Transcript
Page 1: BP Gulf of Mexico Neogene Chronostratigraphic … oceanica (>4) (LO) Crenalithus doronicoides (1st acme) / Discoaster triradiatus (LCO) Discoaster asymmetricus (LCO) Reticulofenestra

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OLI

GO

CE

NE

MIO

CE

NE

PLI

OC

EN

EP

LEIS

TOC

EN

E

Holocene0.0117

Cha

ttian

28.1

Aqu

itani

anB

urdi

galia

n

20.44

Lang

hian

Ser

rava

llian

Torto

nian

Mes

sini

an

7.246

Zanc

lean

Pia

cenz

ian

Gel

asia

nE

AR

LY

0.773

LATE0.130

NP25

26.126

NP26

26.926

NN1

23.038

NN2

22.757

NN3

19.414

NN4

17.683

NN5

14.897

NN6

13.408

NN7

11.910

NN8

11.531

NN9

10.963

NN10

9.451

NN11A

8.317

NN11B

7.559

NN12a

5.440

NN12b

5.340

NN13

5.059

NN14

4.927

NN15

4.445

NN16

3.727

NN17

2.511

NN18

2.286

NN19a1.898

NN19b

1.698

NN19c1.607

NN19d

1.566

NN19e

1.246

NN19f

0.962

NN20

0.424

NN21a

NN21b0.070

CP19b

CN1a

CN1b

23.854

CN1c

CN2

CN3

17.791

CN4

CN5A

CN5B

CN6

CN7A

CN7B

10.732

CN8A

CN8B

8.738

CN9A

CN9B

CN10b

CN10c

4.812

CN11a

CN11b

4.102

CN12a

CN12b2.729

CN12c

CN12d

CN13a

CN13b

CN14a

CN15

Gephyrocapsa omega (>4) (LO)

Crenalithus asanoi (>6.5) (LO)

Gephyrocapsa oceanica (>5.5) (LO)

Gephyrocapsa caribbeanica (>4) (LO)Gephyrocapsa oceanica (>4) (LO)

Crenalithus doronicoides (1st acme) / Discoaster triradiatus (LCO)

Discoaster asymmetricus (LCO)

Reticulofenestra pseudoumbilicus (LFO)

Discoaster asymmetricus (LRO)

Ceratolithus cristatus (LO)

Ceratolithus acutus (LO)Ceratolithus apiculus (LO)

Amaurolithus amplificus (LO)

Amaurolithus delicatus (LO)

Amaurolithus primus (LO)

Catinaster mexicanus (LO) (8.204)

Discoaster berggrenii (LO) / Discoaster quinqueramus (LO)

Discoaster loeblichii (LO)

Discoaster prepentaradiatus (LCO)

Discoaster neorectus (>20) (LRO)

Discoaster bollii (LO)Catinaster coalitus (LFO) (10.732)Catinaster calyculus (LRO)

Discoaster hamatus (>15) (LO)

Discoaster hamatus (<10) (LO)Catinaster coalitus (LO)

Discoaster kugleri (LO)

Discoaster cuspidatus (LRO)

Cyclicargolithus bukryi (LO Acme)

Discoaster petaliformis (LO)

Calcidiscus premacintyrei (LRO)

Calcidiscus premacintyrei (LO)

Sphenolithus heteromorphus (LCO) Discoaster exilis (LO) (17.393)

Sphenolithus heteromorphus (LO)

Helicosphaera ampliaperta (>12) (LO)

Helicosphaera ampliaperta (LO)

Reticulofenestra pseudoumbilicus (LO)

Sphenolithus belemnos (LO)

Sphenolithus dissimilis (LO)

Discoaster druggii (>15) (LO)

Discoaster druggii (10-15) (LO)

Sphenolithus capricornutus s.s. (LO)

Gephyrocapsa omega (<4)G. caribbeanica A1/Gephyrocapsa spp. (<3) (inc)Emiliania huxleyi (LIO)

G. caribbeanica A2/G. caribbeanica (>3) (inc)

GO assemblage/Gephyrocapsa omega (<4) (inc)Umbilicosphaera rotula

GS assemblage/Gephyrocapsa spp. (<3) (inc)lower GS assemblage/G. caribbeanica (inc)

Pseudoemiliania lacunosa "1”(delicate)lower Pseudoemiliania lacunosa "1"

