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"]]