Geologic Map of Washington State GEOLOGIC MAP GM-53 by J
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WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES Geologic Map of Washington State GEOLOGIC MAP GM-53 by J. Eric Schuster Key to Geologic Units Division of Geology and Earth Resources 2005 Ron Teissere - State Geologist Qgd 117° Unconsolidated Sediments 118° ‡mt 49° ƒms ‡mt ƒmv Ti 123° ƒms ƒ‡u ƒc ƒc ƒmv 49° 122° ƒog ƒam ƒmv Ti ‡ms ‡gnQgd ƒ‡hm ƒ‡mt ‡ms ƒi ƒ‡mt ƒam Ti Qd Holocene dune sand Qf Pleistocene outburst- S ƒ‡mt ‡i ‡i Qgd Qa 119° Qgd pŒmv Qgd Blaine ‡mv ‡i ‡gn TKgn Qa Qgd CANADA Qgd ƒmt Ti Qd ƒog Big Washington's Geological Survey Since 1890 T Qa Boundary 121° 120° Laurier Boundary ‡pŒms Gypsy flood deposits Sumas ‡mt ƒi Ferry Danville Tv R Point Bay 547 Tvt Tvt Ti Osoyoos Qgd Ti ‡ms Tv Peak ‡gn Qls ƒv ƒc ƒ‡u ƒ‡u ‡ms Sheepƒmv Creek Abercrombie A Roberts Qgd Qa ‡mv ‡ms Ross ƒ‡am USA ƒmt ƒms Qa River Tv 546 Tc Qad Cathedral ƒ‡hm ƒ‡u ƒi Lake Tv ƒc Mountain (7309) I Lynden ƒ‡mt ƒ‡mt Lake River Peak Ti ƒam ƒ‡hm 395 Ti T 5 ‡i Qa ƒmi ƒmv Qgd ƒ‡u Togo (7308) Tvt Ti ƒmv (8601) Qa River rt ‡ms Mount ƒi Tvt Mountain Ti ƒi Northpo O Birch Nooksack Redoubt ƒ‡u ƒi Tvt ƒmt Ti ‡ms Everson (6148) Tvt Deep ‡pŒms Qa Quaternary alluvium Qgd Pleistocene F Bay ƒms ‡gn ƒms ‡mt Ti (8956)Qad Qls ƒm Qa Tv Tv Nooksack 542 Tc Oroville Ket ƒ‡u ƒms ‡mv Creek ‡mv ƒi ‡ms Tvt pŒms pŒi continental glacial G 9 ƒ‡u Qad Qls Creek tle Ti Qgd 548 Tv ƒ‡u Tv ƒms Metaline Falls Qls Qls Palmer ƒgn Ket Qgd E 544 ‡gn North Fork ƒi Qls ƒi ƒms Creek drift O River Tc ƒmv ayten ƒi Lake ƒi Tv ƒog Curlew Qgd Tvt TKi Qf pŒms Tc Tc Qa ƒ‡hm tle Qgd Qa Tv ƒi Tvt ‡mt Metaline Sullivan R Tc ‡mv ƒms Pas ƒog TKi North Qgd G ‡ms ‡ms ƒi 97 21 Ti ‡pŒms Ferndale 539 ‡mt Qls Qv Myers ƒ‡hm ColumbiaQf I Ti ƒ‡hm ƒmv ‡ms ƒgn For Creek A Qa Qls Lak Toroda k Qgd Qgd Qls Quaternary mass- Qad Pleistocene alpine Ti ƒi Sullivan N S W H A T C O M Qvt Mount Mount ‡ms Qgd ƒ‡hm Qgd e ƒi ƒi ƒgn Tvt River Lake I Patos Qa Qgd 542 Shuksan Qad Lago Loomis wasting deposits glacial drift Deming Qvt ƒ‡mt Qad Tvt Qa ƒmv ƒ‡hm ƒmv ƒi Is ‡mv (9127) ƒc (8745) ƒv Creek TKi Tv Tc A pŒmv Qls Ti Tvt Mount Qgd ‡mv Tvt Qa Fury ƒc ƒog Creek pŒi Tc ‡gn Ti Mount E T Mount ƒi Creek Tc (8300) ƒv ƒog Tc Bonaparte G Ti Lummi Baker River TKgn Curlew er Ti Ione Jack d N Matia Qgd Qv Qad (7258) l pŒi Sucia Island Qad River ƒi Lake ƒ‡mt N ƒn 9 Mtn ƒi ƒ‡hm Ti ƒ‡mt South