CLICK ON A COLORED AREA OF THE GEOLOGY MAP TO SHOW INFORMATION HERE
	wtr	---	water	---
	ice	Holocene	ice	---
	Qd	Holocene	dune sand	---
	Qf	Holocene	artificial fill, including modified land	---
	Qls(i)	Holocene	mass-wasting deposits	incipient blockslides
	Qp	Holocene	peat deposits	---
	Qta	Holocene	talus deposits	---
	Qa	Holocene-Pleistocene	alluvium	---
	Ql	Holocene-Pleistocene	loess	Palouse Formation?
	Qls	Holocene-Pleistocene	mass-wasting deposits, mostly landslides	---
	Qls(m)	Holocene-Pleistocene	mass-wasting deposits, other than landslides	mass-wasting deposits, other than landslides
	Qad	Pleistocene	alpine glacial drift, Fraser-age	---
	Qfg	Pleistocene	outburst flood deposits, gravel, late Wisconsin	Missoula, glacial Lake, deposits of
	Qgl	Pleistocene	glaciolacustrine deposits, Fraser-age	mostly Vashon Stade in western WA; unnamed in eastern WA
	Qt	Pleistocene	terraced deposits	---
	QMs	Pleistocene-Miocene	sedimentary deposits or rocks	---
	PLMcg(b)	Pliocene-Miocene	continental sedimentary deposits or rocks, conglomerate	Brays Landing, conglomerate of
	Mc(e)	Miocene, middle to upper	continental sedimentary deposits or rocks	Ellensburg Formation
	Mva(bm)	Miocene	andesite flows	Burch Mountain, andesite and dacite of
	Mva(sp)	Miocene	andesite flows	Sugarloaf Peak, andesite of
	Mv(gN2)	Miocene, middle	basalt flows	Grande Ronde Basalt, N2 (upper flows of norm.mag.pol.)
	Mv(gN2b)	Miocene, middle	basalt flows	Beaver Creek, basalt of (upper flows of norm.mag.pol)
	Mv(gR2)	Miocene, middle	basalt flows	Grande Ronde Basalt, R2 (upper flows of rev.mag.pol.)
	Mv(wpr)	Miocene, middle	basalt flows	Priest Rapids Member, Wanapum Basalt
	Mvi(gN2k)	Miocene, middle	basalt flows, invasive	Keane Ranch, invasive flow of, GRB, N2
	Mvi(gR2h)	Miocene, middle	basalt flows, invasive	Hammond, invasive flow of, GRB, R2
	Oc(w)	Oligocene	continental sedimentary deposits or rocks	Wenatchee Formation
	Ovr(c)	Oligocene	rhyolite flows	Chikamin Creek, volcanic rocks of
	Ovt(c)	Oligocene	tuffs and tuff breccias	Chikamin Creek, volcanic rocks of
	Ec(2ch)	Eocene	continental sedimentary deposits or rocks	Chumstick Formation
	Ec(2chn)	Eocene	continental sedimentary deposits or rocks	Nahahum Canyon Member, Chumstick Formation
	Ecg(2ch)	Eocene	continental sedimentary deposits or rocks, conglomerate	Chumstick Formation
	Ecg(2chf)	Eocene	continental sedimentary deposits or rocks, conglomerate	Chumstick Formation, monolithologic fanglomerate breccia of
	Ecg(2chr)	Eocene	continental sedimentary deposits or rocks, conglomerate	Chumstick Formation, redbed fanglomerate of
	Eia(d)	Eocene	acidic intrusive rocks	Duncan Hill pluton, dike swarms of
	Eib(d)	Eocene	basic intrusive rocks	Duncan Hill pluton
	Eig(d)	Eocene	granite	Duncan Hill pluton
	Eig(d)	Eocene	granite	Duncan Hill pluton
	Eiq(d)	Eocene	quartz diorite	Duncan Hill pluton
	Eir(d)	Eocene	intrusive rhyolite	Duncan Hill pluton, rhyolite dikes of
	Eir(d)	Eocene	intrusive rhyolite	Duncan Hill pluton, rhyolite dikes of
	Evd(bp)	Eocene	dacite flows	Basalt Peak, porphyritic dacite of
	Evt(cct)	Eocene	tuffs and tuff breccias	Chumstick Formation, coarse-grained tuff of
	Evt(cft)	Eocene	tuffs and tuff breccias	Chumstick Formation, very-fine-grained tuff of
	Evt(cpt)	Eocene	tuffs and tuff breccias	Chumstick Formation, pumiceous tuff of
	Evt(csl)	Eocene	tuffs and tuff breccias	Chumstick Formation, lower tuffaceous sandstone of
	Evt(csu)	Eocene	tuffs and tuff breccias	Chumstick Formation, upper tuffaceous sandstone of
	Evt(cta)	Eocene	tuffs and tuff breccias	Cashmere (a), tuff of, Chumstick Formation
	Evt(ctb)	Eocene	tuffs and tuff breccias	Cashmere (b), tuff of, Chumstick Formation
