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Takashima, Reishi; Selby, David; Yamanaka, Toshiro; Kuwahara, Yoshihiro; Nakamura, Hideto; Sawada, Ken; Ikeda, Masashi A; Ando, Takuto; Hayashi, Keiichi; Nishida, Mari; Usami, Toshiaki; Kameyama, Daichi; Nishi, Hiroshi; Kuroyanagi, Azumi; Gyawali, Babu Ram (2024): Calcareous nannofossil biostratigraphy for the OAE2 strata in the Omagari-zawa section [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.964211, In: Takashima, R et al. (2024): Multi-proxy dataset of mid-Cretaceous Oceanic Anoxic Event 2 for the Omagari-zawa section, Hokkaido, Japan [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.964200

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Keyword(s):
Climate change; large igneous province; mid-Cretaceous; Northwestern Pacific; Nutrient supply
Funding:
Japan Society for the Promotion of Science (JSPS), grant/award no. 18KK0091: Improvement of Cretaceous Geologic Time Scale
Japan Society for the Promotion of Science (JSPS), grant/award no. 20H02012: Forest devastation during extreme greenhouse climate
Japan Society for the Promotion of Science (JSPS), grant/award no. 21H04503: Environmental changes during the Latest Cretaceous Mass Extinction Event recorded in the complete K/Pg boundary sequence discovered firstly in East Asia
Coverage:
Median Latitude: 44.156044 * Median Longitude: 142.017120 * South-bound Latitude: 44.154096 * West-bound Longitude: 142.011422 * North-bound Latitude: 44.157991 * East-bound Longitude: 142.022817
Date/Time Start: 2011-08-05T23:00:00 * Date/Time End: 2018-08-24T07:00:00
Minimum DEPTH, sediment/rock: 0.0 m * Maximum DEPTH, sediment/rock: 741.5 m
Event(s):
OAE2_OMZ * Latitude Start: 44.157991 * Longitude Start: 142.022817 * Latitude End: 44.154096 * Longitude End: 142.011422 * Date/Time Start: 2011-08-05T23:00:00 * Date/Time End: 2018-08-24T07:00:00 * Elevation Start: 215.0 m * Elevation End: 235.0 m * Method/Device: Rock sample (ROCK)
Comment:
1 = present, - = absent, ? questinable occurence
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Sample IDSample IDGyawali, Babu Ram
2 DEPTH, sediment/rockDepth sedmGyawali, Babu RamGeocode – Level
3 PreservationPreservGyawali, Babu Ram
4 AbundanceAbundGyawali, Babu Ram
5 Biostratigraphic datumBiostrat datumGyawali, Babu Ram
6 Assipetra sp.Assipetra sp.Gyawali, Babu Ram
7 Axopodorhabdus albianusA. albianusGyawali, Babu Ram
8 Amphizygus brookseiA. brookseiGyawali, Babu Ram
9 Biscutum constansB. constansGyawali, Babu Ram
10 Broinsonia enormisB. enormisGyawali, Babu Ram
11 Broinsonia signataB. signataGyawali, Babu Ram
12 Calculites sp.Calculites sp.Gyawali, Babu Ram
13 Cribrosphaerella ehrenbergiiC. ehrenbergiiGyawali, Babu Ram
14 Chiastozygus sp.Chiastozygus sp.Gyawali, Babu Ram
15 Corollithion kennedyiC. kennedyiGyawali, Babu Ram
16 Corollithion signumC. signumGyawali, Babu Ram
17 Cyclagelosphaera sp.Cyclagelosphaera sp.Gyawali, Babu Ram
18 Discorhabdus ignotusD. ignotusGyawali, Babu Ram
19 Eiffellithus turriseiffeliiE. turriseiffeliiGyawali, Babu Ram
20 Eprolithus floralisE. floralisGyawali, Babu Ram
21 Eprolithus moratusE. moratusGyawali, Babu Ram
22 Eprolithus octopetalusE. octopetalusGyawali, Babu Ram
23 Eprolithus rarusE. rarusGyawali, Babu Ram
24 Gartnerago sp.Gartnerago sp.Gyawali, Babu Ram
