leg site hole core section top interval depth(cm) bottom interval depth (cm) coredepth(m) sample depth(m) total number of observed fossils investigators name publication date (month/year) dsdp initial report volume number fossil group group abundance chemical overgrowth chemical dissolution mechanical preservations age page number reference fossil code fossil fossil abundance fossil preservation record join code 62 466 1 1 0.0 0.0 0.00 0.00 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DNITZ0380 Nitzschia marina PRESENT 1 62 466 1 1 0.0 0.0 0.00 0.00 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DNITZ0610 Nitzschia seriata PRESENT 1 62 466 1 1 0.0 0.0 0.00 0.00 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DPSED0010 Pseudoeunotia doliolus PRESENT 1 62 466 1 1 0.0 0.0 0.00 0.00 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAL0060 Thalassionema nitzschioides PRESENT 1 62 466 1 1 83.0 83.0 0.00 0.83 6 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DHEMD0010 Hemidiscus cuneiformis PRESENT 1 62 466 1 1 83.0 83.0 0.00 0.83 6 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DNITZ0380 Nitzschia marina PRESENT 1 62 466 1 1 83.0 83.0 0.00 0.83 6 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DPSED0010 Pseudoeunotia doliolus PRESENT 1 62 466 1 1 83.0 83.0 0.00 0.83 6 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAA0095 Thalassiosira eccentrica PRESENT 1 62 466 1 1 83.0 83.0 0.00 0.83 6 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAL0060 Thalassionema nitzschioides COMMON 1 62 466 1 1 83.0 83.0 0.00 0.83 6 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAS0020 Thalassiothrix longissima PRESENT 1 62 466 1 2 83.0 83.0 0.00 2.33 12 SANCETTA,C.A. 11/1981 62 DIATOMS RARE GOOD NO AGE GIVEN 357 DACTI0050 Actinocyclus ehrenbergii PRESENT 1 62 466 1 2 83.0 83.0 0.00 2.33 12 SANCETTA,C.A. 11/1981 62 DIATOMS RARE GOOD NO AGE GIVEN 357 DCOSC0160 Coscinodiscus crenulatus PRESENT 1 62 466 1 2 83.0 83.0 0.00 2.33 12 SANCETTA,C.A. 11/1981 62 DIATOMS RARE GOOD NO AGE GIVEN 357 DCOSC0470 Coscinodiscus lineatus PRESENT 1 62 466 1 2 83.0 83.0 0.00 2.33 12 SANCETTA,C.A. 11/1981 62 DIATOMS RARE GOOD NO AGE GIVEN 357 DDENT0160 Denticula seminae fossilis PRESENT 1 62 466 1 2 83.0 83.0 0.00 2.33 12 SANCETTA,C.A. 11/1981 62 DIATOMS RARE GOOD NO AGE GIVEN 357 DNITZ0380 Nitzschia marina RARE 1 62 466 1 2 83.0 83.0 0.00 2.33 12 SANCETTA,C.A. 11/1981 62 DIATOMS RARE GOOD NO AGE GIVEN 357 DNITZ0610 Nitzschia seriata PRESENT 1 62 466 1 2 83.0 83.0 0.00 2.33 12 SANCETTA,C.A. 11/1981 62 DIATOMS RARE GOOD NO AGE GIVEN 357 DPSED0010 Pseudoeunotia doliolus FEW 1 62 466 1 2 83.0 83.0 0.00 2.33 12 SANCETTA,C.A. 11/1981 62 DIATOMS RARE GOOD NO AGE GIVEN 357 DRHIZ0300 Rhizosolenia styliformis PRESENT 1 62 466 1 2 83.0 83.0 0.00 2.33 12 SANCETTA,C.A. 11/1981 62 DIATOMS RARE GOOD NO AGE GIVEN 357 DTHAA0095 Thalassiosira eccentrica PRESENT 1 62 466 1 2 83.0 83.0 0.00 2.33 12 SANCETTA,C.A. 11/1981 62 DIATOMS RARE GOOD NO AGE GIVEN 357 DTHAA0280 Thalassiosira oestrupii PRESENT 1 62 466 1 2 83.0 83.0 0.00 2.33 12 SANCETTA,C.A. 11/1981 62 DIATOMS RARE GOOD NO AGE GIVEN 357 DTHAL0060 Thalassionema nitzschioides COMMON 2 62 466 1 2 83.0 83.0 0.00 2.33 12 SANCETTA,C.A. 11/1981 62 DIATOMS RARE GOOD NO AGE GIVEN 357 DTHAS0020 Thalassiothrix longissima RARE 2 62 466 1 3 83.0 83.0 0.00 3.83 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DCOSC0160 Coscinodiscus crenulatus PRESENT 1 62 466 1 3 83.0 83.0 0.00 3.83 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DNITZ0380 Nitzschia marina RARE 1 62 466 1 3 83.0 83.0 0.00 3.83 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAA0280 Thalassiosira oestrupii RARE 1 62 466 1 3 83.0 83.0 0.00 3.83 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAL0060 Thalassionema nitzschioides COMMON 1 62 466 1 4 83.0 83.0 0.00 5.33 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DNITZ0380 Nitzschia marina RARE 1 62 466 1 4 83.0 83.0 0.00 5.33 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DPSED0010 Pseudoeunotia doliolus RARE 1 62 466 1 4 83.0 83.0 0.00 5.33 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAL0060 Thalassionema nitzschioides COMMON 1 62 466 1 4 83.0 83.0 0.00 5.33 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAS0020 Thalassiothrix longissima PRESENT 1 62 466 1 6 30.0 30.0 0.00 7.80 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DNITZ0380 Nitzschia marina RARE 1 62 466 1 6 30.0 30.0 0.00 7.80 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DPSED0010 Pseudoeunotia doliolus PRESENT 1 62 466 1 6 