|
Tcpm _
<br /> rgc r 0 45 15)
<br /> *25
<br /> S J O iA C
<br /> Qb
<br /> O ..
<br /> Cr,r-r:
<br /> f - D �f7al l(('Ld QTc
<br /> e O
<br /> O'ernR (',...d 10
<br /> se1S�l1 l I '— Or , Qs
<br /> Allini I c :-
<br /> iSL
<br /> - ��o
<br /> g
<br /> — M•, G 15H -
<br /> -Plb - i ,ai,D
<br /> SITE QT
<br /> M0f)rST
<br /> DESCRIPTION OF MAP UNITS L
<br /> s
<br /> t Q1
<br /> Sand dunes(Holocene) Windblown sand and dune sand
<br /> rot I 1 FI.otl bndn depot is (Holocene) Cut, s I and yr d: ar Stockton O "QP gh Lake
<br /> nsot or muck.Peat.and other orgamr snits to places may include part O W;5t1ay
<br /> of the Modesto Formalmn(Pho,locane)
<br /> nr River deposits Holocene Gravel, sand, salt, and m mm Y I t s P SF
<br /> 1>0 l ) amounts til m, . In
<br /> In Pieces along Channels,flood plains,and natural Iey<es..morn streams. ,j
<br /> In elates may mclutla part of Modesto Formatmn(Pleisocene)
<br /> oa Lacustrine and marsh deposits (Pliocene to Holocene) Clay. silt, and some
<br /> sand: in subsurface Include three wMApr.ad clay, A clay (Plentpcen.
<br /> and Holocene?):C clay(Pleistocene):enc modifinect E c,a,2
<br /> incl .11tncenel.
<br /> includes Corcoran Clay Member of Tolai Turlock Lake FFormation, Geologic Map from R.W,Page,1986,U5G5 Profeooional Paper 1401-C.
<br /> r $pnthumfiil rocks end deposits(Mlo.e.e to Holocene) Hmarogeneous m,.of
<br /> hooplly poorly sorted clay,sill,sand,and gg,mel:tome bads of dr,otono.
<br /> andyoungerstooi sandstone, and conglomerate. In Plea oDino Informal rend,- A GELOGIC MAP OF THE
<br /> con alluvium(Holoceneil older a d Plein ocene).t tie and Holocene?)
<br /> and Continental deposits Fliv..e and Pleistocene).three formations of
<br /> P!ai (PI-ma age: Modest.,Ph .00l no k.-and side
<br /> Lake:Tulare Forma. SAN JOAQUIN VALLEY
<br /> floe (Pliocene and Po inion sid on western side of valley, (Clea For
<br /> motion(Pliocene)an eastern atla,and Kern River Formation(Miocene m
<br /> P!eistocene?)no wutheastem Part
<br /> F—,-—1 Volcanic rocks and depotltt (Miocene and Pliocene) Massive tuff with large
<br /> --- nagm.nts Of vau,,ufm basad omthwesl of Tracy: tui!, and volcanic
<br /> boi al snnlh end.I vane,
<br /> Tum- Continental racks and deposit.(Miocene and Pliocene) Gravel.nand,s,It,
<br /> toclay,
<br /> conglomerate, sandsne. solstone,and of tone. contain andesmc
<br /> material, prinnpally MaiF.,.Ik.n (Miocene and Pliocene) on
<br /> eastern side of valley; include continental egmvaf lms of Ekheprom For-
<br /> 'anon (Mlocane and Pliocene) on western side of valley, and Chadic
<br /> Formation(Mlocane)on southern it
<br /> rano Cominantel and maims rocks and deposits (Miocene and Pliocene) Gavel,
<br /> ,and, Of. clay, siby sandstone, and oilstone. Intlud.continental and
<br /> "Pop Scale: 1:500,00
<br /> equivalent,lent,.1 Sam n Forr
<br /> (Mand Ph.ter.)
<br /> IPeocen.) and Etchegoin
<br /> in=6 mi
<br /> '—�Marine rocks and deposits(Eocene,Oligocene,Mlocane,antl Pilo....) Sand,
<br /> '1%. sill,sandstone,shale, mudstone,and sdtstone. On western ode of
<br /> valley nclude the Sen Joaquin and Etch.gom Formnfuns, Tenth'.,Formation (Olrgnome and Miocene) and Krey<nhagen Formation
<br /> (E.aenel. On tone
<br /> Intl.Include theSanta Margarita Formation of
<br /> adous authors,the Round Mountain Sdt.the Oil.Sand,the Freeman
<br /> Silt, and the Jewett Sand(' nluding the Pyr annd Hill Sand Member) (all
<br /> Miocene),and the Vedder Sand(OlAo,:,tie)
<br /> 1mContinental rocks antl deposits(Oligocene and Mice Gravel,corgiomemte,
<br /> sand.tuffaceoussand.clay,and sandy clay.contain my.ki material on
<br /> caste- side o1 valley. P1,11-pally Valley Springs Formatmn(Oligocene
<br /> and Mince.).11 astern side n1 vane,,unnamed fanglomeutes(Miocene)
<br /> and Ben.Got.;(Miocene)in the sow)pmt
<br /> Tone Continental rocks and deposits(Eocene to MI...) Conglomerate,sandstone.
<br /> r.mohdeteel fan icird. de.Cayston<, off and tuff brecua:near Fresno
<br /> consist of tuffaceous sand and gravel. Near Bakersfield include the
<br /> RaiFinglomerate (Oligocano and Miocene) and the Walker For.
<br /> oration(Eocene to Minton)
<br /> ice Continental rocks and depositsmer
<br /> (Ecel Conglnale and sandstone.along
<br /> easle.n .do of valley cru
<br /> tam a /de. Pnu
<br /> npany on. Farmanon
<br /> (Encene)zon..stem side of valley n
<br /> unc.nformity
<br /> cTa Marine rocks (PmTemary) Sandstone,shale, itsone.and some limestone, ?'p E g aO
<br /> ^ Ihlefly no western ide of valley: in places contain abundant secondary 1
<br /> gypsum. Include Moreno Formation (Cretaceous and Paleocene) and NEIL O.ANDERSON 8 ASSOC.,INC '
<br /> Panache Formation(Cretaceous) r• w
<br /> GEOTECHNICAL SERVICES-ENGINEERING!LABORATORIES 95IES 1 W
<br /> Granitic rocks(Pre-T.Aiary) Chiefly gramtin mck,on eastern side of valley.'n 33 Houston Ln L90913194a< O A
<br /> olacas Lrmi of mane nn uo.rocks Rwlana?m wSSOOt'
<br /> .Tin Metamorphic rocks (Pre-Toms Matasephoutmary, notevomamc and.,he, pate 4
<br /> mnu.nnrnhi.m.Lr nn near .n sitle til vena,.
<br />
|