25 Grantarhabdus sp.Grantarhabdus sp.Gyawali, Babu Ram
26 Haquis circumradiatusH. circumradiatusGyawali, Babu Ram
27 Helicolithus ancepsH. ancepsGyawali, Babu Ram
28 Helicolithus sp.Helicolithus sp.Gyawali, Babu Ram
29 Nannoconus sp.Nannoconus sp.Gyawali, Babu Ram
30 Prediscosphaera columnataP. columnataGyawali, Babu Ram
31 Quadrum gartneriQ. gartneriGyawali, Babu Ram
32 Quadrum intermediumQ. intermediumGyawali, Babu Ram
33 Quadrum sp.Quadrum sp.Gyawali, Babu Ram
34 Radiolithus planusR. planusGyawali, Babu Ram
35 Repagulum parvidentatumR. parvidentatumGyawali, Babu Ram
36 Retecapsa sp.Retecapsa sp.Gyawali, Babu Ram
37 Rhagodiscus achlyostaurionR. achlyostaurionGyawali, Babu Ram
38 Rhagodiscus angustusR. angustusGyawali, Babu Ram
39 Rhagodiscus asperR. asperGyawali, Babu Ram
40 Rhagodiscus sp.Rhagodiscus sp.Gyawali, Babu Ram
41 Rotelapillus crenulatusR. crenulatusGyawali, Babu Ram
42 Seribiscutum sp.Seribiscutum sp.Gyawali, Babu Ram
43 Staurolithites sp.Staurolithites sp.Gyawali, Babu Ram
44 Tegumentum sp.Tegumentum sp.Gyawali, Babu Ram
45 Tranolithus orionatusT. orionatusGyawali, Babu Ram
46 Watznaueria barnesiaeW. barnesiaeGyawali, Babu Ram
47 Watznaueria sp.Watznaueria sp.Gyawali, Babu Ram
48 Zeugrhabdotus bicrescenticusZ. bicrescenticusGyawali, Babu Ram
49 Zeugrhabdotus diplogrammusZ. diplogrammusGyawali, Babu Ram
50 Zeugrhabdotus embergeriZ. embergeriGyawali, Babu Ram
51 Zeugrhabdotus erectusZ. erectusGyawali, Babu Ram
52 Zeugrhabdotus noeliaeZ. noeliaeGyawali, Babu Ram
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
2654 data points

Data

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

1 
Sample ID		2 
Depth sed [m]		3 
Preserv		4 
Abund		5 
Biostrat datum		6 
Assipetra sp.		7 
A. albianus		8 
A. brooksei		9 
B. constans		10 
B. enormis		11 
B. signata		12 
Calculites sp.		13 
C. ehrenbergii		14 
Chiastozygus sp.		15 
C. kennedyi		16 
C. signum		17 
Cyclagelosphaera sp.		18 
D. ignotus		19 
E. turriseiffelii		20 
E. floralis		21 
E. moratus		22 
E. octopetalus		23 
E. rarus		24 
Gartnerago sp.		25 
Grantarhabdus sp.		26 
H. circumradiatus		27 
H. anceps		28 
Helicolithus sp.		29 
Nannoconus sp.		30 
P. columnata		31 
Q. gartneri		32 
Q. intermedium		33 
Quadrum sp.		34 
R. planus		35 
R. parvidentatum		36 
Retecapsa sp.		37 
R. achlyostaurion		38 
R. angustus		39 
R. asper		40 
Rhagodiscus sp.		41 
R. crenulatus		42 
Seribiscutum sp.		43 
Staurolithites sp.		44 
Tegumentum sp.		45 
T. orionatus		46 
W. barnesiae		47 
Watznaueria sp.		48 
Z. bicrescenticus		49 
Z. diplogrammus		50 
Z. embergeri		51 
Z. erectus		52 
Z. noeliae
OMZ 275741.5Poor to ModerateLow---1--------111---------1---------1-----11-----
OMZ 273734.1Poor to ModerateLow---1--------11----------1---------1-----11-----
OMZ 270714.7PoorVery Low--------------1-------------------------11-----
OMZ 268703.9Poor to ModerateLow-------------111------------------1-----11-----
OMZ 267697.9Poor to ModerateLow----------11-111?--------------1-11-----11-----
OMZ 265676.1Poor to ModerateFew to CommonFO Q. gartneri---1---------11----------1-1------1-----11-----
OMZ 262656.1PoorVery Low----------------------------------------11-----
OMZ 689643.6Poor to ModerateLowFO Q. intermedium----1--------111-1--------1-----1-1----111---1-
OMZ 259632.8ModerateLow------------111-----------?---11---1----11-----
