I looked this up and it turns out that, back in 2014, there was a tag for resources and people wanted resources of a world to be separate from resources for building a world. So they turned it into two tags: natural-resources and worldbuilding-resources
All well and good.
The wiki for natural-resources (total: 116 questions):
For questions that deal with the natural resources found in the environment.
Natural resources are naturally found in the environment. It encompass resources that were not transformed by humans or other intelligent species. Examples include energy resources like oil, coal, uranium; metals: gold, silver, copper, iron; building material: sand, stone, marble. Air and water can also be considered as natural resources.
The wiki for resources (total: 3 questions):
For questions about the natural resources of a world. Not for questions about resources useful to the author in making a world (use worldbuilding-resources instead).