Riegraf, Wolfgang (1978): Occurence of microfossils in Early Cretaceous sediments of DSDP Hole 25-249 (Tab. 1) [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.669647, Supplement to: Riegraf, W (1978): Benthonische Schelf-Foraminiferen aus dem Valanginium-Hauterivium (Unterkreide) des Indischen Ozeans südwestlich Madagaskar (Deep Sea Drilling Project Leg 25, Site 249). Geologische Rundschau, 78(3), 1047-1061, https://doi.org/10.1007/BF01829334
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Abstract:
From 12 radiolarian-rich claystone samples of the DSDP-Leg 25, Site 249, situated in the western Indian Ocean southwest of Madagascar 4 species of agglutinated and 38 species of calcareous benthonic foraminifera are described, 13 of them in open nomenclature. As a lot of Valanginian species and Gavelinella barremiana occur in the foraminiferal faunas described here a Valanginian-Hauterivian age is assigned to them. These microfaunas investigated here yield some index species characteristic in the Lower Cretaceous deposits of Northern Germany and also from the near-by Madagascar. Nodosariids dominate in a striking way with 36 species, especially of Astacolus, Citharina, Lenticulina, Lingulina, Marginulinopsis, Nodosaria, Saracenaria, and Vaginulina. Important Neocomian species well-known from other DSDP sites, namely Praedorothia ouachensis (SIGAL) and planktonic foraminifers, are missing. The microfaunas of Site 249 have to be derived from shelf areas.
Project(s):
Deep Sea Drilling Project (DSDP)
Coverage:
Latitude: -29.949800 * Longitude: 36.077000
Date/Time Start: 1972-08-18T00:00:00 * Date/Time End: 1972-08-18T00:00:00
Minimum DEPTH, sediment/rock: 314.96 m * Maximum DEPTH, sediment/rock: 397.44 m
Event(s):
25-249 * Latitude: -29.949800 * Longitude: 36.077000 * Date/Time: 1972-08-18T00:00:00 * Elevation: -2098.0 m * Penetration: 412 m * Recovery: 221.4 m * Location: Indian Ocean//RIDGE * Campaign: Leg25 * Basis: Glomar Challenger * Method/Device: Drilling/drill rig (DRILL) * Comment: 33 cores; 285 m cored; 0 m drilled; 77.7 % recovery
Comment:
R = rare (1-5 specimens), C = common (6-20 specimens), A = abundante (>29 specimens, or dominant occurence with more than 30 %), - = absent. Parameter comments give the global occurence of benthic foraminifera
Parameter(s):
# | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
---|---|---|---|---|---|---|
1 | DEPTH, sediment/rock | Depth sed | m | Geocode | ||
2 | Sample code/label | Sample label | Berger, Glenn W | DSDP/ODP/IODP sample designation | ||
3 | Lithologic unit/sequence | Unit | Berger, Glenn W | |||
4 | Astacolus cephalotes | A. cephalotes | Berger, Glenn W | Valanginian-Albian | ||
5 | Marginulinopsis matutina | M. matutina | Berger, Glenn W | Hettangian-Barremian | ||
6 | Globulina bucculenta | G. bucculenta | Berger, Glenn W | Valanginian-Albian | ||
7 | Glomospirella gaultina | G. gaultina | Berger, Glenn W | Callovian-Maastrichtian | ||
8 | Nodosaria sp. | Nodosaria sp. | Berger, Glenn W | var. C, endemic | ||
9 | Nodosaria sp. | Nodosaria sp. | Berger, Glenn W | var. D, endemic | ||
10 | Nodosaria sp. | Nodosaria sp. | Berger, Glenn W | var. A, Upper Tithonian-Hauterivian | ||
11 | Nodosaria sp. | Nodosaria sp. | Berger, Glenn W | var. B, endemic | ||
12 | Nodosaria sp. | Nodosaria sp. | Berger, Glenn W | unsculptured, endemic | ||
13 | Dentalina sp. | Dentalina sp. | Berger, Glenn W | even | ||
14 | Lenticulina nodosa | L. nodosa | Berger, Glenn W | Berriasian-Aptian | ||
15 | Lenticulina saxonica | L. saxonica | Berger, Glenn W | Valanginian-Albian | ||
16 | Palmula crepidularis | P. crepidularis | Berger, Glenn W | Oxfordian-Aptian | ||
