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

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002588

G18

SEOL06IC LOS OF DRILL HOLE NO. DH-l02

8HEET 2 OF a

FEATUE: DUWl6D PUMPIN6 PLANT
LOCATICIt
IlEGUt O:t.-la-e. rtNI&M!D: 01-19-.
DEP1ll AND ELEV. OF IlATEJI
lE\'E1. ...'" DATE 1EASURED;. 21.S I &484.301

PROJECT: AHlM.lSoU. PlATA
COORDINATES: N 2233811..3 E
TOTAl.. oerTtt; 80.1
ODJ!Jr-JsD BEDROCK: 26.9

130828!i,O

PERHE~'Jl-ITY 1/ > ~
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FROM 90.1 TO 7.0 FT.

WATER I.EWEL DATk
DEPTH HIllE
DATE TO MATEA DEPTJl
1-13-89 21.8 2L8
l-t7-8!l 2!I.0 25.0
1-,8-89 27.0 27.A
1-11-88 ....1 4101.1

PIIZO. MAlER lEVEl.&
DAn: ELEVATION
1-30-81 B.a.'
2-27-89 846!5.1
3-27-89 8...... S
NOTE - PIEZOMETO IN-
STAlUTIDN DESTROYED
IN MAY 1989.

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DESCRIPTIVE CRITEAXA FOIl
ROCK.
DfWIIN6 NO. 40-0-1... STAHDARl DESCRIPTORS AND
. DESCIUPTlVE CMTERIA FDA
DISCONTINUITIES .

AN6L.ES AAE I4EAStR FROM THE CORE AXIS AT 0 DEIiREES.

ABBAEYlATIONS:

HG . 2.l!i IN. C!:R 01..... 3.7' IN. HOLE Dl..
sPT .. STAMlARD PEMETAATION R61STANCE TESTJH&.
PIEZa .. PIezOMETER

STATE: COLORADO
6R0lNI ELEVATION: 6'92.8
ANILE FROM HORI1ONT AI.: 10
HOLE LOBSED BY: ~lI"I
REVIEWED BY: .",~ K

BEARING;
fIlE
-/

CLASSIFICATION AND
PHYSICAL CONDITION

MENTS ~OU6HClUT. GRAY: L.AMINATED TO VERY THllLY
BEDDED (LESS ntAH !lfB IN. TO 0.1 FT.) At 7e TO 85
DECREEs; MODERATELY SOfT tM5J. CORE BREAKS AlONS
BEOOIH; WITH L.ISKT HAMMER BLUM OR HEAvY MANUAL
PRESS\RE; NO TO NElK HCl REACTION.

SHALt - SAMlY. DARK liRAY: LAMINATED lLESs TH.t.M
!/III IM.J NITH PL.ANAA AND CONVDU1TED IEDDING: M0D-
ERATELY SOF'l tH5l IiROOYED AND 8OU8ED BY KHI1E
NITH MODERATE PRESSURE: NO 10 WEAK REACTION "ITH
HCl..

OVEAAU. INTERVAL IS SL.IIiltffi.Y WEATHERED 'lQ) FACI4
!l6.!5 TO 040.04 FT.. FRESH hilU BELOtl 40." FT.:
&fW1ATIDNAll.ONER eotnACT. MODERATELY FRACTUAED
lFD-SJ FROM 3&.5 TO 4S.3 FT. "ITH DISCONTINUlTIES
AT ANQ,.ES FADM TtE CORE AXIS AS fou..O"5 -

-
10 BEIIOING JOIMl'S ...T 7:2 TO e DEBS.: VERY a.DSa.V
SPACED TO llIDELY SPACED tsP8 TO 51"3). 1/2 lltOt
TO 1.2 FT.: nBHT TO MtlDfA.nay OPEN 'OJ TO 021:
CLEAN TO VEAV THIN (TO 10 11) IHFILllNG OF CLAY.
C.lMDHACEOUS PARTICLES AND IRON OXIDE. PRESEHT ON
"OINT SURFACES; MODEIUTEl.Y ~THEAED rwsl: AOU8H
TO Sl,..I&HTl.Y ROUSH (R2 TO A4): PUNAR: LOCATED
FROM 36.5 TO 40.3 FT.

t "OIMT AT 10 OEeAEES: SUBHTLY OPEN 1001: CUAH
(T01: FfIESH IVt): MODERATe.. Y ROU&tt 1A:!l1; NAVY:
l.OCATED AT 042.1 FT.

.. "OIMTS AT 040 10 56 0E6REES: T16HT TO SLIllHn. Y
OPEN (00 TO OU: ClEAN toOl TO YEFlY nuN nt)
IWILLING OF SILT. CUV. AND COATING OF IAOM
OXIDE: SLI6M1'lY"fATHERED 1M31: MODERATELY
AOUBH (0); Pl..AMAA: LDCA.TED AT 39.2. MI...
40.0. MID G.3 FT.

SLIGHT\.Y FAAC'lUIED fFD31 FROM 043.3 TO !:i9.1 FT.
NITti 'DISCOHTIMUITIES AT ANlLES FROM' THE CORE
AXI8 AS ,.ou.OMS-

.. .JOINTS AT t2 TO t.. DEIAEES: SLI6HTl.Y OPEN (01):
VERY TlQM (U) IHFILLIN8 Of SILT AICl CUY:
F1lESH (Mll: SLIIHlLY ADUBH 1fW): PI..IJWt
LOCATED AT ...... G.e. 50.... AND 81.0 FT.

.. .JOINTS AT 40 TO 48 DEIiREES: TtIMT To SLIaHl'LY
OPEN (00 TO oU: VERY THIN ni) INFILLIHs OF
SILT. CLAY. AIClIYPSl.lt FRESH (Mi): PARTLY
HEALED OLS TO HEALED OLJ,): MODEIlATELY AOU5M
fA!l1 10 SU:6HTLV AOUllH OWl: fll.ANAA: LOCATED
AT 47:" 50.1. !51.s. AND 84.S FT.

3 .JOINTS AT ISO To II DEIAEES: SUIliHT1..Y OPEN lOll
TO MOD(RATELY OPEN 102): van THIN ni) TO
MOOEAATELY THIN n21 IfFILLIN8 OF 'JU AND
CUY: PAATLY HEALSI OL!O WITH IYPSlIM 10 NOT
HEALED: FRESH IWtl: MODERATELY RIlUIH IRS):
PLANAR: LOCATED AT 151.2. Bl.e. AND 9.3 FT.

I SHEET 2 OF . I DARl HOlE OIH02