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Paleogene යනු සෙනොසොයික් යුගයේ පළමු කාලපරිඡ්ඡේදය, එනම් වසර මිලියන 66-23 කට පෙර යුගය වේ.
| Paleogene | |
|---|---|
A map of Earth as it appeared during the late Paleogene (Oligocene Epoch, 33 Ma) | |
| Chronology | |
| Etymology | |
| Name formality | Formal |
| Alternate spelling(s) | Palaeogene, Palæogene |
| Usage information | |
| Celestial body | |
| Regional usage | Global () |
| Time scale(s) used | ICS Time Scale |
| Definition | |
| Chronological unit | |
| Stratigraphic unit | |
| Time span formality | Formal |
| Lower boundary definition | enriched layer associated with a major meteorite impact and subsequent . |
| Lower boundary GSSP | El Kef Section, , Tunisia 36°09′13″N 8°38′55″E / 36.1537°N 8.6486°E |
| GSSP ratified | 1991 |
| Upper boundary definition |
|
| Upper boundary GSSP | Lemme-Carrosio Section, , Italy 44°39′32″N 8°50′11″E / 44.6589°N 8.8364°E |
| GSSP ratified | 1996 |
| Atmospheric and climatic data | |
| Mean atmospheric O2 content | c. 26 vol % (130 % of modern) |
| Mean atmospheric CO2 content | c. 500 (2 times pre-industrial) |
| Mean surface temperature | c. 18 °C (4 °C above modern) |
ආශ්‍රිත
මූලාශ්‍ර
- Molina, Eustoquio; Alegret, Laia; Arenillas, Ignacio; José A. Arz; Gallala, Njoud; Hardenbol, Jan; Katharina von Salis; Steurbaut, Etienne; Vandenberghe, Noel; Dalila Zaghibib-Turki (2006). "The Global Boundary Stratotype Section and Point for the base of the Danian Stage (Paleocene, Paleogene, "Tertiary", Cenozoic) at El Kef, Tunisia - Original definition and revision". Episodes. 29 (4): 263–278. doi:10.18814/epiiugs/2006/v29i4/004.
- Steininger, Fritz F.; M. P. Aubry; W. A. Berggren; M. Biolzi; A. M. Borsetti; Julie E. Cartlidge; F. Cati; R. Corfield; R. Gelati; S. Iaccarino; C. Napoleone; F. Ottner; F. Rögl; R. Roetzel; S. Spezzaferri; F. Tateo; G. Villa; D. Zevenboom (1997). "The Global Stratotype Section and Point (GSSP) for the base of the Neogene" (PDF). Episodes. 20 (1): 23–28. doi:10.18814/epiiugs/1997/v20i1/005.
භාහිර සබැඳි
- Paleogene Microfossils: 180+ images of Foraminifera
- Paleogene (chronostratigraphy scale)
විකිපීඩියාව, විකි, සිංහල, පොත, පොත්, පුස්තකාලය, ලිපිය, කියවන්න, බාගන්න, නොමිලේ, නොමිලේ බාගන්න, mp3, වීඩියෝ, mp4, 3gp, jpg, jpeg, gif, png, පින්තූරය, සංගීතය, ගීතය, චිත්‍රපටය, පොත, ක්‍රීඩාව, ක්‍රීඩා., ජංගම දුරකථන, android, ios, apple, ජංගම දුරකථන, samsung, iphone, xiomi, xiaomi, redmi, honor, oppo, nokia, sonya, mi, පීසී, වෙබ්, පරිගණකය
Paleogene යන ස න ස ය ක ය ගය පළම ක ලපර ඡ ඡ දය එනම වසර ම ල යන 66 23 කට ප ර ය ගය ව Paleogene66 0 23 03 Ma PreYe Ye O S D C P T J K PgA map of Earth as it appeared during the late Paleogene Oligocene Epoch 33 Ma ChronologyEtymologyName formalityFormalAlternate spelling s Palaeogene PalaeogeneUsage informationCelestial bodyRegional usageGlobal Time scale s usedICS Time ScaleDefinitionChronological unitStratigraphic unitTime span formalityFormalLower boundary definitionenriched layer associated with a major meteorite impact and subsequent Lower boundary GSSPEl Kef Section Tunisia 36 09 13 N 8 38 55 E 36 1537 N 8 6486 E 36 1537 8 6486GSSP ratified1991Upper boundary definitionBase of magnetic polarity C6Cn 2n Near first appearance of the Upper boundary GSSPLemme Carrosio Section Italy 44 39 32 N 8 50 11 E 44 6589 N 8 8364 E 44 6589 8 8364GSSP ratified1996Atmospheric and climatic dataMean atmospheric O2 contentc 26 vol 130 of modern Mean atmospheric CO2 contentc 500 2 times pre industrial Mean surface temperaturec 18 C 4 C above modern ආශ ර තම ල ශ රMolina Eustoquio Alegret Laia Arenillas Ignacio Jose A Arz Gallala Njoud Hardenbol Jan Katharina von Salis Steurbaut Etienne Vandenberghe Noel Dalila Zaghibib Turki 2006 The Global Boundary Stratotype Section and Point for the base of the Danian Stage Paleocene Paleogene Tertiary Cenozoic at El Kef Tunisia Original definition and revision Episodes 29 4 263 278 doi 10 18814 epiiugs 2006 v29i4 004 Steininger Fritz F M P Aubry W A Berggren M Biolzi A M Borsetti Julie E Cartlidge F Cati R Corfield R Gelati S Iaccarino C Napoleone F Ottner F Rogl R Roetzel S Spezzaferri F Tateo G Villa D Zevenboom 1997 The Global Stratotype Section and Point GSSP for the base of the Neogene PDF Episodes 20 1 23 28 doi 10 18814 epiiugs 1997 v20i1 005 භ හ ර සබ ඳ Wikisource has original works on the topic Cenozoic Paleogene Paleogene හ සබ ඳ ම ධ ය ව ක ම ධ ය ක මන ස හ ඇත Paleogene Microfossils 180 images of Foraminifera Paleogene chronostratigraphy scale