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<br /> DEPARTMENT OF THE INTERIOR I Prepared in cooperation with the MISCELLANEOUS INVESTIGATIONS SERIES -C
<br /> UNITED STATES GEOLOGICAL SURVEY U.S. ATOMIC ENERGY COMMISSION MAP 1 360 (SHEET 1 OF 2-GEOLOGY) OP.%
<br /> 04
<br /> I is I, - 26 E A IC4 IN -, ol � 30, � It 15' R 97 W R e . � N� 11 108,00, . ift� LL
<br /> 110,00, 1 19, 45' , _Q L I � - 1913' , I - R 23 I I 11,E 1 51 R 25 I 109A001 I I I R 1,12 N 45' 1 o) , I 1� -1 39'00' EXPLANATION "I'"" 0
<br /> 391GO' -1 0 l� - ---- — ��
<br /> ), '��__� __ I �_Q ,- I - - --I
<br /> 'I�IIII A - - - T z S I PC I imb ,I "I
<br /> III", I X - \', l�
<br /> I-,- 'Li-,-'D I—
<br /> I
<br /> T 21 5 6;S - , I'(�j� 11
<br /> I 2SI 0 I �'� 1 LU
<br /> I ��
<br /> _-_\� KMII I �I ch��9�k\�� 4, 1 r" � I Alluvium and colian deposits Colluvial deposits Morrison Formation ��' LU
<br /> ,�
<br /> -, �_�' , -1 4_1 �'-'�- 9 Qae, alluvium and eadian deposits, undifferenewited; Variegated fluvial and lacustrine shale, mudstone, and sandstone; local W
<br /> I �rr��,-'��-� -'� - i '11'' ��'_�'i' �1 I E, mostly wind-deposited silt and sand on mesa tops, thin limestone beds. Total thickness rangeafrom 450 to 950feet.
<br /> - 7, �'- - I- 'i �T' ,` . - .T
<br /> - ,�T' I � ' `_ Qc,calluvial deposits,urdifferetuti
<br /> 1- � - I I ated;includes talus,slope wash,
<br /> - ��Atd r ��_'�
<br /> , , . , � " -R� berches,and in broad valleys,reworked in part by block rubble,and rock glaciers. Jm, Morrison Formation,undifferentiated. 0)
<br /> .1 - � �" " I/ ' Ar -;:, running water. Jmb, Brushy Basin Shale Member. Chiefly gray,polle-gresion, red, and I %-o
<br /> � � - '�'� .1� A, V -, � b;P 1 13S e1 Qa,alluvial deposits,chiefly sand,gravel,and silt of Qct,talus;deposits of angular blocks light-purple bentanitic trudstons,f7uvial sandstone and conglomerate
<br /> " K �7 - I � t at base of cliffs.
<br /> �I -1 f/0�11ZIQEIK�' I " � 7-'01 s�' I Recent age in flood plains of streams. lenses, some of which contain uranium and vanadium deposits.
<br /> , F, _/ '�
<br /> , ',;_�'
<br /> c xg, � — �� \ I -1"
<br /> , ;�I- � -, 'I :�� �3 Qcl,landslide deposits;angular,un-
<br /> iu� ,I —, Qap,pediment gravels;limited to deposits veneering Thickness ranges from 250 to 500feet.
<br /> - � I I, - �50�_x - Jews, Salt Wash Sandstone Member White, gray, rusty-red, and buff
<br /> I l'/�� /0- I - sorted debris, occurring chiefly
<br /> A, ,��" I " F2 pediment surfaces in the present cycle of erosion below steep outcrops of Morrison
<br /> I K, -, ' ��
<br /> 1 115 I/ __�'I fluvial sandstone interbedded with red, gray, and green flumal mud-
<br /> /,-1,�,-I I-- 1� N � � Formation store,with thin limestone beds near base. Uppermost continuous
<br /> � /�_ \ -�2
<br /> I-- . 2 >_ sandstone beds contain major uranium-vanadium deposits through
<br /> I(�" .. l,')-'E�'\"\�YJ-A('ir' ��'Er--'",f Q� 0-1 much wr the area. Thickness ranges from 190 feet in the north to a
<br /> �� ::Q��)- ,") - i I � < maximum of 490feet in the South
<br /> I I I I -yq A Terrace gravels Z
<br /> � , � � - I i� X - -
<br /> '/ Includes gravels along larger streams and pediment ul
<br /> - I I . - ;I, gravels of earlier cycles of erosion,occurring prry- I
<br /> -I-- �1, "I .1
<br /> I cipally near Grand Mesa and south of Book Cliffs < N, � U)
<br /> -I � i's - D I I un
<br /> 1 - 0 4 Summerville Formation U)
<br /> - I I I- 11 oafs � Red,gray,green, and brown sandy shale and mudstons
<br /> ;t, 1/1_� _� "_�� . Ir
<br /> .-
<br /> . ��I \� Q.f Q.f' 2� of terrestrial origin; masses of red and white chert D
<br /> T 23 S I I L 74�- 1 tb t places near top. Thickness ranges from 60 �
<br /> �� W \ Basalt
<br /> V � �'/ , I 2 I. � N - It �_ Ipf' Conglomerate in Fisher Valley
<br /> '��",'�'','_
<br /> AT 5 I � S Partly consolidated;of uncertain age Extrusive scoriamous and vesicular ation
<br /> - -t �i, and y1man Sandstone
<br /> I I . ,A
<br /> " � , I Q - 9 basalt capping Grand Mesa. In-
<br /> �-�' - Alluvial fan gravels in the La Sal Alluvial gravels in the La Sal Glacial till cludes intercalated volcanic ash Member of Entrada
<br /> - , L 1--`-II -A �'��'� . �
<br /> � "l-,�IS, z Mountains Mountains [Inserted, anstratified deposits oc- and breaspor 2 San--.-..-
<br /> -
<br /> b Is" / � 'u ,' I �
<br /> , ' N,
<br /> "'z E��' "V'K.-T � __ .1 Gran 0
<br /> � Locally derived,poorly sorted an- Well-rounded and well-sorted depos- Curving in moraines on -
<br /> 45' �D-,, 45' �Z: gular to subangular sand,silt,and its, mostly of glac�al outwash Mesa and in the La Sal Mountains. 0 1
<br /> 1 os gravel. origin. Qgm,undifferentiated as to ago- -�
<br /> 0 Entrada Sandstone
<br /> Qaf,undifferentiated as to age. Qag,undifferentiated as to age. Qgm,of Pinedale age. 9
<br /> -J_C,,� .,,_�- I �� Qaf,,of Pinsdale age. Qag,,of Pinedale age. Qgri of Bull Lake age. g Summerville Formation Jern,Moab Sandstone Member;light-colored,medium- Wanakab Formation and Entrada.
