Sta. Type Penetrotii 

 No. Sampler' (ft.) 



»93-l 



P 



»93-2 



K 



»94-l 



K 



*95-1 



P 



96-1 



P 



»97-l 



P 



»98-l 



P 



*99-l 



P 



100-1 



OP 



101-1 



OP 



102-1 



OP 



103-1 



OP 



104-1 



OP 



105-1 



OP 



106-1 



OP 



108-1 

 109-1 

 110-1 



111-1 

 112-1 

 113-1 



118-1 



OP 



118-2 



K 



122-1 



OP 



,123-1 



K 



124-1 



OP 



124-2 



K 



.125-1 



K 



.126-1 



OP 



126-2 



K 



128-1 OP 

 129-1 OP 



,130-1 



K 



131-1 



K 



132-1 



K 



133-1 



K 



.134-2 



OP 



135-1 



OP 



135-2 



K 



.136-1 



K 



Length of 

 Core (in.) 



TABLE 2 

 Description of Bottom Samples and Corresponding Sonoprobe Record 

 Pescription of Bottom Samples and Remarks 



Mud becoming sand toward bottom . Some pebble 



shell, and woody material at bottom. (Sample 



disturbed . Core catcher dented .) 



Pebbles in core catcher. (Cutter and core catche 



smashed.) 



Clayey silt. 



Clayey silt. 



Fairly uniform core of silty clay^ 



Nosarr 



iple. (Dented 



cutter.) 







No sor 



nple. (Lost cor 



e cutter 



.) 





3" sandy mud over cla 



yeysilt 







No cor 



e, pebbles and 



sand In 



core c, 



jtcher. 



(Cutter 



dented.) 









No son 



,ple. 









Pebble: 



s and sand . 









Pebbly 



sand. 









Sand w 



ith some pebbl< 



!S. 







Pebble 



5 and sand with 



some sh 



ell. (Required 



three I 



owerings of sam 



ipler.) 







Silty sc 



3nd and broken 



shell. 







Pebbly 



sand. 









Pebbly 



sand with some 



isiltanr 



i shell. 





Sandy 



mud and some s 



hell. 







Clayey 



, sand . 









No son 



iple. (Lowered 



sampler 



twice. 



) 



No son 



iple. (Lowered 



sampler 



twice. 



) 



No son 



iple. 









Large pebbles with sor 



nemud. 







Clayey 



■silt. 









Clayey silt with shell scattered throughout. 



Slight increase in sand from 22-27". Soft 



areas 58-59" and 72-73". 



Uniform core of silty clay. Shell scattered 



throughout . 



Pebbly sand . 



No sample retained, (Core greatly disturbed.) 



Silty and pebbly sand. 

 Uniform core of silty clay, 



Silty clay. 



Uniform core of silty clay except 78-108" wher 



the core is less consolidated. 



No sample. (Core greatly disturbed.) 



Silty mud. 



Silty clay with thin lenses of sand . Last 22" 



distorted and probably disturbed . From 90 inch 



sand content increases. 



Silty clay, last 15 inches unconsolidated . 



ription of Corresponding 

 Sonoprobe Record 



Bedrock overlain by thin layer of sediments. 



Much like location 91. 



Coarse sediments. 



Sediments. Layer 12' below bottom and bedroc 



58 feet below bottom. 



Bedrock bottom. 



Bedrock bottom, 



15 feet sediments over bedrock. Sb at 12 feet 



below bottom. 



Bedrock bottom. 



Bedrock bottom. 



Layer of sediments over bedrock. 



3 foot layer of sediments over bedrock. 



Bedrock with a thin layer of sediments. 



Bedrock bottom . 



■ bedrock . 



- bedrock . To 20 feet 



r 20 feet penetratic 

 bedrock . 



Bedrock bottom. 



Coarse sediments 



Coarse sediments 



penetration . 



Sediments over bedrock. 



Sediments probobly thin. 



Thin layer of sediments o' 



Bedrock. 



Seems to be thin loyer of sediments over 



bedrock . 



Bedrock with a thin layer of sediments. 



Thin layer of sediments over bedrock . 



Scattered reflections to Sb2layer 22 feet be 



bottom. Bedrock return discontinuous o 



1-2 feet of sediments over coarse material or 



bedrock .' 



Coarse sediments. Up to 12 feet penetration. 



Fine grained uniform sediments. Penetration to 



Sb at 48 feet. 



Uniform sediments. Penetration to over 50 feet, 



Sb at 28 feet . 



Bedrock . 



Thin layer of sediments 



Silty mud. 

 Clayey mud. 



Sandy and pebbly mud to about 24 inches, where 



the amount of sand and pebbles decreases, to become 



pebbly again in the last 4 inches. 



Silty cloy with zones of soft material and hard clay. 



Becomes sandy below 60 inches. 



Fairly uniform silty cloy becoming softer toward the 



bottom and soft zones throughout. 



Fairly uniform core of silty cloy. 



Uniform core of silty clay with scattered shell . 



Muddy sand and pebbles, (Kullenberg core 



penetrated 2-3 feet.) 



Silty clay. 



Uniform silty cloy. 



Silty sand on top becoming increasingly sandy 



below 6 inches. Pebbles throughout. 



Uniform sediments . Penetration to about 90 feet . 

 Seems to be coarse till or bedrock. Sb at 20 feet. 

 Bedrock with several feet of sediments above. 

 Layer of coarse sediments over bedrock . Layer at 

 4 feet below bottom. 



Faint layers at 5 feetond 12 feet. Penetration 



about 20 feet . 



Maximum penetration about 80 feet. Sb layer at 



34 feet . 



Uniform sediments. 



Uniform sediments. Penetration to over 80 feet. 



Sb at 20 to 50 feet . 



Thin layer of sediments over bedrock. Reflector 



at 3 feet . 



Fairly uniform sediments. Penetration to about 60' 



Sb layer over bedrc 

 below bottom . 



:k. Bedrock possibly 10 feet 



38 