30.0 30.0 0.00 7.80 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DRHIZ0040 Rhizosolenia barboi PRESENT 1 62 466 1 6 30.0 30.0 0.00 7.80 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DTHAA0280 Thalassiosira oestrupii FEW 1 62 466 1 6 30.0 30.0 0.00 7.80 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DTHAL0060 Thalassionema nitzschioides FEW 1 62 466 1 CC 0.00 8.17 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DNITZ0380 Nitzschia marina PRESENT 1 62 466 1 CC 0.00 8.17 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DPSED0010 Pseudoeunotia doliolus PRESENT 1 62 466 1 CC 0.00 8.17 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DTHAA0095 Thalassiosira eccentrica PRESENT 1 62 466 1 CC 0.00 8.17 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DTHAL0060 Thalassionema nitzschioides PRESENT 1 62 466 2 1 130.0 130.0 8.00 9.30 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DNITZ0380 Nitzschia marina PRESENT 1 62 466 2 1 130.0 130.0 8.00 9.30 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DPSED0010 Pseudoeunotia doliolus PRESENT 1 62 466 2 1 130.0 130.0 8.00 9.30 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DRHIZ0050 Rhizosolenia bergonii PRESENT 1 62 466 2 1 130.0 130.0 8.00 9.30 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAA0280 Thalassiosira oestrupii PRESENT 1 62 466 2 1 130.0 130.0 8.00 9.30 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAL0060 Thalassionema nitzschioides PRESENT 1 62 466 2 2 130.0 130.0 8.00 10.80 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DNITZ0380 Nitzschia marina PRESENT 1 62 466 2 2 130.0 130.0 8.00 10.80 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DNITZ0570 Nitzschia reinholdii PRESENT 1 62 466 2 2 130.0 130.0 8.00 10.80 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DPSED0010 Pseudoeunotia doliolus PRESENT 1 62 466 2 2 130.0 130.0 8.00 10.80 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DTHAA0280 Thalassiosira oestrupii PRESENT 1 62 466 2 2 130.0 130.0 8.00 10.80 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DTHAL0060 Thalassionema nitzschioides PRESENT 1 62 466 2 3 130.0 130.0 8.00 12.30 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DDENT0160 Denticula seminae fossilis PRESENT 1 62 466 2 3 130.0 130.0 8.00 12.30 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DNITZ0570 Nitzschia reinholdii PRESENT 1 62 466 2 3 130.0 130.0 8.00 12.30 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DPSED0010 Pseudoeunotia doliolus PRESENT 1 62 466 2 3 130.0 130.0 8.00 12.30 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DRHIZ0040 Rhizosolenia barboi PRESENT 1 62 466 2 3 130.0 130.0 8.00 12.30 5 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAL0060 Thalassionema nitzschioides PRESENT 1 62 466 2 4 130.0 130.0 8.00 13.80 6 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DNITZ0380 Nitzschia marina RARE 1 62 466 2 4 130.0 130.0 8.00 13.80 6 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DNITZ0570 Nitzschia reinholdii FEW 1 62 466 2 4 130.0 130.0 8.00 13.80 6 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DPSED0010 Pseudoeunotia doliolus RARE 1 62 466 2 4 130.0 130.0 8.00 13.80 6 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAA0095 Thalassiosira eccentrica PRESENT 1 62 466 2 4 130.0 130.0 8.00 13.80 6 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAA0280 Thalassiosira oestrupii FEW 1 62 466 2 4 130.0 130.0 8.00 13.80 6 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAL0060 Thalassionema nitzschioides COMMON 1 62 466 2 CC 8.00 17.50 3 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DNITZ0380 Nitzschia marina PRESENT 1 62 466 2 CC 8.00 17.50 3 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DNITZ0570 Nitzschia reinholdii PRESENT 1 62 466 2 CC 8.00 17.50 3 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DRHIZ0040 Rhizosolenia barboi PRESENT 1 62 466 3 1 112.0 112.0 17.50 18.62 2 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DNITZ0380 Nitzschia marina PRESENT 1 62 466 3 1 112.0 112.0 17.50 18.62 2 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DNITZ0570 Nitzschia reinholdii PRESENT 1 62 466 3 2 112.0 112.0 17.50 20.12 10 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DCOSC0160 Coscinodiscus crenulatus PRESENT 1 62 466 3 2 112.0 112.0 17.50 20.12 10 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DHEMD0010 Hemidiscus cuneiformis PRESENT 1 62 466 3 2 112.0 112.0 17.50 20.12 10 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DNITZ0150 Nitzschia fossilis PRESENT 1 62 466 3 2 