<br /> I - "I I , ,???? I - I -Bull Lake age So and Entrada Sandstone grained,massive,and crossbedded sandstone at top Sandstone
<br /> - , Qaf,,of Bull Lake age. Qgm,of pre
<br /> � I- I L L I 1 Qag,,of Bull Lake ago.
<br /> 24, I-' ,i - I . ��- Qaf,,of pre-Bull Lake age -Bull Lake age -) fe"fiermation in western two-thirds of area. Wanakah FormOtion is the lateral
<br /> I
<br /> p �'-'Y I !, , , - - Qag,,of pre i e,Entrada Sandstone;orange,buff,and white,fine- equivalent of Summerville For-
<br /> I I .' I
<br /> - '�Ill,,,--I-- UNCONFORMITY to medium-grained, massive and crossbedded action motion in the southeasternevast
<br /> ,� . L E - �, -, �db,�,' I�' " - I d tone. asal ew Met a wtra a,con L � -
<br /> I
<br /> � ell __� - 'j 11 1 '7'� I�"" I Q red siltstome and fine-grained so qdstene, has been limy siltsto 'a and sandstone at
<br /> __- I'� A z 11 -1p � r" '� � / I ,I I' --l'"'-�- �"' terms arms ormat
<br /> S" , `4, ,-'�� Me- ` L I -l- '�' A-I'�',""� , southeaste Ovoid part area It e ntra a con Nos
<br /> � '- , - I � � friable,fine-grained sandstone of
<br /> - -
<br /> - I �� , I �,:� --- /IL'-� , � � tabular vanadvone-uranium deposits. Total thick- the Bilk Creek Sandstone Member�
<br /> , ,
<br /> I � V" ':'�ls,�''7 ��'�"' _'�" �
<br /> ��
<br /> I -zj" '�' I,,,, " I .1 Conglomerate in Castle Valley and Geyser Creek ness, including Moab Tongue,ranges from 550 to 60 at base of Wanakuh is the Pony
<br /> I � 1 11,7 1 __�' "�' �N ;�� l4 Chiefly piddles and cobbles of igneous ro-k derived - L � feet,decreasing from west to ast - Express Limestone Member, a
<br /> t- �
<br /> I -'Gir .is __ /' z L
<br /> .
<br /> ,L... "S'1� 1— I�w��'_ from North Mountain dark-gray to black bituminous
<br /> N_ �" FIN
<br /> I �' "� _V , - _� , r limestone. Total thickness about
<br /> _'l
<br /> - 1, � f, f - 80feet
<br /> �
<br /> �' I I Ei��'�// ), -
<br /> . "'i�IL - ,,, �' ( ,\,Tmq \`,.Tda
<br /> ___ � __� Summerville Formation,
<br /> �' I, J �l � Navajo Sandstone
<br /> � � ' � ) '�' . \
<br /> � -V I __ , " , IN.
<br /> I /I i � �' ,'�� � Entrada Sandstone, and
<br /> '�� .' clagi dittl Monchiquite Digrite and andesite Microgramogabbro Glen Canyon Group White,grayish-yvllow�gray, and pale orange-p nk,fine-grained, cross-
<br /> !A 4 i?'_///P�J'�' z - - - ,
<br /> I '� CA Consists of fragments of gneiss, Dikes,chiefly biotite and augite,and Dikes and sills of diorite, diorite Basaltic dike,chiefly plagdoclase and Includes Navajo Sand bedded action sandstone; prominent vertical joists in Most outcrops; Navajo Sandstone
<br /> JI I '�Aei`,� /
<br /> I I ' -, � ,�� '/�r "�'�' �
<br /> it I- "I � I"I , / schist,limestone,granitic rocks, carbonates derived during altera- porphyry, and andesite, chiefly augite,and biotite partly altered to stone, Kayanta Forma- absent in most of eastern half of area; attairs thickness Of 400feet in
<br /> ? 11 /, "��?"'Z'i"'I,', I ,f L I /I 11 � and eruptive rocks of intermediate tion;in Placerville area plagioclase,horsubelande,and bio- chlorite; between Gypsum Valley >_ turn,and Wingate Sand- western half -)
<br /> 'I ,�'i/ ��/' I/
<br /> " ,I/ ',I
<br /> /�jt 1
<br /> ,"I '11'l I V , A- � composition;in Placerville area tite;in Placerville area and Placerville < stone -
<br /> -
<br /> �/Ot�" ,,, -//",'17, - _�"C�_'_��_ -
<br /> ff, I/J '�'/ " ;_L,,A�' � -- 1-
<br /> I Ir.