Pseudoemiliania lacunosa "1.5"

lower Pseudoemiliania lacunosa "1.5" (inc)Gephyrocapsa omega (>4)

Pseudoemiliania lacunosa "1.5" (inc)P. lacunosa "2"/Crenalithus japonicus

P. lacunosa "2 large"/Crenalithus asanoi

P. lacunosa "3"/Crenalithus doronicoides (HRO)

P. lacunosa "3"/Crenalithus doronicoides (inc)

Gephyrocapsa caribbeanica "B" (>6.5)Helicosphaera sellii (cf. sellii)

Helicosphaera sellii (lrg holes)

Helicosphaera sellii (inc)

Calcidiscus macintyreiCalcidiscus macintyrei (inc)

Dictyococcites productellus (inc)

Discoaster brouweri

Discoaster dennei

Discoaster asymmetricus / Discoaster triradiatus

Discoaster pentaradiatus

Discoaster surculus

Discoaster pliostellulus

Discoaster tamalis

Discoaster variabilis

Crenalithus doronicoides (2nd acme) / Discoaster asymmetricus (inc) / Discoaster tamalis (inc)

Dictyococcites productellus (inc)

Sphenolithus spp.

Pontosphaera multipora (GoM) Gephyrocapsa spp. (<3) (inc) / Sphenolithus abies (GoM)

Reticulofenestra pseudoumbilicus

Reticulofenestra pseudoumbilicus (HRO)Reticulofenestra gelida (>8) / Sphenolithus spp. (inc)

Amaurolithus delicatus Reticulofenestra pseudoumbilicus (inc)

Reticulofenestra pseudoumbilicus (>10) / Scyphosphaera globulata (GoM) Discoaster toralus / Helicosphaera zeta

Helicosphaera intermedia (4.102)Reticulofenestra pseudoumbilicus (acme) / Sphenolithus moriformis (acme)

Reticulofenestra pseudoumbilicus (>10) (inc) / Discoaster pansulus

Amaurolithus delicatus (HRO)Amaurolithus tricorniculatus / Reticulofenestra amplus (acme) /

Reticulofenestra pseudoumbilicus (LCO) (4.445)

Amaurolithus tricorniculatus (HRO)

Ceratolithus armatus

Dictyococcites antarcticus (HRO)

Ceratolithus acutus / Reticulofenestra spp. (<3) (flood)

Dictyococcites antarcticus (inc)

Dictyococcites antarcticus (HCO) (5.107)Ceratolithus atlanticus

Triquetrorhabdulus rugosus (5.232)Ceratolithus apiculus

Discoaster quintatus

Discoaster quinqueramus

Discoaster berggrenii

Discoaster quinqueramus (>15)

Amaurolithus amplificus

Discoaster vinsonii

Discoaster compactus (6.233)

Discoaster compactus (HRO) / Reticulofenestra rotaria (>5)

Discoaster extensus / Discoaster subsurculus / Discoaster pseudovariabilisDiscoaster tristellifer

Coccolithus pelagicus (inc)

Discoaster abrachiatus / Discoaster compactus (inc)

Discoaster bergenii / Discoaster calcaris / Discoaster loeblichiiDiscoaster icarus (HRO)

Dictyococcites productellus (inc)

Dictyococcites productellus (acme)Discoaster compactus (acme)

Discoaster neohamatus / Reticulofenestra spp. (<3) (bloom)

Discoaster prolixusMinylitha convallis

Discoaster abrachiatus (inc) (7.305)Discoaster pachyloeblichiiDiscoaster breviloeblichii

Discoaster hexaramus

Discoaster abrachiatus (dec)Catinaster mexicanus

Reticulofenestra pseudoumbilicus (re-entry)

Helicosphaera orientalis / Minylitha convallis (HRO)

Discoaster astellaris (7.912)

Discoaster gemmulatus

Discoaster bellus

Discoaster prepentaradiatus prepentaradiatusDiscoaster neohamatus (HRO) (8.484)

Reticulofenestra pseudoumbilicus (inc)

Discoaster prepentaradiatus plautus

Discoaster styzeniiDiscoaster prepentaradiatus (HCO)

Reticulofenestra gelida (>8) (inc)Discoaster bollii

Discoaster hamatus (<15)

Minylitha cancellata

Discoaster caulifloris

Discoaster hamatus (>15) (GoM)

