SimilarityRank
ordovician 0.914 22032
triassic 0.895 19513
silurian 0.893 24411
cretaceous 0.892 15845
permian 0.882 18568
eocene 0.878 39949
mesozoic 0.873 21369
palaeozoic 0.870 17635
precambrian 0.855 28924
carboniferous 0.854 10443
unconformably 0.849 99989
facies 0.844 23456
metamorphic 0.837 30217
pleistocene 0.836 19850
dinantian 0.834 48032
oligocene 0.834 52381
namurian 0.833 53188
chert 0.832 49404
archaean 0.832 68387
dalradian 0.832 31062
miocene 0.831 31987
breccia 0.828 37637
lias 0.827 55567
proterozoic 0.825 68404
gneiss 0.825 38681