Search Results - "Ian J. Glasspool"

Phanerozoic concentrations of atmospheric oxygen reconstructed from sedimentary charcoal by Glasspool, Ian J, Scott, Andrew C

“…Variations of the Earth's atmospheric oxygen concentration (pO2) are thought to be closely tied to the evolution of life, with strong feedbacks between uni-…”
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The Diversification of Paleozoic Fire Systems and Fluctuations in Atmospheric Oxygen Concentration by Scott, Andrew C., Glasspool, Ian J.

“…By comparing Silurian through end Permian [≈250 million years (Myr)] charcoal abundance with contemporaneous macroecological changes in vegetation and climate…”
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The impact of fire on the Late Paleozoic Earth system by Glasspool, Ian J, Scott, Andrew C, Waltham, David, Pronina, Natalia, Shao, Longyi

“…Analyses of bulk petrographic data indicate that during the Late Paleozoic wildfires were more prevalent than at present. We propose that the development of…”
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Extreme ecosystem instability suppressed tropical dinosaur dominance for 30 million years by Whiteside, Jessica H, Sofie Lindström, Randall B. Irmis, Ian J. Glasspool, Morgan F. Schaller, Maria Dunlavey, Sterling J. Nesbitt, Nathan D. Smith, Alan H. Turner

“…A major unresolved aspect of the rise of dinosaurs is why early dinosaurs and their relatives were rare and species-poor at low paleolatitudes throughout the…”
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Increased fire activity at the Triassic/Jurassic boundary in Greenland due to climate-driven floral change by McElwain, Jennifer C, Rein, Guillermo, Jervis, Freddy X, Mander, Luke, Hesselbo, Stephen P, Belcher, Claire M, Glasspool, Ian J, Haworth, Matthew

“…One of the largest mass extinctions of the past 600 million years (Myr) occurred 200 Myr ago, at the Triassic/Jurassic boundary. The major floral and faunal…”
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Geology and taphonomy of a unique tyrannosaurid bonebed from the upper Campanian Kaiparowits Formation of southern Utah: implications for tyrannosaurid gregariousness by Titus, Alan L, Knoll, Katja, Sertich, Joseph J W, Yamamura, Daigo, Suarez, Celina A, Glasspool, Ian J, Ginouves, Jonathan E, Lukacic, Abigail K, Roberts, Eric M

“…Tyrannosaurids are hypothesized to be gregarious, possibly parasocial carnivores engaging in cooperative hunting and extended parental care. A tyrannosaurid…”
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Increased terrestrial methane cycling at the Palaeocene-Eocene thermal maximum by Handley, Luke, Collinson, Margaret E, Scott, Andrew C, Grassineau, Nathalie V, Pancost, Richard D, Steart, David S, Hooker, Jerry J, Glasspool, Ian J

“…The Palaeocene-Eocene thermal maximum (PETM), a period of intense, global warming about 55 million years ago, has been attributed to a rapid rise in greenhouse…”
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Radiation and extinction patterns in Permian floras from north China as indicators for environmental and climate change by Stevens, Liadan G, Hilton, Jason, Bond, David P. G, Glasspool, J, Jardine, Phillip E

“…Permian continental sequences from North China contain previously unrecognized episodes of plant radiation and elevated extinction. The earliest extinction, in…”
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A baptism by fire; fossil charcoal from eastern Euramerica reveals the earliest (Homerian) terrestrial biota evolved in a flammable world by Glasspool, Ian J, Gastaldo, Robert A

“…Charred fossils from the Wenlock (Wales) and Ludlow (Poland) are evidence of the earliest wildfires to date, showing that this phenomenon was contemporaneous…”
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Observations and experiments on the origin and formation of inertinite group macerals by Scott, Andrew C., Glasspool, Ian J.

