-and-extent", "name": "Lithospheric identity and extent", "description": "Establish which shell or regional domain is represented and how its boundaries are interpreted.", "rationale": "An agent cannot compare states until it knows whether records describe the same lithospheric volume and boundary convention.", "layers": [ { "id": "host-and-regional-footprint", "name": "Host and regional footprint", "description": "Identify the body, spatial support and temporal identity of the domain.", "findings": [ { "id": "domain-identity", "name": "Domain identity", "description": "Record a bounded lithospheric domain rather than an unspecified reference to the ground or crust.", "questions": [ { "text": "Which host body, geographic footprint and geological epoch does this lithosphere record represent?", "kind": "definition", "id": "domain-identity-q01" }, { "text": "Does the footprint follow a material domain, a moving plate region or a fixed observation window?", "kind": "boundary", "id": "domain-identity-q02" } ] } ] }, { "id": "vertical-boundary-conventions", "name": "Vertical boundary conventions", "description": "Separate the upper surface, Moho and alternative basal boundaries.", "findings": [ { "id": "basal-boundary-interpretation", "name": "Basal boundary interpretation", "description": "Preserve method-dependent basal estimates rather than selecting an unexplained universal depth.", "questions": [ { "text": "Which thermal, mechanical or geophysical criterion defines the base, and is it a surface or a transition interval?", "kind": "definition", "id": "basal-boundary-interpretation-q01" }, { "text": "What upper surface, depth datum and uncertainty accompany the thickness estimate?", "kind": "measurement", "id": "basal-boundary-interpretation-q02" }, { "text": "Which observations support each competing basal interpretation?", "kind": "provenance", "id": "basal-boundary-interpretation-q03" } ] } ] } ] }, { "id": "crust-mantle-architecture", "name": "Crust-mantle architecture", "description": "Describe the lithosphere's constituent domains and their mechanical relationships.", "rationale": "Bulk labels conceal contrasts that control buoyancy, strength and regional response.", "layers": [ { "id": "domain-composition", "name": "Domain composition", "description": "Distinguish oceanic, continental and transitional architecture at the supported resolution.", "findings": [ { "id": "component-partition", "name": "Component partition", "description": "Record crustal and lithospheric mantle contributions without expanding into a complete rock catalogue.", "questions": [ { "text": "What evidence classifies the domain as continental, oceanic, transitional or spatially mixed?", "kind": "definition", "id": "component-partition-q01" }, { "text": "How are crustal thickness, mantle-root geometry and bulk density constrained?", "kind": "measurement", "id": "component-partition-q02" } ] } ] }, { "id": "internal-coupling", "name": "Internal coupling", "description": "Represent connections and discontinuities that affect deformation across the lithospheric column.", "findings": [ { "id": "coupled-and-weak-zones", "name": "Coupled and weak zones", "description": "Identify where crust and mantle are inferred to transmit stress together or deform differently.", "questions": [ { "text": "Which observations support mechanical coupling or decoupling between crust and mantle at the relevant timescale?", "kind": "provenance", "id": "coupled-and-weak-zones-q01" }, { "text": "Which inherited sutures, weak layers or lateral transitions require separate regional treatment?", "kind": "boundary", "id": "coupled-and-weak-zones-q02" } ] } ] } ] }, { "id": "thermal-and-mechanical-state", "name": "Thermal and mechanical state", "description": "Capture the conditions that determine strength, deformation and response to loads.", "rationale": "Calling the lithosphere rigid is insufficient for deciding how it behaves under a particular process or timescale.", "layers": [ { "id": "thermal-constraints", "name": "Thermal constraints", "description": "Connect temperature estimates to observations and thermal-model assumptions.", "findings": [ { "id": "geotherm-and-heat-budget", "name": "Geotherm and heat budget", "description": "Record plausible temperature profiles and the assumptions that control them.", "questions": [ { "text": "Which heat-flow measurements or other thermal constraints support the inferred geotherm?", "kind": "provenance", "id": "geotherm-and-heat-budget-q01" }, { "text": "How sensitive is inferred thermal thickness to conductivity, heat production and basal thermal conditions?", "kind": "measurement", "id": "geotherm-and-heat-budget-q02" } ] } ] }, { "id": "strength-and-load-response", "name": "Strength and load response", "description": "Separate rheological strength, active deformation and effective