<br /> LLI
<br /> T 26 S I the I- Kayenta Formation
<br /> I \FLA I Green River Formation Irregularly interbedded flu vial red, buff, gray, and lavender shale, silt-
<br /> al stone, and five- to coarse-grained sandstone, Thin beds of limestone
<br /> e . � L White friable sandstone and gray to gray-green lacus-
<br /> I Or \\)��\ ", �� I� trins shale. Poorly exposed near top of Grand Mesa and of shale-pellet conglomerate locally present. Thickness rarges ____ -
<br /> I , , I from 0 in east to maximum of 240 feet in west -.1 - -
<br /> I _�_ - 4�N I i L --UE::_
<br /> I N� - � - --'__'-,
<br /> � 1. 'L -
<br /> I;- _���
<br /> 30, I) 301 �l N.-L
<br /> '� -_ _�
<br /> I - .. -
<br /> I :4 -::::: -_ -:----"
<br /> 1-1 / � I K ' )11
<br /> LL dr_&Ajl\&� 9XIQI�Ij4WE3) I, I ", 1:E- 1 Kayenta Formation and
<br /> l! � i,r
<br /> '� ,L��' Wasatch Formation .. Wingate Sandstone Wingate Sandstone
<br /> -'I" ll V I . � Reddish- rown, oviff, and grayish-orange, e-graine , ma sive, thick
<br /> � � massive fluvial sandstone, numerous thin Sandy . v
<br /> - "I , ' : / i lenses, and some fresh-water limestone. Locally bedded, and prominently crossbedded edi n sands
<br /> I I exposvresforms vertical cliffs and exhibits dark-brown desert varnish
<br /> 7 27 5 I I conglomeratic at base. Maximum thickwass is about �
<br /> � I 'I' - / I W on weathered surfaces. Thwkwess ranges from 0 at east edge to about
<br /> 1 f' s',
<br /> - I/ I ! - 1,50I Occurs only in Grand Mesa area
<br /> - I I I - 350feet throughout most oJ western halt - U
<br /> I I I�'p �tI
<br /> I, " I /"I� U)
<br /> III I I LA SAL MOUNTAINS AREA U)
<br /> "I ' ;�� I I/;��'� I I I/ - I <
<br /> I I, '�-' / 11 . I
<br /> I ��IAI�T,, . 11 11 " I I//I , --'_��'7�i�/� --�,'�/�� -":" i
<br /> �� - , ;,I I M
<br /> —
<br /> I
<br /> I L E, L�� I I , '� ,Z� (/W� - N X,f — I _�c I I-_
<br /> '�
<br /> -�" � - I � \_ I I �' I �i , I �, � "-,
<br /> , I , 1;
<br /> I \ ;'��_�::'�' '/ I I " I� , /'t" -, I,I I �/ /" 11 " >
<br /> I'll I S '&�J,v,'\1,967y,r 1 �I I,/ l E'N'A�'�,-/-\N;1 I '_��- I I Chinle Formation
<br /> I I ll_�%�' - , -, I- '�--��-�J �
<br /> ; � I ",_IE-11 , ' 11 Vent breccia -PC, Chicle Formation,undIfferentiated. Terrestrial sedimentary rocks,
<br /> x� - : /'�J"�' - - -� - '' Dolores Formation
<br /> �\ ' I - ' I I r - � � 'i,
<br /> I I- �'- - , '�l�' i'( -\,, I (i �"� Klc'\(� 1, Chiefly fragmen,s of aegirine granite -brown,and orange-red si tstone inter a e Wingate Sandstone and
<br /> -"
<br /> U-1 � __�",\, , /'/', _ , I :.41 ". porphyry and altered diorite par- including red,reddish Chinle Formation Approximate lateral equivalent to
<br /> i � ��'Zi ��"� __ '��_"',':l,�F� .'r __�"'�')`��"/ l,-__'_— lenses of red sandstone and shale, limestone-pebble and shale-pellet
<br /> - " " I V-.,-,
<br /> 2 - \, 'E�; , I l __ yi r,L, ,J , , I phyry conglomerate, with lenses of grit and quartz-pebble conglomerate near dstone and
<br /> A 16- � 1. - ,\ "� �47 base. Thickness ranges from 0 to In
<br /> � �s"It- l^�� I Z", -�A � , feet, increasing from north to Chinle Formation in southeastern-
<br /> __�__'T�' 8 u .
<br /> I V% '_�l _�" - I " "- _iN'C:Z'N_'1y_
<br /> Z�XAP ITZA q � � '�� ) ) -1 licu, upper part of Chinle Formation in parts of area between Green and fluvial red siltstove sandstone, an
<br /> , ( �'��7�E""� Colorado Rivers. shale, with afam limestone-pebble
<br /> "I .-.II�' " I Soda syenite porphyry -- lvcb, Moss Back Member Gray,brown, and pale gray-greer, calcareous, conglomerate lenses; a quartz-
<br /> , L - I eil� � , "1,7" fIqrf!_ i ,/ flunial sandstone and grit,with red,purplish,and gray-green ministers; pebble conglomerate or grit occurs
<br /> . 1 I-', I I - A;iyy'I'V�'\" I r14 Incrin � carboneweaus planotfragments locally abundant; occurs in parts of area
<br /> _��-" I Small intrusive bodies,consisting of at base; locally contains a thin
<br /> '11, .11 __ � '� Fln'n, " between Green and Colorado Rivers. Contains uranium deposits in Wingate Sandstone equivalent at
<br /> Fke,7��'�1' \
<br /> I I I 1 sW clarse phenocrysts of microperth- T
<br /> "�� :�' I - <
<br /> Is - - I
<br /> V ioc",l?" � Z!�� j�I), \W 11 � ite and entire in groundmass of Chinle and Moenkopi western quarter of map; in Lisbon Valley its stratigraphic equivalent the top. Total thickness about 575
<br /> / �K'*N aegirine-augite and anorthoclase F Formations contains large uranium deposits feet
<br /> - " I fr � -
<br /> 7 2N 5 W .�
<br /> I OCK i L- I I
<br /> I I N,
<br /> - , F_ N, UNCONFORMITY
<br /> - TI �
<br /> � .�!11 I �
<br /> I "�)� ;C I d/ E El
<br /> I 0
<br /> - ,
<br /> 15 ------ 14' x4w- '�\ -1 �' Syenite porphyry - ;_
<br /> ME A I- ,Isnoa. I As
<br /> -
<br /> \ � III , , �' Dikes consisting chinfly of pert kite, I I �� Moerdoopi Formation
<br /> , 1 5v 1 - _'_�' `tt
<br /> . .1
<br /> - - -- .lso� 11, I excite playloclase, and aegirine- Z
<br /> I - - "'�_ __�'" -,_'�fl l ,, I ,',,,,, '�' 'I I_� " I - -1 - I -- L -1 - - ' I I augite. < �� Chocalate-brouro, ripple-beckled shale; brick-red sandy mudstione;reddish-
<br /> - � - I "i l0I v �_ � �
<br /> "I 11 �w��sl tME; 0�1_ - , , , , , � �� � "�_,'�E�E - QF - � T16�(- V__ 7�'-'g VZ A,%-I_'�"'-- ' - TKcIi,dike .Swarm. brown and chocolate-brown sandstone; purple and reddish-brown
<br /> , , 0 �_ ,�� I , _'__ - ,�� ,,,,L"� )��" -- � ED Thickness ranges from
<br /> ' - — lip , P, '�'__ l- '� -
<br /> _77 E - ", . i A,Z -I I - I AT =� arkasic conglomerate; and local gypsum beds.