u Is (10,785) Eightmile Fork o 25 Ql Quaternary loess Is ƒmt Bellingham Tv Qa A pŒmv Qgd ƒn Tc Qvt Qls River ƒmi ƒ‡hm B ‡pŒms Qgd U Waldron Tc Qls (9066) Tv ‡ms Qa t Tvt R ƒn Eastsound Tc Harts ƒm Tvt ‡ms Qgd Qls 31 ƒi Island Los ƒi Wauconda ‡ms O SCALE 1:500 000 ƒn ‡mt ‡ms Baker Baker Qa Sinlahekin ƒmt pŒms ƒn ƒ‡mt TKi Pass Tv TKi Copper Ti Qf pŒi ‡i Lake Diablo Creek (6198) Robinson ) ( Summit ƒ‡hm 10 0 10 20 30 40 MILES Stuart Lake ‡gn ƒ‡mt Tc TKog Diablo ƒ‡u ƒ‡hm Tonasket (4310) Ti Butte pŒmv pŒms M Island Qgd ‡mt ‡gn ) ( Mtn Qf Qd Qgd Mount ƒms Qgd 20 Canyon (8726) Ti ƒms Tvt ƒmt ƒ‡mt Tvt (7135) ƒog ƒam ‡ms Constitution Whatcom Qa Lake ƒms Creek Qls ƒn ‡mv ‡i ‡gn ƒc Creek ƒi ƒn Orcas (2407) ƒmt Tc South ƒmv Newhalem ƒ‡hm ƒc Tc 20 ƒ‡hm Qgd 10 0 10 20 30 40 50 KILOMETERS ƒn ‡i ƒms ‡mv ‡i Bonaparteƒog Tc ‡i Qv Ti Granite Tiffany Qls Marcus ‡mv Island ƒms ƒog Pen Sedimentary Rocks and Deposits ƒms ƒ‡u Tv ƒi Qgd TKi ƒ‡hm Sinclair ƒmt Mountain Qa ƒgn Kettle Ti ƒi Chewuch Tc Sherman ‡i Qad ƒ‡hm Qa ƒms (8242) ƒi Qa Qgd River d S A N Is ‡i Qgd Qgd ƒ‡hm Republic Pass ƒam Falls 1 inch on the map represents approximately 8 miles on the ground. ‡i ƒ‡mt Qa River ƒv ƒ‡hm QTc Quaternary–Tertiary Tn Tertiary nearshore Roche ƒmt Methow ƒ‡mt (5575)) ( ƒmt ƒmtCreek Qls Creek ƒi Strait ƒms Samish Qls ƒms ƒc O K A N O G A N Harbor ƒ‡u Fork RiverQad Qad ƒi Tv Qgd Qgd Mill Old Dominion 20 continental sedimentary rocks 1 centimeter on the map represents 5 kilometers on the ground. ‡i ‡i TKi Ti Qa ƒi P E N D O R E I L L E ‡ms Shaw Bay ƒ‡u Qa R Tv ‡pŒms Peak North ƒ‡u ƒmv ƒmv ƒms ƒ‡mt ƒog Qgd Snow 20 sedimentary rocks Blakely ƒmv E Island ƒ‡u ƒ‡u Qls ƒmv ‡ms ‡ms Tv CreekQls (5773) Baldy Friday Island Lake Riverƒgn TKi Peak Sherman Tvt Elevations are in feet. San ƒ‡u Qls ƒi Tvt ƒog Tv V (6173) and deposits Shannon (7103) I Oreille Haro Strait ƒms Harbor Qgd ƒ‡u Qad Mazama ƒi Guemes Mount A N G E Conconully ƒ‡hm Colville ƒi Qgd ‡ms ‡i R Juan ƒ‡u ƒmt ƒ‡hm ƒms Tunk Ti J U A N ƒm Cypress Island 11 Concrete ‡ms ƒhm Logan 20 Mountain Ti Oreille ‡pŒms ‡ms ƒi 48°30¢ Tc Tertiary continental Lyman ƒi Ti ƒc ƒm ƒog Conconully ƒn Mesozoic nearshore Qgd Island Sedro (9087) ƒi ƒms (6054) ƒ‡mt ‡mv pŒhm Qgd Decatur ( ) ‡mv Island Qgd Woolley 20 Qa Qgd R Washington ƒi Lake ƒ‡hm Tu n Qgd TKi sedimentary rocks 48°30¢ Is ƒ‡u Anacortes Qa Qvt Tc Marblemount Rainy Pass ƒmi k ƒog ƒ‡hm ƒi ƒi sedimentary rocks ‡ms Lopez ‡i ‡mv Pass Qgd