If you like information about minerals, you might find my visualisation of world production of different minerals also interesting: https://ninhursag.herokuapp.com/ The green line shows world production form year 1900 to about 2020, depending on data availability. Yellowish green line shows available reserves – that is ‘easily’ available or economically feasible resources. Most of USGS data series 140 minerals are in…
Very cool, thanks! Just some quick feedback - I am colorblind (protan) and cannot distinguish among many of the graph lines or tell which part of the legend each corresponds with. This excellent article has some palette suggestions: https://davidmathlogic.com/colorblind/
I made an issue, and will fix that and other accessibility concerns in the next release: https://github.com/peterhil/ninhursag/issues/10