Discoaster bollii (2nd acme) / Discoaster hamatus (inc)Discoaster caulifloris (inc)

Catinaster coalitus

Catinaster coalitus (inc) / Catinaster coalitus (>10)Discoaster gozoensis

Discoaster exilis

Reticulofenestra gelida (>8) (dec) (10.606)

Coccolithus pliopelagicus (>11) / Discoaster neohamatus (LO)Helicosphaera bownii

Coccolithus miopelagicus (>14)Discoaster cuspidatus / Discoaster emblematicus / Discoaster ulnatus

Discoaster hexapleuros (knb)

Discoaster kugleri / Discoaster patulusDiscoaster hexapleuros (11.531)

Discoaster deflandrei (HO/HRO)

Dictyococcites productellus (inc) / Reticulofenestra haqii (<3) (inc)

Discoaster sanmiguelensis (11.849)

Cyclicargolithus floridanus (<6) (11.962)

Dictyococcites antarcticus (inc)

Umbilicosphaera jafari (bloom) (12.125)Discoaster sanmiguelensis (HRO)

Calcidiscus spp. (inc)

Calcidiscus premacintyrei (HRO)

Cyclicargolithus floridanus (HRO)

Helicosphaera rhomba (HRO)

Cyclicargolithus bukryiDictyococcites antarcticus (inc) / Sphenolithus spp. (inc)

Discoaster musicus / Reticulofenestra kahniae (<8)Umbilicosphaera jafari (bloom)

Triquetrorhabdulus millowii (HRO)

Sphenolithus heteromorphus

Discoaster petaliformis

Cyclicargolithus bukryi (HRO)

Reticulofenestra amplus (inc)

Discoaster druggii (<10)Reticulofenestra pospichalii

Helicosphaera californiana (HRO) (13.988)Helicosphaera scissura

Cyclicargolithus bukryi (inc)

Discoaster arneyi

Discoaster premicros

Helicosphaera perch-nielseniae (HRO) (14.280)Discoaster deflandrei (inc)

Cyclicargolithus bukryi (HO Acme)Discoaster premicros (inc)

Discoaster petaliformis (HO Acme)

Helicosphaera ampliaperta

Discoaster salomonii

Discoaster leroyi (HRO)

Dictyococcites albitectus

Reticulofenestra amplus (inc)

Coronocyclus nitescens (>9) / Dictyococcites onustus

Cyclicargolithus floridanus (HO acme)

Helicosphaera ampliaperta (inc) / Helicosphaera ampliaperta (>12)

Discoaster shumnykii (HRO)

Helicosphaera mediterranea / Sphenolithus apoxisDiscoaster deflandrei (HO acme)

Discoaster druggii (>15)Sphenolithus heteromorphus (LFO) / Triquetrorhabdulus carinatusSphenolithus belemnos (HO)

Reticulofenestra spp. (<3) (flood)

Sphenolithus belemnos (HRO)

Sphenolithus belemnos (inc)

Discoaster calculosus s.s.

Sphenolithus paratintinnabulum / Sphenolithus procerus

Sphenolithus disbelemnos / Sphenolithus dissimilis

Discoaster saundersii

Triquetrorhabdulus carinatus (HRO) "Dictyococcites" filewiczii (19.011)

Dictyococcites albitectus (inc)

Cyclicargolithus floridanus (<6) (inc)

Cyclicargolithus floridanus (<6) (HCO) /Helicosphaera euphratis

Ilselithina fusa

Sphenolithus cometa (HRO)

Helicosphaera rectaCyclicargolithus floridanus (>9) (inc)

Sphenolithus conicus (>7)Cyclicargolithus abisectus (>11) / Helicosphaera scissura (LO)

Cyclicargolithus abisectus (>12)

Cyclicargolithus abisectus (inc)

Triquetrorhabdulus carinatus (inc)

Helicosphaera truncata

Clausicoccus fenestratus (HRO) / Helicosphaera disrupta

Sphenolithus microdelphix /Camuralithus pelliculathus (HRO)

Triquetrorhabdulus carinatus (HCO)

Sphenolithus disbelemnos (LO Acme)

Sphenolithus capricornutus s.s. / Sphenolithus spp. (flood)

Sphenolithus delphix

Sphenolithus conicus (inc)

