# Enumerations

This page catalogs the enumerations shared by Calminer ORM models and Pydantic schemas. The entries mirror the original content from `02_data_model.md` so enum updates can be maintained independently of the broader data model reference.

## MiningOperationType

Supported mining operation categories.

- `OPEN_PIT`: Open pit mining
- `UNDERGROUND`: Underground mining
- `IN_SITU_LEACH`: In-situ leaching
- `PLACER`: Placer mining
- `QUARRY`: Quarry operations
- `MOUNTAINTOP_REMOVAL`: Mountaintop removal
- `OTHER`: Other operations

## ScenarioStatus

Lifecycle states for project scenarios.

- `DRAFT`: Draft status
- `ACTIVE`: Active status
- `ARCHIVED`: Archived status

## FinancialCategory

Enumeration of cost and revenue classifications.

- `CAPITAL_EXPENDITURE`: Capital expenditures
- `OPERATING_EXPENDITURE`: Operating expenditures
- `REVENUE`: Revenue
- `CONTINGENCY`: Contingency
- `OTHER`: Other

## DistributionType

Supported stochastic distribution families for simulations.

- `NORMAL`: Normal distribution
- `TRIANGULAR`: Triangular distribution
- `UNIFORM`: Uniform distribution
- `LOGNORMAL`: Lognormal distribution
- `CUSTOM`: Custom distribution

## ResourceType

Primary consumables and resources used in mining operations.

- `DIESEL`: Diesel fuel
- `ELECTRICITY`: Electrical power
- `WATER`: Process water
- `EXPLOSIVES`: Blasting agents
- `REAGENTS`: Processing reagents
- `LABOR`: Direct labor
- `EQUIPMENT_HOURS`: Equipment operating hours
- `TAILINGS_CAPACITY`: Tailings storage

## CostBucket

Granular cost buckets aligned with project accounting.

- `CAPITAL_INITIAL`: Initial capital
- `CAPITAL_SUSTAINING`: Sustaining capital
- `OPERATING_FIXED`: Fixed operating costs
- `OPERATING_VARIABLE`: Variable operating costs
- `MAINTENANCE`: Maintenance costs
- `RECLAMATION`: Reclamation costs
- `ROYALTIES`: Royalties
- `GENERAL_ADMIN`: General and administrative

## StochasticVariable

Domain variables that typically require probabilistic modelling.

- `ORE_GRADE`: Ore grade variability
- `RECOVERY_RATE`: Metallurgical recovery
- `METAL_PRICE`: Commodity price
- `OPERATING_COST`: Operating cost per tonne
- `CAPITAL_COST`: Capital cost
- `DISCOUNT_RATE`: Discount rate
- `THROUGHPUT`: Plant throughput

Refer back to the [data model overview](../02_data_model.md) when choosing the appropriate enum for new features.