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Keller, Gerta (1979): Distribution of planktonic foraminifera in DSDP Hole 31-296 (Table III). PANGAEA, https://doi.org/10.1594/PANGAEA.706057, Supplement to: Keller, G (1979): Late Neogene planktonic foraminiferal biostratigraphy and paleoceanography of the Northwest Pacific DSDP Site 296. Palaeogeography, Palaeoclimatology, Palaeoecology, 27, 129-154, https://doi.org/10.1016/0031-0182(79)90097-X

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Abstract:
Late Neogene planktonic foraminiferal biostratigraphy of DSDP Site 296, Leg 31, reveals this site as an ideal reference section for correlation of Blow's low-latitude zonation with the mid-latitude zonation for temperate faunal assemblages developed in this paper and earlier for DSDP Site 310, Leg 31 (Keller). Abundance of temperate species of Globorotalia (G. inflata, G. puncticulata, G. crassaformis, G. conomiozea) permit correlation with the zonal subdivision developed at Site 310 based on these species. Evolutionary changes within the Globorotalia inflata group also appear to be consistent biostratigraphie markers in mid latitudes; a primitive variety of this species first appears at about 3.3-3.1 Ma, G. inflata praeinflata appears at about 2.6 Ma, and the modern form appears at about 2.2-2.1 Ma.
Quantitative analyses of planktonic foraminifera at DSDP Site 296 reveal an inversely reciprocal frequency oscillation between species of Globorotalia and the Globigerina-Globigerinita group. Cool climatic periods are characterized by high frequencies in the Globigerina-Globigerinita group and low frequencies in the Globorotalia group, whereas warm intervals are marked by high frequencies in the Globorotalia group and low frequencies in the Globigerina-Globigerinita group. Five cool paleoclimatic events can be recognized between early Pliocene and late Pleistocene: 4.4 Ma, 3.2-3.1 Ma, 2.4-2.2 Ma, 1.2 Ma, and 0.7 Ma. These paleoclimatic/paleoceanographic events have also been recognized in planktonic foraminifera of the Central and Northeast Pacific DSDP Sites 310 and 173 and also correlate to cold events recognized in oxygen isotope measurements of DSDP Site 310 and in equatorial Pacific cores.
Project(s):
Coverage:
Latitude: 29.340200 * Longitude: 133.525300
Date/Time Start: 1973-07-10T00:00:00 * Date/Time End: 1973-07-10T00:00:00
Minimum ORDINAL NUMBER: 1 * Maximum ORDINAL NUMBER: 60
Event(s):
31-296 * Latitude: 29.340200 * Longitude: 133.525300 * Date/Time: 1973-07-10T00:00:00 * Elevation: -2920.0 m * Penetration: 1087 m * Recovery: 301.2 m * Location: North Pacific/Philippine Sea/RIDGE * Campaign: Leg31 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 62 cores; 583.5 m cored; 9.5 m drilled; 51.6 % recovery
Comment:
Sample 31-296-20-4,100-102 was contaminated and therefore not included in the investigation
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1ORDINAL NUMBEROrd NoGeocode
2Sample code/labelSample labelKeller, GertaDSDP/ODP/IODP sample designation
3EpochEpochKeller, Gerta
4Planktic foraminifera zonePlank foram zoneKeller, GertaZonation of Blow (1969)
5Foraminifera, planktic preservationForam plankt preservKeller, GertaVisual descriptionP = poor, M = medium, G = good
6Foraminifera, planktic indeterminataForam plankt indet#Keller, GertaCounting >62 µm fractionunknown juvenils
7Globigerina aperturaG. apertura#Keller, GertaCounting >62 µm fraction
8Globigerina bulloidesG. bulloides#Keller, GertaCounting >62 µm fraction
9Globigerina bulbosaG. bulbosa#Keller, GertaCounting >62 µm fraction