17 | Marginulinopsis bettenstaedti | M. bettenstaedti | Berger, Glenn W | Kimmeridgian-Albian | ||
18 | Marginulina inaequalis | M. inaequalis | Berger, Glenn W | Oxfordian-Aptian | ||
19 | Marginulina caelata | M. caelata | Berger, Glenn W | Valanginian | ||
20 | Citharina harpa | C. harpa | Berger, Glenn W | Valanginian-Barremian | ||
21 | Reophax sp. | Reophax sp. | Berger, Glenn W | questionable, Upper Tithonian-Valanginian | ||
22 | Pseudonodosaria humilis | P. humilis | Berger, Glenn W | Valanginian-Albian | ||
23 | Lingulina lamellata | L. lamellata | Berger, Glenn W | Valanginian-Albian | ||
24 | Lingulina sp. | Lingulina sp. | Berger, Glenn W | var. B, endemic | ||
25 | Lingulina sp. | Lingulina sp. | Berger, Glenn W | endemic | ||
26 | Lingulina biformis | L. biformis | Berger, Glenn W | Valanginian-Albian | ||
27 | Saracenaria lutanata | S. lutanata | Berger, Glenn W | Valanginian-Albian | ||
28 | Saracenaria crassicosta | S. crassicosta | Berger, Glenn W | Valanginian-Albian | ||
29 | Palmula malakialinensis | P. malakialinensis | Berger, Glenn W | Kimmeridgian-Barremian | ||
30 | Eoguttulina bilocularis | E. bilocularis | Berger, Glenn W | Hettangian-Albian | ||
31 | Ramulina tappanae | R. tappanae | Berger, Glenn W | Valanginian-Albian | ||
32 | Lenticulina roemeri | L. roemeri | Berger, Glenn W | Valanginian-Barremian | ||
33 | Vaginulina recta | V. recta | Berger, Glenn W | Aptian-Albian | ||
34 | Citharina truncata | C. truncata | Berger, Glenn W | Hauterivian-Albian | ||
35 | Reophax aff. eckernex | R. aff. eckernex | Berger, Glenn W | Valanginian-Hauterivian | ||
36 | Ammobaculites sp. | Ammobaculites sp. | Berger, Glenn W | questionable, endemic | ||
37 | Nodosaria obscura | N. obscura | Berger, Glenn W | Valanginian-Santonium | ||
38 | Dentalina debilis | D. debilis | Berger, Glenn W | Oxfordian-Aptian | ||
39 | Palmula sp. | Palmula sp. | Berger, Glenn W | endemic | ||
40 | Citharina sp. | Citharina sp. | Berger, Glenn W | endemic | ||
41 | Tristix acutangulus | T. acutangulus | Berger, Glenn W | Valanginian-Albian | ||
42 | Astacolus microdictyotus | A. microdictyotus | Berger, Glenn W | Upper Tithonian-Valanginian | ||
43 | Paalzowella feifeli | P. feifeli | Berger, Glenn W | Bathonian-Valanginian (Hauterivian?) | ||
44 | Lingulina semiornata | L. semiornata | Berger, Glenn W | Valanginian-Albian | ||
45 | Gavelinella barremiana | G. barremiana | Berger, Glenn W | Upper Hauterivian-Lower Cenomanian | ||
46 | Foraminifera, benthic | Foram benth | # | Berger, Glenn W | ||
47 | Radiolarians abundance | Rad abund | Berger, Glenn W | |||
48 | Porifera spiculae | Porifera spiculae | Berger, Glenn W | |||
49 | Ophiuroidea remains | Ophiuroidea rem | Berger, Glenn W | |||
50 | Ostracoda | Ostrac | Berger, Glenn W | |||
51 | Fish remains | Fish rem | Berger, Glenn W | including fish teeth |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
600 data points
Data
1 Depth sed [m] | 2 Sample label | 3 Unit | 4 A. cephalotes (Valanginian-Albian) | 5 M. matutina (Hettangian-Barremian) | 6 G. bucculenta (Valanginian-Albian) | 7 G. gaultina (Callovian-Maastrichtian) | 8 Nodosaria sp. (var. C, endemic) | 9 Nodosaria sp. (var. D, endemic) | 10 Nodosaria sp. (var. A, Upper Tithonian-Haute...) | 11 Nodosaria sp. (var. B, endemic) | 12 Nodosaria sp. (unsculptured, endemic) | 13 Dentalina sp. (even) | 14 L. nodosa (Berriasian-Aptian) | 15 L. saxonica (Valanginian-Albian) | 16 P. crepidularis (Oxfordian-Aptian) | 17 M. bettenstaedti (Kimmeridgian-Albian) | 18 M. inaequalis (Oxfordian-Aptian) | 19 M. caelata (Valanginian) | 20 C. harpa (Valanginian-Barremian) | 21 Reophax sp. (questionable, Upper Tithonian...) | 22 P. humilis (Valanginian-Albian) | 23 L. lamellata (Valanginian-Albian) | 24 Lingulina