“…The inertinite group macerals include fusinite, semifusinite, inertodetrinite, macrinite, micrinite and, funginite and secretinite, which together replace…”
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Sedimentology and sequence stratigraphy of the Lopingian (Late Permian) coal measures in southwestern China by Wang, Hao, Shao, Longyi, Hao, Liming, Zhang, Pengfei, Glasspool, Ian J., Wheeley, James R., Wignall, Paul B., Yi, Tongsheng, Zhang, Mingquan, Hilton, Jason

“…The Lopingian coal measures of southwestern China were deposited within a range of facies associations spanning a spectrum of settings from fluvial to marine…”
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A revision of the Pennsylvanian marattialean fern Lobatopteris vestita auct. and related species by Wittry, Jack, Glasspool, Ian J., Béthoux, Olivier, Koll, Rebecca, Cleal, Christopher J.

“…Amongst the species referred to the genus Lobatopteris Wagner, 1959 , three are especially abundant: Lobatopteris micromiltonii (Bertrand ex Corsin) Wagner,…”
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Pollen cones and associated leaves from the Lower Cretaceous of China and a re-evaluation of Mesozoic male cycad cones by Deng, Shenghui, Hilton, Jason, Glasspool, Ian J., Dejax, Jean

“…Male cones of Ixostrobus hailarensis from Lower Cretaceous strata of the Hailar region of north-east China were re-examined for features of their cuticle and…”
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Evidence of multiple late Bashkirian to early Moscovian (Pennsylvanian) fire events preserved in contemporaneous cave fills by Scott, Andrew C., Kenig, Fabien, Plotnick, Roy E., Glasspool, Ian J., Chaloner, William G., Eble, Cortland F.

“…During a low sea level stand and wet climate phase at the end of the Mississippian, Lower Palaeozoic limestones at the northern edge of the Illinois Basin were…”
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'Pollen cones and associated leaves from the Lower Cretaceous of China and a re-evaluation of Mesozoic male cycad cones': designation of a type and validation of Schimperstrobus gen. nov by Deng, Shenghui, Hilton, Jason, Glasspool, Ian J., Dejax, Jean

“…The genus name Schimperstrobus was first used by Deng et al. (2014) but is invalid as it was introduced without the designation of a type. We here select…”
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Pennsylvanian paleokarst and cave fills from northern Illinois, USA: A window into late Carboniferous environments and landscapes by Plotnick, Roy E, Kenig, Fabien, Scott, Andrew C, Glasspool, Ian J, Eble, Cortland F, Lang, William J

“…A new fault-associated paleokarst and cave fill has been discovered in north-central Illinois, emplaced in Ordovician limestones. The paleokarst preserves many…”
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Hypautochthonous–allochthonous coal deposition in the Permian, South African, Witbank Basin No. 2 seam; a combined approach using sedimentology, coal petrology and palaeontology by Glasspool, Ian J.

“…A suite of techniques, including coal petrology, micropalynology, mesofossil analysis, and macroscopic appearance has been used to examine the Early Permian,…”
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THROUGH FIRE, AND THROUGH WATER, AN ABUNDANCE OF MID-DEVONIAN CHARCOAL by GLASSPOOL, IAN J., GASTALDO, ROBERT A.

“…Evidence of fire in the Middle Devonian remains globally scarce. Charcoalified mesofossils recovered from the Emsian–Eifelian Trout Valley and St. Froid Lake…”
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Foliar physiognomy in Cathaysian gigantopterids and the potential to track Palaeozoic climates using an extinct plant group by Glasspool, Ian J, Hilton, Jason, Collinson, Margaret E, Wang, Shi-Jun, Li-Cheng-Sen

“…Foliage of Late Palaeozoic Cathaysian gigantopterids encompasses a large diversity of forms, both inter- and intraspecific, and includes many with striking…”
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Cretaceous wildfires and their impact on the Earth system by Brown, Sarah A.E., Scott, Andrew C., Glasspool, Ian J., Collinson, Margaret E.

“…A comprehensive compilation of literature on global Cretaceous charcoal occurrences shows that from the Valanginian on throughout the Cretaceous, terrestrial…”
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