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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002589

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G21

SEOL06IC L06 OF DRILL HOLE NO. DH-103

8HEET 2 lII' 4

FEAT\JilE: DUWl60 PUMPIJ<5 PlANT
lOCATIDJrt
8e.&lWrt os-o.-es "NISl1ED: 01-11.89
DEPTH AND ELEV. OF !fAm
. LEVEL ANJ DATE HEAS\lAED: 28. 2: I 844.80)

NOTES

1-11-811 211.0

PmCl. .,,1& LnIUI:
DATE ELEVATION
1.-30-89 ,.,....
2-27-89 6A86..
1-27-19 60464.'
NOTE - PIEZOMETER I....
SlALL.ATION DESTROYED
lH MAY 1989.

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PROJECT: ANlMASo-U PI.A T A
CDOl:oINATES: N 223223.11 E 1308224,.
TOTAL DEPTft 117.6
DEPTH TO 8EDROC1<: 27 ...
03-27-89

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DESCRIPTIVE CRlTEAIA FDA
AOCK.
DIUIiINB NO. AO-O-601l99 IT AtCWID OESCAtPTORS AMI
DESCRlPTtYE CAnERU FOR
DtSCONTII<<1tTIES .

ANGLES AAE MEASURE FROM TlE CORE AXIS AT 0 DEGREES.

ABBAEVIATIOMS:

Hll _ 2.!i IN. CORE DIA.., 3.18 IN. HCl.E OIA.
SPT .. STAIClAfIJ PEJEllU,TIor+ RESlST.ucE TESTING.
PIElO. - PIEIDMETER

STATE: CDL.ORADO
SROlN) ELEYAnON: 6493.0
ANilE FROM HORIZONt.A1.: 80 BEISIING:
HOlE L068ED BY: JH0I\MWP61!Ui~Sl~
REVIEWED BY: 7~ K-AY~

CLASSIFICATION AND
PHYSICAL CONDITION

SlIGHT1..Y ROUIlH a:wl: PlAIWt L.OCATED FROM 28..
TO 30.8 Fl.

.9 JOINTS AT 2!l 10 30 DESJEES: SPACED 0.8 TO 1.2
n.: TISHT IDOl TO SLIlIHTl.Y OPEN 101): VERY
'OaN (Til INFILL1N8 F SILT AND CARBONACEOUS
FRAGtIB<<S, WITH IfION aJcIDE STAINS ON .JOINT
SlfIFACES: MDOEAAiEl..Y ME.lTHEAED 015); SLIGHTLY
ROU&H lJUl: PLNWt LOCATED FROM 29.8 TO 30.8
FT.

VERY SLI&MTl.. Y FAAC'TlRD CFllS) FADM 30. B TO 11.8
..,.. MlTH OISCDtlTINUITIES AT ANllUS FROM THE CORE.
AXIS AI FOIJ.OIIS -

3 BECDING .JOINTS AT 77 TO ... DEBAEES: TIGHT IDOl:
CLEAN (TO) TO VERY THIN ITn IMFILUN6 OF SILT
AtCl CLAY, MITH COATINGS OF IRON OXIDE ON JOINT
stR"ACES: SLI6Hl\.Y NEAnEAED tW31: MQOERA.Ta..Y
ROU8H CR3): PLANAR; LOCATED AT co..... ..1.&. AND
157.2 n.

.2 JOINTS AT . AND .tB O'fSRE!S; TIGHT lDO): CLEAN
ITa} WITH COATIN8S OF IRON OXIDE ON .JOINT
SLAFACES: SLIGHTl.Y WEAltEREO 1N3J: MOOEAATa..Y
ROU&H Ga): PUHAR: LOCATED AT S6.3 ANO 51.0
FT.

IIt.1I - ...It IJlTUIIEDOED 8JLTnONE AM) UICtSTGIE
....,
INTERVAl CONSIstS Of IJ'FtAOXIM...Ta.:y 70 PERCENT
SILTSTONE ....JC1 30 PERCENT SAKlSTONE. Nt1H ONE COAL
6EAM FROM 75.1 TO 78.8 FT.

SILTSTONE - tAABDMACEOUS FROM 72. S TO 7S. B Ate)
76.8 TO 77..2 n. lAD.lAcan TO COAL SEAM). GRAY TO
DAAC 6lUY: lAMINATED O-IESS THAN 51B IN.) AT 77 TO
81 DEliAfES FROM 'TlE CORE AXIS: MDOERATEl.. Y SOFT
lH5). 6A0Cl'VED TO 1/11 IN. MtTH MOOEFlAtt PRESSlItE:
MEAK 10 NO"AUCTION WITH!CL.

SAICISTON!E - f"lNE SRA.1M:D. IIUAAttOSL U6H1' SRA.Y
I- TO BA...y, OCCASIOHAL CMIlONACEOUS PAflTICLES SCAT-
TlJlED THROU&HOUT. LAMIMAtED TO VERY THINLY 8EDDEO
11/32 IN. TO 0.1 n.) AT 77 TO 111 DE6AEE8 fROM
~ THE CORE AXIS; MOD!AA'TELY HARD OM) " TO HARD OI!S)
CORE eREAKS WITH MODEAATl TO MEAY'Y Hof,MIlER lILOlt
MEAl( TO NO HCL REACTION.

I7VEAAU. INTERVAl. CONTAINS ISOLATED fossn BORINGS
AICI 8HELLI TO 1/1 IN.. IS FRESH eu}. AIC) HAS ..
GAAD....T1DNAL LOMEFl CONTACT. INTENSa.Y FJU,CT\RI)
tFD7] FROM &1.& TO 83.B n. MIlH DISCONTIMltTIES
AT ANGl.ES FADM T1E. CORE: I.X1S AS fOlJ.OW -

1" RANDOM FRACTURES NO't!D FROM 81.& TO 83.8 ".
AT 30 TO 15 DEiAEES FAOM TtE CORE AXIS; SPACED
1/2 IN. TO 0." n.: MOSt ARE lIINT 100) AND
a.EAN (TO). .. fa .....'WE A VERY lM1M flU 1M-
FILLIN5 OF sILT AND lUSSES OF PYRITE TO 1/8

I SHEET 2 DF .4 I DRILL HDLE DH-103