Legend (OneGeology/ILGS_MIGS_Geology)

USA-MI_MIGS_500k_Lithostratigraphy (0) RED BEDS GRAND RIVER FORMATION SAGINAW FORMATION BAYPORT LIMESTONE MICHIGAN FORMATION MARSHALL FORMATION COLDWATER SHALE SUNBURY SHALE BEREA SANDSTONE & BEDFORD SHALE BEDFORD SHALE ELLSWORTH SHALE ANTRIM SHALE TRAVERSE GROUP BELL SHALE DUNDEE LIMESTONE DETROIT RIVER GROUP SYLVANIA SANDSTONE MACKINAC BRECCIA BOIS BLANC FORMATION GARDEN ISLAND FORMATION BASS ISLAND GROUP SALINA GROUP SAINT IGNACE DOLOMITE POINT AUX CHENES SHALE ENGADINE GROUP MANISTIQUE GROUP BURNT BLUFF GROUP CABOT HEAD SHALE MANITOULIN DOLOMITE QUEENSTON SHALE BIG HILL DOLOMITE STONINGTON FORMATION UTICA SHALE MEMBER COLLINGWOOD SHALE MEMBER TRENTON GROUP BLACK RIVER GROUP PRAIRIE DU CHIEN GROUP TREMPEALEAU FORMATION MUNISING FORMATION JACOBSVILLE SANDSTONE FREDA SANDSTONE NONESUCH FORMATION COPPER HARBOR CONGLOMERATE OAK BLUFF FORMATION PORTAGE LAKE VOLCANICS SIEMENS CREEK FORMATION INTRUSIVE QUINNESEC FORMATION PAINT RIVER GROUP RIVERTON IRON FORMATION BIJIKI IRON FORMATION NEGAUNEE IRON FORMATION IRONWOOD IRON FORMATION DUNN CREEK FORMATION BADWATER GREENSTONE MICHIGAMME FORMATION GOODRICH QUARTZITE AMASA FORMATION HEMLOCK FORMATION MENOMINEE & CHOCOLAY GROUPS EMPEROR VOLCANIC COMPLEX SIAMO SLATE & AJIBIK QUARTZITE PALMS FORMATION CHOCOLAY GROUP RANDVILLE DOLOMITE ARCHEAN ULTRAMAFIC ARCHEAN GRANITE & GNEISSIC ARCHEAN VOLCANIC & SEDIMENTARY USA-MI_MIGS_500k_Geologic_Age (1) Holocene Quaternary Cenozoic Phanerozoic Upper Pleistocene Pleistocene Ionian Calabrian Pliocene Neogene Messinian Miocene Oligocene Palaeogene Priabonian Eocene Lutetian Ypresian Paleocene Upper Cretaceous Cretaceous Lower Cretaceous Mesozoic Santonian Upper Jurassic Jurassic Middle Jurassic Lower Jurassic Triassic Lopingian Permian Paleozoic Cisuralian Upper Pennsylvanian Pennsylvanian Carboniferous Lower Pennsylvanian Upper Mississippian Mississippian Lower Mississippian Upper Devonian Devonian Middle Devonian Lower Devonian Silurian Ludlow Rhuddanian Llandovery Upper Ordovician Ordovician Middle Ordovician Lower Ordovician Furongian Cambrian Neoproterozoic Proterozoic Precambrian Stenian Mesoproterozoic Ectasian Calymmian Paleoproterozoic Statherian Orosirian Neoarchean Archean Paleoarchean USA-MI_MIGS_500k_Lithology (2) <all other values> Acidic igneous material Acidic igneous rock Alkali olivine basalt Alkali feldspar granite Alkali feldspar rhyolite Alkali feldspar syenite Alkali feldspar syenitic rock Alkali feldspar trachyte Alkali feldspar trachytic rock Amphibolite Andesite Anorthosite Anorthositic rock Anthracite Anthropogenic material Anthropogenic unconsolidated material Aphanite Aplite Arenite Ash and lapilli Ash breccia, bomb, or block tephra Ash tuff, lapillistone, and lapilli tuff Basalt Basanite Basanitic foidite Basic igneous material Basic igneous rock Bauxite Biogenic sediment Biogenic silica sedimentary rock Bituminous coal Boninite Boulder gravel size sediment Boundstone Breccia Breccia-gouge series Calcareous carbonate sediment Calcareous carbonate sedimentary material Calcareous carbonate sedimentary rock Carbonate mud Carbonate mudstone Carbonate ooze Carbonate rich mud Carbonate rich mudstone Carbonate sediment Carbonate sedimentary material Carbonate sedimentary rock Carbonate wackestone Carbonatite Cataclasite series Chalk Chemical sedimentary material Chlorite actinolite epidote metamorphic rock Conglomerate Mudstone Sandstone Clastic sediment Clastic sedimentary material Clastic sedimentary rock Clay Claystone Coal Cobble gravel size sediment Composite genesis material Composite genesis rock