Clausicoccus fenestratus (inc)

Cyclicargolithus abisectus (acme) / Dictyococcites bisectus (inc) /Dictyococcites stavensis (HRO)

Sphenolithus ciperoensis

Sphenolithus bulbulus

Sphenolithus ciperoensis (inc)

Sphenolithus peartiae Sphenolithus triangularis

Sphenolithus ciperoensis (>6)

Helicosphaera bramlettei

Globoconella inflata (GoM-local)

Globorotalia flexuosa (HRO)

Globorotalia truncatulinoides D/SGloborotalia hessi

Sphaeroidinella dehiscens (1st acme) /Globigerina incisa

Sphaeroidinella dehiscens (2nd acme)

Globorotalia crassula (inc)

Globorotalia menardii S/D

Globorotalia exilis

Globorotalia miocenica

Globorotalia pertenuis

Globorotalia multicamerata Dentoglobigerina altispira / Dentoglobigerina venezuelana / Sphaeroidinellopsis seminulina (3 ch.) (GoM)

Globorotalia margaritae (GoM)

Globoturborotalita nepenthes ("unhooded")

Globoturborotalita nepenthes (”hooded”)(GoM)

Globoturborotalita nepenthes (”hooded”) (inc)

Globorotalia plesiotumida

Sphaeroidinellopsis kochi (5 ch.)

Globigerinoides seigliei (GoM)

1st Globorotalia menardii D/S

2nd Globorotalia menardii D/S

Globorotalia primitiva (HRO)

Globorotalia juanai

Neogloboquadrina acostaensis D/S (HRO)

Globorotalia lenguaensis (GoM)

Globorotalia lenguaensis (GoM) (HRO)

Globoquadrina dehiscens s.s. (GoM)

Paragloborotalia mayeriParagloborotalia mayeri (HRO)

Globorotalia robusta (11.145)

Globorotalia robusta (HRO)(11.529)

Globorotalia lobata (11.657)

Globorotalia praefohsi

Globorotalia fohsi

Globorotalia peripheroacuta (12.774)Globorotalia peripheroacuta (HRO) Globorotalia peripheroronda (12.857)

Globorotalia peripheroronda (HRO)

Praeorbulina circularis / Praeorbulina curva /Praeorbulina glomerosa

Trilobatus sicanus (14.298) / Globigerinatella insueta (local) Trilobatus bisphericus

Globigerinatella insueta (HRO)

Globigerinatella insueta (inc)

Globigerinoides diminutus (HRO)

Catapsydrax dissimilis

Catapsydrax dissimilis (re-entry) Globigerinoides altiaperturus

Dentoglobigerina binaiensis

Trilobatus primordius

Paragloborotalia kugleri

Dentoglobigerina sellii (HRO)

Ciperoella angulisuturalis

Ciperoella ciperoensis (HRO)

Paragloborotalia nana (HRO)

Ciperoella angulisuturalis (HRO)

Globorotalia truncatulinoides (LO)

P22

N4b

N5

20.670

N6

18.694

N7

17.259

N8

16.579

N9

15.10

14.539

N11

14.054

N12

13.649

N13

11.812

N14

11.410

N15

10.492

N16

9.452

N17a

8.52

N17b

6.40

N18

N19

5.63

N20/

N21

4.790

N22

2.024

M1a

M1b

22.438

M4a

M5b

16.70

M9a

Pt1a

1.945

Pt1b

0.61

Ehrenbergina trigona (GoM-local)

Trimosina denticulata

Stilostomella antillea

2nd Trimosina denticulata(local)

Trifarina reussi

Hyalinea balthica (GoM-local)

Trifarina holcki /Uvigerina hispida (local)

Lenticulina wallacei var.

Lenticulina wallacei var. (HRO)

Textularia sica (GoM-local)

Bolivina imporcata (local)

Lenticulina lacrimata /Textularia crassisepta /

Bolivina imporcata (HRO)

Ceratobulimina pacifica

Saracenaria nuttalli

Alvarezina sinuata ("large") /Cibicorbis herricki

Textularia 25 /Cibicides pseudocarstensi /

Discorbis P

Uvigerina rustica

Buliminella basispinata (HRO) / Siphotextularia jugosa

Sigmoilopsis schlumbergeri var. (inc)

Bolivina M

Textularia X

Textularia 6

Textularia MR

Textularia M

Lenticulina vaughni var.Tritaxilina atlantica

Bigenerina floridana var. /Textularia 16

Cristellaria K / 1st MioceneMelonis pompilioides (GoM)

Amphistegina lessoni var.2nd Cristellaria K (local)

Cyclammina 3 /Uvigerina carapitana

Cibicides floridanus var.

