10.1594/PANGAEA.761066
Ivanova, Elena V
Elena V
Ivanova
Abundances of shells of planktic foraminifera species in Upper Miocene sediments from the Indian Ocean and relative abundances of their groups
PANGAEA
1987
Event label
Latitude of event
Longitude of event
Elevation of event
Epoch
Planktic foraminifera zone
AGE
Age, minimum/young
Age, maximum/old
Globigerina pachyderma
Globigerina quinqueloba
Globigerina praebulloides
Globigerina bulloides
Foraminifera, planktic, temperate
Globigerinita humilis
Globorotalia miozea
Globorotalia continuosa
Globorotalia miocenica
Globorotalia pseudomiocenica
Globorotalia crassaformis
Globorotalia inflata
Globorotalia margaritae
Globorotalia hirsuta
Globorotalia scitula
Globigerina decoraperta
Globigerina nepenthes
Globigerina apertura
Foraminifera, planktic, subtropical
Globorotalia conglobatus
Globorotalia ruber
Globorotalia obliquus
Globoquadrina dehiscens
Globoquadrina baroemoenensis
Globoquadrina humerosa
Globoquadrina acostaensis
Globorotalia tumida
Globorotalia merotumida
Globorotalia plesiotumida
Orbulina universa
Orbulina suturalis
Sphaeroidinellopsis sphaeroides
Foraminifera, planktic, tropical
Globorotalia trilobus
Globorotalia sacculifer
Globoquadrina conglomerata
Globoquadrina venezuelana
Globoquadrina altispira
Globorotalia exilis
Globorotalia cultrata
Globorotalia menardii
Globorotalia limbata
Globorotalia multicamerata
Globigerinella aequilateralis
Globoquadrina hexagona
Candeina nitida
Pulleniatina primalis
Sphaeroidinellopsis subdehiscens
Sphaeroidinellopsis seminulina
Sphaeroidinellopsis paenedehiscens
Foraminifera, planktic, equatorial-tropical
Foraminifera, planktic
Thanatocoenosis type
Drilling/drill rig
Counting, foraminifera, planktic
Calculated
Leg22
Leg23
Leg24
Leg25
Leg26
Glomar Challenger
Archive of Ocean Data (ARCOD)
1972-02-08T00:00:00/1972-10-25T00:00:00
en
Supplementary Dataset
1014 data points
text/tab-separated-values
Creative Commons Attribution 3.0 Unported
Locations of climatic zones at four time intervals during Miocene are reconstructed from ranges of planktic foraminifera shells in Miocene deposits of the Indian Ocean. Gradual cooling took place in the southern Indian Ocean during Miocene as a result of growth of the Antarctic glacial shield accompanied by migration of climatic zones toward the equator. Two warmer intervals (end of Early Miocene and Late Miocene) and two cooler periods (beginning of Early Miocene and end of Middle Miocene) are identified in the northern Indian Ocean. Climate of the Indian Ocean was warmer than at present throughout Miocene and climatic zones were located farther to the south than their present positions.
Supplement to: Ivanova, Elena V (1987): Miocene climatic zonation of the Indian Ocean. Translated from Okeanologiya, 1987, 27(6), 951-957, Oceanology, 27(6), 719-724
39.3692
112.4737
-36.5042
9.0292
Indian Ocean//RIDGE
Indian Ocean/Arabian Sea/RIDGE
Indian Ocean//PLATEAU
Indian Ocean//BASIN