112.0 112.0 17.50 20.12 10 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DNITZ0380 Nitzschia marina RARE 1 62 466 3 2 112.0 112.0 17.50 20.12 10 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DNITZ0570 Nitzschia reinholdii COMMON 1 62 466 3 2 112.0 112.0 17.50 20.12 10 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DRHIZ0040 Rhizosolenia barboi RARE 1 62 466 3 2 112.0 112.0 17.50 20.12 10 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAA0095 Thalassiosira eccentrica PRESENT 1 62 466 3 2 112.0 112.0 17.50 20.12 10 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAA0280 Thalassiosira oestrupii RARE 1 62 466 3 2 112.0 112.0 17.50 20.12 10 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAL0060 Thalassionema nitzschioides FEW 1 62 466 3 2 112.0 112.0 17.50 20.12 10 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAS0020 Thalassiothrix longissima PRESENT 1 62 466 3 3 112.0 112.0 17.50 21.62 9 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DCOSC0160 Coscinodiscus crenulatus PRESENT 1 62 466 3 3 112.0 112.0 17.50 21.62 9 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DHEMD0010 Hemidiscus cuneiformis RARE 1 62 466 3 3 112.0 112.0 17.50 21.62 9 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DNITZ0150 Nitzschia fossilis FEW 1 62 466 3 3 112.0 112.0 17.50 21.62 9 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DNITZ0380 Nitzschia marina PRESENT 1 62 466 3 3 112.0 112.0 17.50 21.62 9 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DNITZ0570 Nitzschia reinholdii FEW 1 62 466 3 3 112.0 112.0 17.50 21.62 9 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DRHIZ0040 Rhizosolenia barboi RARE 1 62 466 3 3 112.0 112.0 17.50 21.62 9 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAA0095 Thalassiosira eccentrica PRESENT 1 62 466 3 3 112.0 112.0 17.50 21.62 9 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAL0060 Thalassionema nitzschioides FEW 1 62 466 3 3 112.0 112.0 17.50 21.62 9 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT MODERATE NO AGE GIVEN 357 DTHAS0020 Thalassiothrix longissima RARE 1 62 466 3 4 112.0 112.0 17.50 23.12 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DNITZ0150 Nitzschia fossilis RARE 1 62 466 3 4 112.0 112.0 17.50 23.12 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DNITZ0380 Nitzschia marina FEW 1 62 466 3 4 112.0 112.0 17.50 23.12 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DNITZ0570 Nitzschia reinholdii FEW 1 62 466 3 4 112.0 112.0 17.50 23.12 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DTHAL0060 Thalassionema nitzschioides COMMON 1 62 466 4 1 106.0 106.0 27.00 28.06 6 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DNITZ0150 Nitzschia fossilis PRESENT 1 62 466 4 1 106.0 106.0 27.00 28.06 6 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DNITZ0380 Nitzschia marina PRESENT 1 62 466 4 1 106.0 106.0 27.00 28.06 6 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DNITZ0570 Nitzschia reinholdii PRESENT 1 62 466 4 1 106.0 106.0 27.00 28.06 6 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DRHIZ0040 Rhizosolenia barboi PRESENT 1 62 466 4 1 106.0 106.0 27.00 28.06 6 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DTHAL0060 Thalassionema nitzschioides PRESENT 1 62 466 4 1 106.0 106.0 27.00 28.06 6 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DTHAS0020 Thalassiothrix longissima PRESENT 1 62 466 4 2 106.0 106.0 27.00 29.56 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DHEMD0010 Hemidiscus cuneiformis PRESENT 1 62 466 4 2 106.0 106.0 27.00 29.56 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DNITZ0150 Nitzschia fossilis PRESENT 1 62 466 4 2 106.0 106.0 27.00 29.56 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DNITZ0570 Nitzschia reinholdii PRESENT 1 62 466 4 2 106.0 106.0 27.00 29.56 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DTHAL0060 Thalassionema nitzschioides PRESENT 1 62 466 5 1 63.0 63.0 36.50 37.13 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DACTI0090 Actinocyclus ellipticus PRESENT 1 62 466 5 1 63.0 63.0 36.50 37.13 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DCOSC0160 Coscinodiscus crenulatus PRESENT 1 62 466 5 1 63.0 63.0 36.50 37.13 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DNITZ0310 Nitzschia jouseae PRESENT 1 62 466 5 1 63.0 63.0 36.50 37.13 4 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DTHAL0060 Thalassionema nitzschioides PRESENT 1 62 466 5 2 63.0 63.0 36.50 38.63 1 SANCETTA,C.A. 11/1981 62 DIATOMS PRESENT POOL NO AGE GIVEN 357 DNITZ0310 Nitzschia jouseae PRESENT 1