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) ) Figure 4.7. Graph of carbonate factors for core KN25-4GPC. The pal eotemperature curve of Emi 1 i ani (1971) is on a linear time scale~ but the curves of core parameters represent depths in the core, and they are not adjusted to a time scale. The curve of relative surface productivity is derived from the carbonate and dissolution curves, using the assumptions that foraminiferal tests constitute 100% of the carbonate and that they were transported to the sediment by vertical settling with little or no horizontal transportation. The zonation (left) is based on the abundance of the Globorotalia menardii complex (see Chapter V). 83
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I "a f IMods Hole '" ~ o c.,,~tlOGR
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) )
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" \ / )
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parent sediment on the eastern oute
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esearch. 5 )
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Res u 1 ts. . . . . . . . . . . . .
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Figure 3.12 Echo-sounding profile (
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Fi gure 6.14 6. 15 7. 1 7.2 7.3 7.4
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\ I ) Table 4. 1 4.2 5.1 5.2 5.3 6.
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CHAPTER I INTRODUCTION The area inv
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) \ .1 Fi gure i. 1. Bathymetry of
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~. ~ 71° 70° tI 68 fJ0 25° 7' 25
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) ) This is expected since most of
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GENERAL DES CRI PT I ON CHAPTE R I
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j
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egi onal contours. An area centered
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this region. However, all of these
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) ì /
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') ) ) /
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'"-, i~ 7t 70° 6f 68 67° 25° 72
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Fig u r e 3. 2 . CON RA D 10 s e is
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sequence corresponds to layered tur
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) . .) Figure 3.3. Map showing domi
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\ )
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"- '''--.- 25° ................. .
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) ) others, 1973), and the upper po
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) Figure 3.5. CONRAD 8 seismic refl
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. Q) 3W/L NOI.L~ l( . (Y CI s. :: 0
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.) Figure 3.6. Idealized profile al
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) ) a: 0 ~ ~ (J L. Z Q) a: ~ lU UJ
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) ) Figure 3.7. CONRAD 10 seismic r
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i- (Y (1 ~:: en or- LL 47
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) ) THE TRANSPARENT LAYER The distr
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Fi gure 3.8. CH A I N 34 s e ism i
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Page 79 and 80: ) Figure 3.9. CONRAD 10 seismic ref
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Page 83 and 84: \ J ) Figure 3.10. Seismic reflecti
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Page 87 and 88: ì ) Figure 3.11. CONRAD 10 seismic
Page 89 and 90: l UJ .líliiiP',,:... ¡ '"'" ~ ' ~
Page 91 and 92: ) .I Figure 3.12. Echo-soundi ng pr
Page 93 and 94: N CV OJ s. :: 01 l. 62
Page 95 and 96: ) ) Figure 3.13. CONRAD 10 seismic
Page 97 and 98: (' r- (' (j $. :: en 'r- LL 64
Page 99 and 100: ) ) GENERAL LITHOLOGY CHAPTER iv TH
Page 101 and 102: ~ , ) Figure 4.1. General lithology
Page 103: .'-/ '..-/ AIr 60-8 A II 60-8 An60~
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Page 108 and 109: average of 80% lutite (~ 2 ~m) and
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Page 112 and 113: .\ ! ') )
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Page 116 and 117: 10 m2, with an average value of 1.3
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Page 120 and 121: The laminated zones and overlying p
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Page 124 and 125: \ j )
Page 128 and 129: ') '-~/' ) :;"
Page 130 and 131: ) ) /
Page 133 and 134: ) ) ~U E ~ a. ~ U LO ~ METERS o N v
Page 135 and 136: ;'", : ) j fraction of the foramini
Page 137 and 138: ) ) Diffractograms of the lutite fr
Page 139 and 140: '-j \_-- TABLE 4.1. MINERALOGY OF T
Page 141 and 142: ) . ì ) of North America have clay
Page 143 and 144: \ ) ) Figure 4.9. Chlorite abundanc
Page 145 and 146: ) ) CHLORITE (c:2 tLm) WEIGHTED PEA
Page 147 and 148: ) ) Figure 4.10. Chlorite abundance
Page 149 and 150: " ~ ) ) 80° 70° 60° i 0 No i I .
