SimilarityRank
permian 0.870 18568
triassic 0.869 19513
palaeozoic 0.860 17635
ordovician 0.859 22032
devonian 0.854 17422
cretaceous 0.849 15845
silurian 0.845 24411
mesozoic 0.835 21369
dalradian 0.834 31062
namurian 0.832 53188
greywacke 0.831 72592
metamorphic 0.824 30217
stratiform 0.824 79354
precambrian 0.823 28924
breccia 0.819 37637
archaean 0.817 68387
igneous 0.813 20899
dinantian 0.812 48032
facies 0.812 23456
mineralisation 0.812 16006
zechstein 0.811 33130
gneiss 0.810 38681
shale 0.807 13567
proterozoic 0.806 68404
alluvium 0.804 48914