Related by context. All words. (Click for frequent words.) 71 Plio Pleistocene 66 Paleogene 66 Neogene 66 Neoproterozoic 65 Cenomanian 65 Middle Devonian 65 cretaceous 64 Late Paleozoic 64 Early Cretaceous 64 Late Cretaceous 63 siliciclastic 63 Paleocene 63 Jurassic Triassic 63 Palaeozoic 63 Cenozoic 63 Permo Triassic 63 Maastrichtian 62 Upper Cretaceous 62 Carboniferous 62 planktonic foraminifera 62 Oligocene 62 Upper Triassic 62 Cretaceous periods 62 Ediacara 61 Lower Cretaceous 61 clastics 61 Middle Miocene 61 layered ultramafic 61 faunas 61 evaporite 61 Triassic Period 61 Late Devonian 61 Cambrian Ordovician 61 Upper Miocene 61 Aptian 61 Cretaceous Jurassic 61 Middle Jurassic 60 Cenozoic Era 60 Late Triassic 60 Miocene 60 Archaean 60 Tertiary Period 60 turbidite 60 Permian Triassic 60 fossils excavated 60 Upper Jurassic 60 Jurassic Cretaceous 60 dolomites 60 Middle Eocene 59 Paleoproterozoic 59 Ordovician 59 Miocene Pliocene 59 cratons 59 Pliocene 59 Late Ordovician 59 Mesozoic 59 Palaeocene 59 Cretaceous 59 magmatism 59 lacustrine 58 Palaeo 58 foreland 58 palaeo 58 Miocene epoch 58 Eocene 58 Triassic Jurassic 58 Fold Belt 58 Middle Pleistocene 58 Doushantuo Formation 58 craton 58 Paleozoic 58 hematite goethite 58 Phanerozoic 58 Late Jurassic 58 carboniferous 58 Lower Jurassic 58 Lophelia 58 Upper Carboniferous 57 granitoid rocks 57 ophiolite 57 Seagull Intrusion 57 oligotrophic 57 ferruginous 57 paleochannel 57 Triassic formations 57 depositional environment 57 Eocene Epoch 57 Laurasia 57 quartz feldspar porphyries 57 stratigraphic sequence 56 Outcrops 56 Jurassic Period 56 alluvial workings 56 Miocene Epoch 56 tuffaceous rocks 56 bony fishes 56 Ca2 56 Lower Proterozoic 56 Ediacaran 56 Galapagos Archipelago 56 Faghur Basin 56 unconformably overlain 56 kyr 56 claystone 56 Arsenopyrite 56 amphibolites 56 Felsic 56 geothermal gradient 56 long necked dinosaur 56 basinal 56 gabbro dykes 56 Jurassic formations 56 Proterozoic aged 56 Miocene aged 56 granitoids 56 Cenozoic era 56 diamondiferous kimberlite pipes 55 ignimbrites 55 Cambrian Period 55 Triassic 55 Assam Arakan 55 Orrorin tugenensis 55 hydrocarbon accumulations 55 Late Pleistocene 55 Liang Bua 55 Sierras Blancas 55 Paleozoic sedimentary 55 Cretaceous Paleogene 55 Devonian Period 55 Mesoproterozoic 55 colluvial 55 hornblende 55 erosional 55 cherts 55 volcanoclastic rocks 55 sulphide mineral 55 Ordovician Silurian 55 hydrothermal vent 55 Coelacanth 55 Facies 55 dolomitic 55 sediments deposited 55 Mammalia 55 biogeographic 55 paleoenvironmental 55 dacitic 55 magmatic arc 55 Leduc Formation 55 Tawa hallae 55 Mafic 55 eolian 55 Pannonian 55 peridotites 55 fossils unearthed 55 ancient supercontinent 55 Noachian 55 Cu Zn Pb 55 geochronology 55 Tasour field 55 Mio Pliocene 55 Early Bronze Age 55 Alaskite 54 East Kivu Graben 54 Mehrgarh 54 Cretaceous Paleogene boundary 54 halite 54 Sundaland 54 Laterite 54 shallower Cretaceous 54 Khuff