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CLICK ON A COLORED AREA OF THE GEOLOGY MAP TO SHOW INFORMATION HERE |
|
wtr |
--- |
water |
--- |
|
ice |
Holocene |
ice |
--- |
|
Qa |
Holocene |
alluvium |
--- |
|
Qa |
Holocene |
alluvium |
--- |
|
Qa |
Holocene |
alluvium |
--- |
|
Qa |
Holocene |
alluvium |
--- |
|
Qa |
Holocene |
alluvium |
--- |
|
Qad(o) |
Holocene |
alpine glacial drift,
Fraser-age |
older subdrift |
|
Qad(y) |
Holocene |
alpine glacial drift,
Fraser-age |
younger subdrift |
|
Qaf |
Holocene |
alluvial fan deposits |
--- |
|
Qd |
Holocene |
dune sand |
--- |
|
Qf |
Holocene |
artificial fill, including
modified land |
--- |
|
Qp |
Holocene |
peat deposits |
--- |
|
Qta |
Holocene |
talus deposits |
--- |
|
Qta(r) |
Holocene |
talus deposits |
regolith |
|
Ql |
Holocene-Pleistocene |
loess |
Palouse Formation |
|
Qls |
Holocene-Pleistocene |
mass-wasting deposits,
mostly landslides |
--- |
|
Qls |
Holocene-Pleistocene |
mass-wasting deposits,
mostly landslides |
--- |
|
Qao(lb) |
Pleistocene |
alpine glacial outwash,
Fraser-age |
Lakedale Drift, Bullfrog
subdrift |
|
Qao(lb) |
Pleistocene |
alpine glacial outwash,
Fraser-age |
Lakedale Drift, Bullfrog
subdrift |
|
Qao(lb) |
Pleistocene |
alpine glacial outwash,
Fraser-age |
Lakedale Drift, Bullfrog
subdrift |
|
Qao(ld) |
Pleistocene |
alpine glacial outwash,
Fraser-age |
Lakedale Drift, Domerie
subdrift |
|
Qao(lr) |
Pleistocene |
alpine glacial outwash,
Fraser-age |
Lakedale Drift, Ronald
subdrift |
|
Qap(l) |
Pleistocene |
alpine glacial drift,
pre-Fraser |
Lookout Mountain Ranch
Drift |
|
Qapo(k) |
Pleistocene |
alpine glacial outwash,
pre-Fraser |
Kittitas Drift,
undifferentiated |
|
Qapo(ki) |
Pleistocene |
alpine glacial outwash,
pre-Fraser |
Kittitas Drift, Indian John
subdrift |
|
Qapo(ki) |
Pleistocene |
alpine glacial outwash,
pre-Fraser |
Kittitas Drift, Indian John
subdrift |
|
Qapo(ks) |
Pleistocene |
alpine glacial outwash,
pre-Fraser |
Kittitas Drift,Swauk
Prairie subdrift |
|
Qapo(ks) |
Pleistocene |
alpine glacial outwash,
pre-Fraser |
Kittitas Drift,Swauk
Prairie subdrift |
|
Qapt(k) |
Pleistocene |
alpine glacial till,
pre-Fraser |
Kittitas Drift,
undifferentiated |
|
Qapt(ki) |
Pleistocene |
alpine glacial till,
pre-Fraser |
Kittitas Drift, Indian John
subdrift |
|
Qapt(ks) |
Pleistocene |
alpine glacial till,
pre-Fraser |
Kittitas Drift,Swauk
Prairie subdrift |
|
Qat(lb) |
Pleistocene |
alpine glacial till,
Fraser-age |
Lakedale Drift, Bullfrog
subdrift |
|
Qat(lh) |
Pleistocene |
alpine glacial till,
Fraser-age |
Lakedale Drift, Hyak
subdrift |
|
Qfg |
Pleistocene |
outburst flood deposits,
gravel, late Wisconsin |
Missoula, glacial Lake,
deposits of |
|
Qfg |
Pleistocene |
outburst flood deposits,
gravel, late Wisconsin |
Missoula, glacial Lake,
deposits of |
|
Qfg |
Pleistocene |
outburst flood deposits,
gravel, late Wisconsin |
Missoula, glacial Lake,
deposits of |
|
Qfg |
Pleistocene |
outburst flood deposits,
gravel, late Wisconsin |
Missoula, glacial Lake,
deposits of |
|
Qfg |
Pleistocene |
outburst flood deposits,
gravel, late Wisconsin |
Missoula, glacial Lake,
deposits of |
|
Qfg |
Pleistocene |
outburst flood deposits,
gravel, late Wisconsin |
Missoula, glacial Lake,
deposits of |
|
Qfg |
Pleistocene |
outburst flood deposits,
