GEOGCS["Unknown datum based upon the GEM 10C ellipsoid (deprecated)",DATUM["Not_specified_based_on_GEM_10C_ellipsoid",SPHEROID["GEM 10C",6378137,298.257223563,AUTHORITY["EPSG","7031"]],AUTHORITY["EPSG","6031"]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4031"]]