sp. (var. B, endemic) | 25 Lingulina sp. (endemic) | 26 L. biformis (Valanginian-Albian) | 27 S. lutanata (Valanginian-Albian) | 28 S. crassicosta (Valanginian-Albian) | 29 P. malakialinensis (Kimmeridgian-Barremian) | 30 E. bilocularis (Hettangian-Albian) | 31 R. tappanae (Valanginian-Albian) | 32 L. roemeri (Valanginian-Barremian) | 33 V. recta (Aptian-Albian) | 34 C. truncata (Hauterivian-Albian) | 35 R. aff. eckernex (Valanginian-Hauterivian) | 36 Ammobaculites sp. (questionable, endemic) | 37 N. obscura (Valanginian-Santonium) | 38 D. debilis (Oxfordian-Aptian) | 39 Palmula sp. (endemic) | 40 Citharina sp. (endemic) | 41 T. acutangulus (Valanginian-Albian) | 42 A. microdictyotus (Upper Tithonian-Valanginian) | 43 P. feifeli (Bathonian-Valanginian (Hauter...) | 44 L. semiornata (Valanginian-Albian) | 45 G. barremiana (Upper Hauterivian-Lower Cenom...) | 46 Foram benth [#] | 47 Rad abund | 48 Porifera spiculae | 49 Ophiuroidea rem | 50 Ostrac | 51 Fish rem (including fish teeth) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
314.96 | 25-249-26-2,46-48 | Subunit IIIB | R | R | R | - | - | - | R | - | R | R | R | R | R | R | R | - | - | - | - | R | - | R | - | R | R | R | - | - | - | - | - | - | - | - | - | R | - | - | - | R | R | C | 20 | A | R | R | F | R |
315.04 | 25-249-26-2,54-56 | Subunit IIIB | R | R | - | - | R | - | R | - | R | R | - | - | - | R | R | R | - | - | R | - | - | - | - | R | R | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 11 | A | R | - | A | R |
323.69 | 25-249-27-2,19-21 | Subunit IIIB | R | R | R | - | R | - | R | - | - | R | - | R | - | - | - | - | - | - | R | - | - | C | - | R | R | - | - | - | - | - | - | - | - | - | - | R | - | - | - | - | - | - | 12 | C | R | R | A | R |
332.51 | 25-249-27-2,1-83 | Subunit IIIB | R | R | - | R | R | - | R | - | - | R | R | R | R | R | - | - | - | - | - | - | - | R | - | R | R | - | - | - | - | - | R | - | - | - | R | - | - | - | - | - | - | - | 15 | A | C | - | R | R |
333.12 | 25-249-27-2,62-63 | Subunit IIIB | R | R | - | - | R | - | - | - | R | R | - | R | R | - | - | - | - | - | - | - | - | R | - | R | R | C | - | - | - | - | R | - | - | - | - | - | - | - | - | - | - | - | 12 | A | R | - | R | R |
352.50 | 25-249-29-CC | Subunit IIIA | R | R | - | - | R | - | R | - | - | R | R | - | - | R | - | R | - | - | - | R | - | R | - | R | R | - | - | - | - | - | R | - | - | - | - | - | - | - | R | - | - | - | 14 | A | A | - | R | C |
371.90 | 25-249-30-2,40-42 | Subunit IIIA | R | R | R | R | - | - | R | - | - | R | R | R | R | R | - | - | - | - | - | - | - | R | - | R | R | - | - | R | R | - | - | R | - | - | - | - | R | R | - | - | - | - | 19 | A | R | - | R | R |
372.44 | 25-249-30-2,94-96 | Subunit IIIA | R | R | R | - | R | - | - | R | R | R | - | R | R | C | R | - | R | - | R | R | - | R | - | R | R | - | R | C | - | R | R | - | - | R | R | R | R | - | - | - | - | - | 25 | C | R | R | R | R |
372.80 | 25-249-30-2,130-132 | Subunit IIIA | R | R | R | - | R | - | - | - | R | - | - | R | R | R | R | - | - | - | - | R | - | - | - | R | R | - | - | R | R | R | R | - | - | - | - | - | - | - | - | - | - | - | 16 | A | R | - | R | R |
376.00 | 25-249-30-CC | Subunit IIIA | R | R | R | - | R | - | R | R | - | R | - | R | - | R | R | - | R | R | R | R | R | - | R | R | R | R | R | R | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 21 | A | R | - | R | - |
393.24 | 25-249-31-3,124-126 | Subunit IIIA | R | R | R | R | R | R | - | - | - | R | R | R | R | R | R | R | R | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 14 | A | R | - | - | - |
397.44 | 25-249-31-3,144-16 | Subunit IIIA | R | R | R | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3 | A | A | - | - | - |