gravel, late Wisconsin |
Missoula, glacial Lake,
deposits of |
|
Qfg |
Pleistocene |
outburst flood deposits,
gravel, late Wisconsin |
Missoula, glacial Lake,
deposits of |
|
Qfg |
Pleistocene |
outburst flood deposits,
gravel, late Wisconsin |
Missoula, glacial Lake,
deposits of |
|
Qfs |
Pleistocene |
outburst flood deposits,
late Wisconsin |
Missoula, glacial Lake,
deposits of |
|
Qfs |
Pleistocene |
outburst flood deposits,
late Wisconsin |
Missoula, glacial Lake,
deposits of |
|
Qla(ki) |
Pleistocene |
lacustrine deposits |
Kittitas Drift, Indian John
subdrift |
|
Qla(kso) |
Pleistocene |
lacustrine deposits |
Kittitas Drift, Swauk
Prairie subdrift, older |
|
Qla(ksy) |
Pleistocene |
lacustrine deposits |
Kittitas Drift, Swauk
Prairie subdrift, younger |
|
Qls |
Pleistocene |
mass-wasting deposits,
mostly landslides |
--- |
|
Qls |
Pleistocene |
mass-wasting deposits,
mostly landslides |
--- |
|
Qls |
Pleistocene |
mass-wasting deposits,
mostly landslides |
--- |
|
Qoa |
Pleistocene |
alluvium, older |
--- |
|
Qt |
Pleistocene |
terraced deposits |
--- |
|
Qt |
Pleistocene |
terraced deposits |
--- |
|
Qt |
Pleistocene |
terraced deposits |
--- |
|
Qt |
Pleistocene |
terraced deposits |
--- |
|
Qt |
Pleistocene |
terraced deposits |
--- |
|
Qt |
Pleistocene |
terraced deposits |
--- |
|
Qt |
Pleistocene |
terraced deposits |
--- |
|
Qt |
Pleistocene |
terraced deposits |
--- |
|
Qt |
Pleistocene |
terraced deposits |
--- |
|
Qt |
Pleistocene |
terraced deposits |
--- |
|
PLcg(t) |
Pliocene |
continental sedimentary
deposits, conglomerate |
Thorp Gravel |
|
PLcg(t) |
Pliocene |
continental sedimentary
deposits, conglomerate |
Thorp Gravel |
|
PLMa |
Pliocene-Miocene |
alluvium |
--- |
|
Mvl |
Miocene, upper |
lahars |
--- |
|
Mc(e) |
Miocene, mid-upper |
continental sedimentary
deposits, conglomerate |
Ellensburg Formation |
|
Mls |
Miocene |
mass-wasting deposits,
mostly landslides |
--- |
|
Mls |
Miocene |
mass-wasting deposits,
mostly landslides |
--- |
|
Mvc(e) |
Miocene |
volcaniclastic deposits or
rocks |
Ellensburg Formation |
|
Mc(ev) |
Miocene, middle |
continental sedimentary
deposits, conglomerate |
Ellensburg Formation,
Vantage Member |
|
Mv(gN1) |
Miocene, middle |
basalt
flows |
Grande Ronde Basalt, N1
(lower flows of norm.mag.pol.) |
|
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(gN2r) |
Miocene, middle |
basalt
flows |
Rocky Point, 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(wfs) |
Miocene, middle |
basalt
flows |
Frenchman Springs Member,
Wanapum Basalt |
|
Mv(wpr) |
Miocene, middle |
basalt
flows |
Priest Rapids Member,
Wanapum Basalt |
|
Mv(wr) |
Miocene, middle |
basalt
flows |
Roza Member, Wanapum Basalt |
|
Mvi(gN2d) |
Miocene, middle |
basalt flows, invasive |
Duffy Creek, invasive flow
of, GRB, N2 |
|
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 |
|
Mvi(gR2o) |
Miocene, middle |
basalt flows, invasive |
Howard Creek, invasive flow
of,GRB,R2 |
|
Oc(w) |
Oligocene |
continental sedimentary
deposits, conglomerate |
Wenatchee Formation |
|
Oian(h) |
Oligocene |
intrusive andesite |
Horse Lake Mountain complex
(intrudes Chumstick Fm.) |
|
Oian(h) |
Oligocene |
intrusive andesite |
Horse Lake Mountain complex
(intrudes Chumstick Fm.) |
|
Oian(h) |
Oligocene |
intrusive andesite |
