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Middle Miocene - Wikipedia

The Middle Miocene is a sub-epoch of the Miocene Epoch made up of two stages: the Langhian and Serravallian stages. The Middle Miocene is preceded by the Early Miocene.. The sub-epoch lasted from 15.97 ± 0.05 Ma to 11.608 ± 0.005 Ma (million years ago). During this period, a sharp drop in global temperatures took place.

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Miocene Epoch | Geology Page

These subdivisions within the Miocene are defined by the relative abundance of different species of calcareous nanofossils (calcite platelets shed by brown single-celled algae) and foraminifera (single-celled protists with diagnostic shells). Two subdivisions each form the Early, Middle and Late Miocene. Regionally, other systems are used.

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(PDF) A new Early/Middle Miocene mammal locality from ...

also confirmed by the presence of a micromammalian 512 C. R. Acad. Sci. Paris, Sciences de la terre et des plan&tes / Earth & Planetary Sciences 1997. 325,51 1-516 A new Early/Middle Miocene mammal locality from Macedonia, Greece fauna found at the bottom of the overlying Conia Forma- ing quite rare, one of us (G.D.K.) identified the material tion.

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Early and Middle Miocene stable isotopes: Implications for ...

Read "Early and Middle Miocene stable isotopes: Implications for Deepwater circulation and climate, Paleoceanography" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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Early-Middle Miocene palynology and dinoflagellate cysts ...

Early-Middle Miocene palynology and dinoflagellate cysts, Gharandal Group, Gulf of Suez, Egypt. 43 Pages. Early-Middle Miocene palynology and dinoflagellate cysts, Gharandal Group, Gulf of Suez, Egypt. Salah El Beialy. Ali Soliman. Martin Head. Werner Piller. Salah El Beialy. Ali Soliman.

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Subsurface Mapping of the Early-Middle Miocene Retrench ...

The upper and middle units which are of Early Miocene age, comprise the Golconda Marl and Retrench Members, respectively. According to Persad (2011), this Retrench turbidite material was deposited in a series of west-southwest to east-northeast foreland uplifts and foredeep basins, formed from the late Oligocene to early Miocene.

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Dynamic Antarctic ice sheet during the early to mid-Miocene

We simulate large-scale variability of the early to mid-Miocene Antarctic ice sheet of 30–36 msl. Using the output from an isotope-enabled GCM and ice sheet model, our simulated δ 18 O sw signal is 0.52–0.66‰. The largest δ 18 O shift during the Miocene was the 0.88 ±0.04‰ increase across the middle Miocene climate transition .

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Anatidae - Wikipedia

Matanas (Bathans Early/Middle Miocene of Otago, New Zealand) Anatidae gen. et sp. indet. MNZ S42797 (Bathans Early/Middle Miocene of Otago, New Zealand) "Oxyura" doksana (Early Miocene of Dolnice, Czech Republic) "Aythya" chauvirae (Middle Miocene of Sansan, France and Credinţa, Romania) – 2 species;

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Latest early-earliest middle Miocene deep-sea molluscs in ...

Apr 30, 2004 · During the latest early-earliest middle Miocene, the deep-sea species migrated from the Pacific side of central Honshu to the Japan Sea through deep-sea pathways. Introduction. In the Oligocene, the "Japanese Islands" were located at the eastern margin of the Asian Continent.

Miocene - Wikipedia
Early to Middle Miocene monsoon climate in Australia

During the Early to Middle Miocene, a period of well-documented global warmth (e.g., Wan et al., 2009; You et al., 2009), Australia was ~8° south of its current position. Nevertheless, sedi-mentological and paleontological data suggest that warm, humid, and perhaps seasonal envi-ronments existed in central and north Australia

  • Published in: Geology · 2011Authors: Nicholas Herold · Matthew Huber · David R Greenwood · Ralph Muller · Maria SetonAffiliation: University of Sydney · Purdue University · Brandon UniversityGet Price
(PDF) Early and Middle Miocene dinoflagellate cyst ...

PDF | Marine organic-walled dinoflagellate cysts have been studied from the Early and Middle Miocene of the Central Paratethys in Austria (Vienna and eastern Alpine Foreland basins) and Hungary ...

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Early to Middle Miocene Ostracods from the Yatsuo Group ...

This study investigated early to middle Miocene ostracods from the Yatsuo Group (ca. 17–15 Ma), located on the Japan Sea coast of central Japan. Ostracods from this area consist of 100 species in 60 genera, with two assemblages defined by Q-mode cluster analysis.

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Changing seas in the Early–Middle Miocene of Central ...

The Early–Middle Miocene transition is an enigmatic interval where both sea-level change and tectonic activity are suggested to have contributed to the palaeogeographic and palaeoenvironmental evolu-

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Miocene Epoch | Plants, Animals, & Fossils | Britannica

Miocene Epoch, earliest major worldwide division of the Neogene Period (23 million years to 2.6 million years ago) that extended from 23 million to 5.3 million years ago. It is often divided into the Early Miocene Epoch (23 million to 16 million years ago), the Middle Miocene Epoch (16 million to 11.6 million years ago), and the Late Miocene Epoch (11.6 million to 5.3 million years ago).

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Early to Middle Miocene climate in the Atacama Desert of ...

Early to mid-Miocene paleosols near Calama indicate oscillating humid to arid climates. • Precipitation O isotope values diverge east and west of the Andes during the Miocene. • The region around Calama underwent significant aridification after ca. 10 Ma.

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Climate of the Miocene Period | Sciencing

The Miocene is a geological epoch that spanned from roughly 24 million years ago to about 5.3 million years ago (after the Oligocene epoch and before the Pliocene period). During this period much of the continental Earth formed. Global warming occurred during the middle Miocene.

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Early middle Miocene tectonic uplift of the northwestern ...

Jun 19, 2015 · Early middle Miocene tectonic uplift of the northwestern part of the Qinghai–Tibetan Plateau evidenced by geochemical and mineralogical records in the western Tarim Basin

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Early to middle Miocene foraminifera from the deep-sea ...

The Early-Middle Miocene represents an important time in Earth's history as it was a transitional phase between the Paleogene climatic high and the 'icehouse' climate of the Neo-gene. The Early Miocene witnessed a series of fluctuating Ant-arctic glacial and interglacial episodes which culminated in the warmest period of the Neogene ...

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Synapsida: Age of Mammals: The Miocene (Pt 1)

While temperatures may have cooled a little as the Early Miocene progressed, they rose again during the Mid Miocene, leading to the two-to-three million year long Middle Miocene Climactic Optimum, with temperatures in southern Europe estimated to have reached a decidedly subtropical 22°C (72°F), accompanied by a heavy annual rainfall. Indeed ...

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