10Globigerina decorapertaG. decoraperta#Keller, GertaCounting >62 µm fraction
11Globigerina druryiG. druryi#Keller, GertaCounting >62 µm fraction
12Globigerina falconensisG. falconensis#Keller, GertaCounting >62 µm fraction
13Globigerina foliataG. foliata#Keller, GertaCounting >62 µm fraction
14Globigerina praebulloidesG. praebulloides#Keller, GertaCounting >62 µm fraction
15Globigerina praedigitataG. praedigitata#Keller, GertaCounting >62 µm fraction
16Globigerina quadrilateraG. quadrilatera#Keller, GertaCounting >62 µm fraction
17Globigerina quinquelobaG. quinqueloba#Keller, GertaCounting >62 µm fraction
18Globigerina rubescensG. rubescens#Keller, GertaCounting >62 µm fraction
19Globigerina umbilicataG. umbilicata#Keller, GertaCounting >62 µm fraction
20Globigerina woodiG. woodi#Keller, GertaCounting >62 µm fraction
21Globigerinella siphoniferaG. siphonifera#Keller, GertaCounting >62 µm fraction
22Globigerinita glutinataG. glutinata#Keller, GertaCounting >62 µm fraction
23Globigerinita iotaG. iota#Keller, GertaCounting >62 µm fraction
24Globigerinita tenellusG. tenellus#Keller, GertaCounting >62 µm fraction
25Globigerinita uvulaG. uvula#Keller, GertaCounting >62 µm fraction
26Globigerinoides bolliiG. bollii#Keller, GertaCounting >62 µm fraction
27Globigerinoides conglobatusG. conglobatus#Keller, GertaCounting >62 µm fraction
28Globigerinoides fistulosusG. fistulosus#Keller, GertaCounting >62 µm fraction
29Globigerinoides obliquusG. obliquus#Keller, GertaCounting >62 µm fraction
30Globigerinoides obliquus extremusG. obliquus extremus#Keller, GertaCounting >62 µm fraction
31Globigerinoides quadrilobatusG. quadrilobatus#Keller, GertaCounting >62 µm fraction
32Globigerinoides ruberG. ruber#Keller, GertaCounting >62 µm fraction
33Globigerinoides sacculiferG. sacculifer#Keller, GertaCounting >62 µm fraction
34Globoquadrina altispiraG. altispira#Keller, GertaCounting >62 µm fraction
35Globoquadrina venezuelanaG. venezuelana#Keller, GertaCounting >62 µm fraction
36Globorotalia bononiensisG. bononiensis#Keller, GertaCounting >62 µm fraction
37Globorotalia cibaoensisG. cibaoensis#Keller, GertaCounting >62 µm fraction
38Globorotalia conoideaG. conoidea#Keller, GertaCounting >62 µm fraction
39Globorotalia conomiozeaG. conomiozea#Keller, GertaCounting >62 µm fraction
40Globorotalia conomiozeaG. conomiozea#Keller, GertaCounting >62 µm fractionsmall
41Globorotalia cf. conomiozeaG. cf. conomiozea#Keller, GertaCounting >62 µm fraction
42Globorotalia crassaformisG. crassaformis#Keller, GertaCounting >62 µm fractions.s.
43Globorotalia crassaformisG. crassaformis#Keller, GertaCounting >62 µm fractioncf. ronda
44Globorotalia crassaformis oceanicaG. crassaformis oceanica#Keller, GertaCounting >62 µm fraction
45Globorotalia crassaformis rondaG. crassaformis ronda#Keller, GertaCounting >62 µm fraction
46Globorotalia crassula violaG. crassula viola#Keller, GertaCounting >62 µm fraction
47Globorotalia cultrataG. culturata#Keller, GertaCounting >62 µm fraction
48Globorotalia hirsutaG. hirsuta#Keller, GertaCounting >62 µm fraction
49Globorotalia inflataG. inflata#Keller, GertaCounting >62 µm fractionmodern
50Globorotalia inflataG. inflata#Keller, GertaCounting >62 µm fractionprimitive
51Globorotalia inflata praeinflataG. inflata praeinflata#Keller, GertaCounting >62 µm fraction
52Globorotalia margaritaeG. margaritae#Keller, GertaCounting >62 µm fraction
53Globorotalia menardii neoflexuosaG. menardii neoflexuosa#Keller, GertaCounting >62 µm fraction
54Globorotalia miozeaG. miozea#Keller, GertaCounting >62 µm fraction