Horse Lake Mountain complex
(intrudes Chumstick Fm.) |
|
OEian |
Oligocene-Eocene |
intrusive andesite |
--- |
|
Ec(1m) |
Eocene |
continental sedimentary
deposits, conglomerate |
Manastash Formation |
|
Ec(1s) |
Eocene |
continental sedimentary
deposits, conglomerate |
Swauk Formation |
|
Ec(1s) |
Eocene |
continental sedimentary
deposits, conglomerate |
Swauk Formation |
|
Ec(1s) |
Eocene |
continental sedimentary
deposits, conglomerate |
Swauk Formation |
|
Ec(1sa) |
Eocene |
continental sedimentary
deposits, conglomerate |
Swauk Formation, arkosic |
|
Ec(1si) |
Eocene |
continental sedimentary
deposits, conglomerate |
Swauk Formation, ironstone
of |
|
Ec(2ch) |
Eocene |
continental sedimentary
deposits, conglomerate |
Chumstick Formation |
|
Ec(2chn) |
Eocene |
continental sedimentary
deposits, conglomerate |
Nahahum Canyon Member,
Chumstick Formation |
|
Ec(2rl) |
Eocene |
continental sedimentary
deposits, conglomerate |
Roslyn Formation, lower
member of |
|
Ec(2rm) |
Eocene |
continental sedimentary
deposits, conglomerate |
Roslyn Formation, middle
member of |
|
Ec(2ru) |
Eocene |
continental sedimentary
deposits, conglomerate |
Roslyn Formation, upper
member of |
|
Ecg(1sf) |
Eocene |
continental sedimentary
deposits, conglomerate |
Swauk Formation,
fanglomerate of |
|
Ecg(2ch) |
Eocene |
continental sedimentary
deposits, conglomerate |
Chumstick Formation |
|
Ecg(2chr) |
Eocene |
continental sedimentary
deposits, conglomerate |
Chumstick Formation, redbed
fanglomerate of |
|
Eib |
Eocene |
basic intrusive rocks |
--- |
|
Eib(c) |
Eocene |
basic intrusive rocks |
Camas Land, diabase of |
|
Eigb |
Eocene |
gabbro |
--- |
|
Eir |
Eocene |
intrusive rhyolite |
--- |
|
Eva(p) |
Eocene |
andesite flows |
Peoh Point, andesite of |
|
Eva(ss) |
Eocene |
andesite flows |
Silver Pass Member, Swauk
Formation |
|
Eva(t) |
Eocene |
andesite flows |
Taneum Andesite |
|
Evb(ch) |
Eocene |
basalt flows |
Chumstick Formation, basalt |
|
Evb(fm) |
Eocene |
basalt flows |
Frost Mountain, basalt of |
|
Evb(t) |
Eocene |
basalt flows |
Teanaway Basalt |
|
Evr |
Eocene |
rhyolite flows |
--- |
|
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 |
|
Kida(s) |
Cretaceous |
intrusive dacite |
Mount Stuart batholith |
|
Kigd(s) |
Cretaceous |
granodiorite |
Mount Stuart batholith |
|
Kigd(s) |
Cretaceous |
granodiorite |
Mount Stuart batholith |
|
Kiq(s) |
Cretaceous |
quartz diorite |
Mount Stuart batholith |
|
Kit(sc) |
Cretaceous |
tonalite |
Mount Stuart batholith,
contact complex of |
|
Jam(i) |
Jurassic |
amphibolite |
Ingalls tectonic complex |
|
Jar(ip) |
Jurassic |
argillite |
Ingalls tectonic complex,
Peshastin Formation |
|
Jib(i) |
Jurassic |
basic intrusive rocks |
Ingalls tectonic complex |
|
Jmv(ih) |
Jurassic |
metavolcanic rocks |
Ingalls tectonic complex,
Hawkins Formation |
|
Jsc(ih) |
Jurassic |
schist, high grade |
Ingalls tectonic complex,
Hawkins Formation |
|
Ju(i) |
Jurassic |
ultrabasic rocks |
Ingalls tectonic complex |
|
Ju(isc) |
Jurassic |
ultrabasic rocks |
Ingalls tectonic complex,
silicate-carbonate rock of |
|
pJph |
pre-Jurassic |
phyllite, low grade |
--- |
|
pJsh |
pre-Jurassic |
schist, low grade |
--- |
|
pCgn(s) |
Precambrian |
gneiss |
Swakane Biotite Gneiss |
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