2nd Miocene Melonispompilioides (GoM)

Bolivina thalmanni /Lenticulina wallacei var. /

Textularia 23 /Textularia G

Discorbis dissona (HRO) / Bigenerina B Lenticulina 15

“Listerella-Schenckiella” fauna / Cibicides K /

Bolivina floridana /Cibicidoides crebbsi

Spiroplectammina barrowi /Bolivina L

Cibicides inflata /Gyroidina scalata

Bigenerina directa /Cibicides carstensi (HRO) /

Gyroidina scalata (HRO)

Uvigerina basirotundaNodosaria angularis (local)

Lenticulina 5 (local)Textularia stapperi

Bigenerina humblei

Gyroidina 6 (local)

Lenticulina cristi

Cibicides opima /Lenticulina 49

Lenticulina chambersi (local)

Lenticulina 53

Amphistegina chipolensis

Discorbis crosbiei /Lenticulina macomberi /Lenticulina mayeri var.

(“non-beaded keel”)

Cibicides opima var. (local)

Eponides ornatus / Lenticulina mayeri var. (“beaded keel”) /

Operculinoides sp.

Saracenaria senni /Saracenaria schencki

Gyroidina K

Lenticulina chambersi (HRO)

Discorbis bolivarensis

Marginulina ascensionensis /Bolivina tenuistriata (local)

Siphonina davisi

Planulina palmerae

Lenticulina hanseni

Textularia panamensis /

Lenticulina jeffersonensis

Discorbis gravelli

Heterostegina texana

Cibicides jeffersonensis

Bolivina perca

Marginulina idiomorpha

Marginulina howei

QLGM

QMIS6

QMIS8

QMIS12

QMIS16

QMIS22

QCala2

QCala1

QGe2

QGe1

NPia2

NPia1

NZa2

NZa1

NMe2

NMe1

NTor2

NTor1

NSer3

NSer2

NSer1

NLan1

NBur4

NBur3

NBur2

NBur1

NAq2

NAq1

PaCh3

0.02

0.130.14

0.240.27

0.42

0.44

0.62

0.64

0.84

0.86

0.95

1.54

1.61

1.65

1.76

2.16

2.39

2.5

2.59

2.76

2.89

3.27

3.82

4.01

4.16

4.62

5.76

6.03

7.2

7.67

9.29

10.53

11.78

12.24

12.71

13.12

13.53

13.68

13.82

15.2

16.38

16.96

17.54

18.05

18.56

18.98

19.4

19.91

20.43

20.94

21.44

22.24

23.03

23.96

24.89

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

MID

DLE

0.275

23.395

5.45

PS108PS107

PS105PS101

PS100

PS95PS93PS92

LPS92

PS90LPS90PS85

LPS85PS83

PS82PS80PS79

PS70APS70BLPS70

PS68PS65PS60

LPS60

PS50LPS50PS42

P140

P135

P130

P120

LP120

P110

P102

P90

P75

P60

LP60LOCALP55A

P55BP53P50

P45AP45BLOCAL

LP45

P42P40

LP40

LOCAL

P32

P30P29

P28

P26

P25

P24

M122

M120

M110

M109

M108

M105

M104

M103M102

LM102

M101

M100M98M96M95

LOCAL

M94

LM94M92M90

LM90M89

LOCALM88

M86

LM86M84

LM84

M83

M82

M81A

M81B

M81C

M81DLM81A

LM81BLM81C

M80M79

M78

M77

M75

LM75

LOCALM72

LM72LOCALM71M70

LOCAL

M68LM68

M67LOCALLM67A

LM67B

M66M65

LM65

M63

M62

LOCAL

M60

M58

M57A

M57BM57CLM57ALM57BLM57CLOCAL

M56

M55

M54AM54B

M54CLM54ALM54C

M53LOCAL

M51

M50LOCAL

LOCAL

LM50

M48A

M48B

M48C

M48D

M46

M44

M42

M40

LM40

M35

M30

M25

M20

LM20A

LM20B

M15

LM15

M12

M10

M8

M5

LOCAL

LM5A

LM5B

LM5C

M4 (O90)