55Globorotalia cf. miozeaG. cf. miozea#Keller, GertaCounting >62 µm fraction
56Globorotalia miocenicaG. miocenica#Keller, GertaCounting >62 µm fraction
57Globorotalia multicamerataG. multicamerata#Keller, GertaCounting >62 µm fraction
58Globorotalia parkeraeG. parkerae#Keller, GertaCounting >62 µm fraction
59Globorotalia plesiotumidaG. plesiotumida#Keller, GertaCounting >62 µm fraction
60Globorotalia praehirsutaG. praehirsuta#Keller, GertaCounting >62 µm fraction
61Globorotalia praemiocenicaG. praemiocenica#Keller, GertaCounting >62 µm fraction
62Globorotalia cf. praemiocenicaG. cf. praemiocenica#Keller, GertaCounting >62 µm fraction
63Globorotalia praescitula sinistralG. praescitula s%Keller, GertaCounting >62 µm fraction
64Globorotalia praescitulaG. praescitula#Keller, GertaCounting >62 µm fraction
65Globorotalia cf. puncticulataG. cf. puncticulata#Keller, GertaCounting >62 µm fraction
66Globorotalia scitulaG. scitula#Keller, GertaCounting >62 µm fraction
67Globorotalia scitulaG. scitula#Keller, GertaCounting >62 µm fractionsmall
68Globorotalia tosaensisG. tosaensis#Keller, GertaCounting >62 µm fraction
69Globorotalia truncatulinoidesG. truncatulinoides#Keller, GertaCounting >62 µm fraction
70Globorotalia tumidaG. tumida#Keller, GertaCounting >62 µm fraction
71Globorotalia tumida flexuosaG. tumida flexuosa#Keller, GertaCounting >62 µm fraction
72Globorotalia ungulataG. ungulata#Keller, GertaCounting >62 µm fraction
73Globorotaloides hexagonusG. hexagonus#Keller, GertaCounting >62 µm fraction
74Hastigerina aequilateralisH. aequilateralis#Keller, GertaCounting >62 µm fraction
75Neogloboquadrina acostaensisN. acostaensis#Keller, GertaCounting >62 µm fraction
76Neogloboquadrina cf. acostaensisN. cf. acostaensis#Keller, GertaCounting >62 µm fraction
77Neogloboquadrina cf. continuosaN. cf. continuosa#Keller, GertaCounting >62 µm fraction
78Neogloboquadrina dutertreiN. dutertrei#Keller, GertaCounting >62 µm fraction
79Neogloboquadrina humerosaN. humerosa#Keller, GertaCounting >62 µm fraction
80Neogloboquadrina aff. humerosaN. aff. humerosa#Keller, GertaCounting >62 µm fraction
81Globigerina nepenthesG. nepenthes#Keller, GertaCounting >62 µm fraction
82Neogloboquadrina pachydermaN. pachyderma#Keller, GertaCounting >62 µm fractionform 1
83Neogloboquadrina pachydermaN. pachyderma#Keller, GertaCounting >62 µm fractionform 2
84Globoquadrina asanoiG. asanoi#Keller, GertaCounting >62 µm fraction
85Neogloboquadrina pachyderma sinistralN. pachyderma s%Keller, GertaCounting >62 µm fraction
86Orbulina bilobaO. biloba#Keller, GertaCounting >62 µm fraction
87Orbulina glomerosaO. glomerosa#Keller, GertaCounting >62 µm fraction
88Orbulina suturalisO. suturalis#Keller, GertaCounting >62 µm fraction
89Orbulina universaO. universa#Keller, GertaCounting >62 µm fraction
90Pulleniatina obliquiloculataP. obliquiloculata#Keller, GertaCounting >62 µm fractions.s.
91Pulleniatina obliquiloculata finalisP. obliquiloculata finalis#Keller, GertaCounting >62 µm fraction
92Pulleniatina primalisP. primalis#Keller, GertaCounting >62 µm fraction
93Sphaeroidinella dehiscensS. dehiscens#Keller, GertaCounting >62 µm fraction
94Sphaeroidinellopsis subdehiscensS. subdehiscens#Keller, GertaCounting >62 µm fraction
95Sphaeroidinellopsis seminulinaS. seminulina#Keller, GertaCounting >62 µm fraction
96Sphaeroidinellopsis seminulina kochiS. seminulina kochi#Keller, GertaCounting >62 µm fraction
97Foraminifera, plankticForam plankt#Keller, GertaCounting >62 µm fractionNo. Specimens counted
Size:
5757 data points

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