Geologic symbols library and development for QGIS

The test for the FGDC symbol is the Geologic map of the Arctic quadrangle, Alaka by Brosgé and others, 2001

Brosgé, W.P., Reiser, H.N., Dutro, J.T., Jr., Detterman, R.L., and Tailleur, I.L., 2001, Geologic map of the Arctic quadrangle, Alaska: U.S. Geological Survey Geologic Investigations Series Map I–2673, 2 sheets, scale 1:200,000

The map has been georefenced using the !(topogrpahic map)[https://prd-tnm.s3.amazonaws.com/StagedProducts/Maps/HistoricalTopo/GeoTIFF/AK/AK_Arctic_360544_1956_250000_geo.tif]