	Evt(cte)	Eocene	tuffs and tuff breccias	Eagle Creek, tuff of, Chumstick Formation
	pTog(n)	pre-Tertiary	orthogneiss	Napeequa unit, Chelan Mountains terrane
	Kbg(w)	Cretaceous	banded gneiss	Wenatchee Ridge, banded gneiss of
	Kiaa(c)	Cretaceous	alaskite-aplite-pegmatite	Chelan complex
	Kid(s)	Cretaceous	diorite	Mount Stuart batholith
	Kigb	Cretaceous	gabbro	---
	Kigb(e)	Cretaceous	gabbro	Entiat pluton
	Kigb(s)	Cretaceous	gabbro	Mount Stuart batholith
	Kit(e)	Cretaceous	tonalite	Entiat pluton
	Kit(ecc)	Cretaceous	tonalite	Entiat pluton, Chelan complex
	Kit(sc)	Cretaceous	tonalite	Mount Stuart batholith, contact complex of
	Kit(se)	Cretaceous	tonalite	Mount Stuart batholith, eastern pluton
	Kit(sh)	Cretaceous	tonalite	Mount Stuart batholith, Harding Mountain, tonalite of
	Kmg(c)	Cretaceous	migmatite	Chelan complex, migmatite of the
	Kmg(ch)	Cretaceous	migmatite	Chelan complex, amphibolite & hornblende migmatite of the
	Kmi(s)	Cretaceous	mixed metamorphic and igneous rocks	Mount Stuart batholith
	Kog(a)	Cretaceous	orthogneiss	Antoine Creek, hornblende tonalite gneiss of
	Kog(c)	Cretaceous	orthogneiss	Chelan complex
	Kog(cm)	Cretaceous	orthogneiss	Chelan complex, mafic tonalite of
	Kog(df)	Cretaceous	orthogneiss	Dirty Face pluton
	Kog(t)	Cretaceous	orthogneiss	Tenpeak pluton
	Kog(tim)	Cretaceous	orthogneiss	Tenpeak pluton, interlayered and mixed gneisses of
	Kog(w)	Cretaceous	orthogneiss	Wenatchee Ridge, biotite granodiorite gneiss of
	Kog(wr)	Cretaceous	orthogneiss	Wenatchee Ridge, light-colored gneiss of
	Kog(wu)	Cretaceous	orthogneiss	Wenatchee Ridge, light-colored gneiss and ultramafics of
	pKigb(n)	pre-Cretaceous	gabbro	Napeequa Schist
	Jam(i)	Jurassic	amphibolite	Ingalls tectonic complex
	Jhmc(i)	Jurassic	heterogeneous metamorphic rocks, chert-bearing	Ingalls tectonic complex
	Jigb(i)	Jurassic	gabbro	Ingalls tectonic complex
	Jmv(i)	Jurassic	metavolcanic rocks	Ingalls tectonic complex
	Jph(i)	Jurassic	phyllite, low grade	Ingalls tectonic complex
	Ju(i)	Jurassic	ultrabasic rocks	Ingalls tectonic complex
	JTRhm(c)	Jurassic-Triassic	heterogeneous metamorphic rocks	Chiwaukum Schist, Nason terrane
	JTRmb(c)	Jurassic-Triassic	marble	Chiwaukum Schist, Nason terrane
	JTRsc(c)	Jurassic-Triassic	schist, high grade	Chiwaukum Schist, Nason terrane
	JTRsh(c)	Jurassic-Triassic	schist, low grade	Chiwaukum Schist
	JTRsh(cm)	Jurassic-Triassic	schist, low grade	Crook Mountain, schist of
	JTRu	Jurassic-Triassic	ultrabasic rocks	---
	TRhm(c)	Triassic	heterogeneous metamorphic rocks	Cascade River unit, Chelan Mountains terrane
	TRhm(ch)	Triassic	heterogeneous metamorphic rocks	Cas. Riv. unit, hornblende-bearing,Chelan Mtns. terr.
	TRmb(c)	Triassic	marble	Cascade River unit, Chelan Mountains terrane
	TRPMam(n)	Triassic-Permian	amphibolite	Napeequa unit, Chelan Mtns. terr., Napeequa Schist
	TRPMhm(nq)	Triassic-Permian	heterogeneous metamorphic rocks	Napeequa unit, quartzite-bearing, Chelan Mtns. terr.
	TRPMhmc(nh)	Triassic-Permian	heterogeneous metamorphic rocks, chert bearing	Napeequa unit, hornblende-bearing, Chelan Mtns. terr.
	TRPMhmc(nh)	Triassic-Permian	heterogeneous metamorphic rocks, chert bearing	Napeequa unit, hornblende-bearing, Chelan Mtns. terr.
	TRPMhmc(nh)	Triassic-Permian	heterogeneous metamorphic rocks, chert bearing	Napeequa unit, hornblende-bearing, Chelan Mtns. terr.
	TRPMu(n)	Triassic-Permian	ultrabasic rocks	Napeequa unit, Chelan Mountains terrane
	TRPMu(n)	Triassic-Permian	ultrabasic rocks	Napeequa unit, Chelan Mountains terrane
	pCam(s)	Precambrian	amphibolite	Swakane Biotite Gneiss
	pCgn(s)	Precambrian	gneiss	Swakane Biotite Gneiss