Related by context. Frequent words. (Click for all words.) 65 isotope ratios 59 isotopic composition 58 biogenic 56 carbonaceous 56 abundances 56 electron density 56 perovskite 55 iron oxides 55 SiO2 55 aragonite 54 sulfides 54 osmium 54 γ 54 isotopic 54 manganese oxide 54 titania 54 anisotropy 54 GPa 54 elemental composition 54 solar nebula 53 copper oxides 53 sulphide minerals 53 sorption 53 nanocrystalline 53 olivine 53 aerosol particles 53 SiO 2 53 silicates 53 oxygen isotopes 52 graphitic 52 permittivity 52 particle sizes 52 magmas 52 desorption 52 absorbance 52 monomeric 52 zircons 52 morphologies 51 siliceous 51 anisotropic 51 dispersive 51 monazite 51 porphyrin 51 irradiance 51 MgO 51 calcareous 51 thiol 51 anionic 51 colorimetric 51 fluxes 51 clasts 51 sulphates 51 mineralogical 51 oxidised 51 arsenate 51 nanosized 50 spinel 50 biotite 50 tropospheric 50 conductivity 50 concentrations 50 photoluminescence 50 biogeochemical 50 adsorb 50 atmospheric CO 50 polymerized 50 stoichiometric 50 magnetization 50 copper Cu 50 chlorite 50 alkyl 50 sulfate 50 foraminifera 49 TiO 2 49 mmol 49 apatite 49 dopant 49 agglomerate 49 fused silica 49 conductance 49 stable isotope 49 silicate 49 marine sediments 49 pyroxenite 49 oxidized 49 monolayers 49 dielectric constant 49 sericite 49 hydrogen ions 49 microfossils 49 microstructures 49 serum calcium 49 Sulfate 48 basaltic 48 oxalate 48 hydroxyl radicals 48 dielectric materials 48 nanoribbons 48 colloid 48 interfacial 48 crosslinking