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| Qal - Alluvium, undifferentiated |
| Qya - Younger alluvium |
| Qs - Sand dunes |
| Qpl - Playa, lake beds, and flood plain deposits |
| Qg - Glacial moraines |
| Qb - Basalt flows |
| QToa - Older alluvium and alluvial fan deposits (Pleistocene and Pliocene) |
| QTg - Older gravels (Pleistocene and Pliocene) |
| QThs - Hot spring travertine, sinter, and tufa (Holocene to Pliocene) |
| QTls - Landslide deposits, colluvium, and talus (Holocene to Pliocene) |
| QTs - Tuffaceous limestone, siltstone, sandstone, and conglomerate (Holocene to Pliocene) |
| QTb - Basalt flows (Holocene to Pliocene) |
| QTa - Andesite flows and breccias (Holocene to Pliocene) |
| QTr - Rhyolite dome (Holocene to Pliocene) |
| Tba - Andesite and basalt flows (Miocene and Oligocene) |
| Tbg - Basalt, gravel, and tuffaceous sedimentary rocks (Miocene) |
| Ths - Tuffaceous sedimentary rocks (middle Miocene to upper Oligocene) |
| Ts3 - Younger tuffaceous sedimentary rocks (Pliocene and Miocene) |
| Tb3 - Basalt (Miocene) |
| Ta3 - Younger andesite and intermediate flows and breccias (Miocene) |
| Tt3 - Younger silicic ash flow tuffs (Miocene) |
| Tr3 - Younger rhyolitic flows and shallow intrusive rocks (Miocene) |
| Ts2 - Older tuffaceous sedimentary rocks (lower Miocene and Oligocene) |
| Tb2 - Basalt, tuff, and breccia (lower Miocene and Oligocene) |
| Ta2 - Intermediate andesite and intermediate flows and breccias (lower Miocene and Oligocene) |
| Tt2 - Intermediate silicic ash flow tuff (lower Miocene and Oligocene) |
| Tr2 - Intermediate rhyolitic flows and shallow intrusive rocks (lower Miocene and Oligocene) |
| TKs1 - Conglomerate and lacustrine and tuffaceous sedimentary rocks (lower Oligocene to Upper Cretaceous(?)) |
| Ta1 - Older andesite and intermediate flows and breccias (lower Oligocene to middle Eocene) |
| Tt1 - Older silicic ash flow tuffs (lower Oligocene to middle Eocene) |
| Tr1 - Older rhyolitic flows and shallow intrusive rocks (lower Oligocene to middle Eocene) |
| Tmi - Mafic phaneritic intrusive rocks (Miocene to middle Eocene) |
| Tfi - Felsic phaneritic intrusive rocks (Miocene to Eocene) |
| Tri - Rhyolite intrusive rocks with aphanitic groundmass (Miocene to middle Eocene) |
| TJmi - Mafic phaneritic intrusive rocks (Miocene(?) to Jurassic(?)) |
| TJfi - Felsic phaneritic intrusive rocks (Miocene(?) to Jurassic (?)) |
| Kmi - Mafic phaneritic intrusive rocks (Cretaceous) |
| Kfi - Felsic phaneritic intrusive rocks (Cretaceous) |
| Ki - Dikes (Cretaceous) |
| Jgb - Gabbro complex, anorthosite and albitite (Early Cretaceous to Middle Jurassic) |
| Jmi - Mafic phaneritic intrusive rocks (Jurassic) |
| Jfi - Felsic phaneritic intrusive rocks (Jurassic) |
| Ji - Phaneritic intrusive rocks (Jurassic) |
| TRfi - Felsic phaneritic intrusive rocks (Triassic) |
| Jvb - Flows, basaltic tuffs, and lapilli tuffs (Middle? Jurassic) |
| Jvr - Rhyolite flows, tuffs, and volcaniclastic rocks (Upper Jurassic) |
| JTRv - Metavolcanic rocks (Jurassic(?) and Triassic(?)) |
| TRvm - Mafic flows and volcanic breccias (lower Upper Triassic to lower Middle Triassic) |
| TRkv - Andesite, rhyolite, tuff, and volcaniclastic rocks (Middle and Lower Triassic) |
| Jas - Eolian crossbedded sandstone (Jurassic) |
| JTRch - Continentally derived siltstone and clay (Lower Jurassic and Upper Triassic) |
| TRmt - Marine siltstone, limestone, and conglomerate (Middle? and Lower Triassic) |
| TRcl - Shale, sandstone, and limestone (Lower Triassic) |
| JTRs - Shale, siltstone, sandstone, and minor carbonate (Lower Jurassic to Upper Triassic) |
| TRc - Limestone, dolomite, shale, sandstone, and conglomerate (middle Upper to upper Lower Triassic (Carnian to Spathian)) |
| JTRgor - Terrigenous clastic and volcanogenic rocks (Lower Jurassic and Upper Triassic) |
| TKcg - Conglomerate and clastic rocks (Tertiary? and Cretaceous?) |
| Kcg - Siltstone, shale, conglomerate, and limestone (Cretaceous) |
| Jcg - Conglomerate, limestone, and quartz sandstone (Middle and Lower Jurassic) |