formation 54 REE bearing 54 carbonate sediments 54 Au Cu mineralization 54 subseafloor 54 sedimentary deposits 54 sedimentological 54 Acanthostega 54 phyllosilicate 54 East Ras Qattara 54 Karoo sediments 54 Turaco 54 Middle Paleolithic 54 detrital 54 Navajo Sandstone 54 gabbro dyke 54 Pyrrhotite 54 sedimentary sequences 54 Birimian Greenstone Belt 54 Sakoa 54 porphyry Cu Au 54 UG2 Reef 54 Campanian 54 orogenic 54 Quaternary 54 Pleistocene epoch 54 Eocene epoch 54 Endrod 54 Rotliegend 54 eclogite 54 carbonate formations 54 terranes 54 Palaeozoic sedimentary 54 volcano sedimentary sequences 54 Sergipe Alagoas Basin 54 Matoush uranium 54 Laramidia 54 paleochannels 54 Km2 54 altered andesitic 54 upland forests 54 Eromanga Basin 54 anticlines 54 semidesert 54 Cretaceous carbonate 54 robustus 54 Gohar Tepe 54 Volcanogenic Massive Sulphide VMS 54 Fairydell Bon Accord 54 abyssal plain 54 ultramafic rock 54 hominid evolution 54 terrestrial vertebrates 54 Paleocene Eocene 54 sulfide deposits 54 Triassic reservoirs 54 mallee fowl 54 Qawasim 54 Zechstein 54 Main Lode 54 Carbonatite Complex 53 Crustal 53 fractured carbonates 53 intersected mineralized 53 Ostracod 53 pyrrhotite chalcopyrite 53 benthic foraminifera 53 seafloor sediments 53 necked dinosaur 53 amphibolite facies 53 Gondwanaland 53 Loma Montosa 53 brachiopods 53 conodonts 53 metazoan 53 alluvial deposits 53 calcareous 53 Kermadec Arc 53 Mammuthus 53 Orogeny 53 Dienemera 53 Noachian era 53 Paleozoic carbonate 53 silicic 53 Heterodontosaurus 53 Proterozoic age 53 komatiitic 53 Hydrothermal 53 sylvite 53 Precambrian rocks 53 lateritic 53 clastic reservoirs 53 granodiorites 53 vesper bats 53 depositional 53 spodumene bearing 53 Black Thor Chromite 53 vertebrate fossils 53 porphyry Cu Mo 53 carbonatite dykes 53 mineralized mafic 53 Stratigraphy 53 Nakru 53 alteration assemblages 53 REE Y Zr 53 geological strata 53 Proterozoic 53 serpentinized 53 Precambrian 53 Oligocene epoch 53 ignimbrite 53 deepwaters 53 pelitic 53 sedimentary layers 53 karst limestone 53 gabbro intrusive 53 hematite stained 53 Archaean greenstone 53 faunal 53 Espirito Santo Basin 53 #km# [001] 53 basaltic rocks 53 shell midden 53 granite gneiss 53 glacial outwash 53 Pleistocene 53 montane 53 magnetite bearing 53 limestone caves 53 sulphidic 53 quartz tourmaline breccia 53 Glauconitic 53 clastic 53 Proterozoic sediments 53 petroliferous 53 graphitic horizons 53 subcrop 53 Nambija 53 pelitic gneiss 53 basal sandstone 53 REE enriched 53 silica carbonate 53 Kameshwari West 53 meta sedimentary rocks 53 Cebada mine 53 Cretaceous Tertiary boundary 53 mud volcanoes 53 mammal fossils 52 granitic pegmatite 52 carbonaceous shales 52 basalts 52 pyroclastics 52 pillow lava 52 massive sulphide deposits 52 Matoush fault 52 volcano sedimentary belt 52 overlying sediments 52 hominoid 52 lobe finned fish 52 turbidites 52 zonation 52 Upper Devonian 52 clastic sediments 52 Teleostei 52 foreland