elastic behavior.", "findings": [ { "id": "timescale-dependent-response", "name": "Timescale-dependent response", "description": "Attach each strength or flexure interpretation to its loading and deformation conditions.", "questions": [ { "text": "What strain rate, temperature profile, fluid assumptions and constitutive law underlie the strength estimate?", "kind": "measurement", "id": "timescale-dependent-response-q01" }, { "text": "Which load age and wavelength constrain effective elastic thickness, and how is it distinguished from basal-boundary depth?", "kind": "measurement", "id": "timescale-dependent-response-q02" }, { "text": "For which proposed loads or deformation scenarios is the inferred response applicable?", "kind": "action", "id": "timescale-dependent-response-q03" } ] } ] } ] }, { "id": "lithospheric-evolution-and-exchange", "name": "Lithospheric evolution and exchange", "description": "Represent how a domain formed, changed and exchanged material with its surroundings.", "rationale": "Present thickness and strength require a history that separates component ages from later thermal and tectonic changes.", "layers": [ { "id": "formation-and-modification", "name": "Formation and modification", "description": "Distinguish initial assembly and cooling from subsequent reworking.", "findings": [ { "id": "component-histories", "name": "Component histories", "description": "Maintain separate histories for crust, mantle lithosphere and thermal state.", "questions": [ { "text": "Which dates constrain crust formation, mantle stabilization and subsequent thermal modification separately?", "kind": "provenance", "id": "component-histories-q01" }, { "text": "What evidence distinguishes cooling-related change from stretching, shortening or magmatic modification?", "kind": "measurement", "id": "component-histories-q02" } ] } ] }, { "id": "material-transfer-and-loss", "name": "Material transfer and loss", "description": "Track inferred addition, displacement and removal without assuming a single evolution mechanism.", "findings": [ { "id": "domain-continuity-through-change", "name": "Domain continuity through change", "description": "Record how subduction, detachment or replacement affects the identity of the represented domain.", "questions": [ { "text": "Which observations support material addition, subduction, detachment or replacement, and which alternative explanations remain?", "kind": "provenance", "id": "domain-continuity-through-change-q01" }, { "text": "When material leaves the surface shell, does this record continue to track it or hand it to a linked slab or mantle-domain model?", "kind": "boundary", "id": "domain-continuity-through-change-q02" } ] } ] } ] }, { "id": "geophysical-evidence-and-use", "name": "Geophysical evidence and use", "description": "Connect lithospheric interpretations to observational resolution and defensible decisions.", "rationale": "Most deep properties are inferred, so agents must preserve non-uniqueness and avoid applying regional interpretations at unsupported local scales.", "layers": [ { "id": "joint-interpretation", "name": "Joint interpretation", "description": "Evaluate how independent observations constrain or contradict the proposed structure.", "findings": [ { "id": "resolution-and-nonuniqueness", "name": "Resolution and non-uniqueness", "description": "Distinguish measured signals from inferred temperature, composition, melt or strength.", "questions": [ { "text": "Which seismic, gravity, electrical, thermal or sample observations were actually used, and with what spatial and depth resolution?", "kind": "provenance", "id": "resolution-and-nonuniqueness-q01" }, { "text": "Which inferred anomalies admit competing thermal, compositional, fluid or melt explanations?", "kind": "measurement", "id": "resolution-and-nonuniqueness-q02" }, { "text": "Do disagreements between thickness estimates reflect different boundary definitions or incompatible evidence?", "kind": "boundary", "id": "resolution-and-nonuniqueness-q03" } ] } ] }, { "id": "decision-and-observation-support", "name": "Decision and observation support", "description": "Identify supported uses and the additional evidence needed for a specific action.", "findings": [ { "id": "permitted-inferences", "name": "Permitted inferences", "description": "Relate model resolution and uncertainty to observation planning, scenario analysis and project screening.", "questions": [ { "text": "Which additional survey would best distinguish the remaining basal-boundary or strength interpretations?", "kind": "action", "id": "permitted-inferences-q01" }, { "text": "Can the domain model support the proposed drilling, geothermal or loading assessment at its required depth, scale and timescale?", "kind": "action", "id": "permitted-inferences-q02" }, { "text": "Which local fault, groundwater, rock-mechanics