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OCT-29-96 TUE 12 34 PM <br />SHEPHERD MILLER <br />PRX N0. 970 223 7171 <br />P, 18 <br />• <br />Pore rata pm~eodury, NNde tailiep, [chile Amala[. Quatrrc 729 <br />Yvm IhC imU 1b [hC ta8lDgs QnDOm1d<nCtC ~ ~! <br />nt7iep dtttrharge point tras moan pe[iomtally <br />ttreuad the aovthem portion of the im{tetmdmeac to <br />dittrtbata Ne ut7iap evenly. WIN th4 dttpotal terb• <br />ttigm, the coarser [a0inp sLotald Lave satded near <br />the tfcsdarge pohtt and the thner g8iags ttbodd have <br />settled more datilly. In this study. Mesa 8a'n sim <br />coil a more oomPV~ railiup stratipapbY bare been <br />vbaerv+d ro.arA trig mrtlsern (disnl) end o! the <br />impourtdtaent. <br />Elydroyeobpaal lavestigatiom (Dwvt Q 4.,1986) <br />iadigted tLu the tatTmp arc tmdetlant by 2-20 m of <br />daY avar bedtoek (Fg. 2). TLn hydrauGe[eanduo- <br />tWfty of tha tmliap ranged from 9.0 x LO' tmrs m <br />l.t x 10's ~h (Dwva a al-. t9e6). I.ot. eydratux <br />eondoetivitia Were 8eaesa0y reported Lor tLc mrtL- <br />tanend of the futpeuodment, and high eooductivitia <br />Ito! LhC anutLe[L aril rhety tLC toaraer taslirgs vrere <br />deposiat:d. 1'ae ratR able aarltl from rigor the <br />tallLtp staftot, to ~S m belor the stuSee u the <br />awthesn atsd aE the bnpourtameet. Horimtsdl and <br />vertid bythattlk QaCirnb intliate thu the pore <br />rratm WitLm tLe impoondmetrt getreraily move <br />otrtWard. towards the taurotmding dtaimge dittLes. <br />'ERltntrcd Po_te-vttr vdociua rs+ege hour 0.1704 <br />m`/~a; ,t,o~tL~e eeaCal panel the it[tpoundmmt orbate the <br />`~ arc ind hydraulic l?~D 1rc <br />!mall. m S s[Ja ttCar the taiL~n~ tlamf WLCR marsc- <br />grained tailiegs sae drpoai[tx! and the bydnuae <br />gaStenb are large (DAYS a af..1986). <br />B <br />a» <br />..: •raa - - -- -- - -- <br />a <br />raw0 ~ ua <br />e • p <br />METHODS Ol• Q'tsTST[GATION <br />Tttt ittaeAipripsta included mneabo ad tttrirm d <br />temglo d tae orlap sdWt. poro ate aed pore pt. <br />Analyses +ero ohcliead !er Yrnpla ee0eaad hum ttae <br />radtwe inns ae loeatiero iowcdmely adpxrn[ m <br />piaaomatar ttaa that rue tampkd Pub' b/ Dwre R <br />d. (t9ad). Toteehrr. thaeamgaa baderu teprasott+v <br />vertid rtor aeaiens doK dte tanath and vsdm n! the <br />eapouodlltent IFa. =). <br />TdE6rg ldidr <br />fan ~[or minezalooeat aulysk ra oatteaed in seatioru <br />1 m lpei aed shoat d tan a d6muer, the eme ttm cat ate <br />26em ,eatians. trotc[s x the aesd rite. aril Yripped ata <br />swrM ]rotes until wady foe may. <br />Samples rote tltared sots dried S room tettryaragte. <br />Cora +dh oeservabk spedat or ®ique trattoea seat <br />pattwioved into s+bsamplm dartrt~ the tltarrmg promr. <br />Frh al UIC dried ampks rn aeetaaa and. Thee ~aver- <br />ary. li;lttty asedtea Mhand wpass mime?6 tetsh (aperture <br />sire 4S ya). <br />From tha <fl [ore amptea coNeued. >O pts5attad semerrs <br />roe ptrparN for mirrerabai~~I ssody. The tdliey ave <br />teaessnad to mime I70 mtsh (apcrlttrc ri>x A arm). and <br />the Estes rcleeted prier to polished section prepantioa. To <br />ri.rimne ttr poaibte a;swfation of raturofahte ptma, <br />all a( the pd'alsed stteeiom von ptr7ated ~L ndh <br />agseotn taeRa. Alf porah<d seaiorn vice esamnred seder <br />«0ecled light, and 7a+etal rue alto tagotard h7lOttmOg <br />demon mivoscop/ eomhined rirh exrp~dtgreerioa <br />coal <br />eaf~t phys~ta! proputia raa determaed w scp+rar <br />samp{es. ritidl rrse corseted rim a 7~ca (]Sia.) [orl <br />B' <br /> <br />ar.r <br />A A, <br />a[a <br />Wn w•r7 <br />:.. <br />~ / ~~ <br />- ~ Mrl.~p v <br />1 <br />0 a F <br />. <br />Fta. 2. [vaptodwl (cop) rtd trnuvene (bonpm) inoAes lsroagh the W site Amolu things imptl,tnd- <br />mmt L7ots u drill sits represent piernteeter location as dumbed by D+Yt a d. (19a6). <br />