Legend (SCAR_GeoMAP/ATA_SCAR_GeoMAP_Geology)

Geologic ages (4) Holocene Quaternary Neogene Paleogene Cenozoic Era Cretaceous Jurassic Triassic Mesozoic Era Permian Carboniferous Devonian Ordovician Silurian Cambrian Paleozoic Era Phanerozoic Eon Neoproterozoic Era Mesoproterozoic Era Paleoproterozoic Era Proterozoic Eon Archean Eon Hadean Eon Precambrian Chronostratigraphic grid (5) Chronostratigraphic units (7) cover sediments cover sediments sedimentary rocks sedimentary rocks sedimentary rocks intrusive rocks cover sediments sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks; Mzp sedimentary rocks volcanic rocks intrusive rocks; Ku metamorphic rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks sedimentary rocks intrusive rocks metamorphic rocks sedimentary rocks intrusive rocks metamorphic rocks sedimentary rocks intrusive rocks metamorphic rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks intrusive rocks sedimentary rocks intrusive rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks sedimentary rocks intrusive rocks metamorphic rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks intrusive rocks metamorphic rocks unassigned lithology intrusive rocks metamorphic rocks intrusive rocks metamorphic rocks Lithostratigraphic units (8) seasonal water ice outcrop of unknown rock type cover sediments cover sediments sedimentary rocks sedimentary rocks sedimentary rocks intrusive rocks cover sediments sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks sedimentary rocks intrusive rocks metamorphic rocks sedimentary rocks intrusive rocks metamorphic rocks sedimentary rocks CYg metamorphic rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks metamorphic rocks sedimentary rocks intrusive rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks sedimentary rocks intrusive rocks metamorphic rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks intrusive rocks metamorphic rocks unassigned lithology intrusive rocks metamorphic rocks intrusive rocks metamorphic rocks Simple geology units (9) Seasonal water and ice Unknown or unclassified rock Unconsolidated colluvium, talus, alluvium and undifferentiated till Youngest glacial gravel, till and supraglacial material (Holocene) Unconsolidated coastal ice-shelf till, beach or lake deposits Older glacial gravel and till (Miocene-Quaternary) Sedimentary rock with interbedded volcanic or volcaniclastic rock Volcanic rock - basalt to rhyolite lava flows and pyroclastic material Intrusive rock - granite, granodiorite, gabbro, or syenite (Eocene-Oligocene) Sedimentary and volcanic rocks, pyroclastic material (Jurassic to Paleogene) Volcanic rock (Jurassic-Paleogene) Ferrar Igneous Province and related volcanic and sedimentary rock (Jurassic) Silicic volcanic and continental sedimentary rock (Jurassic) Unmetamorphosed granitoid, gabbro and other intrusive rock Metamorphosed gneiss and migmatite (Triassic, Cretaceous) Beacon Supergroup and other sandstone-rich sedimentary rock (Devonian-Triassic) Intrusive rock - granitoid, diorite, gabbro and orthogneiss Folded low-grade metasedimentary and metavolcanic rock Low to medium-grade metamorphic rock - schist, marble, metavolcanic, metasandstone High-grade metamorphic rock - orthogneiss, paragneiss, schist and amphibolite Metamorphic and intrusive rock - schist, gneiss, granulite, migmatite and anatectite Mapped faults (11) Fault exposed, location accurate Fault exposed, location approximate Fault concealed, location approximate Fault inferred, location accuracy unknown Geological units gt 500K (13) seasonal water ice outcrop of unknown rock type cover sediments cover sediments sedimentary rocks sedimentary rocks sedimentary rocks intrusive rocks cover sediments sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks sedimentary rocks intrusive rocks metamorphic rocks sedimentary rocks intrusive rocks metamorphic rocks sedimentary rocks intrusive rocks metamorphic rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks intrusive rocks sedimentary rocks intrusive rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks sedimentary rocks intrusive rocks metamorphic rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks intrusive rocks metamorphic rocks unassigned lithology intrusive rocks metamorphic rocks intrusive rocks metamorphic rocks Geological units lt 500K (14) seasonal water outcrop of unknown rock type cover sediments cover sediments sedimentary rocks sedimentary rocks sedimentary rocks intrusive rocks cover sediments sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks sedimentary rocks intrusive rocks metamorphic rocks sedimentary rocks intrusive rocks metamorphic rocks sedimentary rocks intrusive rocks metamorphic rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks metamorphic rocks sedimentary rocks intrusive rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks sedimentary rocks intrusive rocks metamorphic rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks sedimentary rocks volcanic rocks intrusive rocks metamorphic rocks intrusive rocks metamorphic rocks unassigned lithology intrusive rocks metamorphic rocks intrusive rocks metamorphic rocks Simple geology (15) Seasonal water and ice Unknown or unclassified rock Unconsolidated colluvium, talus, alluvium and undifferentiated till Youngest glacial gravel, till and supraglacial material (Holocene) Unconsolidated coastal ice-shelf till, beach or lake deposits Older glacial gravel and till (Miocene-Quaternary) Sedimentary rock with interbedded volcanic or volcaniclastic rock Volcanic rock - basalt to rhyolite lava flows and pyroclastic material Intrusive rock - granite, granodiorite, gabbro, or syenite (Eocene-Oligocene) Sedimentary and volcanic rocks, pyroclastic material (Jurassic to Paleogene) Volcanic rock (Jurassic-Paleogene) Ferrar Igneous Province and related volcanic and sedimentary rock (Jurassic) Silicic volcanic and continental sedimentary rock (Jurassic) Unmetamorphosed granitoid, gabbro and other intrusive rock Metamorphosed gneiss and migmatite (Triassic, Cretaceous) Beacon Supergroup and other sandstone-rich sedimentary rock (Devonian-Triassic) Intrusive rock - granitoid, diorite, gabbro and orthogneiss Folded low-grade metasedimentary and metavolcanic rock Low to medium-grade metamorphic rock - schist, marble, metavolcanic, metasandstone High-grade metamorphic rock - orthogneiss, paragneiss, schist and amphibolite Metamorphic and intrusive rock - schist, gneiss, granulite, migmatite and anatectite Simple lithology (16) Seasonal ice and water Unconsolidated sediment Sedimentary rock Volcanic igneous rock Intrusive igneous rock Low-medium grade metamorphic rock High grade metamorphic rock Unknown or unclassified rock Source maps (17) GeoMAP data quality assessment (18) 5 = Highest 4 3 2 1 = Lowest