basin 52 Silurian 52 mya 52 preserved fossils 52 Salinas Grandes 52 felsic rocks 52 Etinde Permit 52 ramidus 52 Lower Mannville 52 alluvial flats 52 trilobites 52 Middle Awash 52 isotopic compositions 52 sedex 52 andesite flows 52 carbonate reef 52 Tan Chaffao East 52 quartz magnetite 52 BIFs 52 paleomagnetic 52 refugia 52 porphyry intrusions 52 alluvial plains 52 flood basalts 52 supergene enriched 52 illite 52 glacial geology 52 ophiolitic 52 Gasfield 52 volcaniclastic rocks 52 Ordovician limestone 52 Sedimentary rocks 52 stockwork veining 52 igneous intrusive 52 lamproite 52 arenite 52 alluvial diamond deposits 52 Geologically 52 H. habilis 52 granodiorite porphyry 52 Sorowar 52 pyrite magnetite 52 Hominid 52 graben 52 freshwater swamps 52 rifting 52 Qishn 52 Au Cu 52 Azulitas 52 southern supercontinent 52 Adavale Basin 52 Dargues 52 dromaeosaurs 52 artiodactyls 52 mineralized alteration 52 trenches excavated 52 Wichian Buri 52 molluscan 52 Campos Basin offshore 52 Merensky Reef 52 Ordovician extinction 52 angiosperm 52 Upper Paleolithic 52 lobe finned fishes 52 Carbonera C 52 massive sulfide mineralization 52 Paleolithic Age 52 stibnite 52 Paleozoic era 52 felsic intrusions 52 andesitic rocks 52 greenschist 52 felsic intrusive rocks 52 volcanogenic 52 Epithermal Gold 52 terrane 52 Jurassic limestone 52 Acacus 52 volcanogenic massive sulphide 52 Australopithecus anamensis 52 siderite 52 Devonian reef 52 Permian Triassic boundary 52 Jurassic carbonate 52 Neocomian 52 Chimu 52 Conserved 52 Permian Period 52 stromatolites 52 Klaza Zone 52 Ag Pb Zn 52 Icadyptes 52 gabbros 52 paleo placer 52 Poly Metallic 52 stepout drilling 52 stockwork breccia 52 Jurassic sandstone 52 alunite 52 manganese mineralization 52 Gawis 52 Upper Oligocene 51 uranium anomalism 51 lowermost mantle 51 metalliferous 51 hole CJV 51 Fossilised 51 ecoregion 51 Djambaye II 51 Uranium mineralization 51 Yixian Formation 51 Cretaceous sediments 51 Sarmatian 51 komatiites 51 talus slopes 51 Oligocene reservoir 51 dromaeosaurid 51 exhalite 51 greisen 51 dolomitized 51 silicified breccia 51 Wollaston Domain 51 Gondwanan 51 spodumene pegmatite 51 Ikungu 51 placer deposits 51 Cretaceous Period 51 volcanic breccias 51 Kure Atoll 51 dolerite 51 Gongondy 51 Sandstones 51 Chacoan 51 nickel laterite deposit 51 Zhana Makat Field 51 Lower Devonian 51 Sauropod 51 Mexico GOM shelf 51 hornfelsed 51 Magellanic 51 Carboniferous Period 51 carbonatites 51 silicified zone 51 Nyalga Basin 51 manganese nodules 51 Zamora Batholith 51 undrilled prospects 51 diorites 51 Mineralised Zone 51 alluvial gravels 51 Birkhead Formation 51 sedimentary basin 51 paragneisses 51 Bujang Valley 51 Lower Tengkereng 51 Pleistocene Epoch 51 grabens 51 magnetite iron 51 Ediacaran Period 51 basaltic 51 genus homo 51 sheeted quartz 51 Puguang Gas Field 51 Proterozoic rocks 51 carbonate reservoir 51 unconformity uranium 51 Geologically speaking 51 #km# [002] 51 Upper