LM4A

M3A

M3B

LM3A

LM3B

LM3C

O85 (M2)

O83 (LM2)

O82

O80

O79

O78

O77

O75

PS108PS107

PS105PS101

PS100

PS95PS93PS92

LPS92

PS90LPS90PS85

LPS85PS83

PS82PS80PS79

PS70APS70BLPS70

PS68PS65PS60

LPS60

PS50LPS50PS42

P140

P135

P130

P120

LP120

P110

P102

P90

P75

P60

LP60LOCALP55A

P55BP53P50

P45AP45BLOCAL

LP45

P42P40

LP40

LOCAL

P32

P30P29

P28

P26

P25

P24

M122

M120

M110

M109

M108

M105

M104

M103M102

LM102

M101

M100M98M96M95

LOCAL

M94

LM94M92M90LM90M89

LOCALM88

M86

LM86M84

LM84

M83

M82

M81A

M81B

M81C

M81DLM81A

LM81BLM81C

M80M79

M78

M77

M75

LM75

LOCALM72

LM72LOCALM71M70

LOCAL

M68LM68

M67LOCAL

LM67A

LM67B

M66M65

LM65

M63

M62

LOCAL

M60

M58

M57A

M57BM57CLM57ALM57B

LM57CLOCAL

M56

M55

M54AM54B

M54CLM54ALM54C

M53LOCAL

M51

M50LOCAL

LOCAL

LM50

M48A

M48B

M48C

M48D

M46

M44

M42

M40

LM40

M35

M30

M25

M20

LM20A

LM20B

M15

LM15

M12

M10

M8

M5

LOCAL

LM5A

LM5B

LM5C

M4 (O90)

LM4

M3A

M3B

LM3A

LM3B

LM3C

O85 (M2)

O83 (LM2)

O82

O80

O79

O78

O77

O75

PS108PS107PS105 PS101PS100

PS95PS93PS92LPS92

PS90LPS90PS85

LPS85PS83

PS82PS80PS79

PS70APS70BLPS70

PS68PS65PS60

LPS60

PS50LPS50PS42

P140

P135

P130

P120

LP120

P110

P102

P90

P75

P60

LP60LOCALP55A

P55BP53P50

P45AP45BLOCAL

LP45

P42P40

LP40

LOCALP32P30P29

P28

P26

P25

P24

M122M120

M110

M109M108

M105

M104M103M102

LM102

M101

M100M98M96M95

LOCAL

M94

LM94M92M90

LM90M89

LOCALM88

M86

LM86M84

LM84

M83M82

M81A

M81B

M81C

M81DLM81A

LM81BLM81C

M80M79

M78

M77M75

LM75LOCALM72

LM72LOCALM71M70

LOCAL

M68LM68

M67LOCAL

LM67A

LM67B

M66M65

LM65

M63

M62

LOCAL

M60

M58

M57A

M57BM57CLM57ALM57B

LM57CLOCAL

M56

M55

M54AM54BM54CLM54ALM54C

M53LOCAL

M51

M50LOCAL

LOCAL

LM50

M48A

M48B

M48C

M48D

M46

M44

M42

M40

LM40

M35

M30

M25

M20

LM20A

LM20B

M15

LM15M12

M10

M8

M5

LOCAL

LM5A

LM5B

LM5C

M4 (O90)

LM4

M3A

M3B

LM3A

LM3B

LM3CO85 (M2)

O83 (LM2)

