WSPC06446

• File Number: 8220.106.A.1.c
• Description: Colorado River Water Projects - Animas La Plata - Description - Construction - Durango Pump Station
• State: CO
• Basin: Colorado Mainstem
• Water Division: 5
• Date: 10/7/2002
• Author: DOI-BOR
• Title: Durango Pumping Plant - Stage I - Project Specifications - Volume IV
• Water Supply Pro - Doc Type: Report/Study

.

002588

.

G20

.
GEOLOGIC LOG OF DRILL HOLE NO. DH-103

FEATuRE: DUfWl60 P\JMPIM6 PLANT
LOCATION:
1M;8\JN: 01-0""'" I"1HISHED; U-U-8!I
DEP'h1 AND ELEV. OF 'IlATER
U!:Vn. AND DATE MEAS\.IED: 28.2 ( 644.80)

NOTES

AU. IE.lSUREMENTS ARE
FROM &ADtNl uva AN)
. ARE THE SAME AS THOSE
USED BY THE. DRIlLER.

AU. IEASlJAEMENTS ARE
IN FEET EXCEPT IIHERE
NOTED OIFFal:NTLY.

i:lRIU.ED WI:
AEBIlItW.. DAtU CREW:
D. ICRAKE. DRILLER

_lFlIIlI.e
FCll.H3I.ttDM INVESTI-
&ATION.

lIlaU. RlID'lElm
0.1 TO 97.1 - GUS
PfCH BAAT TOP HEAD
DRIVf: TRUCK MOUNTED
DRIll. RIG.

I
\

lIlaU.~
0.0 TO rn.6 - HG DIA-
MOND SIT NlRELlJE.
mPL.E TUBE CORE
'AIlRE1..

....,.,-
NO CASIN6 USED.

1Ill%l.UllO_1IOC
0.0 TO g'7.6 - Cl.EAR
"'TER.

IIlIJU. PUJUl ~
DEPTH RElUAN CCl.OA
IFT.I IPCT.1
0.H7,6 0 -

IJRn,l.,.ER'S NOTEIt
SLO'II Rl11!: OF PENETAA-
TIOfrt 'IlITH POOR RECOII-
fRY FROM 0.0 TO 27.4
FT. lSURFICIAl DE-
POSl'tS). 8000 ItA TE
~ ~fE"mAnON "ITH
&llllD RECOVERY FAOM
27.' TO 87.6 FT.
lIlEDA_ .

..... COIO'\.ET1"
IMnALUD ONE l-INCt4
SCHSlll.E .. PVC
Sl.,OT1'EI)..pJPE PIEZ-
0METEJl "tTH SLOTTED
plPf FROM '7.1S TO
D.' n., ANI &GUD
PIPE fROM 32..8 ". To
3." FT. ABOVE GROUNJ
QWA.CE tEL. &aI.O} .
SILICA 8AICl VAS
PLACED FRCII 17.6 Tel
..0 FT" IENTMTE
PUIS fROM 28.0 TO
SI.O FT. '" 4.0 INCH
PVC STAfClPlPE 'IlAS
PL..ACED TO 3.. FT.
ABOYt 8RCIl.NJ. IN-
flueNCE lONE IS FROM
97.8 TO 28.0 FT.

I(ATfR LEYIL DATA:
DEPTH IlOLE
DATE TO IUoTER DEP1M
s+ftt 21.0 1:7.0

PROJECT: ANtMAs-u. PLATA
COORDINATES: N 223223.9 E
TOTAl. DfPltt 97 . e
DEPTtl TO BEDROCK: 27.'
03->21-89 .

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100 100

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BO 'TOM OF HDJ.f

82

60 !.-

100 100 3

100 100

100 100

canER c:Ol.\lMN DATA IS NOT DISPLAYED FOR INTSlVAI..S
LESS THAN 1.0 FOOT OOQ<. 1HE DATA FOR nESt
INTERVAlS CAH BE F01IrlD IN 1lE -NOTES" NCI/Ofl 'ntE
-cu.sSUlCot.nDN AND PHYSICAl. DESCRIPTION- COl.UMNS.

DATA ~ IN THE CUSSIFICATION AKI PHYSICAL
COtcIITllIN COLlI4N. AND CfH1'EA CClt.~ ARE BASED ON
BUREAU OF AEa..AM.lTIDtf EHlilNEEAIN8 IEDLD8Y nEI.D
M.tJrIJAL NIl DAAIIfIM8S TITLED "8E0l.08Y FOR DESIM AND
sPECIfICATIONS" AS Fou.QNS::

DfWlIMB NO. 4O-O-6G3 IT AJrClAN:l DESCRIPTORS AND

8IEET 1 ClF .

13012204..

