Related by context. Frequent words. (Click for all words.) 63 andesitic 61 interbedded 61 clastic 61 kaolinite 61 siltstones 60 greywacke 60 felsic volcanic 60 Al#O# 60 calcareous 60 siliceous 60 metasedimentary 60 carbonaceous 60 volcaniclastic 59 limestones 59 lateritic 59 mudstones 59 Ilmenite 58 mudstone 58 clasts 58 pyrite pyrrhotite 58 #,#-#,# ft. Loc 58 hornfels 58 pentlandite 58 REE bearing 58 phosphorite 58 gabbroic 58 manganese oxide 57 quartzites 57 schists 57 tonalite 57 tuffs 57 quartz feldspar porphyry 57 calcium oxide 57 uraninite 57 Sulphides 57 porous limestone 57 Mineralization consists 57 stibnite 57 carnallite 57 dolomite 57 Carbonate 57 pyrite chalcopyrite 56 dacite 56 calcined 56 uraniferous 56 gneisses 56 felsic 56 sedimentary rock 56 sericite 56 Oxidized 56 phosphatic 56 granitic rocks 55 siltstone 55 naturally occurring mineral 55 Bentonite 55 copper sulphides 55 thicknesses ranging 55 rhyolitic 55 MCFPD TD #,# 55 aragonite 55 monazite 55 carbides 55 tetrahedrite 55 mafic volcanic 55 Porosity 55 unmineralized 55 feldspar 55 Reverse circulation 55 calcium oxalate 55 SiO2 55 metamorphic rocks 55 Upper Cretaceous 55 porosities 55 corundum 55 sandstone reservoir 55 loess 55 sulphide bearing 55 scheelite 55 quartz veined 55 copper sulphide 55 overlie 54 pyroxenite 54 argillite 54 breccia pipes 54 limestone 54 gangue 54 silts 54 goethite 54 Sulfate 54 finely crushed 54 graphitic 54 tremolite 54 felsic intrusive 54 zinc Zn 54 chlorite 54 haematite 54 glacial till 54 skarns 54 pyroclastic 54 ZrO2 54 granitoid