Palaeolithic 51 basalt flows 51 Albertine Graben 51 lateritic nickel 51 Kaiso Tonya 51 floresiensis 51 volcanic sediments 51 hominoids 51 pyrophyllite 51 Kalamkas 51 anorthosite 51 Miocene reservoir 51 Shirotnaia zone 51 volcanoclastic 51 palaeochannels 51 Jurassic 51 Nukhul 51 Magnama 51 diabase dike 51 Unconformity 51 Diamondiferous 51 saprolitic 51 Sr Ca 51 Skhul 51 beech forests 51 garimpos 51 stromatolite 51 Permian extinction 51 lowland rainforest 51 komatiite 51 mafic ultramafic intrusion 51 Au Cu Ag 51 limestones 51 Indus valley 51 thermal vents 51 gravity anomalies 51 Panderichthys 51 Taranaki basin 51 Igneous Complex 51 volcano sedimentary sequence 51 Cretaceous limestone 51 disseminated magnetite 51 Tarbosaurus 51 epithermal quartz veins 51 calc silicate 51 sulphide veins 51 shell middens 51 anamensis 51 montane forests 51 Paleozoic sediments 51 tectonically 51 orogenic gold deposits 51 eukaryote 51 sedimentary strata 51 Nihoa Island 51 smectite 51 Norte Chico 51 Greenstone belt 51 granodiorite intrusive 51 alkalic 51 Saiwan East 51 palaeo channel 51 spadefoot 51 disseminated sulphide mineralization 51 Etango deposit 51 #,#-#,# ft. 51 gneisses 51 ultradeep waters 51 Cryogenian 51 Fossilized 51 Ber Bahr 51 iron sulphides 51 argillaceous 51 Gippsland Basin 51 lowland rainforests 50 sulphide mineralized 50 Jurassic reservoir 50 greenstones 50 calc alkaline 50 tuffs 50 Kalana Mine 50 Pivert Rose property 50 Cib Haz 50 microfossils 50 uraniferous 50 Bluesky formation 50 massive sulphide horizon 50 Fig. 1A 50 Paranthropus robustus 50 Southwest Oyu 50 kimberlite breccia 50 Burgess Shale 50 morphological similarities 50 schists 50 mafic intrusion 50 biotite rich 50 Neolithic Period 50 Cu Au Mo 50 leached capping 50 mineralized diorite 50 Indus civilization 50 ornithischians 50 ultramafic hosted 50 Neolithic Age 50 calcrete hosted uranium 50 copper anomalism 50 Barberton Greenstone Belt 50 Cauchari Olaroz 50 mudstones 50 VHMS 50 interbedded 50 interglacials 50 glaciers retreated 50 ultramafic intrusions 50 sedimentary basins 50 Nechalacho deposit 50 Bahariya 50 geophysical conductors 50 Cu Au mineralization 50 phosphorite 50 massive sulphide VMS 50 Seamounts 50 Lower Acacus 50 Tabar Islands 50 Eocene Oligocene 50 evaporites 50 Mistaken Point 50 Mud Volcano 50 long necked sauropod 50 Fofina 50 primate lineage 50 alluvial soils 50 mineralized skarn 50 laterite deposits 50 Serrote da Laje deposit 50 passerine birds 50 magmatic 50 gold anomalism 50 limestone outcrops 50 Yaxtché deposit 50 polymictic conglomerate 50 hydrocarbon reservoirs 50 olivine rich 50 plutonic rocks 50 Kivu Graben 50 volcanic caldera 50 rhyolites 50 crackle breccia 50 Gneiss 50 Caenorhabditis 50 ancestral Puebloan 50 chloritic 50 sedimentology 50 Gobero 50 Stegodon 50 stratigraphically equivalent 50 physiographic 50 Archaeological excavations 50 Riversleigh 50 Andean Cordillera 50 intensely oxidized 50 structural