<br /> I ,I, � t - & - , -11, ,- _�It\�' , QEe, C-l"I I � ,-I I"--,i
<br /> I ,E;g- 1� 'III - , , 1� ,"Ll CIA individual dikes
<br /> f i \ <'�� ,I, ,LS( Ki�, �'��' I , '��' I _� 0 to more than 1,000feet -
<br /> , I I s,\'-__'��\ i I, �:'I,
<br /> I r' I I
<br /> Me Q�I, , " �'_ �I I- '
<br /> � - �' - �� Ed �i
<br /> , , � 4� 1 ' ,, " 'n' iE, - -
<br /> - I,, , "\- : �'I - - f �_\��_e�_' ,�sh' P U _� IIIIIIIIIIIIIIIIIIIIIIIWWM�%__* -
<br /> - --- i ,3 SI,,"�-' "A I I I A tto� - "" 'I�'� � "
<br /> 11, _" I I I .. __ -- -,�Z"�7,-`iIEI, Y� 1 " I A<
<br /> l fil""�'�--I-, ,-I V 11 — , -" I 11 , ) � ii
<br /> - - '\ / �� � �' F
<br /> " A N) / -� ,, -_ , EE1
<br /> 1�ie"\r� ,,Z-N� A ,
<br /> l r,"_" ; ' �/,I��' , -�' F I,,I'vYT�A"v I I ii� - L - � '4 fr
<br /> IN,- " � ,L ;'�
<br /> ' ,,
<br /> '_
<br /> I I ,�-�A I l l"'�" I _�." ;' l ,11 I ',' � � <d Monzonite porphyry
<br /> F11'_r ,� , -1, , ' �K Chiefly U
<br /> I V I )�� 1, I' Closely spaced dikes. , pla-
<br /> - - I , '�"; -
<br /> _��_�_ I '1% '� . " I - ll ,_-, 11 I I
<br /> .1 ___ - _"_'_,1 - I - I - 11 11 , 11 , gioclase,potassium Jeldspar,horn
<br /> �I" 7. I 1, " Z__ C, ,I �� IN
<br /> '�___-, -�e-�'� �"" � " I I L blevale,and pyroxene
<br /> I
<br /> , � , i I- I \. i
<br /> , Nv . � I
<br /> -
<br /> , K d b I � �'� \'e'\
<br /> I I vb'�� N\ 1
<br /> 14 � � ; --- ' '� Cutler Formation 3
<br /> _�" -
<br /> ffAK&_3Z � I �__�\ l7 '� �\ �" br
<br /> I - L I P, ,i �� � PC, Cutler Formation, undifferentiated. Mostly red to purple,fluvial
<br /> i i 1
<br /> 1 Z ?�V� I arkose and urkasic conglomerate. Total thickness ranges from 0 to
<br /> � I � I' L I ' __� \L,L I ", ��l I Diorite porphyry about 3,000feet; locally attains thickness of 8,000feet at west edge of
<br /> - " � � � ,,,si '-, �
<br /> - � -1:1-1-11l� ___I -1 -
<br /> __
<br /> -
<br /> I 11 __ � �/ -Kd I -1'� --�4 Kc�-_;i'�,�,r,, 1. , Chiefly phenocrysts of plagioclase Uncompahgre uplift. Z
<br /> ,/LlT,\_ , I ,'-",,� PCs, unnamed arkase and arkohic conglomerate in western part of map. <
<br /> III ,I , �`/�/ I'I� 21� I I - , I and horsiblende in groundmass of Rocks of Triassic, Permian and
<br /> I I '�-Y -�' "�' Reddish-brown,red,and purple,medium-to coarse-grarined,crecadoodded, 2
<br /> , "I I'll I -I , orthoclase,albite-oligo,lase, and Pennsylvanian ages, und ffer-
<br /> 3 1 quartz. entiated, in La Sal Mountains. fluviat arkose and arkosic conglomerate. Contains small copper- Ir
<br /> T Kci s,stocks. uranz.um deposits in Lisbon Valley area and in area between Green W
<br /> I T Kd[A laccolitha i May contain some or all of the and Colorado Rivers. Interfingers complexly with other members. 0-
<br /> I Chinle, Moenkopi, Cutler, Rico, Pew, White Rim Sandstone Member. White,gray, and buff, modium- to
<br /> BOOK CLIFFS and Hermosa Formations coarse-grained, crosshedded, eolian, quartzose sandstone.
<br /> Pco, Organ Rock Tongue. Reddish-brown siltstone and thin-bedded,
<br /> - - - - fine-grained sandstone.
<br /> Pee, Cedar Mesa Sandstone Member Yellowish-gray, reddish-orange,
<br /> and reddisk-brown,fine-grained, thickly crosideedded, Indian sandstone.
<br /> A,, ! I I I I I EL-��' - ,_[�" ! .,- ;M� -__� �' ��)�q'_
<br /> I I' , _' - .�J L � l� ' '�TZ�, _ _____ _��' ,I ")I'��'U� -, Pcwo, White Rim Sandstone Member and Organ Rock Tongue,undivided.