| WPN - Walker Lake terrane, Pine Nut assemblage - Volcanogenic, carbonate and clastic rocks (Middle? Jurassic to Middle Triassic) |
| WPL - Walker Lake terrane, Pamlico-Lodi assemblge - Carbonate and volcanogenic rocks (Middle? Jurassic to Middle Triassic) |
| WLB - Walker Lake terrane, Luning-Berlin assemblage - Carbonate and terrigenous clastic rocks (Middle? Jurassic to Middle Triassic) |
| BRJ - Black Rock-Jackson terrane - Basinal, island arc, carbonate, and volcanogenic rocks (Middle Jurassic to Mississippian) |
| SAS - Sand Springs terrane - Basinal volcanogenic rocks and carbonate turbidites (Lower Jurassic and Upper Triassic) |
| QM - Quartz Mountain terrane - Orthoquartzite, feldspathic sandstone, and volcanic rocks (Mesozoic or Paleozoic, possibly Jurassic) |
| JO - Jungo terrane - Turbiditic, fine-grained terrigenous clastic rocks (Middle Jurassic to Upper Triassic) |
| Pc - Cherty limestone, dolomite, shale, and sandstone (Middle to Lower Permian) |
| Psc - Siltstone, sandstone, limestone, and dolomite (Lower Permian, Leonardian and Wolfcampian) |
| PlPc - Limestone, dolomite, siltstone, sandstone, and shale (Lower Permian and Pennsylvanian) |
| lPMbc - Bioclastic limestone (Pennsylvanian and Upper Mississippian) |
| Mc - Limestone (Mississippian) |
| Dc - Limestone and minor dolomite (Upper and Middle Devonian) |
| Dcd - Dolomite, sandstone, and limestone (Middle and Lower Devonian) |
| DSc - Dolomite (Lower Devonian and Silurian) |
| SOc - Dolomite, limestone, and shale (Lower Silurian to Middle Ordovician) |
| Ocq - Quartzite (Middle Ordovician) |
| OCc - Limestone, dolomite, and quartzite (Middle Ordovician to Upper Cambrian) |
| Cc - Dolomite, limestone, and shale (Cambrian) |
| DCc - Dolomite and limestone (Middle Devonian to Upper Cambrian) |
| DOcm - Dolomite and graphitic marble (Devonian to Upper Ordovician) |
| Ocqm - Metaquartzite (Middle Ordovician) |
| OCcm - Calcite marble (Ordovician to Cambrian) |
| MDst - Shale, graywacke, siltstone, chert, conglomerate, and limestone (Lower Mississippian and Devonian) |
| DSt - Platey limestone, dolomite, and chert (Lower Devonian to Silurian) |
| DOts - Calcareous shale, siltstone, chert, quartzite, and greenstone (Devonian to Ordovician) |
| DCs - Shale, chert, quartzite, greenstone, and limestone (Devonian to Upper Cambrian) |
| Ss - Feldspathic sandstone, siltstone, shale, and chert (Silurian) |
| OCtd - Shale, chert, phyllite, quartzite, and limestone (Ordovician to Cambrian) |
| Ctd - Phyliite, schist, shale, thin-bedded limestone, chert, and siltstone (Cambrian) |
| GC - Golconda terrane - Basinal, volcanogenic, terrigenous clastic, and minor carbonate rocks (Permian to Upper Devonian) |
| GChr - Golconda terrane, Home Ranch subterrane - Limestone, basalt, chert, and volcaniclastic rocks (Mississippian) |
| Pacl - Sandstone, conglomerate, siltstone, limestone, and carbonaceous limestone (Permian) |
| PlPacl - Conglomerate, sandstone, and limestone (Permian to Middle Pennsylvanian) |
|
| lPMcl - Shale, siltstone, sandstone, and conglomerate (Middle Pennsylvanian to Lower Mississippian) |
| MDcl - Siltstone, limestone, shale, and sandstone (Lower Mississippian and Upper Devonian) |
| DF - Dutch Flat terrane - Feldspathic sandstone, shale, and turbiditic limestone (Upper Devonian) |
| CZq - Crossbedded quartzite, siltstone, and phyllite (Lower Cambrian and latest Proterozoic) |
| CZqm - Metaquartzite (Lower Cambrian and latest Proterozoic) |
| Zqs - Quartzite, siltstone, conglomerate, limestone, and dolomite (Late Proterozoic) |
| Yfi - Felsic phaneritic intrusive rocks (Middle Proterozoic) |
| Xm - Gneiss and schist (Early Proterozoic) |
| br - Mixed breccias including volcanic, thrust, jasperoid, and landslide megabreccia (Tertiary to Jurassic) |
| TAgn - Metamorphic igneous complex (Oligocene, Cretaceous, and Jurassic with Paleozoic, Proterozoic, and Archean protolith) |
| TRPzsp - Ultramafic rocks and serpentine (Triassic or Upper Paleozoic) |