stratigraphic column - utah geological...
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STRATIGRAPHIC COLUMN
Ma SystemSeries
andStage
Map Unit NotesMap Symbol
Plate Tectonic Setting
DepositionalEnvironment
Dominant Rock Typeand Weathering Profile
Thicknessfeet meters
Intrusive units andadditional lumped units40Ar/39Ar ages
Qua
tern
ary
Hol
ocen
ean
dP
leis
toce
ne
1.8
5.3
11.6
16.0
23.0
28.4
33.9
65.5
99.6145.5
175.6
199.6
228.0
251.0
299.0
318.1
359.2
416.0
501.0
542.0
513.0
Surficial depositsand
basaltic lava flowsVariousQ, QT
Plio
cene
low
er a
nd u
pper Basin-fill
sedimentaryrocks
MuddyCreekFm.
young rhyolite and dacite lava
flowsold boulder gravel depositsup
per
mid
dle
middle rhyolite and dacite lava
flows
Ox Valley TuffKane Wash Tuff
Ts
Qb
Tb
TmcbTmc
Trdy
Trdm
To 400030
1500
1100
1600 500
250 75
160 50
335
450
200 60
101200
Tkw
Tag 30 9
3000
+15
00+
450+
900+
500
150
400-1400
120-400
Racer CanyonTuff
Pine ValleyLatite
RencherFormation
Rocks of Paradise Tpa
Tqh 500 150
500 150
Tqc 330 110
Tql
Tcu
Tcl
TKg
TKcp
2000 600
Tc
Tw
Ti
50
520
1090
330
300-
1 600
90-4
901 6
0
15
600 180
Tq
Tiw
600 180
Tre
Tr
Tpr
Tpv
Ta
Tgb
Tcv
Sedimentary Rocks ofPage Ranch
low
erM
ioce
ne
Terti
ary
Cre
tace
ous
Jura
ssic
riass
icT
erm
ian
P
divi
ded
a fl o
ws,
un
basa
ltic
lav
vide
da
fl ow
s, u
ndi
sitic
lav
ande
Gravity slide brecciaVolcanic rocks of Comanche
Canyon
QuichapaGroup
HarmonyHillsTuff
CondorCanyon
Fm.
Leach Canyon Formation
Olig
ocen
eup
per
low
er
Isom Fm. andenclosing sedimentary
rocks
Needles Range Group
Pal
eoce
ne a
nd E
ocen
eU
pper
Mid
dle
Low
erU
pper
Low
erLo
wer
ylva
nian
Pen
ns
Low
er to
Upp
er
Mis
siss
ippi
an
Low
er
Dev
onia
nC
ambr
i an
Up p
erU
pper
Upp
erM
iddl
eLo
wer
ClaronFormation
uppermember
lowermember
Grapevine WashFormation
Canaan PeakFm.
0-120
0-35
tectonic breccia (?) Ktm
Ksu
Kst
Kdt
Jcw
Jcp
Jcx
Jcc
Jtw
Jts
Jc
Kcm
Ki
0-330 0-100
IronSprings
Formation
aigh
tS
trC
li ffs
Fm
. upperunit
TibbetCanyon
Mbr
Dakota Fmand
Tropic Shale,undivided
>320
>100
240 -
4 50
75- 1
35
850
26030
00-4
000
900-
122 0
Lower Cedar Mountain Fm. 0-100
0-320
0-130 0-40
0-98
0-160 0-50
0-250 0-75
0-30
Carmel Formation
Winsor Mbr.
Paria River Mbr.Crystal Creek
Member
Co-op CreekLimestoneMember
285-580
1800-2300
550-700
87-177
TempleCap
Formation
White Throne Mbr.
Sinawava Mbr. <10-400
<3-120
Navajo Sandstone Jn
Jk
Jks
Jkt
Jnl
KayentaFormation
MoenaveFormation
ChinleFormation
MoenkopiFormation
KaibabFormation
ToroweapFormation
PakoonDolomite
RedwallLimestone
CallvilleLimestone
Muddy Peak Dolomite
Nopah Dolomite
Bright Angel Shale
Tapeats Sandstone
gneiss, schist, pegmatite
Bonanza KingFormation
prin
g Fm
.B
ird S
e r D
am W
ash)
of B
eav
(wes
t
TenneyCanyonTongue
upper part
Lamb Point Tong.
550-1500
200-390
400-650
200-600
350-1000
300-5500-
2500-
3000-90
0-75
90-170
105-300
60-180
120-200
60-115
165-460
140-
315
43-9
5
0-60
90-150 27-45
0-18
Springdale Ss. Mbr
Whitmore Point and Dinosaur CanyonMbrs, undivided
J^m
PetrifiedForest Mbr.