Page 151 and 152: : ) ) abundances (Biscaye, 1965; Ra
Page 153 and 154: '"'/ '-/ TABLE 4.2. M I N E RA LOG
Page 155 and 156: ) ) deep-sea areas), the sediment m
Page 157 and 158: ) ) REGIONAL PATTERNS CHAPTE R V CH
Page 159 and 160: ) ) Pliocene/Pleistocene boundary.
Page 161 and 162: ¡~ , J ,) 109 Figure 5.1. Percent
Page 163 and 164: ~.. G RC 8-129 CH 3S VIS-17 , HP 0
Page 165 and 166: , ) ) ,J ) W through Z zones in the
Page 167 and 168: . j near-surface samples: 1) the wi
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Page 171 and 172: ) Figure 5.2. Ages and general lith
Page 173 and 174: ",-/ ,~~ CH 57-4 w zwuow CH 57-12 C
Page 175 and 176: ) ~-: , Puerto Rico Trench has rece
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. ) ) ) ~. WATER MASSES CHAPTER VI
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) i~J 123 The NADW overlying th~ AA
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'--. '~¿ TABLE 6.1. SUMMARY OF CUR
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) , Fi gure 6.1. Bathymetri c map o
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'~. tU 68 6JO 25° 63° 24° 24° 2
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) ) 130 the fine-grained sediment ~
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) ì ~ Figure 6.2. Potential-temper
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) l" (W) H.Ld30 0 0 0 0 0 0 0 to 0
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~ ~ en flU) H.1d30 0 0 0 0 0 II 0 0
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) j) 3 An: 1845 ------ POTENTIAL TE
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) ) STA An 1835 POTENTIAL TEMPERATU
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~ ) ~ v in in in lO in ~ in ~ ~ 0 v
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''' \-." PO TEN T/A L TEMPERATURE
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, ) ) 139 Figure 6.3. Potential tem
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. "- \ '-_/ 60° . . " . ,. .. . .
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) \ ) At Station 1826, twenty-two k
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) 143 Figure 6.4. Traces of potenti
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) ) -. ~ 4000 4500 ~ 5000 ~ c: 5500
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) ) 146 Figure 6.5. Diagram of pote
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The silicate values plotted against
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\ / \ í --_/
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Secti on 1 (Crest) TABLE 6.2. CALCU
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eference level above the crest of t
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\ ) )
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156 substantial flow not indicated
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'ì j .)
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) ) ./
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) )
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) \ j Lf ¡ ii~ l1 .. ~õ .. g~ -z
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. ) ) Figure 6.10. Progressi ve vec
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oad opposing flows, one to the WNW
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) .)
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InN 0 ve m b e r, 1 9 7 1, a s e co
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., J , l -j
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progressive vector diagrams (Fig. 6
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(Fig. 6.13). The strongest currents
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)/ )
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\ I / \ j
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Figure 6.14 176
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) ) Greater Antilles Outer Ridge, a
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) ) Figure 6.15. i 79 Summary of di
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Fig u re 6. i 5 180
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) , ! j INTRODUCTION CHAPTER VI I S
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) ) Figure 7.1. 183 Locati ons of s
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\ . I ) ) Fi gure 7. 1 24° NARES 6
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, ,J / \ j 186 Figure 7.2. Light-sc
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has been di scussed. As poi nted ou
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\ ) l j
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191 Fig. 6. 2) i son 1 y a b 0 u to
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12 pg/liter, compared with an avera
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) -)
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9 u re 7. 4 196
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) .J Figure 7.5. Scanning e 1 e c t
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9 u re 7. 5
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) J thus accounting for this grain
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) _/ single bottom-sediment sample
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) ) concentrations when the weighti
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) ~) ! . 205 Figure 7.6. Relationsh
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~. \~ SAMPLE THICKNESS (p) 0.45 0.0
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" ) ) TABLE 7.2. MINERALOGY OF SUSP
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) / ) Fig u re 7. 7 . 210 X-ray di
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, ~ .. ,) \ ) " u 211 C\ CD C\ ~ (j
