SimilarityRank
oligocene 0.921 52381
silurian 0.899 24411
miocene 0.895 31987
cretaceous 0.889 15845
mesozoic 0.878 21369
devonian 0.878 17422
pliocene 0.875 49115
permian 0.872 18568
cenozoic 0.871 76640
unconformably 0.871 99989
triassic 0.869 19513
glaciate 0.864 54958
precambrian 0.864 28924
pleistocene 0.863 19850
ordovician 0.862 22032
neogene 0.861 76982
proterozoic 0.861 68404
chert 0.861 49404
archaean 0.861 68387
andesitic 0.859 76635
tectonised 0.858 99784
glossopteris 0.858 77276
dinantian 0.858 48032
echinoid 0.856 92778
glauconitic 0.853 88526