S T E V E N S Hamilton (4855)) (ƒmt Creek ƒ‡hm pŒms‡ms Qgd pŒi Cascade ƒog Ti (5477) Qgd tz ƒi Qls Riverside Creek Qls River ‡mt ‡ms ƒog Qgd ‡pŒms Pen tz Island ƒi Padilla Burlington Tc River ƒ‡u Qa ƒ‡hm d Bay Skagit ƒm ƒam Little tz Qf Cape ƒi ƒm ƒv Qgd Skagit ƒi ƒmt ƒgn Qgd pŒms ƒmv S K A G I T ‡i Qa Cascade Stehe ƒmv TKi Flattery ƒc ƒ‡u E Tc TKog Colville395 ƒi pŒmv Tc Calispell Rosario Tc Pass (5400) ƒmv Fidalgo L ƒc Mesozoic continental ) ( Winthrop Omak Ti Peak Tm Tertiary marine Neah Bay Is kin Qgd t Qls Qad Mountain T ‡ms K (6855) ‡pŒms Tm 538 Los Hall sedimentary rocks CANADA Qvt ƒ‡am Qls ƒhm Qls Qd T sedimentary rocks ƒv Qa ƒ‡u ƒmv Sauk ƒi (5749) TKi ‡pŒms R ƒms ƒ‡u ƒ‡u ƒv ƒc Qgd E Qf Qa ƒms Qgd ƒms ƒms Qls ƒc Omak ƒ‡hm Grizzly I Mount Finney Creek ‡i ƒog KMountain Tc Tv ƒms La Conner ƒ‡hm ƒog Qf K 20 ƒms Qad Qad Tv Ti (6381) 112 Qd Vernon Tc ƒ‡hm Ti ƒms ƒi Qf USA 124° Qgd ƒmv ƒi ƒi ƒc ) ( ƒi Tvt ‡i pŒmv L Tvt ƒ‡u ƒmv Tw i ƒ‡hm ‡mv ‡ms River Moses Tv E Qgd pŒi Qvt ƒi ƒog sp ƒi Qgd Mountain ƒ‡hm Creek Tv ƒm Mesozoic marine S Tv ƒ‡hm 20 Loup Loup TKi TKi ƒog ‡ms S Qf Tv Tm T ƒmv Tc Qgd ƒmv Tc River Twisp Summit (6774) pŒms Cusick River Bead R ‡mv Qgd Lake sedimentary rocks Qa Whidbey Lake Ti TKi (4020) ƒmi Omak Creek A Cava Tv Ti Okanogan ‡mv Qgd Tvt Clallam I 534 naugh Qls ƒ‡hm ƒi F E R R Y Qa T ‡i Tc ƒmv Qa ƒ‡hm ƒv TKi tz Qgd Inchelium Gifford ‡pŒms Chewelah Tc Tv ƒv Bay OF ƒi ‡gn ƒi Tc ƒog Sanpoil Chewelah ƒi Tvc Oak Tn ƒ‡u ƒ‡u ƒ‡u ƒog Qgd Qgd Mountain Qf River JU ‡ms ƒog Qa ‡ms A Harbor Qls ƒhm Stehekin tz ƒ‡hm Omak pŒi (5773) Tc Tm N A Qd ƒmt Stillaguamish Qgd Disautel ƒi Qf ƒi tz Qf Tn C Qgd ‡i Qa Qgd Qls ƒmt Qgd Lake Summit ) ( ƒ‡u River ‡pŒms pŒhm D E U I S L A N D 5 ƒi ƒ‡u Ti Tw in TKi pŒmv ‡ms Volcanic Rocks and Deposits F ƒ‡mt Fork Suiattle tz (3252) pŒmv pŒms Hoko 20 530 Qa ‡i Ti ƒhm 153 Tvcr Lakes Tvt Qa 155 Qf pŒi Qls Stanwood Qvt Darrington River Qad ƒi ƒog Okanogan Tv 21 Tv North ƒi Bonanza Ti Ti River ƒ‡u Qv Quaternary volcanic Tv Tertiary volcanic Coupeville Stillaguamis532 9 ƒmt ƒ‡mt Peak 97 ƒmi tz c Camano Qgd ƒms tz S TKi Qgd River ƒ‡hm (9511) A ƒv Owhi TKi ‡mv rocks rocks, Crescent Qa W Qd ƒ‡u ƒi Qf Newport Qa Saratoga ƒms ƒgn ƒhm Qa Qgd ƒmi Lake River ‡ms Ti Qgd Tvt Dungeness Spit Island h ƒi Qls T Qls 112 Qa Tvc Qgd ƒ‡mt ‡i ƒgn ƒog TKog O Qa Waitts Formation Qa River Ti O Gold Cr Qls tz Admiralty Qad Qa Qgd ‡ms a i n Lake Qgd Lucerne T Qf Qa Qgd Qgd 20 