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) -) 14 cm/sec. 213 The rate of dep
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) ) J Any extensive erosion on the
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)/ ) ~ PREVIOUS THEORIES CHAPTER VI
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) ) 219 Figure 8.1. Schematic sketc
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ì / \ .) W ZWU0W W -l Cl Cl :i 0 t
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) . ) -~ sediment types and to laye
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) ) there are also other factors wh
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) , ~ 225 Figure 8.2. Synthesis of
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) ) / w zwuow w ~ -l o r- w -l o ~
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'~. ...-- TABLE 8.1. COMPARISON OF
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) \ --) configuration of this pocke
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) )
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) increased flow of AABW westward a
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1) )
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sedi ment was bei ng eroded in the
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, ) .. / )
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) )
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241 the Caicos Outer Ridge is suffi
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De t ail e d com po sit ion a 1 com
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normally must be determined by cori
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) ) REFERENCES CITED Amos, A.F. and
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') 249 Bunce, E. T . ~J . D . Phill
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) \ ) Fuglister, F.C. (1960) Atlant
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) ) Kennett, J.P. and P. Huddlestun
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\ ) ì ./ Reynolds, R.C. and J. How
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) ) 257 Worthington,L.V. andW.R.Wri
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.) ~) APPENDIX I SEDIMENT CORES Cor
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0 Li E 0 +' +' QJ oSa: 0 u +' 1t~0
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E Q) 0 c -i Q) Q) Q) Q) -i Q) c u 0
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) / APPENDI X I I BOTTOM PHOTOGRAPH
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) ) TABLE A2.1. BOTTOM PHOTOGRAPHS
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TABLE A2.1. BOTTOM PHOTOGRAPHS (Con
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) TABLE A2.1. BOTTOM PHOTOGRAPHS (C
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) ) TABLE A2.1. BOTTOM PHOTOGRAPHS
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) ) CH 36 CH 57 CH 75 KN 25 KN 25 T
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) / ) KN 25 KN 25 KN 25 LL 8 LL 8 T
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TABLE A2.1. BOTTOM PHOTOGRAPHS (Con
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)~J . / ) APPENDIX III SUSPENDED PA
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) ) s. -i M a LO .. .. Q) -l.. ~ a
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) ~ .. a i. M N M Q) ~.. M i. .- LO
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\,-/ '-- TABLE A3.1. SUSPENDED PART
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~ vane which penetrated deeper into
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~ ) ~ ~ \ ji 0.5 1.0 1.5 2.0 2.5 WA
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, ) ) 289 Figure A4.2. Plots of wat
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\. ~ WATER CONTENT (%ORY WT) SHEAR
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) \ j 291 Figure A4.3. Plots of wat
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, ',, ~ .~ WATER CONTENT (% DRY WT.
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') ) 293 Figure A4.4. Plots of wate
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, ) )
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, ) )
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'. I ) )
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) ) ~ ~ ~ WATER CONTENT (%DRY WT) 6
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) ) Figure A4.7. Plots of water con
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) Fig u re A4. 7 300
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) ) ./ 301 Figure A4.8. Plots of wa
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) ) t\-- §" ~ o ~ ~ ~ ~ ~ V) a Q:
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) ) Fi g u re A4. 9 . 303 Plots of
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) ) tI WATER CONTENT (% DRY WT) 60
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~ ) -) 305 Figure A4.10. Plots of w
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o (/ ) ~ i. l. ~ 12 ) 4 8 16 20 306
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. I ) .)
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) )
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) ) V) ~l. ~ WATER CONTENT (%DRY WT
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) ) 311 Figure A4.13. Plots of wate
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\ ' ) ) ./
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Tucholke, B.E., C.D. Hollister, and
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~' \'~ -i -1. -ater "'ge - f1odsile
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\ ) ) UNCLASSIFI ED 1/31/74 SECURIT
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Institution

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