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sand

vr.tr.sand · thing-q34679

Let an agent explain sand, relay classification, types, formation, uses, extraction impacts and health hazards from geology, UNEP and occupational health sources with debates attributed, describe the named types and flag unverified aliases, and distinguish sand from silt, gravel, soil and quicksand as a condition.

Thing Registry Physical world and living systems PHY.OBJ

Bundle → Layer → Finding → Questions Filled

4 bundles · 8 layers · 8 findings · 16 questions

Understand What sand is.

Definition

Definition.

Definition

Definition.

  1. Is someone trapped in collapsed sand or a deep beach hole, in which case call emergency services and do not dig in a way that causes further collapse? boundary
  2. What is sand, and how does it differ from silt, gravel, soil and quicksand? definition

Types

Named types.

Types

Types.

  1. What are quartz, monazite, flying and oil sands, and what might Grovmo and Aqu-aqu refer to? definition
  2. Which entry fits the specific type? action
Geology Geology.

Formation

Formation.

Formation

Formation.

  1. How does weathering produce sand, and why is quartz so common? provenance
  2. Which references are standard? provenance

Dunes

Wind-blown sand.

Dunes

Dunes.

  1. How does wind move sand to form dunes? provenance
  2. Which sources are cited? provenance
Resources Use and extraction.

Extraction

Sand extraction.

Extraction

Extraction.

  1. What does UNEP report about sand extraction impacts on rivers and coasts, with figures attributed? provenance
  2. Is the information current? boundary

Uses

Uses.

Uses

Uses.

  1. Why is desert sand often unsuitable for concrete? provenance
  2. Which entry fits construction aggregate? action
Context Health and energy.

Silica

Silica dust.

Silica

Silica.

  1. How do exposure limits protect workers from crystalline silica? provenance
  2. Which entry fits silicosis? action

Oil sands

Oil sands debate.

Oil sands

Oil sands.

  1. What do industry, governments and environmental groups argue about oil sands, with positions attributed? provenance
  2. Is the presentation neutral and attributed? boundary

Classifiers Filled

Family
Thing Registry
Category
Physical world and living systems
Entry kind
thing
Plane
PHY
Domain
PHY.OBJ
Other names and narrower kinds
oil sands, Grovmo, monazite sands, quartz sand, flying sand, Aqu-aqu, Rinazzu, ironsand, volcanic sand, white sand, cover sand, hydrophobic sand

What it is Filled

A granular material of rock and mineral particles between about 0.0625 and 2 millimetres in diameter, most commonly quartz sand from weathered silicate rocks, with other types such as coral and shell sands, black volcanic sands and heavy mineral monazite sands rich in thorium and rare earths, and flying or blowing sand moved by wind; oil sands are sand and clay deposits containing bitumen, as in Alberta. Sand is one of the most extracted materials on Earth for concrete, glass and land reclamation, and UNEP has warned of unsustainable sand extraction. Crystalline silica dust from cutting sand-based materials can cause silicosis, and the registry aliases Grovmo and Aqu-aqu could not be verified.

Why it exists Filled

Let an agent explain sand, relay classification, types, formation, uses, extraction impacts and health hazards from geology, UNEP and occupational health sources with debates attributed, describe the named types and flag unverified aliases, and distinguish sand from silt, gravel, soil and quicksand as a condition.

Distinguishing features Filled

  • Grain size definition
  • Quartz dominance
  • Heavy global extraction
  • Silica dust hazard

What robots and AI may and may not do Filled

Must not

  • Assist in illegal sand mining or trade in unlicensed sand.
  • Dig or allow deep holes in sand where they can collapse on people.
  • Ignore silica dust controls where sand is cut, blasted or ground.
  • Handle radioactive mineral sands without radiation safety authorisation.

Only with a human decision

  • Approving extraction of sand from beaches, rivers or seabeds.

May

  • Describe types of sand, their grain sizes and origins.
  • Warn about collapse of deep holes in beach sand and dust from cutting sand-bearing materials.

Moral aspects Filled

  • Sand extraction destroys rivers and coasts and is linked to organised crime.
  • Silica dust causes lung disease in workers.

Who is affected

  • Coastal and river communities
  • Workers
  • Ecosystems

Owners Filled

Steward

The landholder or the state for public beaches and riverbeds, under mining and environmental authorities.

Master systems

  • Mining licence registers

Links to other meta-models Filled

parent

  • Q1155083 - registry parent class
  • Q12372934 - registry parent class
  • Q2259909 - registry parent class
  • Q3300024 - registry parent class

related

  • clastic sediment - in registry terms
  • concrete
  • silicosis - as crystalline silica dust
  • silt

What else AI and robots need to interact with it Filled

Identity and identifiers required Filled

  • Vercy registry: vr.tr.sand
  • Wikidata: Q34679 (https://www.wikidata.org/wiki/Q34679)

Direct properties required Filled

  • grain size: 0.0625-2 mm - Wentworth scale
  • global sand and gravel use: about 50 billion tonnes a year note - UNEP estimate, check current
  • main mineral: quartz note

Recognition required Filled

  • Granular sediment of 0.0625-2 mm particles
  • Oil sands, Grovmo, monazite sands, quartz sand, flying sand, Aqu-aqu
  • Silt is finer; gravel is coarser; soil contains organic matter; quicksand is saturated sand that loses strength
  • Loose grains in colours from white and golden to black, pink or green, forming beaches, dunes and riverbeds.

Capabilities and actions required Filled

  • explain grain size and types
  • relay uses and extraction impacts
  • describe named types
  • relay silica dust hazards

Hazards and failure modes required Filled

  • Silicosis from dust
  • Illegal sand mining damage
  • Beach sand hole collapses

Standards and interfaces required Filled

  • Occupational exposure limits for respirable crystalline silica
  • Sand mining permits and river protection laws
  • Radiation rules for monazite handling

Context of use required Filled

  • Construction, glassmaking, industry and landscapes.
  • quartz sand
  • carbonate sands
  • volcanic sands
  • heavy mineral sands
  • aeolian or flying sand
  • oil sands

Sources Filled

  1. Wikidata item Q34679: sand - identity and sense of the item
  2. Wikipedia: Sand - general description of the item

Open questions

  • The registry aliases Grovmo and Aqu-aqu could not be verified and should be reviewed
  • Should oil sands be moved to petroleum entries?
  • How should UNEP sand reports be linked?

Machine files

Provenance

thing registry research (pass 2) · unreviewed

Built from: models/things/publications/thing-q34679/spec.json