<br /> ,rV -,, v -1
<br /> --, a�
<br /> - 32 3 Aw_�-iat ; I I I I I '- -l' " '� , "UPI,�_'F__;__ , I , tirl", _�� _ ,'I E��_�, , ,, I , -
<br /> : i �' , , '.k I /Q 61 i � )I I I �I F 43 N Pcao, transition zone where arkosic beds interfinger with Organ Rock
<br /> , __�� � , _ _' "
<br /> .�
<br /> ,
<br /> � � x ?j�� I , Acv : l ��,�'�'
<br /> I " A r'� ,_
<br /> I 14_11WIARV�M_ mE e, � , Upper part of Mesaverde Group
<br /> I ' -, P- ;17 _W�' � � k-'�� � " - 'IN, -, , , ' 38,00, GRANDMESA
<br /> ,8*00, I Lim- � I ,v I \1 __ li" I L�_L�r ,�'!�' I, I I_1 Tgoi
<br /> —
<br /> EA or I I- - �-_WI r-77Se I', , - _ )_�IJ � I - � p 4 1 108100? Alternating light-colored nonmarine Pcac, transition zone where arkosic beds interfinger with Cedar Mesa
<br /> 11,0100, R el E 45 A R 2.E R li E &Y R 93 Z A 21- i5l II 25= I 21I I I so 11 �' 1; 11 -1 i5 I ppll'� - I ,Aw - I" .sandstone and shale containing
<br /> K,
<br /> ,, 22 E - 109000, 45' PP" - 11 11 - I ii el some coal Sandstone Member -
<br /> Base from Army Map Service Moab sheet, 1957 Geology compiled by Paul L.Williams __ � I Prier I
<br /> L ____
<br /> I �_' Kroo Mesaverde Formation 1
<br /> 5 0 5 10 15 20 MILES rL'E�
<br /> — � �L' utter an Rico
<br /> 5 0 5 10 15 20 KILOMETERS NUCLA MINE Know,similar in lithology to upper Rico Formation Formations
<br /> '5' 1 1 1 � Buck Tongu-e of the Mancos Shale part of Mesaverde Group (Kmvu). I I
<br /> I I
<br /> s SCALE 1:250000
<br /> -
<br /> -
<br /> �v - Similar in litholmy to the Monaca Kmvr, Rollins Sandstone Member; Reddish-brown and grevvish-groy,fine- to medivm-LI,ained, crossivedded
<br /> - I
<br /> - ,
<br /> , - CONTOUR INTERVAL 200 FEET LOCATION GYPSUM V41-LEY � flunial sandstone; gray thin- to thick-bosidded, chertil,
<br /> APP�OAMATL MEAN t" Shots to the south;occurs in the white, coarse-grained, massive fossi(iferous
<br /> 11111N�Tlxl,19EA WITH SUPPLEMENTARY CONTOURS AT 100 FOOT INTERVALS R Book Cliffs I sandstone marine limestone; red micaceous soltstone. Dist ivy a i.Nh edfro al ovel-
<br /> DATUM IS MEAN SEA LEVEL 0 . lying Cutler Fo,matiouchiefly by presence iyflinr�to),e becis. E,,pu,ed Z
<br /> `=` t ickvess ranges rom 0 on ncompa gre upliEft to(Iboot 650jeet ncaf <
<br /> KCI I-I 1 2
<br /> L_ V west border
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<br /> Mcsaverde Group 0 - <
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<br /> Yello u,o,,A-s,r,i y,thi,lir.-bedded marine �� Castlegate Sandstone u _J
<br /> ,?,,I ,o??,T,i,'f,, sat,dsiione beds � L—Ph�P p >_
<br /> Buff-wrotherivn, coarse- to five- .Z2 If)
<br /> so,pu?ated b!j light-fli ay marine , ME
<br /> grained, massive cliff-forming � Z
<br /> ,,a/ ,op rvo�?,nc shale. Total ex- C3
<br /> marine sandstone .� Hermosa Formation 7
<br /> prs,,(l (hockness about I,sai � w
<br /> iA,
<br /> $2 L Ph, Hermosa Formation,unctf(erentiated. a-
<br /> - ill Phu,upper member. Blue and gray, thin- to thick-bedded,lossiliferous
<br /> 4� :� marine limestone; groy fine-grained, micaceous, crossibeened sandstone
<br /> ES
<br /> . X �B and silestone; red sandy shale and sandstone;gray arkose and congdom-
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<br /> � Upper member of Blackbawk � Crate. Ranges in thicknessfrom o to li8ai
<br /> Z . �
<br /> . 0 Php, Paradox Member. Salt,gypsum, anhydrite, black shale,gray sand-
<br /> E, Formation ,I
<br /> is r stone and limestone. Thickwess ranges from 0 in Uncompahgre up-
<br /> . An upper cliff-forming sandstone Is Ilft to more than 11,000fiect under salt anticlines
<br /> 110. � I - J
<br /> 109, 195, 116, 114' 112, 1101 109, 105, 104, 102' U and a lower tingly lot-'ally coal� �_�
<br /> 39' ,.......1:�',�'''L ' " .I j_�': '.'.: '' L - 6.Bush, A.L., Bromfield, C.S.,and Pierson, 16. Cater, F. W., Jr., 1955, Geology of the 27. Hackman, R.J., 1958, Photogeologic map All. McKay, E.J., 1955, Geology of the Red 56. Shoemaker, E.M.,1952, Preliminary geo- 64- Weir,G.W..and Kennedy,V.C.,1958, Pre- _F__________F_____F__ III, . I
<br /> . I bearceb, UNCONFORMITY
<br /> 24 - C.T.,1956, Preliminary geologic map of Horse Range Mesa quadrangle,Colorado: of the Escalante Forks quadrangle, Colo- Canyon quadrangle, Colorado: U.S.Good. logic map of part of the Sinhad Valley- liminary geologic map of the Mount �: W
<br /> , � L'' , LL : L 1.11 In -
<br /> L- % I �: I 1' � . . L . L' ., 37 ---- I I I _']
<br /> � �":L � I I L''.LL L � :: L [ I D
<br /> �4 . :: I the Placerville quadrangle, Colorado U.S.Geol.Survey Carl.Quad.Map GQ-64, rado: U.S. Geol.Survey Misc.Geol. Inv. Survey Gael.Quad.Map GQ-58. Fisher Valley anticline, Colorado and Peale 2 SW quadrangle, Utah: U.S.Geol. ::zI
<br /> ..LL L L ,:.. 46 31 48 41'- I I.- ------- - - u 0
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<br /> .