OMZ 688627.2PoorLow------1------111--------1---------1-----1111---
OMZ 256613.0ModerateFew to Common---1-------1111-------------------------11-111-
OMZ 684600.0ModerateLow---1111------111--------1-----11-11-----11--1--
OMZ 254593.7ModerateFew to Common-----------11111--------1-?-11-1-1-----111-----
OMZ 679576.6PoorVery Low---------------------------------1------11-----
OMZ 251561.3ModerateLowFO E. moratus-----------11111----1------1--11-1-----111-----
OMZ 250549.4Poor to ModerateFew to Common--------------------------?-------------11-----
OMZ 250549.4PoorVery Low-----------------------------------------1-----
OMZ 200536.4PoorVery Low-----------------------------------------1-----
OMZ 669524.2PoorVery Low-------------1--------------------1------1-----
OMZ 206492.6Poor to ModerateFew to Common---1------------------------------1-----11-----
OMZ 207478.4Poor to ModerateFew to Common-?---------1-1--------------------------11-----
OMZ 208471.4Poor to ModerateFew to Common-------------11------------------------111-----
OMZ 222323.0PoorVery Low---1-------1------------------1--1-1----11-----
OMZ 228296.0PoorVery Low-----------------------------------------1-----
OM 052238.3PoorLow----------------------------------1------1-----
OM 041230.0ModerateLow-----------1-11---------1------1--1----111-----
OMZ 233212.4PoorVery Low-------------1---------------------------1-----
OMZ 224207.8PoorVery Low-----------------------------------------1-----
OMZ 004200.6PoorLow---------------------------1-------------------
OM 017188.7PoorLow-?-----------1--------------1--11--------------
OM 057185.9ModerateCommon---1---11----11---1-----------11--1-----11-1-1-
OM 077170.3PoorVery Low------------------------1---------------11-----
OM 088160.2PoorVery Low----------------------------------------11-----
OMZ 244154.9PoorVery Low-----------------------------------------------
OMZ 041146.1Very PoorRare-----------------------------------------------
OMZ 512138.4PoorLow---------------------------------1------11-----
OMZ 106134.4PoorVery Low-----------------------------------------1-----
OMZ 107128.7PoorVery Low-----------------------------------------1-----
OMZ 523115.4Poor to ModerateLow-------------11------1---------1-11----11111---
OMZ 052103.2PoorLow----------------------------------------11-----
OMZ 053100.8PoorLow----------------------------------------11-----
OMZ 60189.8Poor to ModerateLow-------------11------1--1-----11-111---11111---
OMZ 60481.6PoorVery Low-----------------------------------------1-----
OMZ 61260.4ModerateFew to Common---1--------111---------1-----11-11-1--111-1--1
OMZ 61351.3PoorFew----------------------------------------11-1---
OMZ 06341.3ModerateCommon-----------1----------------1111-------111-----
OMZ 61735.6Moderate to GoodCommon--?11---1---111-------1-1---11-1-11-11-11111--1
OMZ 62025.0Very PoorRare-----------------------------------------1-----
OMZ 06623.0PoorFew to CommonLO A. albianus11-1---1---1111---1-----1-----1--11-11111111111
OMZ 62315.0PoorLow----------------------------------------11-----
OMZ 62510.4PoorFew to Common11-1---1---1111---1-----1-----1--11-11111111111
OMZ 0730.7ModerateFew to Common?-------1----1---------1----1-----------11-----
OMZ 0740.0ModerateCommon-------------1-----1--------------------11-1---