stratigraphic 50 igneous rocks 50 Puajanca Zone 50 giant squid Architeuthis 50 copper porphyries 50 megadroughts 50 trending shear zone 50 Paleoindian 50 earliest hominid 50 Karoo Supergroup 50 massive sulphide deposit 50 deformational 50 Strathcona Fiord 50 gabbroic 50 crinoids 50 ncRNA 50 Psittacosaurus 50 palaeochannel 50 fig. S1 50 homo erectus 50 iridium layer 50 subterranean caves 50 Nabrajah 50 Isua 50 gold copper porphyries 50 silica breccia 50 Seafloor 50 hydrothermal activity 50 vertically dipping 50 biogeographical 50 #km# [003] 50 Lower Rudeis 50 glaciations 50 diorite porphyry 50 Arabia Terra 50 thermally mature 50 VTEM conductor 50 previously undrilled 50 microfossil 50 advanced argillic alteration 50 crocodiles turtles 50 epithermal gold mineralization 50 Pedirka Basin 50 metavolcanics 50 epithermal deposits 50 metazoans 50 mesic 50 kimberlite dykes 50 rift basins 50 kimberlite float 50 Siberian Traps 50 Ucayali Basin 50 Homo sapiens evolved 50 Tapajós 50 Anza basin 50 carbonaceous chondrites 50 East Kalimantan Indonesia 50 ichthyosaur 50 Mineralised 50 MN DWN 50 fossilized creatures 50 Cubiro Block 50 ANIT 50 diamondiferous kimberlite 50 Lambouka 50 Igunda 50 ° #'N 50 Santonian 50 Deep Omicron 50 benthos 50 Jurassic sandstones 50 Gas Condensate 50 Semi arid 50 Porphyry Copper Gold 50 bryozoans 50 Aurignacian 50 Villeta U 50 Soil Anomaly 50 hornfels 50 recolonised 50 West Manzala 50 Albertine Rift 50 Alaminos Canyon 50 lithium bearing pegmatite 49 Late Bronze Age 49 tumulus 49 Molybdenite 49 shallow depths 49 Kena Property 49 Nithi Mountain 49 geologically mapped 49 Transect 49 mudstone 49 Chicxulub crater 49 Neuquén Basin 49 Slave Point 49 Adit Block 49 Cerro Dorado 49 Caral Supe 49 forams 49 Mt Penck 49 Rare Earth Element REE 49 Hache lens 49 magnetite gneiss 49 lithic 49 Tarim basin 49 dioritic 49 andesitic volcanic rocks 49 biotopes 49 terrestrial mammals 49 Junnagunna 49 geomorphological 49 Simuku 49 supercontinent 49 diatremes 49 chromites 49 bonebed 49 Konar Sandal 49 Patchawarra 49 Tin Hina concession 49 kimberlitic bodies 49 sulphide deposits 49 Marge Vein 49 coeval 49 Letitna 49 Cretaceous sandstones 49 placental mammal 49 ostracods 49 tungsten mineralization 49 stony meteorites 49 Volcanic Belt 49 mineralized intrusive 49 skarn mineralization 49 Thermus aquaticus 49 meta volcanic rocks 49 Lower Goru 49 Moho 49 fluvial 49 Sulphide mineralization 49 Bayan Obo 49 El Wastani 49 Mothae pipe 49 coniferous forest 49 Surface Sampling 49 Induced Polarisation 49 Portugesas 49 formation BIF 49 Homo ergaster 49 Assam Arakan Basin 49 coincident geophysical 49 dike swarm 49 floristic 49 dolostone 49 Ancient tomb 49 Winna Gora 49 chloritized 49 Balarat Project 49 quartz adularia 49 Parnaiba Basin 49 Goldpines North 49 hominin fossils 49 lava tubes 49 megadrought 49 lavas 49 stratified layers 49 marine biota 49 Paleozoic Era 49 andesitic 49 Canadon Seco 49 surface geochemical anomalies 