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<br /> . L . L .1.1. 0 U.S. Geol. Survey Mineral Inv. Field 17.Cater, F. W., Jr., 1955, Geology of the Map I-274. 42. McKeown, F. A., Orkild, P. P., Hawley, Utah- U.S.Geol.Survey open-file map. Survey Mineral Inv. Field Studies Map -71 __��
<br /> L ,� i-3. 1 I' i K Ed
<br /> 23 25 L . 58a. �.�:, . I.:.� 28 C� 47 Studies Map MF-96. Naturita NW quadrangle,Colorado: U.S. 28. Hackman, R.J.,1959, Phatogeologic map C.C.,and Dyer,H.B.,unpublished data. Geology modified and adjusted to base MF-142. ; SALT INAPS ------ N Z
<br /> I I . .1 - e CITY \1 I Kohl U <
<br /> .1 N 1� - - 7. Carter, W. D.,and Gualtieri, J. L., 1957, Geol.Survey Geol. Quad.Map GQ-65. of the Coach Creek SE quadrangle, Utah 43. McKnight, E.T.,1940, Geology of area be- map photageologically by R.J.Hackman. 65. Weir G.W.,Puffett,W.P., Dodson,C.L,, - ( . ' �) DENVER - < Precambrian rocks
<br /> ,
<br /> 1 . I My, -\-I- I / 4 \ 0 � Marcos Shale I-- ir
<br /> 53 3 1 L� I- � Preliminary geologic map of the Mount 18. Cater, F. W., Jr-, 1955, Geology of the and Colorado: U.S. Geol. Survey Misc. tween Green and Colorado Rivers, Grand 57. Shoemaker, F. M., 1955, Geology of the and others,unpublished data. I Ed or type., vot diffcr,.thi ,n wap. Io,I,, ,,,q,,,'A"I as ',.At,grcr, e, ED
<br /> . NrLl 0 12 14 Peale I BE quadrangle, Colorado and Hamm Canyon quadrangle, Colorado: Gaul. Irv.Map I-278. and San Juan Counties, Utah: U.S. Gave. Juanita Arch dreabsungle, Colorado: U.S- 66. Weir, G.W., Carter,W.D., Puf fett,W.P_ 39- - . Iied xe,I�P. El! ,vd p-vIrattte, o(,v,ring In
<br /> , � U T//A H fl I I - Dark-gray to blac/I scft,fi�sile marine she , vilh, thin two ,oarr? groups Younger group, a :2
<br /> 30 27 38 Utah: U.S. Goal. Survey Mineral Inv. U.S.Good.Survey Cool.Quad.Map GQ-69. 29. Hackman, R.J.,1959, Photogeologic map Survey Bull.908. Geology modified and Gael.Survey Geol.Quad. Map GQ-81. and Gualtieri, J. L., 1960, Preliminary 1,fti�iOd E� ) I sandstone beds at various horizons. The It7jper beds U yrncot2f intruv,e complex, consists chiefly of granite ,with coarse <
<br /> C L Field Studies Map MF-123. of the Coach NE quadrangle, Utah and adjusted to base map photogeologically 58. Shoemaker,E.M.,1956,Geology of the Roe geologic map of the Mount Peale 4 NE I I/ I�/ II/ 4"',A go, intertongur with,and grade vertically into,the lower microrlme pli ,ysts, minor amouvts of gneissic granite, pegmatite U
<br /> 5 54 55 57 15 19.Cater, F. W., Jr., 1955, Geology of the - I ....s, / I - Ed
<br /> "I'll, I .... T4 S. Carter, W. D.,and Gualtieri, L L., 1957, Davis Mesa quadrangle, Colorado: U.S. Colorado: U.S. Gael. Survey Misc. Good. by R.J. Hackman. Creek quadrangle, Colorado: U.S. Geol. quadrangle, Colorado and Utah: U.S. I / . ) Is u L R A part of the Mesaverde Group (Kc, Kb). Maximum dikes,and afesi larepIophyre dikes;crops out extenleiinely in Ryan Creek
<br /> — Preliminary geologic map of the Mount Goal.Survey Geol.Quad.Map GQ-71. Inv.Map 1-279. 44. McQueen, K., unpublished photogeologic Survey Geol.Quad. Map GQ-83. Geol.Survey Mineral Inv. Field Studies I �/ I thickness about 4,000feet. I ll�
<br /> .... .. ( I area and ol.east awl west ends of Unaweep Curves. Granitic complex a-
<br /> - Z uraneS.—I I K on,Mancos Shale,undifferentiated. has busu e ,elatinas with older sequence of quartz-biodite and quartz-
<br /> 52 2 � � 11 ---, 58 41 40 Peale 1 SW quadrangle, Utah: U.S.Cool. 58a. Stokes,W. L.,1952,Uranium-vanadium Map MF-150. 37'- s - K in or upper shale member.
<br /> � 65 ;8 "I _: 20. Cater F W., Jr., 1955, Geology of the 30.Hackman,R.J.,unpublished photogeologic map. -- -- fialdspars(hists and gnei,qses,with minor amounts of slate and injection
<br /> � I '/ _�� map. 45. McQueen, K.,and Pomeroy, J.S.,unpub- 67.Weir, G. W., Dodson, C. L.,and Puff ett, PJ_-- gneiss
<br /> ,
<br /> ,
<br /> ,
<br /> " deposits of the Thourpsons area,Grand -grained,thqv-
<br /> ,
<br /> I I —— 39 MF-124. 'Do SHIPROCK ----I Kmfe,Ferran Sandstone Member. Fine
<br /> I Survey Mineral Inv.Field Studies Map Anderson Mesa quadrangle, Colorado: "/ \
<br /> 36 50 U.S.Geol.Survey Card.Quad.Map GQ-77. 31. Hackman, R.J.,and Olson, A. B.,unpub- lished photogeologic map. County,Utah: Utah Geol.and Miner- W.P.,1960, Preliminary geologic map of - role 1-345 1 1 - bedded sandstone and sandy shale;thin rnd per-
<br /> M 64 5 67 8 7 � 71 19 21 9. Carter, W. D.,and Gualtieri, J. L., 1958, 21. Cater, F.W.,Jr.,and McKay, E.J., 1955, lished phatogeologie map. 46. Minard, J. P.,unpublished photogeologie alog.Survey Bull.46. the Mount Peale 2 SE quadrangle, Utah: I J 0 SANTk FE I sistent;occurs near base ca'Masocas Shale.