STATE: cm.OAAOO
I1iROl.INO ELEVATION: &&.0
AH6LE FROM HQRlIllNl Al: 90 IlEAf1ING:
HOLE lO&&m BY: T~/"~ONE..
AEVIEWED BY: 7" . .. - if

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III

CLASSIFICATION AND
PHYSICAL CONDITION

0.0 - tII.o: IUATEJIrWIY ALl.INnIt .DlU:

.u

0.0 - d.O: CLAYEY UfC) IIJ'ltI 1AAVB.:
POOFlLY RECOVERED AS MOSTlY FtlE TO MED~UM
SUBANliUL.lA SAND IIlITH MINOR IAAva. TO A80IIf
100 _. FINES HAVE MEDILM PUSTICITY. BRONN
TO REDOIsa+-eROWf: STROH. AfAtTIOM WITH lICL..
INfeRPqETEO TO BE Q.AYEY SAtCl WITH IRAYEL.

I--

.t

115.0 - 1'7.C IUATEJIrWlY T'SIW:E Ift):

:..se.G - 27.C CUYEY WtAYEL MITH utIl. COIIIlEI.
.....1lOlUIEllBO
POORlY RECOVERED AS MOSTlY IQrEOUS NIl lIETA-
MOAPHIC 6lUVEI.. C08BUS. AND BOUL..DaIS VITH
MIHCJl SAND AND CLAYEY FIN[S. 1AAve... CQBBLE$,.
AMO BOULDERS ARE SUBROlMlEll TO ~.
r- FINES HAVE MEDIUM PLASTICITY. MAXI~ SIZE
RECOVERED IS APPAOXIMATELY .00 _. BROIIlN TO
AEDDI&I+iIAOl4N; STRON6 REACiIOH WlTtI HCl..
INT~ TO BE cum 6RA\/tL ..ITtl S>>Cl.
COBBL.ES. AND BOULDERS.

27.. - 17.1: aETACEClUIICNEf& FOIIMAT'1I* ec.t):

.
-

1'7.. - 81.1: 8.ltCJ8TGJE VITH In.TlTOIC 1MT!AIEDI
lM5l:
CONSISTS OF SAttJSTOHE MITH 10 PERCEHT SILTSTONe:
INTEAeEDS .

SAHOSlONE - FIlE BRAINED. GUAATZOSE. U&HT BAIMl
\IIHEtI WlHEFlED TO UIiltfT BRAY. OCCASIONAL CAR-
BOMActOUS PAAT1Cl.ES SCATTEAlD TMUlU8HOUT. .c0N-
TAINS ISOLATED FOSSIL BOR1N8S AND SMELLS TO 0.1
FT.: LAMINATED TO MOOERAlU'f BEDDED (sm tH. TO
1.0 n.l AT 77 TO 15 DE~ FROM YHE aJfl! AXIS:
MOOERAlU Y HARD (H.) TO HAFlO OBI COflE BREAKS
IIlITH MODERATE TO HEAVY HAMMER BUM: "EAIC TO MO
Kmf Ha. REACTION.

SILTSTONE - 6A.lY TO DIoAK ~Y: UMlMATED (LESS
'nfAN :5/8 IN.) AT 77 TO 15 Df~ FROM 1lE CORE
AXIS: SOFT (H6) TO MOOEJU. TEl Y son 0El. 8ImDVED
TO 1/18 IN. "ITtI LIGHT TO MODERATE PRESSlME:
lEAK TO NO AaCTIClH ItITH HCl..

-'

OVERALL IHTERYAL IS MODERATeLY TO SLI&HT\.Y \ItEA~
EIED tN.' FAOM 27.. TO !1.5n.. IUQf1'L.YWEATH-
_ EIED nICl FROM 11.5 TO 81.B FT.: CROSS aEDOED AT
M TO 80 0E1ilREES: &tWIP L'*EFI cmrrACT. INTtMSEl..Y
TO MODERATELY FRACl\IED lFD8) FROM 27.. TO 10.8
FT. MITH DISCDNTIJrUITlES AT AN8LES FROM THE CORE
AXIS A:' 'OLLOtIS -

, 8!DOIHS .JOINTS AT n TO 13 DESREES: SP..u:al D.J
TO 1.SFT.: TI6HT 1000l TQMQOWTEL.YDPEN lD2J:
VERY TtaM IT1l TO MWERA1EL.Y TKIM tT2) IN-
nLJ.IN8 OF s.um. anT. Aft) Q.AY. .IlH COATIN$S
Of IRON OXIDE OM ,JOINT SlWACES; MODERATELY
~THERED 00Il: IIODEFlATElY ROUlIH N TO

o

r SHEET 1 OF .4 I DRILL HOLE DH-103