Shnabkaib Member
^cp
^cs
^mu
^ms
^mm
^mv
^ml
^mt^mr ^
mtr
^m
Shinarump Cgl. Mbr 5-250
50-1800-200
30-200 9-60
0-350200-300
160-250
48-75
65-870
20-265
60-90
0-100
0-6015-55
2-75
upper redmember
middle redmember
lower redmember
Virgin Ls. Mbr.
Harrisburg Mbr
Brady Canyon Mbr
Seligman Mbr
Fossil Mountain Mbr
WoodsRanch Mbr
Timpoweap Mbr.Rock Canyon Cgl. Mbr
Pkh
PkfPk
Pq
Pp
*c
1400-2000
425-600
Pt
Ptw
PtbPts P
tbs
Queantoweap Sandstone
600-
850
1500
-200
061
5-85
0
8 -26
018
2000
600
460 -
600
180 -
260
P*bs
Mr
Mm
Msc
Dm
M_u
_n
_bk
_ba
_t
440-680
135-207
2600
1300 400
250-350
75-100
800
Paleo-proterozoic Xu
Stacking order of Tertiary units is approximate because of age overlap and age uncertainty; not all units are in contact as shown. Lithology not shown for Tertiary basaltic and andesitic flows, intrusions, Muddy Creek Formation, and lumped units. Unconformities not shown for Tertiary units.
Tim
2.1
Ma)
(1
2 to 8.5 Ma
Large quartz monzonite boulderson Kolob Plateau (derived from Tipv)
14.0 Ma 14.45 Ma
18.7 Ma
20.4 Ma
22.03 Ma
23.8 Ma
30 Ma Wah Wah Springs Fm.
26 to 27 Ma
22.8 Ma mostly Bauers Tuff Mbr.
21.46 Ma to 22.01 Ma
21.62 Ma to 21.97 Ma
21.78 Ma
Tipv
Tid
(20 .
5 M
a)
1.8 6
Ma )
(2
Ti b
Tqcw
Tih
Ti bm
Tgb
d) (u
nits
incl
ude
(21.
9 8 M
a)
(22.
02 M
a)
.00
Ma)
(22
KJu
Tqcl
Tqci
derived from eruption of Pine Valley
laccolith, triggered by rapid laccolith
emplacement and consequent
large gravity slides (Tgb)
Pine Valley laccolithintruded here
TKg lacks volcanic clasts
TKcp has Jurassic volcanic clasts
below Square Top Mtn. thrust
gastropods, coal
large landslides
alabaster gypsum
Isocrinus sp.
unconformityK unconformity
J-2 unconformity?
J-1 unconformity
large, sweeping cross-bedslocally prominent joints
prominent cliff; Silver Reef mining district
sandstone ledge, pinches out west of Zion N.P.
prominent cliff
J-sub Kayenta unconformity
“J-0” unconformity
P-tw unconformity
TR-3 unconformity
TR-1 unconformity
P-k unconformity
fish fossils
numerous landslides
“bacon-striped” ledgy slopes
3 limestone ledges to east5 limestone ledges to west
gypsumbrachiopods“black-banded” cliff
“stair-step” topography
gypsum
P-0 unconformity
unconformity
Thunder Springs Mbr.
unconformity
Msc absent in Beaver DamMountains
banded light and dark gray
Great Unconformity1.2 billion year gap
transition zoneplanar bedded
sandstone ledge pinches out westward in Zion N.P.
about 1.7 billion years old
J^mc
J^km
^cPk
^u
^mPt
^mPk
Pkt
Pkq
P*pc
_u
Scotty Wash Quartzite andChainman Shale, undivided
Cris
toM
onte
of
Lim
esto
ne (w
est
Bea
ver D
am W
ash)
160 50
1000
300
bas
ins
(Pal
eoce
ne-E
ocen
e) a
nd u
pli
ntai
nent
of i
nter
mo
Dev
elop
me
ft of
wes
tern
U.S
. (E
ocen
e-O
ligoc
ene)
; upl
ift c
ontin
ues
to p
rese
nt d
ay
Exp
losi
ve, c
alc-
alka
line
volc
anis
m a
nd c
alde
ra d
evel
opm
ent
Bim
odal
vol
cani
sm, o
nset
of b
asin
-ran
ge e
xten
sion
o f C
olor
ado
Pl a
teau
argi
n n-
mof
wes
t er
oll a
pse
and
c
urri c
ane
faul
tH
proximal
distal
bas
inFo
rede
e pB
ackb
ulg e
bas
in
thru
st fa
ultin
gU
pper
Jur
assi
c-Lo
wer
Cre
tace
ous
fore
bulg
e h
igh
(60
m.y
. gap
in ro
ck re
cord
)
Sev
i er o
rog e
n y
Broad, nearlyflat continental
interior
Dom
inan
t stre
a m f l
o wt o
nor
t hw
e st
Developmentof island arc
at west edge ofNorth
America
Nea
r wes
tern
mar
gin
of P
ange
a su
p erc
ontin
ent
eli e
f con
ti nen
tal s
helf
ery
low
-rv
Part of theMojave Province
ort
of N
e ba
sin
a t w
este
rn m
argi
nw
-mar
ing
shal
loS
low
ly s
ubsi
din
a lo
ng-li
ved
boun
dary
bet
we
tah
hing
elin
e,h
Am
eric
an c
rato
n; U
en s
ubsi
d ing
al s
h elf
to e
a st,
cont
sin
t o w
est a
nd s
t abl
e co
ntin
ent
mar
ine
baro
ls s
edim
enta
t ion
erosion dominant
fault-bounded basinsto west, but erosiondominates SW Utah.
