ML18193A829

Log of Trench PV-BH-14, Backhoe Trench, North Wall

ML18193A829
Person / Time
Site:	Palo Verde
Issue date:	07/23/1973
From:	Arizona Public Service Co
To:	US Atomic Energy Commission (AEC)
References
Download: ML18193A829 (1)

Text

BACKHOE TRENCH P Y-BH-l4 North 8'all FEE 7 Z

6 I

8

/0

/Z

/6

/8 ZO ZZ Z4 Z6 I

ZB 30 I

3Z 3'6 38 40 4Z I

46 SOIL - Si lty, sandy gravel-Light brown, loose, moderately calcareous; poorly sorted, subongular to subroundi onde-sitic grovels, minor scattered boulders N36 E

/0 Oars groy, fresh, vnfroctured volconics.

Bosolt light gray on fresh surfoce, md tO gray green When alteredl slight to i ntense weathering; moderately to severely fractured.

0A7UM LINE Poult A N 48v W<<87oS o

..o I

I I

Iy red.

(

I I

II a

'POCbei iw

/

I Red basalt I

very weathe I

Ground Surface Gray - green volcanics - AIle re d, highly fractured Red

. Tuff Stream Alluvium - Volcanic grovels (9 Contact Soil-Surface debris of tuff from 6

vnderlying tuff unit.

C n

.<<I

<<I m a w,

I i.n<<%

3a.

-.. n L1 r C' p.

D b<<o '..s1.

Fault N45ow<<75oNE I: d:nA<i T ~i- 't~-.g.~.4'~'6 Fau!t T'vff'55 W,eZ NG 4.

', rl.'-

-cf

..'<<D ) ~

<<v

-b ~ ~:a.m'.~,lI,.A p.:P.-'p a~.xI p' g

Indistinct color change due to differential olterobon Caliche veins-Generally horizontal orientation.

Trench Floor Sondy Tvff-red lo pine, moderately hard, slightly calcareovs; moderately sortedl subongvlarl orbosic sand.

Tuff white, modarately

hard, fresh, slightly calcareous; contains minor fine-grained svbongvlor gvartz ond biotite phenocrystsl randomly jointed.

i Date of Excavation:

7-23-73 LOG OF TRENCH PV BH I4