49 BZ# 49 Shiranish 49 Archean rocks 49 previously unmapped 49 unsampled 49 geologies 49 Stratigraphic 49 tetrapod 49 Saharan Desert 49 pillow basalts 49 sulfidic 49 sedimentary rock 49 metallogenic 49 felsic volcanics 49 Bronze Age civilization 49 porphyries 49 Drill Hole Results 49 eluvial 49 Pakasuchus 49 stream sediment geochemistry 49 Accori North 49 Doushantuo 49 Shayban 49 Miocene reservoirs 49 overthrust 49 ultrabasic 49 Basal Conglomerate 49 Geochemistry 49 Mancos shale 49 limestone karst 49 Matala Dome 49 palaeontological 49 unsurveyed 49 REE deposits 49 Rudeis 49 Upper Mirador 49 metamorphic rock 49 geologically 49 metamorphic rocks 49 loess 49 Cretaceous reservoir 49 Binebase 49 Rovuma Basin 49 Syrtis Major 49 Zalasiewicz 49 Dinosaur fossils 49 Prairie Evaporite Formation 49 Homo heidelbergensis 49 neutrino experiments 49 systematics 49 Ni Cu PGM mineralization 49 coccolithophores 49 holotype 49 Harena 49 Tres Juanes Norte 49 Chiis 49 Minitas 49 hominid skull 49 isotope composition 49 hominid fossils 49 Australopithecus africanus 49 Sabodala Property 49 herbivorous dinosaurs 49 calcrete 49 hyena dung 49 Iguanodon 49 diamondiferous kimberlites 49 Fossilized bones 49 lamprophyre 49 Banded Iron Formation 49 Junggar Basin 49 Chert 49 methane seeps 49 hyrax 49 granitic rock 49 prehistoric lizard 49 quartz stockwork zone 49 Namib Desert 49 EW trending 49 horst block 49 andesitic volcanics 49 Unexplored 49 feathered dinosaur 49 Gangetic 49 Mount Bosavi 49 Sidi Moussa 49 Puruni 49 Cu Mo Au 49 vein breccia 49 accretionary 49 Polymetallic 49 drillable prospect 49 Palaeolithic 49 sedimentary sequence 49 distinct Acheulian design 49 fossilized shells 49 fossilized dinosaur eggs 49 Beaverhill Lake 49 Scientists theorize 49 fig. S# 49 crestal 49 Nankai Trough 49 Amun Deeps 49 Bonaparte Basin 49 Altai Mountains 49 siliceous 49 Issaran 49 ankerite 49 marine sediments 49 locally graphitic 49 Massive Sulfide 49 Para Maranhao 49 Etinde permit 49 hydrocarbon saturation 49 Pliocene epoch 49 desertified 49 Juina 49 nickel sulfide 49 license PL# 49 Hamiguitan 49 Draupne 49 tuffaceous 49 mineralized outcrop 49 volcaniclastics 48 granitoid hosted 48 siliceous breccia 48 Yenac 48 Nemegosenda 48 genetically divergent 48 Cuiu Cuiu 48 scheelite bearing 48 Kibish 48 Tubal Cain 48 sericite pyrite 48 age volcano plutonic 48 Devonian 48 mafic intrusive 48 Chapadao 48 Dougga 48 Bir Moghrein 48 Ofrima 48 subhorizontal 48 fossilized footprints 48 vuggy silica 48 Gigantopithecus 48 Neoproterozoic era 48 Airborne Geophysical Survey 48 Triassic Montney 48 Bargou 48 Maybrun 48 kimberlite cluster 48 La Noria Project 48 porphyry copper molybdenum mineralization 48 Miocene sands 48 basaltic flows 48 surface geochemistry 48 Archean greenstone belts 48 structural lineaments 48 Ice Ages 48 humans Homo sapiens 48 hydrothermally altered 48 Chinchorro 48 woolly rhinos 48 alaskite 48 Yegua sands 48 Hohle Fels Cave 48 Nabeba