Virgin River integratedwith Colorado River
alluvial fan
Mineral Mtn.intrusion
Kane SpringsWash caldera
TelegraphDraw caldera of
Calientecaldera complex
river andalluvial fan
of a
sh-fl
ow tu
ffsso
urce
s
Stoddard Mtn.intrusion
Bull Valleyintrusion
Pinto Peakintrusion
Bull ValleyMountains
Calientecaldera
Calientecaldera?
IndianPeak
caldera
sour
ces
of a
sh-fl
o w tu
f fs
Volc
anic
hig
hlan
ds a
nd in
term
onta
ine
basi
ns
river and lakesediments modified
by soil formation
river andalluvial-fan
fault breccia
shoreface
floodplain, river, lagoonal,estuarine enviroments of coastal plain; Tropic iswestward-thinningmarine tongue
river and alluvial plain
sandy mudflat
shallow marine
restricted shallow marinecoastal sabkha and
tidal flat
coastal dune fieldcoastal sabkha and
tidal flat
vast eolian dunefield of arid
west coast tropicaldesert; basal part
is sabkhadeposits
distal river andplaya
eolian dune fielddistal river, playa,
minor lakebraided streamriver, lake, and
floodplain
floodplain, lake,stream
braided river
tidal flat
tidal flat
tidal flat
tidal flat andcoastal sabkha
shallow marine
shallow marine
shallow marine
shallow marine
shallow marine & sabkha
shallow marine and sabkha
river channel
shallow marine,beach, coastal
dune field
shallowmarine
intertidal andnearshore
metamorphic andigneous rocks
sand and gravel,basaltic lava flows
conglomerate,sandstone, siltstone,
mudstone
lava flows
lava flows
lava flows
conglomerate
ash-flowtuffs
ash-flowtuff
ash-flowtuff
ash-flowtuff
conglomerate, sandstone
breccia
ash-flow tuff & lava flows
lava flows andash-flow tuff
ash-flow tuff,limestone, and
tuffaceoussandstone
limestone
mudstone,siltstone, and
sandstone
conglomerateand
sandstone
mudstone andsandstone
sandstone
mudstone, siltstone,sandstone
conglomerate
sandstone and siltstone
gypsum and limestone
mudstone and siltstone
micritic limestone
sandstonesiltstone and mudstone
sandstone
siltstone, sandstone,and mudstone
sandstone
sandstone
siltstone, sandstone,and mudstone
sandstone, siltstone,limestone
claystone, mudstone,sandstone
sandstone and conglomerate
siltstone, sandstone,and mudstone
gypsum, mudstone,and siltstone
mudstone, siltstone,gypsum
limestone and mudstone
limestone and mudstone
mudstone and siltstone
conglomerate
gypsum, limestone
cherty limestone
limestone, siltstone,gypsum
limestone, gypsiferous siltstone
sandstone
dolomite withminor limestone
and gypsum
limestone withlesser siltstone,sandstone, and
dolomite
sandstone and shale
limestone
dolomite andsandstone
dolomite
dolomite, with silty limestonein lower part
shale, siltstone,sandstone
orthoquartzite andpebble conglomerate
gneiss, schist,pegmatite
sion
Min
eral
Mou
n ta i
n in
tru
unconformity
unconformity
unconformity
fault zone
Dunderberg Shaleequivalent ?
Chisholm Shaleequivalent?
Pin
e Va
lley
l acc
olith
sion
The
Dai
r y i n
tru
Bul
l Val
l ey
intru
sio n
Har
dscr
abbl
e H
o llo
w in
t rusi
on
a in
intru
sion
Big
Mou
nt
Ord
ovic
ian
and
Silu
rian
stra
ta re
mov
ed b
yh
t he
Ant
ler o
roge
nyci
ate d
wit
sio n
ass
o e
ro
169 to170 Ma
UTAH GEOLOGICAL SURVEYa division of Utah Department of Natural Resources
1300 400
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