There are five categories of basic resources, Artifact, Animal, Plant, Stone and Water. Any of these may be gathered by the players or NPCs and used for various games purposes, such as sustinence or for use as building materials in the construction of Improvements.
The only category of Resource that cannot be refined is Artifacts. The remaining types may be refined or combined to create constituent or new materials like the examples below, Sinew, Distillates, Alloy, Clay or even from multiple sources to create Oil.
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