O82

O80

O79

O78

O77

O75

0.0290.0800.088

0.166

0.2180.2380.275

0.4060.4240.439

0.527

0.584

0.7420.7810.825

0.9050.9620.990

1.2351.2461.276

1.357

1.6071.634

1.698

1.898

2.024

2.286

2.511

2.634

2.729

2.924

3.019

3.305

3.510

3.6313.666

3.727

3.8193.861

3.933

4.0324.069

4.143

4.244

4.3794.395

4.503

4.596

4.666

4.747

4.812

4.951

5.059

5.147

5.258

5.365

5.440

5.667

5.840

5.909

6.096

6.338

6.4236.457

6.550

6.710

6.8016.8326.879

6.9506.994

7.086

7.201

7.265

7.3327.374

7.438

7.5427.566

7.667

7.8007.848

8.025

8.261

8.343

8.449

8.670

8.806

8.9028.929

9.095

9.1619.2029.229

9.326

9.542

9.618

9.7279.7819.826

10.40310.45110.49010.525

10.716

10.80010.850

10.99611.01711.037

11.155

11.509

11.575

11.665

11.812

11.925

12.046

12.173

12.321

12.82112.821

12.93012.93012.96812.96812.98912.999

13.06713.06713.12213.122

13.21513.215

13.40813.408

13.63713.637

13.70613.706

13.78213.782

13.85613.85613.88513.885

14.022

14.091

14.189

14.32014.378

14.539

14.617

14.897

15.098

15.379

15.657

15.818

16.018

16.537

16.802

17.258

17.425

17.713

17.831

18.132

18.612

18.768

18.852

18.991

19.07219.072

19.17119.171

19.392

19.552

19.832

20.170

20.291

20.550

20.670

20.891

21.041

21.161

21.362

22.126

22.998

23.072

23.253

23.594

23.854

24.215

24.346

24.700

24.870

Emiliania huxleyi (LO)

Pseudoemiliania lac. lacunosa (cir)

Ceratolithus cornulum

Globorotalia flexuosa

Discoaster newellii (HRO)

EA

RLY

MID

DLE

LATE

LATE

EA

RLY

MID

DLE

M9b

M10

M11

M12

M13b

M14

6.00

PL1

PL2

PL3

3.861

PL4 /PL5

PL6

2.361

M13a

LATE

C5n.2n

C4r.2r

C3Bn

C2An.3n

C2r.1r

C1n

C1r.1r

C1r.1n

C1r.2r

C2r.1n

C2An.1n

C2r.2r

C2An.1r

C2An.2r

C2An.2n

C2n

C1r.2n

C2Ar

C3n.1n

C3n.1r

C3n.2n

C3n.2r

C3n.3n

C3n.3r

C3n.4n

C3r

C3An.1n

C3An.1r

C3An.2n

C3Ar

C3Br.1rC3Br.1n

C3Br.2r

C3Br.2n

C4r.1n

C4r.1r

C4n.2n

C4n.1r

C4n.1n

C3Br.3r

C5r.3r

C5r.2n

C5r.1r

C5r.1n

C5r.2r

C4r.2r-1

C5r.2r-1

C1r.3r

C5n.1r

C5n.1n

C4Ar.3r

C4Ar.2n

C4Ar.1n

C4Ar.2r

C4Ar.1r

C4An

C5An.1r

C5An.2n

C5Ar.1r

C5Ar.1n

C5Ar.2r

C5Ar.2n

C5Ar.3r

C5AAn

C5AAr

C5ABn

C5ABr

C5ACn

C5ACr

C5ADn

C5ADr

C5Bn.1n

C5Bn.1r

C5Bn.2n

C5Br

C5Cn.1n

C5Cn.1r

C5Cn.2n

C5Cn.2r

C5Cn.3n

C5Cr

C5Dn

C5Dr.1r

C5Dr.1n

C5Dr.2r

C5En

C5Er

C6n

C6r

C6An.1n

C6An.1r

C6An.2n

C6Ar

C6AAn

C6AA1.1r

C6AAr.1n

C6AAr.2r

C6AAr.2n

C6Bn.1n

C6Bn.1r

C6AAr.3r

C6Bn.2n

C6Br

C6Cn.1n

C6Cn.1r

C6Cn.2n

C6Cn.2r

C6Cn.3n

C6Cr

C5An.1n

version 6.3/November 2018

4.315

12.048

M8

N10 M7

M6

16.258

M5a

M4b

19.66

M3

M2

CN10a

CNPL11

CNPL10

1.06

CNPL9

CNPL8

1.25

1.698

CNPL7

CNPL6

CNPL5

CNPL4

CNPL3

CNPL2

CNPL1

CNM20

CNM19

CNM18

CNM17

CNM16

CNM15

8.785

CNM14

CNM13

CNM12

CNM1111.575

CNM10

11.760

CNM9

12.534

CNM8

CNM7

15.578

CNM6

CNM5

CNM4

20.932

CNM3

22.126

CNM2

23.072

22.498

CN06

CN05

24.215

26.126

5.981

6.930

(6.497)