ƒog Qvt ƒ‡hm Tvt pŒi 113 Tm H ƒmi Lake Arlington ‡i Qgd ƒmv Holden eek Methow Qa ƒ‡u ‡pŒms pŒi Tm Qgd Port Qa Qf 211 TKi Ozette South ƒ‡am ƒ‡u White Ti ƒm ƒ‡hm TKi ƒi Tv pŒms Ti Tv Qd 531 Qls Qad ƒ‡hm Nespelem Ti Tv Qa Diamond QTv Quaternary–Tertiary ƒv Mesozoic volcanic Tm Qgd Angeles Qls ƒ‡mt Ti Tvt Chuck Qls ‡ms Deer Ql Qgd Port ƒi Qd Qf Qf Lake volcanic rocks rocks Tv River Tc ‡ms Qv ƒmt Nespelem Qf Lake River ƒog Qa Tv Tvc Qls Lake Tv Townsend Tn ƒ‡u Qvt ƒi Qa Qa Marrowstone Glacier Tv Qgd N Lake Crescent River Qv R Qa Pas ƒi Qf Ti in Qa y M o u n t pŒhm Sequim Qgd For S N O H O M I S H Peak ID Ti Qf e Qgd 101 20 Island G ƒog Brewster Qls Ql m Qgd Qls sage Qgd k (10,541) Qls ƒi E i Tv Qf River ƒmi Buffalo le ƒi Tvt 292 Ql Tm Sol Tm Tv Qls Creek Tc Springdale Granite ƒms Qvt Pyramid Qa Rufus TKi Lake Keller ‡pŒms ƒi 525 Stillaguamish Qv Mtn 173 ƒ‡hm TKi Ti pŒms Qa ‡ms Tvcr Tertiary volcanic Qvt Quaternary fragmental 48° Calawah Tm Falls Ti Woods Columbia Tvcr Loon ‡pŒms Eloika ƒi River Tvc Qls ƒms Pateros Lake Qgd Qf Qf ‡pŒms Lake 2 rocks, Columbia volcanic rocks and O L Y M P I C Elwah M O U N T Qf Langley Ti River Qgd ƒi Qad (8245) Ti ‡ms Lake ƒog Fk Tv 116 Marysville Qgd Tc Qls Qgd Tv ƒi Lake H u c k l e b e r r Qf 48° Qa Tv 92 ƒhm Qls Tvcr River TKi Qgd Qa River Basalt Group deposits (includes Qls c Inlet Qgd ƒms Tc Tv ƒi Qa N Duc Qad Island Lake ƒi Ti Qa ƒ‡hm ƒ‡hm Qf cr Qd Qls Tm Tvt Tc ƒhm Chelan Qgd RiverQf lahars) S Fk Tm Ti Stevens ƒ‡u Qa Qad ƒ‡hm ƒmi ƒi Elmer Tn 110 Forks 19 Ti 97 Lake Qgd ‡ms 25 Tv Qgd 395 Qa Tm Tv Qgd Tvc Clinton Lake Qgd ƒog Qv C A S C A D E C ƒ‡hm Qgd City Ti ‡ms 231 TKi Calawah Qa Qf Chiwawa C H E L A N Bridgeport Qgd Tvcr Ql Deer Park Tv Tertiary volcanic Tvt Tertiary fragmental River Qa Stevens I ƒgn Tv H ƒmi Pateros Ql ‡ms TKi Qls Qf Tm River ƒmt E 174 Ql Tvcr Ti Qf Mount La Push EVERETT Snoho Tn ƒmv Monte Qv L Qls Tvcr rocks volcanic rocks Qgd Spada Tvt E Qgd A Qgd Coulee Dam Qf Tvt Spokane Qad C L A L L A M Cristo ƒi Ti N Qls River Tvc N Qls Grand Coulee Qf Fra (5867) Lake sevelt Peak Ti Tc Qls T TKi Qf ƒ‡hm Qls Qa Mukilteo mish ƒi Sultan Tv (7233) Qa I A ƒmi ƒog 17 Qls Ql Tn ƒhm Qls Tc East pŒms Ql Qf nklin ‡ms Qd Tc Qls Qls Longfellow ƒms T Foster Qls Qd Tm Tv Qgd Snohomish Tvt M Roo ƒi Bogachiel River c Qad Qls Mountain White Qf Creek Electric Ti ƒmi Ql Spokane Qls 104 Qa River M O Qf Qls ‡pŒms 525 River (6577) Qa Tv ƒog Dungeness Tc Qf City cr