Table 5. Stratigraphic distribution of radiolarians at Hole 1082A.
Age
Zone
Core, section,
interval
Depth
(mbsf)
Abundance
Preservation
Amphirhopalum ypsilon
Cycladophora cornutoides
Cycladophora davisiana
Eucyrtidium calvertense
Eucyrtidium teuscheri
Eucyrtidium acuminatum
Lamprocyclas hannai
Lamprocyrtis heteroporos
Lamprocyrtis neoheteroporos
Pterocanium praetextum eucolpum
Pterocanium trilobum
Spongurus pylomaticus
Axoprunum angelinum
Didymocyrtis tetrathalamus tetrathalamus
Phormostichoartus corbula
Cycladophora pliocenica
Theocorythium trachelium
Cycladophora sakaii
Phormostichoartus fistula
Didymocyrtis penultima
Stichocorys peregrina
Dictyophimus sp. B
Saturnalis circularis
Stichocorys delmontensis


175-1082A-
Pleistocene A. angulare 18X-CC 163.06 A G + + P P P + P + P P P P











Pleistocene A. angulare 19X-CC 172.74 A G P
P P P + P P P
P P + P









Pleistocene A. angulare 20X-CC 183.51 C G
P P P P
P P
+ P


+








Pliocene P. prismatium 21X-CC 193.47 A G

P P P

P P
P
+
+ P







Pliocene P. prismatium 22X-CC 201.31 A G +
P P P
P P

P P P P
+ P






Pliocene P. prismatium 23X-CC 213.19 A G + P P P P + P P P + P P P P P








Pliocene P. prismatium 24X-CC 223.03 A G
P P P P + P


P P P + P








Pliocene P. prismatium 25X-CC 231.46 A G + P P + P
P


P P P
+

+





Pliocene P. prismatium 26X-CC 244.38 A G
P

+
P P P
P
P










Pliocene P. prismatium 27X-CC 252.12 A G P P P + P + P


P + P
+

P





Pliocene P. prismatium 28X-CC 262.14 A G

P
P
P P

P + +



P





Pliocene P. prismatium 29X-CC 273.16 C G

P
P
P
P
P P




P





Pliocene C. sakaii-S. pylomaticus 30X-CC 280.53 A G P P
P P
P P

P P P



P





Pliocene C. sakaii-S. pylomaticus 31X-CC 289.10 A G P

P P
P P

P P P
P P
P





Pliocene C. sakaii-S. pylomaticus 32X-CC 299.62 A M P P

P
P P P + P P P
P P
P





Pliocene C. sakaii-S. pylomaticus 33X-CC 309.63 R M
P

P
P +





+ P
+





Pliocene C. sakaii-S. pylomaticus 34X-CC 317.67 A M P P

P +
P
P P P


P
P P




Pliocene C. sakaii-S. pylomaticus 36X-CC 328.55 A G +

P P
P P

+
+ + + P
+





Pliocene C. sakaii-S. pylomaticus 35X-CC 328.60 A G
P
P P +
P

P

+ P P







Pliocene C. sakaii-S. pylomaticus 37X-CC 337.01 A G



P
P P


P P

P


+



Pliocene C. sakaii-S. pylomaticus 38X-CC 349.23 A G
P

P P P

+ P P + + P P







Pliocene C. sakaii-S. pylomaticus 39X-CC 356.49 A M
P
P P
P P

P P P
P P



+


Pliocene C. sakaii-S. pylomaticus 40X-CC 366.46 A G
P
P P
P P P

P P + P




P


Pliocene C. sakaii-S. pylomaticus 41X-CC 378.29 A M


P P
P P

P P P + P




P


Pliocene C. sakaii-S. pylomaticus 42X-CC 386.97 A M


P P
P P + P P P







P +

Pliocene C. sakaii-S. pylomaticus 43X-CC 396.06 A M


P P
P P


P P










Pliocene C. sakaii-S. pylomaticus 44X-CC 405.07 A G


P P
P P

P P P
P




P +

Pliocene C. sakaii-S. pylomaticus 45X-CC 414.98 A M


P P
P P


P







P +

Pliocene C. sakaii-S. pylomaticus 46X-CC 424.11 A M


P

P


P P P
P





P

Pliocene C. sakaii-S. pylomaticus 47X-CC 432.96 A M


P

P P P
P P







P


Pliocene C. sakaii-S. pylomaticus 48X-CC 442.70 A M
+
P P
P P +
P P P
+




P


Pliocene C. sakaii-S. pylomaticus 49X-CC 455.85 A M


P P
P P +

P







P


Pliocene C. sakaii-S. pylomaticus 51X-CC 472.75 A M


P P
P P P

P P






P


Pliocene C. sakaii-S. pylomaticus 52X-CC 482.40 A G


P

P P


P P +



+
P
+ +
Pliocene C. sakaii-S. pylomaticus 53X-CC 491.85 A M



P
P P


P P






P


Pliocene C. sakaii-S. pylomaticus 54X-CC 503.56 A M


P

P P


P P






P
+ +
Miocene Unzoned 55X-CC 513.60 A M


P P
P




P





+ P
P
Miocene Unzoned 56X-CC 523.15 A M


P

P +

P
P





P P
P P
Miocene Unzoned 57X-CC 532.68 A M


P

P




P






P
P
Miocene Unzoned 58X-CC 541.98 F P























Miocene Unzoned 59X-CC 550.05 B
























Miocene Unzoned 60X-CC 561.13 A M


P

P P



P








P
Miocene Unzoned 61X-CC 570.48 A M


P

P P



P






P
+
Miocene Unzoned 62X-CC 579.77 C P


P







P




+
+


Miocene Unzoned 63X-CC 590.05 A M


P





+
P








+
Miocene Unzoned 64X-CC 599.98 A P


P

P




P








P

Notes: Occurrence is indicated by P = present and + = one specimen per slide. Abundance: A = abundant; C = common; R = rare; and B = barren. Preservation: G = good; M = moderate; and P = poor. Zone: A. angulare = Anthocyrtidium angulare; C. sakaii = Cycladophora sakaii; P. prismatium = Pterocanium prismatium; S. pylomaticus = Spongurus pylomaticus.