ORGEOL.PAT (polygon and point coverage): ORLEGEND.PAT (Same attributes as ORGEOL.PAT except attribute FMTNSYM in which a few of the letters in PTYPE have been changed): PTYPE AGE-EPOCH LITHOLOGY Qyb Holocene YOUNGEST BASALT AND BASALTIC ANDESITE Qal Holocene ALLUVIAL DEPOSITS Qpl Holocene PLAYA DEPOSITS Qd Holocene DUNE SAND Qt Holocene, Pleistocene TERRACE, PEDIMENT, AND LAG GRAVELS Qls Holocene, Pleistocene LANDSLIDE AND DEBRIS-FLOW DEPOSITS Qf Holocene?, Pleistocene FANGLOMERATE Qlb Holocene, Pleistocene LATE BASALT Qg Pleistocene GLACIAL DEPOSITS Qs Pleistocene LACUSTRIAN AND FLUVIAL SEDIMENTARY ROCKS Qb Holocene, Pleistocene BASALT AND BASALTIC ANDESITE QTp Holocene, Pleistocene, Pliocene, Miocene? PYROCLASTIC ROCKS OF BASALTIC AND ANDESITIC CINDER CONES: BASALTIC AND ANDESITIC EJECTA QTps Holocene, Pleistocene, Pliocene, Miocene? PYROCLASTIC ROCKS OF BASALTIC AND ANDESITIC CINDER CONES: SUBAQUEOUS BASALTIC AND ANDESITIC EJECTA QTvs Pleistocene, Pliocene SILICIC VENT DEPOSITS QTvm Pleistocene, Pliocene, Miocene? MAFIC VENT DEPOSITS QTg Pleistocene, Pliocene TERRACE AND PEDIMENT GRAVELS QTs Pleistocene, Pliocene SEDIMENTARY ROCKS QTb Pleistocene, Pliocene BASALT Tvs Pliocene, Miocene, Oligocene, Eocene? SILICIC VENT ROCKS Tob Pliocene, Miocene OLIVINE BASALT Ts Pliocene, Miocene TUFFACEOUS SEDIMENTARY ROCKS AND TUFF Tat lower Pliocene, upper Miocene SILICIC ASH-FLOW TUFF Tstv Pliocene?, Miocene STRAWBERRY VOLCANICS Trh Pliocene?, Miocene RHYOLITIE AND DACITE Tvm Pliocene?, Miocene MAFIC AND INTERMEDIATE VENT ROCKS Tvm Pliocene?, Miocene PYROCLASTIC ROCKS OF BASALTIC CINDER CONES Tp lower Pliocene?, Miocene? BASALTIC AND ANDESITIC EJECTA Tps lower Pliocene?, Miocene? SUBAQUEOUS PYROCLASTIC ROCKS OF BASALTIC CINDER CONES Tb upper and middle Miocene BASALT Tlf Miocene LACUSTRIAN AND FLUVIAL DEPOSITS Tc Miocene COLUMBIA RIVER BASALT GROUP AND RELATED FLOWS Twt upper? and middle Miocene WELDED TUFFS AND TUFFAECOUS SEDIMENTARY ROCKS Tts Miocene TUFFACEOUS SEDIMENTARY ROKCS, TUFFS, PUMICITES, AND SILCIC FLOWS Tba Miocene BASALT AND ANDESITE Tbas ANDESITIC AND BASALTIC ROCKS ON STEENS MOUNTAIN Tr Miocene, upper Eocene? RHYOLITE AND DACITE DOMES AND FLOWS AND SMALL HYPABYSSAL INTRUSIVE BODIES Tsf lower Miocene, Oligocene, upper Eocene? RHYOLITIC TUFF, TUFFACEOUS SEDIMENTARY ROCKS, AND LAVA FLOWS Tas Miocene?, Oligocene ANDESITE AND DACITE AND SEIDMENTARY ROCKS Tca lower Oligocene?, Eocene, Paleocene? CLASTIC ROCKS AND ANDESITE FLOWS Js Jurassic SEDIMENTARY ROCKS JTRsv Jurassic and upper Triassic SEDIMENTARY AND VOLCANIC ROCKS JTRs Jurassic and upper Triassic SEDIMENTARY ROCKS (JURASSIC AND UPPER TRIASSIC) TRs upper and middle Jurassic and upper Triassic MARINE SEDIMENTARY ROCKS TRv uppper Triassic VOLCANIC AND METAVOLCANIC ROCKS TRv Triassic and Paleozoic ULTRAMAFIC AND MAFIC INTRUSIVE ROCKS AND SERPENTINIZED EQUIVALENTS TRPZu Triassic and Paleozoic ULTRAMAFIC ROCKS TRPZg Triassic and Paleozoic GABBROIC ROCKS mr Mesozoic and Paleozoic MIXED ROCKS TRPZs Triassic and Paleozoic SEDIMENTARY ROCKS, PARTLY METAMORPHOSED TRPZsn Triassic and Paleozoic MARBLE TRPv Triassic and Permian VOLCANIC ROCKS PZs Paleozoic SEDIMENTARY ROCKS, PARTLY METAMORPHOSED PZsv Paleozoic SEDIMENTARY AND VOLCANIC ROCKS, PARTLY METAMORPHOSED Tim Pliocene, Miocene MAFIC AND INTERMEDIATE INTRUSIVE ROCKS Tvi Eocene? MAFIC VENT AND INTRUSIVE ROCKS KJi Cretaceous and Jurassic INTRUSIVE ROCKS JTRgd Jurassic and Triassic GRANITE AND DIORITE Kc upper and lower Cretaceous CLASTIC SEDIMENTARY ROCKS Qma Holocene MAZAMA ASH DEPOSITS Qmp Holocene MAZAMA PUMICE DEPOSITS Qba Holocene?, Pleistocene BASALTIC ANDESITE AND BASALT QTmv Pleistocene, Pliocene, Miocene MAFIC VENT COMPLEXES QTba Pleistocene, Pliocene BASALT AND BASALTIC ANDESITE Trb Pliocene, upper Miocene RIDGE-CAPPING BASALT AND BASALTIC ANDESITE Tmv Miocene MAFIC VENT COMPLEXES Tu Miocene, Oligocene UNDIFFERENTIATED TUFFACEOUS SEDIMENTARY ROCKS, TUFFS, AND BASALT Tus Miocene, Oligocene SEDIMENTARY AND VOLCANICLASTIC ROCKS Tub Miocene, Oligocene BASALTIC LAVA FLOWS Tib Pliocene, Miocene, Oligocene BASALT AND ANDESITE INTRUSIONS