or hazard models must be consulted before turning regional interpretation into an intervention decision?", "kind": "boundary", "id": "permitted-inferences-q03" } ] } ] } ] }, { "id": "evidence-and-external-alignment", "name": "Evidence and external alignment", "description": "What the world already says about this thing, gathered so the model can be checked against it.", "rationale": "A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.", "layers": [ { "id": "reported-evidence", "name": "Reported evidence", "description": "Findings from the breadth pass, kept separate from the structural claims.", "findings": [ { "id": "evidence-kinds", "name": "Kinds and varieties", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Oceanic lithosphere", "Continental lithosphere", "Cratonic lithosphere (mantle keel)", "Thermal lithosphere", "Mechanical or rheological lithosphere", "Elastic or flexural lithosphere", "Seismic lithosphere (high-velocity lid)", "Chemical or compositional lithosphere" ], "questions": [ { "id": "evidence-kinds-q01", "text": "Which of these kinds and varieties hold for the sense of lithosphere this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-identifiers", "name": "Identifiers and schemes", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "scheme": "Wikidata", "value_or_pattern": "item labelled lithosphere (planetary layer; commonly Q83296)", "note": "Q-id not re-checked in this pass; treat the label, not the number, as the lookup key." }, { "scheme": "NASA GCMD / KMS Earth Science Keywords", "value_or_pattern": "Earth Science > Solid Earth > … > Lithosphere", "note": "Keyword used in Earth-observation metadata, not a unique instance code." }, { "scheme": "SWEET ontology", "value_or_pattern": "realm class Lithosphere", "note": "Semantic web class for the Earth-system sphere, not a specimen identifier." } ], "questions": [ { "id": "evidence-identifiers-q01", "text": "Which of these identifiers and schemes hold for the sense of lithosphere this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-standards-and-regulation", "name": "Standards and regulation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "International Lithosphere Program - joint IUGG and IUGS research programme on lithosphere structure and dynamics, not a product code.", "INSPIRE Data Specification on Geology - European Commission (JRC), for encoding geologic units and structures in European spatial data infrastructure.", "GeoSciML - Commission for the Management and Application of Geoscience Information (CGI-IUGS) with OGC, for exchanging geologic-unit and Earth-material descriptions.", "Preliminary Reference Earth Model (PREM) - de facto radial seismic reference of Dziewonski & Anderson (Physics of the Earth and Planetary Interiors, Elsevier), used to place lithospheric lid velocities, not a legal standard." ], "questions": [ { "id": "evidence-standards-and-regulation-q01", "text": "Which of these standards and regulation hold for the sense of lithosphere this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-real-world-use", "name": "Real-world use", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Plate-boundary and intraplate earthquake hazard models treat the lithosphere as the brittle load-bearing layer in which faults lock and fail.", "Basin modelling for petroleum and geothermal systems uses lithospheric stretching, cooling, and heat flow to reconstruct burial temperature and maturation.", "Diamond and craton exploration uses thick, depleted continental lithospheric mantle as the host environment for diamond-stable keels.", "Satellite gravity, seamount loading, and foreland-basin stratigraphy are inverted for effective elastic thickness of the lithosphere.", "Planetary geology compares lithospheric thickness and flexure on the Moon, Mars, and Venus with Earth's oceanic and continental end-members." ], "questions": [ { "id": "evidence-real-world-use-q01", "text": "Which of these real-world use hold for the sense of lithosphere this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-measurements", "name": "Typical measurements", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "quantity": "Thermal or seismic thickness (oceanic)", "typical_range": "near 0 at a mid-ocean ridge, about 40-100 at old ocean floor", "unit": "km" }, { "quantity": "Thermal or seismic thickness (continental, including cratons)", "typical_range": "about 80-250 typical continents; cratonic keels often 150-350", "unit": "km" }, { "quantity": "Effective elastic thickness Te", "typical_range": "oceans about 2-40; continents about 5-110, higher under some cratons", "unit": "km" }, { "quantity": "Temperature at the lithosphere-asthenosphere boundary", "typical_range": "about 1250-1350", "unit": "°C" }, { "quantity": "Surface heat flow", "typical_range": "continents about 40-90 (cratons