Compound material Crystalline carbonate Dacite Diamictite Diamicton Diorite Dioritic rock Dioritoid Doleritic rock Dolomitic or magnesian sedimentary material Dolomitic or magnesian sedimentary rock Dolomitic sediment Dolomite Duricrust Eclogite Evaporite Exotic alkaline rock Exotic composition igneous rock Exotic evaporite Fault-related material Fine grained igneous rock Foid bearing alkali feldspar syenite Foid bearing alkali feldspar trachyte Foid bearing anorthosite Foid bearing diorite Foid bearing gabbro Foid bearing latite Foid bearing monzodiorite Foid bearing monzogabbro Foid bearing monzonite Foid bearing syenite Foid bearing trachyte Foid diorite Foid dioritoid Foid gabbro Foid gabbroid Foid monzodiorite Foid monzogabbro Foid monzosyenite Foid syenite Foid syenitoid Foidite Foiditoid Foidolite Foliated metamorphic rock Fragmental igneous material Fragmental igneous rock Framestone Gabbro Gabbroic rock Gabbroid Generic conglomerate Generic mudstone Generic sandstone Glass rich igneous rock Glassy igneous rock Glaucophane lawsonite epidote metamorphic rock Gneiss Grainstone Granite Granitoid Granodiorite Granofels Granulite Gravel Gravel size sediment High magnesium fine grained igneous rock Hornblendite Hornfels Hybrid sediment Hybrid sedimentary rock Igneous material Igneous rock Impact generated material Impure calcareous carbonate sediment Impure carbonate sediment Impure carbonate sedimentary rock Impure dolomitic sediment Impure dolomite Impure limestone Intermediate composition igneous material Intermediate composition igneous rock Iron rich sediment Iron rich sedimentary material Iron rich sedimentary rock Kalsilitic and melilitic rocks Komatiitic rock Latite Latitic rock Lignite Limestone Marble Material formed in surficial environment Metamorphic rock Metasomatic rock Mica schist Migmatite Monzodiorite Monzodioritic rock Monzogabbro Monzogabbroic rock Monzogranite Monzonite Monzonitic rock Mud Mud size sediment Mylonitic rock Natural unconsolidated material Non-clastic siliceous sediment Non-clastic siliceous sedimentary material Non-clastic siliceous sedimentary rock Ooze Organic bearing mudstone Organic rich sediment Organic rich sedimentary material Organic rich sedimentary rock Orthogneiss Packstone Paragneiss Peat Pebble gravel size sediment Pegmatite Peridotite Phaneritic igneous rock Phonolite Phonolitic basanite Phonolitic foidite Phonolitic tephrite Phonolitoid Phosphate rich sediment Phosphate rich sedimentary material Phosphorite Phyllite Phyllonite Porphyry Pure calcareous carbonate sediment Pure carbonate mudstone Pure carbonate sediment Pure carbonate sedimentary rock Pure dolomitic sediment Pyroclastic material Pyroclastic rock Pyroxenite Quartz alkali feldspar syenite Quartz alkali feldspar trachyte Quartz anorthosite Quartz diorite Quartz gabbro Quartz latite Quartz monzodiorite Quartz monzogabbro Quartz monzonite Quartz rich igneous rock Quartz syenite Quartz trachyte Quartzite Residual material Rhyolite Rhyolitoid Rock Gypsum or anhydrite Rock salt Sand Sand size sediment Sapropel Schist Sediment Sedimentary material Sedimentary rock Serpentinite Shale Silicate mud Silicate mudstone Siliceous ooze Silt Siltstone Skarn Slate Spilite Syenite Syenitic rock Syenitoid Syenogranite Tephra Tephrite Tephritic foidite Tephritic phonolite Tephritoid Tholeiitic basalt Tonalite Trachyte Trachytic rock Trachytoid Travertine Tuff-breccia, agglomerate, or pyroclastic breccia Tuffite Ultrabasic igneous rock Ultramafic igneous rock Unconsolidated material Wacke CGI Simple Lithology Categories gsmlp2.0:geologicunitview (4)