New Zealand Eocene and Oligocene Benthic Foraminifera of the Family Notorotaliidae PDF Download
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Author: N. de B. Hornibrook
Publisher:
ISBN:
Category : Foraminifera, Fossil
Languages : en
Pages : 56
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Author: N. de B. Hornibrook
Publisher:
ISBN:
Category : Foraminifera, Fossil
Languages : en
Pages : 56
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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 58
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Author: Johannes S. Pignatti
Publisher: Založba ZRC
ISBN: 9616242121
Category : Science
Languages : en
Pages : 304
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Book Description
Seznam literature o paleogenskih velikih foraminiferah, ki ga je v glavnem sestavil Johannes S. Pignatti, je zelo izčrpen seznam referenc o stratigrafiji, paleoekologiji, morfologiji in taksonomiji paleogenskih velikih foraminifer. Tovrstna literatura seže prav na začetek geološke znanosti in je mnogokrat raztresena v težko dostopnih in manj znanih publikacijah. Sedaj je ta velika količina podatkov, ki bi sicer ostali znani samo redkim specialistom, postala dostopna širši javnosti. Predstavlja nepogrešljivo orodje za vsakogar, ki se ukvarja s katerimkoli področjem geologije in paleontologije paleogena. Kamnine s paleogenskimi velikimi foraminiferami tvorijo marsikje pomembne kolektorje za nafto ali pa so v njih nahajališča drugih gospodarsko pomembnih surovin. Pričujoči seznam bo tako dobrodošel ne le akademskim raziskovalcem, temveč tudi tistim, ki se v praksi ukvarjajo z izkoriščanjem naravnih bogastev.
Author: Bruce William Hayward
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 280
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Author: Laura Cotton
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Mass extinctions are important events for the evolution of life on Earth but often the mechanisms behind them are poorly understood. The Eocene - Oligocene Transition (EOT) had a profound and lasting influence on global climate and, though not one of the "big 5" mass extinction events, widespread extinctions in many fossil groups have been recognised. Larger benthic foraminifera (LBF), one of the most conspicuous and widespread fossil groups during the Eocene, are known to have experienced a rapid global overturning during the EOT, including the extinction of long-ranging families such as the Discocyclinidae, Orbitoclypeidae, Pellatispiridae and a number of species in the Nummulitidae. However, detailed records through the transition are rare, and few complete sections are known; the timing and causes of extinctions therefore remain uncertain. Extensive field samples from the southern Tanzanian coastal region along with Tanzania Drilling Project (TDP) samples are used to give an overview of Eocene to Miocene LBF and to produce high resolution stratigraphic records of LBF events across the EOT. Two further important EOT sites, Fuente Caldera, Spain and Melinau Gorge, Sarawak, both with unresolved questions relating to LBF at the EOT were studied for comparison. The field samples combined with the TDP data cover an area of approximately 200 km from Kilwa to the Mozambique border. Initial comparisons with Tethyan and Indo-Pacific faunas show perhaps an intermediate assemblage in the Eocene and some similarities with the Indo-Pacific in the Miocene. However in both epochs there are features distinctive of an East African or western Indo-Pacific fauna. Additionally, this work identifies many previously unreported localities and provides a solid basis for future work. Three of the TDP sites span the EOT and contain abundant LBF. Extensive calcareous micro-, nannofossil and stable isotope studies of these cores allow the LBF stratigraphy to be tied to global stratigraphy. These records show that the LBF extinction event occurs close to the Eocene/Oligocene boundary (EOB), as defined by the extinction of the planktonic foraminiferal Family Hantkeninidae, rather than at the prominent oxygen isotope excursion in the early Oligocene that signifies maximum ice growth and global sea-level fall. New bulk isotope data from the Melinau Limestone of Sarawak further support this conclusion. In Fuente Caldera, where the extinction level was previously reported to be within the Oligocene, extensive reworking means that an EOB extinction is also likely at this site. This correlation raises new questions about the cause of the extinctions and has important implications for global larger benthic foraminiferal stratigraphy.
Author: Daniel Lee Frederick
Publisher:
ISBN:
Category : Eocene-Oligocene boundary
Languages : en
Pages : 680
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Author: Katica Drobne
Publisher: Založba ZRC
ISBN:
Category : Foraminifera, Fossil
Languages : en
Pages : 304
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Book Description
Seznam literature o paleogenskih velikih foraminiferah, ki ga je v glavnem sestavil Johannes S. Pignatti, je zelo izčrpen seznam referenc o stratigrafiji, paleoekologiji, morfologiji in taksonomiji paleogenskih velikih foraminifer. Tovrstna literatura seže prav na začetek geološke znanosti in je mnogokrat raztresena v težko dostopnih in manj znanih publikacijah. Sedaj je ta velika količina podatkov, ki bi sicer ostali znani samo redkim specialistom, postala dostopna širši javnosti. Predstavlja nepogrešljivo orodje za vsakogar, ki se ukvarja s katerimkoli področjem geologije in paleontologije paleogena. Kamnine s paleogenskimi velikimi foraminiferami tvorijo marsikje pomembne kolektorje za nafto ali pa so v njih nahajališča drugih gospodarsko pomembnih surovin. Pričujoči seznam bo tako dobrodošel ne le akademskim raziskovalcem, temveč tudi tistim, ki se v praksi ukvarjajo z izkoriščanjem naravnih bogastev.
Author: Thorpe-Bowker Staff
Publisher:
ISBN: 9781864520552
Category :
Languages : en
Pages : 356
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Book Description
Directory containing updated bibliographic information on all in-print New Zealand books. 33nd edition of an annual publication. The 12,500 book entries are listed by title, and there is an index to authors. Also provided are details of 975 publishers and distributors, and local agents of overseas publishers. The book trade directory includes: contacts for trade organisations, booksellers, public libraries and specialised suppliers; NZ literary awards and past winners; and sources of financial assistance for writers and publishers.
Author: R. C. Tjalsma
Publisher:
ISBN:
Category : Foraminifera
Languages : en
Pages : 120
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Author: New Zealand Oceanographic Institute
Publisher:
ISBN:
Category : Marine biology
Languages : en
Pages : 502
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