often 30-50); oceans strongly age-dependent, roughly 50-300+", "unit": "mW/m²" }, { "quantity": "Lithospheric-mantle density", "typical_range": "about 3300-3400", "unit": "kg/m³" } ], "questions": [ { "id": "evidence-measurements-q01", "text": "Which of these typical measurements hold for the sense of lithosphere this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-failure-modes-and-hazards", "name": "Failure modes and hazards", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Brittle failure of the upper lithosphere produces tectonic earthquakes, including great subduction-interface events in oceanic lithosphere.", "Oceanic lithosphere is recycled at trenches; old, dense slabs can steepen, tear, or break off, reorganising stress and volcanism.", "Continental lithosphere can thin to rupture in rifts, or thicken and then drip or delaminate, causing rapid uplift, magmatism, and basin reorganisation.", "Thermal erosion by mantle plumes or small-scale convection can thin the lithosphere and focus volcanism and dynamic topography.", "Flexural failure under ice sheets, seamounts, or orogenic loads warps the surface and can reactivate faults." ], "questions": [ { "id": "evidence-failure-modes-and-hazards-q01", "text": "Which of these failure modes and hazards hold for the sense of lithosphere this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-regional-variation", "name": "Regional variation", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ "Seismologists often speak of a high-velocity lid where tectonophysicists speak of mechanical lithosphere; the two depths need not coincide.", "Cratonic Africa, Canada, and Western Australia are described with thick, cold keels; Phanerozoic western Europe and the Basin and Range are treated as thin, warm lithosphere.", "Russian and some European literature historically separated thermal, mechanical, and chemical lithosphere more explicitly than many English textbooks.", "Oceanic plates of the Pacific are typically older and thicker at subduction than young back-arc or Red Sea lithosphere, which is still thermally immature." ], "questions": [ { "id": "evidence-regional-variation-q01", "text": "Which of these regional variation hold for the sense of lithosphere this model covers, and on what evidence?", "kind": "provenance" } ] }, { "id": "evidence-neighbours", "name": "Neighbouring kinds and how to tell them apart", "description": "Reported by the breadth pass; each item needs checking against its source before it becomes normative.", "evidence": [ { "name": "Crust", "difference": "The crust is a compositional layer bounded by the Moho; the lithosphere is a mechanical layer that includes crust plus rigid mantle and is bounded by the lithosphere-asthenosphere boundary." }, { "name": "Asthenosphere", "difference": "The asthenosphere is the weaker, convecting or low-viscosity mantle beneath the lithosphere, often a seismic low-velocity zone; the lithosphere is the strong lid above it." }, { "name": "Tectosphere", "difference": "Jordan's tectosphere is the long-lived, chemically depleted continental root; it may be thicker and defined compositionally, whereas lithosphere is primarily a mechanical or thermal definition." }, { "name": "Tectonic plate", "difference": "A plate is a kinematic fragment of lithosphere bounded by plate margins; lithosphere is the material layer, which may include several plates or internally deforming continental regions." }, { "name": "Pedosphere", "difference": "The pedosphere is the soil layer in Earth-system sphere lists; it occupies only the uppermost metres of continental crust, not the rigid plate-scale shell." }, { "name": "Mantle mesosphere (older usage)", "difference": "In some older mantle literature the mesosphere is the strong mantle below the asthenosphere; it is not the lithosphere and is unrelated to the atmospheric mesosphere." } ], "questions": [ { "id": "evidence-neighbours-q01", "text": "Which of these neighbouring kinds and how to tell them apart hold for the sense of lithosphere this model covers, and on what evidence?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Does the registry intend lithosphere to cover other rocky bodies, or should this entry remain Earth-specific?", "Which basal-boundary conventions should be accepted, and how should incompatible thermal, mechanical and seismic estimates coexist?", "What evidence and resolution are sufficient to distinguish lithospheric thinning from changes in composition, hydration or temperature?", "When should subducted or detached material cease to be part of a lithosphere instance and become a linked slab or mantle-domain instance?", "Does an existing Vercy world model already own this concept, requiring this registry entry to link to that model?" ], "statistics": { "bundles": 6, "layers": 11, "findings": 18, "questions": 32 } }