(6.058)

(14.337)

(14.697)

(15.498)

(16.058)

(21.402)

(22.658)

(24.365)

(24.800)

Sphaeroidinellopsis seminulina (4 ch.) (GoM) / Sphaeroidinellopsis seminulina (3 ch.) (GoM) (HRO)

2.588

3.600

11.625

13.82

15.97

C7n.1n

C7n.1r

C7n.2n

C7r

25

C7An

C7Ar

Bac

kman

et a

l. (2

012)

*A

gnin

i et a

l. (2

016)

*

Zone

BP Gulf of Mexico Neogene Chronostratigraphic Chart 2018

maxminAge

(Ma)

Geo

mag

netic

P

olar

ityC

hron

/S

ubch

ron

Epoch/Stage M

artin

i (19

71)*

Oka

da a

nd B

ukry

(1

980)

*

Zone Zone

GNATTS2018 0-25.1Ma

Hor

izon

s

PLANKTONICFORAMINIFERA

BENTHICFORAMINIFERA

CALCAREOUS NANNOFOSSILS Age(Ma)

Horizons

T-R

Cyc

lesEustatic Sea

Level Sequences

Age

(Ma)

after Hardenbol et al.,

(1998) Hor

izon

sEARTH'SORBITAL

ECCENTRICITY

LASKARSOLUTION

La2004

cycles: 100 & 405 k.y.

Gulf of Mexico Neogene Astronomically Tuned Time Scale 2018 with Ceara Rise-Western Equatorial Atlantic, ODP Leg 154, Shackelton and Crowhurst (1997) emended

Blo

w (1

969)

*

Zone

Wad

e et

al.

(201

1)*

Zone

3.019

(GoM)

(GoM) / Globorotalia margaritae (GoM) (HRO)

Buccella hannai (local)

Globorotalia crassaformis (LO)

“Discorbis B consistent 1”

“Discorbis B consistent 3”

Dentoglobigerina sellii

Sphenolithus tawfikii

R. amplus (>7) / R. pseudoumbilicus (LO Dec)

Sphenolithus disbelemnos (LIO)

Sphenolithus disbelemnos (LO)

CNM1

Liebusella extans (local) (re-entry)

Ciperoella ciperoensis /

Marginulina vaginata

Helicosphaera euphratis/H. carteri (cross over)

“Discorbis B consistent 2”

Discoaster signus (LO)

Calcidiscus premacintyrei (12.368)

Discoaster kugleri (LCO)

Discoaster kugleri (HCO)

Discoaster hamatus (>15) (HO) (ODP)

Discoaster pentabollii (9.377)

(5.759)

(5.457)

Ceratolithus acutus

(1.810)

Gephyrocapsa spp. (>4) (HO Ab)

CN14b

(24.456)

(25.047)

N4a

(24.759)

(24.275)

Paragloborotalia kugleri (LO)

Globigerinatella insueta s.s. (LO)

Trilobatus sicanus (LO)

Praeorbulina glomerosa s.s. (LO)

Orbulina suturalis (LO)

Globorotalia peripheroacuta (LO)

Globorotalia fohsi (LO)

Globorotalia praefohsi (LO)

Globorotalia robusta (LO)

Globoturborotalita nepenthes (”hooded”) (LO)

Neogloboquadrina acostaensis (LO)

Globorotalia plesiotumida (LO)

Pulleniatina primalis (LO)

5.48Sphaeroidinella dehiscens s.l. (LO)

(5.233)

Globorotalia miocenica (LO)

Globorturborotalita nepenthes (Leg 154)

Globigerinoidesella fistulosa

(17.893)

3.082

Globorotalia tumida (LO)

Globorotalia margaritae (Leg 154)

(2.968)

(2.659)

Globorotalia tosaensis

Emiliania huxleyi (LRO)

Globorotalia lenguaensis

Globorotalia lobata (LO)

Praeorbulina circularis (LO)

Paragloborotalia birnageae (LO)

Globigerinatella sp. (LO)

Globoquadrina dehiscens (LO)

O7

Trilobatus primordius (LCO) 24.30

NAq1

NTor1

NMe2

QLGM

23.030

1.806

5.333

*ALL SIX BIOZONATIONS ARE EMENDED FROM THE ORIGINAL PUBLICATIONS

Gephyrocapsa oceanica (>5.5)

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