<br /> Preliminary geologic map of the Mount 59. Weir, G.W.,and Dodson, C.L., 1958, Pre- U.S. Geol. Survey Mineral Inv. Field I I Color I - Kohl,lower shale member
<br /> I Geology of the Uravan quadrangle,Col- 32. Hemphill, W.E.,1955, Photogeologic map map. ,A I I LEff 0 Albur,err � -
<br /> Peale I NW quadrangle,Utah: U.S.Geol. liminary geologic map of the Mount Peale Studies Map MF-143. 3 - - A /
<br /> . I r
<br /> Survey Mineral Inv. Field Studies Map orado: U.S.Geol.Survey Geol.Quad.Map of the Moab 16 quadrangle, Utah: U.S. 47. Minard, J.P.,unpublished phatogeologic N E W/ � . -
<br /> 59 -+ 17 GQ-78. Geol.Survey Misc.Good.Inv.Map 1-83. map. 3 NW quadrangle, Utah: U.S. Geol, Sur- 68. Weir, G.W.,and Puf fett, W.P.,1960, Pre- \ I / I __________________�
<br /> 42 66 1 20 11 44 MF-140. 48.Olson, A. B., unpublished photogeologic Vey Mineral Inv. Field Studies Map liminary geologic map of the Mount - . / M E I Contact . .."'
<br /> I � .' � -1
<br /> 33. Hinrichs, E.N.,unpublished data. - -- V - X 1Rk Collapse structures
<br /> I � 10. Carter, W. D., Gualtieri, J. L., and Shoe- 22. Dane, C.H.,1935, Geology of the Salt Val- MF-144. Peale 2 INK quadrangle, Utah: U.S.Geol. a '�;LI
<br /> 3 maker, E.M.,1958, Preliminary geologic ley anticline and adjacent areas, Grand 34. Hunt, C. B.,1958, Structural and igneous map. P ENEC I'Li ql� � I )
<br /> 5 61 1 � 6 � 49. Pomeroy,J.S.,unpublished photogeologic 60.Weir, G.W.,and Dodson, C.L.,1958, Pre- Survey Mineral Inv.Field Studies Map 33'- D I � I - Dakota Sandstone Strike and dip of beds - Small vertical pipelike bodies of brecria, bounded by
<br /> 38. 1 map of the Mount Peale I NE quadram County,Utah: U.S.Geol.Survey Bull.863. geology of the La Sal Mountains, Utah; map. liminary geologic map of the Mount Peale MII A R I Z 0 N A I I 1_____1____�1_.______." T kw liw circularfaults,occurring on northeast side of Spanish
<br /> — - gle, Utah and Colorado: U.S. Good. Sur- Geology modified and adjusted to base U.S. Gool. Survey Prof. Paper 294-1. 3 NE quadrangle, Utah: U.S. Good. Sur- 6q. Weir, G. W., and Puffett, W. P., 1960, Yellowish-brown and grayfriable to quartzitiefluvial Fault — Valley; contain blocks of rockfrom, allformatimes
<br /> a 20 40 MILES map photogeologically by R.J.Hackman. Geology modified and adjusted to base 50. Pomeroy, J.S.,and Marshall, C.H.,unpub- I sandstone and conglomeratic sandstone with inter- a Limit of deposition of a formation or member, in this from Navajo Sandstone through Dakota Sandstone.
<br /> I I I I I Vey Mineral Inv. Field Studies Map map photogeologically by R.J.Hackman. lished photogeologic map. Vey Mineral Inv. Field Studies Map Preliminary geologic map of the Mount - -- I I bedded gray to black carbonaceaus,nowmarime shale. Dashed where approximately located; dotted a-he I, Horizontal beds case the Kayenta Formation Age of collapse anknown;possibly Tertia?y
<br /> MF-139. 23, Detterman, J.S.,1955, Photogeologic map MF-145. Peale 4 SE quadrangle, Colorado and __�I- I F-- Plant impressions are common; a coarse basal can- concealed. Bar and ball on dowaithrown side
<br /> 11. Cater, F. W., Jr., 1954, Geology of the of the Moab 5 quadrangle, Utah: U.S. 35. Lewis, R.Q.,and Campbell, R.BE,unpub- 51. Richmond,G.M., Pleistocene stratigrapby 61. Weir, G.W.,and Dodson, C.L., 1958, Pre- Utah: U.S. Goal. Survey Mineral Inv. �__ I -1 glomerate is locally present. Ranges in thickness
<br /> INDEX MAP SHOWING SOURCES OF GEOLOGIC DATA Bull Canyon quadrangle, Colorado: U.S. Geol.Survey Misc.Gael.Inv.Map 1-57. lished data. of the La Sal Mountains, Utah: U.S. liminary geologic map of the Mount Field Studies Map MF-149. I I I I I --7- I fromafewfeet to about 200feet W. E. W. E. W. E.
