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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):
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):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
DEPTH, sediment/rockDepth sedmGeocode
Sample code/labelSample labelBerger, Glenn WDSDP/ODP/IODP sample designation
Lithologic unit/sequenceUnitBerger, Glenn W
Astacolus cephalotesA. cephalotesBerger, Glenn WValanginian-Albian
Marginulinopsis matutinaM. matutinaBerger, Glenn WHettangian-Barremian
Globulina bucculentaG. bucculentaBerger, Glenn WValanginian-Albian
Glomospirella gaultinaG. gaultinaBerger, Glenn WCallovian-Maastrichtian
Nodosaria sp.Nodosaria sp.Berger, Glenn Wvar. C, endemic
Nodosaria sp.Nodosaria sp.Berger, Glenn Wvar. D, endemic
10 Nodosaria sp.Nodosaria sp.Berger, Glenn Wvar. A, Upper Tithonian-Hauterivian
11 Nodosaria sp.Nodosaria sp.Berger, Glenn Wvar. B, endemic
12 Nodosaria sp.Nodosaria sp.Berger, Glenn Wunsculptured, endemic
13 Dentalina sp.Dentalina sp.Berger, Glenn Weven
14 Lenticulina nodosaL. nodosaBerger, Glenn WBerriasian-Aptian
15 Lenticulina saxonicaL. saxonicaBerger, Glenn WValanginian-Albian
16 Palmula crepidularisP. crepidularisBerger, Glenn WOxfordian-Aptian
17 Marginulinopsis bettenstaedtiM. bettenstaedtiBerger, Glenn WKimmeridgian-Albian
18 Marginulina inaequalisM. inaequalisBerger, Glenn WOxfordian-Aptian
19 Marginulina caelataM. caelataBerger, Glenn WValanginian
20 Citharina harpaC. harpaBerger, Glenn WValanginian-Barremian
21 Reophax sp.Reophax sp.Berger, Glenn Wquestionable, Upper Tithonian-Valanginian
22 Pseudonodosaria humilisP. humilisBerger, Glenn WValanginian-Albian
23 Lingulina lamellataL. lamellataBerger, Glenn WValanginian-Albian
24 Lingulina sp.Lingulina sp.Berger, Glenn Wvar. B, endemic
25 Lingulina sp.Lingulina sp.Berger, Glenn Wendemic
26 Lingulina biformisL. biformisBerger, Glenn WValanginian-Albian
27 Saracenaria lutanataS. lutanataBerger, Glenn WValanginian-Albian
28 Saracenaria crassicostaS. crassicostaBerger, Glenn WValanginian-Albian
29 Palmula malakialinensisP. malakialinensisBerger, Glenn WKimmeridgian-Barremian
30 Eoguttulina bilocularisE. bilocularisBerger, Glenn WHettangian-Albian
31 Ramulina tappanaeR. tappanaeBerger, Glenn WValanginian-Albian
32 Lenticulina roemeriL. roemeriBerger, Glenn WValanginian-Barremian
33 Vaginulina rectaV. rectaBerger, Glenn WAptian-Albian
34 Citharina truncataC. truncataBerger, Glenn WHauterivian-Albian
35 Reophax aff. eckernexR. aff. eckernexBerger, Glenn WValanginian-Hauterivian
36 Ammobaculites sp.Ammobaculites sp.Berger, Glenn Wquestionable, endemic
37 Nodosaria obscuraN. obscuraBerger, Glenn WValanginian-Santonium
38 Dentalina debilisD. debilisBerger, Glenn WOxfordian-Aptian
39 Palmula sp.Palmula sp.Berger, Glenn Wendemic
40 Citharina sp.Citharina sp.Berger, Glenn Wendemic
41 Tristix acutangulusT. acutangulusBerger, Glenn WValanginian-Albian
42 Astacolus microdictyotusA. microdictyotusBerger, Glenn WUpper Tithonian-Valanginian
43 Paalzowella feifeliP. feifeliBerger, Glenn WBathonian-Valanginian (Hauterivian?)
44 Lingulina semiornataL. semiornataBerger, Glenn WValanginian-Albian
45 Gavelinella barremianaG. barremianaBerger, Glenn WUpper Hauterivian-Lower Cenomanian
46 Foraminifera, benthicForam benth#Berger, Glenn W
47 Radiolarians abundanceRad abundBerger, Glenn W
48 Porifera spiculaePorifera spiculaeBerger, Glenn W
49 Ophiuroidea remainsOphiuroidea remBerger, Glenn W
50 OstracodaOstracBerger, Glenn W
51 Fish remainsFish remBerger, Glenn Wincluding fish teeth
Size:
600 data points

Data

Download dataset as tab-delimited text — use the following character encoding:


Depth sed [m]

Sample label

Unit

A. cephalotes
(Valanginian-Albian)

M. matutina
(Hettangian-Barremian)

G. bucculenta
(Valanginian-Albian)

G. gaultina
(Callovian-Maastrichtian)

Nodosaria sp.
(var. C, endemic)

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)
314.9625-249-26-2,46-48Subunit IIIBRRR---R-RRRRRRR----R-R-RRR---------R---RRC20ARRFR
315.0425-249-26-2,54-56Subunit IIIBRR--R-R-RR---RRR--R----RR-----------------11AR-AR
323.6925-249-27-2,19-21Subunit IIIBRRR-R-R--R-R------R--C-RR----------R------12CRRAR
332.5125-249-27-2,1-83Subunit IIIBRR-RR-R--RRRRR-------R-RR-----R---R-------15AC-RR
333.1225-249-27-2,62-63Subunit IIIBRR--R---RR-RR--------R-RRC----R-----------12AR-RR
352.5025-249-29-CCSubunit IIIARR--R-R--RR--R-R---R-R-RR-----R-------R---14AA-RC
371.9025-249-30-2,40-42Subunit IIIARRRR--R--RRRRR-------R-RR--RR--R----RR----19AR-RR
372.4425-249-30-2,94-96Subunit IIIARRR-R--RRR-RRCR-R-RR-R-RR-RC-RR--RRRR-----25CRRRR
372.8025-249-30-2,130-132Subunit IIIARRR-R---R--RRRR----R---RR--RRRR-----------16AR-RR
376.0025-249-30-CCSubunit IIIARRR-R-RR-R-R-RR-RRRRR-RRRRRR--------------21AR-R-
393.2425-249-31-3,124-126Subunit IIIARRRRRR---RRRRRRRR-------------------------14AR---
397.4425-249-31-3,144-16Subunit IIIARRR---------------------------------------3AA---