Search Results - "O’Keefe, J. M. K."
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Climate Conundrum: A Wet or Dry European and Northern African Climate During the Middle Miocene
Published in Geophysical research letters (16-11-2024)“…End of 21st‐century hydroclimate projections suggest an expansion of subtropical dry zones, with Mediterranean and Sahel regions becoming much drier. However,…”
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Reconstructing Terrestrial Paleoclimates: A Comparison of the Co‐Existence Approach, Bayesian and Probability Reconstruction Techniques Using the UK Neogene
Published in Paleoceanography and paleoclimatology (01-02-2022)“…Neogene sediments in the UK are ideally situated for understanding the early development of hydrological dynamics and atmospheric circulation that led to the…”
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Geochemistry and petrology of selected coal samples from Sumatra, Kalimantan, Sulawesi, and Papua, Indonesia
Published in International journal of coal geology (31-01-2009)“…Indonesia has become the world's largest exporter of thermal coal and is a major supplier to the Asian coal market, particularly as the People's Republic of…”
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A Comparison of HF-Based and Non-HF-Based Palynology Processing Techniques in Clay-Rich Lignites from the Claiborne Group, Upper Mississippi Embayment, United States
Published in Palynology (01-06-2012)“…Organic and clay-rich lignite samples from the upper Mississippi Embayment, United States, are known from organic petrography to be extremely palynomorph-rich;…”
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Paradise (and Herrin) lost: Marginal depositional settings of the Herrin and Paradise coals, Western Kentucky coalfield
Published in International journal of coal geology (05-08-2008)“…This is the fourth installment in a series of papers on the Asturian (Westphalian D) disrupted mire margins, termed the “ragged edge” in previous papers, and…”
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Comment on “The Volyn biota (Ukraine) – indications of 1.5 Gyr old eukaryotes in 3D preservation, a spotlight on the `boring billion' ” by Franz et al. (2023)
Published in Biogeosciences (09-04-2024)“…Franz et al. (2023) report a diverse and three-dimensionally preserved suite of mid-Proterozoic microfossils from miarolitic cavities within the granitic Volyn…”
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Development of a petrographic classification system for organic particles affected by self-heating in coal waste. (An ICCP Classification System, Self-heating Working Group – Commission III)
Published in International journal of coal geology (01-03-2020)“…Self-heating of coal waste is a major problem in the leading coal-producing and consuming countries, independent of the recent or past coal exploitation…”
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Miocene Climatic Optimum fungal record and plant-based CREST climatic reconstruction from southern McMurdo Sound, Antarctica
Published in Journal of micropalaeontology (18-12-2023)“…Deep-time palynological studies are necessary to evaluate plant and fungal distribution under warmer-than-present scenarios such as those of the Middle…”
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Life and death in the Chicxulub impact crater: a record of the Paleocene–Eocene Thermal Maximum
Published in Climate of the past (19-10-2020)“…Thermal stress on the biosphere during the extreme warmth of the Paleocene–Eocene Thermal Maximum (PETM) was most severe at low latitudes, with sea surface…”
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