<br /> Grol.Survey Gael.Quad.Map GQ-32. 24. Detterman,J.S.,1955, Photogeologic map 36. Litsey, L. R.,and Surnsion, Carl, unpub- Geol.Survey Prof.Paper 324 (in press). Peale 3 SW quadrangle, Utah: U.S.Carl. 70. Weir, G. W., Puffett, W.P.,and Dodson, 0 50 100 150 200 MILES
<br /> 12. Cater, F. W., Jr., 1955, Geology of the of the Moab 4 quadrangle, Utah: U.S. lished data. 52. Sable, V.H.,1955, Photageologic map of Survey Mineral Inv. Field Studies Map C.L.,1961, Preliminary geologic map of I I I I - UNC0NF0RA4I`nr` I Kmv Js _W Pew
<br /> GEOLOGIC SOURCES Gateway quadrangle, Colorado: U.S. Gael.Survey Misc.Gool.Inv-Map 1-85. 37. Lohman,S.W.,unpublished data. the Carlisle 4 quadrangle, Utah: U.S. MF-146- the Mount Peale 4 NW quadrangle,Utah: = Konen Jern Pco PCs I
<br /> Geol.Survey Gool.Quad.Map GQ-55. 25. Detterman,J.S.,1955, Photogeologic map 38. Marshall, C.H., 1959, Photogeologic map Geol.Survey Misc.Good.Inv.Map I-69. 62. Weir, G.W.,and Dodson, C. L., 1958, Pre- U.S. Geol. Survey Mineral Inv. Field SHIPROCK is Maneds Shale,Dakota Sandstone, Dakota Sandstone and Burro � 1
<br /> 13. Cater, F. W., Jr., 1955, Geology of the of the Delta quadrangle Colorado: U.S. Studies Map MF-151. 1-345 ;z —����Kmw
<br /> 1. Baker, A.A.,1933, Geology and oil possi- 3. Bates, C. E., 1955, Photogeologic map of of the Moab 6 quadrangle, Utah: U.S. 53.Sable, V.H., 1955, Photogeologic map of limitary geologic map of the Mount OUR EH 0 and Burro Canyon Formation Canyon Formation Je I
<br /> bilities of the Moab district, Grand and the Moab 11 quadrangle,Utah: U.S.Geol. Gypsum Gap quadrangle, Colorado: U.S. Geol.Survey Misc,Gool.Inv.Map I-86. Gael.Survey Misc-Geol.Inv.Map I-282. the Moab 12 quadrangle, Utah: U.S.Geol. Peale 3 SE quadrangle, Utah: U.S.Geol. 71. Withington, C. F., 1955, Geology of the I Area of Moab,I' x 2'rucalrangle Published geologic map of W Kmb I PC
<br /> �
<br /> San Juan Counties, Utah: U.S. Gael. Survey Misc.Geol.Inv.Map I-107. Geol.Survey Geol.Quad.Map GQ-59. 26. Eicher, L.J., Hedlund, D. C.,and Miller, 39. Marshall,C.H.,1959,Photogeologic map of Survey Misc.Geol.Inv.Map I-117. Survey Mineral Inv. Field Studies Map Paradox quadrangle,Colorado: U.S.Gael. . I " other to X 2o quadrangles 1� Burro Canyon Formation Kc I
<br /> Survey Bull.841. Geology modified and 4. Bates, C. E., 1955, Photogeologic map of 14. Cater, F. W., Jr., 1955, Geology of the G.A.,1957, Preliminary geologic map of the Norwood I quadrangle, Colorado: 54.Sable, V.H., 1955, Photogeologic map of MF-147. Survey Gael.Quad.Map GQ-72. � I 6 I While,gray,and lighl-lorown fluvial sandstone and __::� I PCC I
<br /> adjusted to base map photogeologically the Moab 10 quadrangle,Utah: U.S.Geol. Fine Mountain quadrangle, Colorado: the Moab 14 quadrangle, Utah: U.S.Gael. "I I'Al , .# liij�� � conglomerate interbedded with green and purplish Kb Krum
<br /> sections of the western part of the Gate- U.S. Geol. Survey Misc. Cent. Inv. Map 63. Weir, G.W.,and Dodson, C.L., 1958, Pre- I INDEX MAP SHOWING AREA OF MOAB OUADRANGLE . larcustrime Millstone,shale,and mudidone,and thin I
<br /> by R.J.Hackman. Survey Misc.Gael.Inv.Map 1-116. U.S.Geol.Survey Geol.Quad.Map GQ60. way district, Colorado and Utah: U.S. I-283. Survey Misc.Geol.Inv.Map I-119. liminary geologic map of the Mount I I �t � -_KM_f 6____-� I �
<br /> I Z' beds of impure limestone. Thickness ranges from
<br /> 2. Bates, C.E., 1955, Phatogeologic map of 5. BergInnist, W.E.,1955,Photogeologic map 15. Cater, F. W., Jr., 1955, Geology of the Geol. Survey Mineral Inv.Field Studies 40. McKay, E.J.,1955, Geology of the Atkin- 55. Sable, V.H.,1956, Photogeologic map of Peale 4 SW quadrangle, Utah: U.S.Good. I 1 �4 0 to 200 feet. Forms discontinuous lenses in the Kni
<br /> the Carlisle 3 quadrangle, Utah: U.S. of the Moab 13 quadrangle, Utah:U.S. Calamity Mesa quadrangle, Colorado: Map MF-122. Geology completed phi son Creek quadrangle, Colorado: U.S. the Moab 15 quadrangle,Utah: U.S.Geol. Survey Mineral Inv. Field Studies Map ,I I Placerville area,and is not differentiated from the � I I
<br /> Geol. Survey Misc.Geol.Inv.Map I-68. Gael.Survey Misc.Gael.Inv.Map I-118. U.S.Good.Survey Gael.Quad.Map GQ-61. geologically by R.J.Hackman. Geol.Survey Goal.Quad.Map GQ-57. Survey Misc.Geol.Inv. Map 1-128. MF-148. �e_/I - Dakota Sandstone(Ken there I - 'Mesaverde Group and Mancos Shale 'San Rafael Group 'Cutler Formation
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<br /> GEOLOGY, STRUCTURE AND URANIUM DEPOSITS OF THE MOAB QUADRANGLK COLORADO AND UTAH
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<br /> // ",I Compiled by
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<br /> / '/ Paul L. Williams For sale by Branch of Disi U S.Geological SuNey, �
<br /> / / 1964 Box 25286,Federal Center,Denver,to 80225
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